⚠ The Partner Owns the BuildingsHigh threat

Sandisk (SNDK) — threat to the moat

Every risk that attaches to those eight buildings is Sandisk's exposure and Kioxia's asset — and if the relationship ends, the buildings do not move.

1. ReportedEvery one of the eight fabs belongs to Kioxia, and Sandisk's own filing says the ventures lease them. That is the asymmetry the equal-partnership framing obscures.
   Sandisk Corporation, Form 10-K FY2026 — Note 10, Related Parties and Related Commitments and Contingencies, and the related Item 1 and Item 7 disclosure on Flash Ventures. Sandisk procures all of its flash-based memory wafers from Flash Partners Ltd., Flash Alliance Ltd. and Flash Forward Ltd.; it holds a 49.9% ownership interest and Kioxia 50.1% in each. Wafers are manufactured by Kioxia at its wafer fabrication facilities in Japan using equipment individually owned or leased by each Flash Ventures entity; each entity purchases wafers from Kioxia at cost and resells them to Sandisk and Kioxia at cost plus a markup, with each partner generally entitled to 50% of output. The facilities are Y3 (Flash Partners, 2004), Y4 (Flash Alliance, 2006), Y5 (Flash Forward, 2010), New Y2 (production from 2016), Y6 (2018), K1 at Kitakami (2019), Y7 (2022) and K2 at Kitakami, whose output began in the year ended 3 July 2026. Sandisk is obligated to pay for variable costs based on a rolling three-month forecast, and purchase orders placed with Flash Ventures for up to three months are binding and cannot be cancelled; it is obligated to pay for half of Flash Ventures' fixed costs regardless of the output it chooses to purchase, and is committed to fund 49.9% to 50.0% of each entity's capital investments where operating cash flow is insufficient. Flash Ventures has historically operated at approximately 100% of manufacturing capacity; during 2026, 2025 and 2024 Sandisk temporarily reduced its utilisation and incurred costs of $11 million, $75 million and $249 million respectively, recorded as charges to cost of revenue. It participates in common R&D activities with Kioxia and is contractually committed to a minimum funding level, with R&D commitments due for 2027 of $138 million. Sandisk accounts for its ownership under the equity method; the entities are VIEs and Sandisk determined it is not the primary beneficiary of any of them, concluding on its 49.9% ownership, the voting structure and the manner in which day-to-day operations are conducted that it lacked the power to direct most of the activities that most significantly impact economic performance. Its 49.9% interest in the earnings of the entities is recognised one quarter in arrears in Other income (expense), net. Summarised financial information for the ventures: net sales of $2,775 million, $2,315 million and $2,252 million and net losses of $85 million, $63 million and $9 million for 2026, 2025 and 2024, with a gross loss of $93 million in 2026; total assets $7,320 million and total net equity of investees $1,025 million. Notes receivable and investments in Flash Ventures totalled $679 million. Sandisk made net payments to Flash Ventures of $3.6 billion, $3.4 billion and $3.4 billion in 2026, 2025 and 2024 and received distributions of $107 million and $176 million in 2026 and 2025. Maximum estimable loss exposure is $2,897 million: notes receivable $577 million, equity investments $102 million, operating lease guarantees $923 million and inventory and prepayments $1,295 million. Flash Ventures sells to and leases back a portion of its tools from a consortium of financial institutions; Sandisk guarantees half of all outstanding obligations under each lease agreement, totalling JPY149.0 billion or $923 million, in annual guarantee instalments of $378 million in 2027, $245 million in 2028, $126 million in 2029, $96 million in 2030 and $78 million in 2031. Prepayments toward Sandisk's share of future building depreciation of $840 million remain to be credited against future wafer purchases, with a further $402 million committed through fiscal 2035. On 29 January 2026 the FAL and FPL Second Commitment and Extension Agreements extended Flash Alliance and Flash Partners from 31 December 2029 to 31 December 2034, so that all three ventures co-terminate on that date; an Agreement to Enhance Collaboration commits Sandisk Technologies to pay Kioxia $1.2 billion over 2026 through 2029 in consideration of Kioxia's manufacturing services and the continued availability of supply, amortised straight-line into cost of revenue. On expiry each entity commences a wind-up and is dissolved, with net proceeds distributed in kind or cash pro rata. Flash Ventures-related commitments total $6,559 million: $2,627 million in 2027, $2,577 million in 2028-2029, $1,318 million in 2030-2031 and $37 million beyond. — FY2026 · publ. 2026-08-17 · source ↗
2. ReportedSandisk's properties table lists R&D sites, sales offices and an assembly and test plant at Penang — and no wafer fab anywhere. It matters in three ways an investor can act on.
   Sandisk Corporation, Form 10-K for the fiscal year ended 3 July 2026 (SEC, CIK 2023554) — Item 1, Business, and Item 2, Properties. Sandisk describes itself as a leading global semiconductor memory company with more than 30 years of innovation in NAND flash, a vertically integrated solutions provider owning chip-level design and IP, front- and back-end manufacturing and systems engineering. Products address three end markets: Datacenter (formerly Cloud), Edge (formerly Client) and Consumer. It holds approximately 8,000 granted patents and approximately 3,000 pending patent applications worldwide, and states that although these have considerable value, successful manufacturing and marketing also depend upon the technical and managerial competence of its staff, so the patents cannot alone ensure its future success; it names non-patented intellectual property, particularly some of its process technology, as an important factor, protected by non-disclosure agreements, contractual provisions and internal safeguards, and discloses the risk that competitors may obtain and use such information and that foreign jurisdictions may give confidential information less protection. It relies on technology licensed from other parties and believes it has adequate cross-licences to compete. Competitors named are Kioxia, Micron Technology, Samsung Electronics, SK Hynix, Yangtze Memory Technologies and numerous smaller companies. All flash-based memory is obtained from the joint ventures with Kioxia; controllers are primarily designed in-house and manufactured by third-party foundries or bought from third parties. Assembly and test comprise in-house facilities at Penang, Malaysia, contract manufacturers, and the SDSS facility owned 20% by Sandisk and 80% by JCET Management. Sandisk and Kioxia operate three ventures — Flash Partners, Flash Alliance and Flash Forward — across eight flash manufacturing facilities in Japan, six at Yokkaichi and two at Kitakami; Flash Ventures accounts for approximately 80% of the total manufacturing capacity in the facilities owned by Kioxia. International sales represented 82%, 80% and 86% of net revenue for 2026, 2025 and 2024. For 2026, 2025 and 2024, no customer accounted for more than 10% of net revenue. Sandisk provides distributors and retailers with limited price protection and reimburses certain marketing expenditures. As of July 2026 the global team was approximately 11,100 employees across 33 countries — 74% in Asia Pacific, 19% in the Americas and 7% in Europe, the Middle East and Africa. Principal facilities include Penang, Malaysia (owned, 1,177,000 sq ft, flash R&D and manufacturing of media), Milpitas, California (leased, 578,000 sq ft), Kfar Saba, Israel (owned, 204,000 sq ft) and Bangalore, India (108,000 sq ft); all flash-based memory wafers are manufactured by the Flash Ventures in purpose-built wafer fabrication facilities that the Flash Ventures lease at Yokkaichi and Kitakami. Item 3 reports no material legal proceedings other than ordinary routine litigation. — FY2026 · publ. 2026-08-17 · source ↗
3. ReportedFinancially, Sandisk guarantees half of Flash Ventures' equipment lease obligations, $923 million at the July 2026 rate, secured against tools inside somebody else's plant. Strategically, if the relationship ever ends, the buildings do not move.
   Sandisk Corporation, Form 10-K FY2026 — Note 10, Related Parties and Related Commitments and Contingencies, and the related Item 1 and Item 7 disclosure on Flash Ventures. Sandisk procures all of its flash-based memory wafers from Flash Partners Ltd., Flash Alliance Ltd. and Flash Forward Ltd.; it holds a 49.9% ownership interest and Kioxia 50.1% in each. Wafers are manufactured by Kioxia at its wafer fabrication facilities in Japan using equipment individually owned or leased by each Flash Ventures entity; each entity purchases wafers from Kioxia at cost and resells them to Sandisk and Kioxia at cost plus a markup, with each partner generally entitled to 50% of output. The facilities are Y3 (Flash Partners, 2004), Y4 (Flash Alliance, 2006), Y5 (Flash Forward, 2010), New Y2 (production from 2016), Y6 (2018), K1 at Kitakami (2019), Y7 (2022) and K2 at Kitakami, whose output began in the year ended 3 July 2026. Sandisk is obligated to pay for variable costs based on a rolling three-month forecast, and purchase orders placed with Flash Ventures for up to three months are binding and cannot be cancelled; it is obligated to pay for half of Flash Ventures' fixed costs regardless of the output it chooses to purchase, and is committed to fund 49.9% to 50.0% of each entity's capital investments where operating cash flow is insufficient. Flash Ventures has historically operated at approximately 100% of manufacturing capacity; during 2026, 2025 and 2024 Sandisk temporarily reduced its utilisation and incurred costs of $11 million, $75 million and $249 million respectively, recorded as charges to cost of revenue. It participates in common R&D activities with Kioxia and is contractually committed to a minimum funding level, with R&D commitments due for 2027 of $138 million. Sandisk accounts for its ownership under the equity method; the entities are VIEs and Sandisk determined it is not the primary beneficiary of any of them, concluding on its 49.9% ownership, the voting structure and the manner in which day-to-day operations are conducted that it lacked the power to direct most of the activities that most significantly impact economic performance. Its 49.9% interest in the earnings of the entities is recognised one quarter in arrears in Other income (expense), net. Summarised financial information for the ventures: net sales of $2,775 million, $2,315 million and $2,252 million and net losses of $85 million, $63 million and $9 million for 2026, 2025 and 2024, with a gross loss of $93 million in 2026; total assets $7,320 million and total net equity of investees $1,025 million. Notes receivable and investments in Flash Ventures totalled $679 million. Sandisk made net payments to Flash Ventures of $3.6 billion, $3.4 billion and $3.4 billion in 2026, 2025 and 2024 and received distributions of $107 million and $176 million in 2026 and 2025. Maximum estimable loss exposure is $2,897 million: notes receivable $577 million, equity investments $102 million, operating lease guarantees $923 million and inventory and prepayments $1,295 million. Flash Ventures sells to and leases back a portion of its tools from a consortium of financial institutions; Sandisk guarantees half of all outstanding obligations under each lease agreement, totalling JPY149.0 billion or $923 million, in annual guarantee instalments of $378 million in 2027, $245 million in 2028, $126 million in 2029, $96 million in 2030 and $78 million in 2031. Prepayments toward Sandisk's share of future building depreciation of $840 million remain to be credited against future wafer purchases, with a further $402 million committed through fiscal 2035. On 29 January 2026 the FAL and FPL Second Commitment and Extension Agreements extended Flash Alliance and Flash Partners from 31 December 2029 to 31 December 2034, so that all three ventures co-terminate on that date; an Agreement to Enhance Collaboration commits Sandisk Technologies to pay Kioxia $1.2 billion over 2026 through 2029 in consideration of Kioxia's manufacturing services and the continued availability of supply, amortised straight-line into cost of revenue. On expiry each entity commences a wind-up and is dissolved, with net proceeds distributed in kind or cash pro rata. Flash Ventures-related commitments total $6,559 million: $2,627 million in 2027, $2,577 million in 2028-2029, $1,318 million in 2030-2031 and $37 million beyond. — FY2026 · publ. 2026-08-17 · source ↗
4. ReportedThe counterweight is that this is precisely the arrangement that let a company with $674 million of property and equipment book $12.4 billion of operating income. Ownership would have cost tens of billions and produced worse returns for two decades.
   Sandisk Corporation, Form 10-K FY2026 — consolidated statements of operations, balance sheets and cash flows, and the results-of-operations and liquidity discussion in Item 7. Revenue net $20,248 million against $7,355 million and $6,663 million in the two prior years, up 175%; cost of revenue $5,776 million (28.5% of revenue); gross profit $14,472 million (71.5%, up 4,100 basis points); research and development $1,328 million (6.6%); selling, general and administrative $676 million (3.3%); loss on debt extinguishment $46 million; business separation costs $25 million; total operating expenses $2,083 million; operating income $12,389 million (61.3%); gain on equity securities $808 million; interest income $70 million; interest expense $73 million; other expense $177 million; income before taxes $13,017 million; income tax expense $1,584 million at a 12% effective rate (against negative 11% and negative 34%); net income $11,433 million (56.5%) against losses of $1,641 million and $672 million. Basic EPS $77.78 and diluted $73.76, on 147 million basic and 155 million diluted weighted average shares. Revenue by end market: Datacenter $5,153 million, $960 million and $325 million; Edge $12,160 million, $4,127 million and $4,069 million; Consumer $2,935 million, $2,268 million and $2,269 million. Revenue by geography: Asia $14,241 million, Americas $4,275 million, EMEA $1,732 million. Datacenter revenue rose 437% with products sold up almost 120% on an exabyte basis and revenue per gigabyte up almost 150%; Edge rose 195% with exabytes up a high single-digit percentage and revenue per gigabyte up almost 180%; Consumer rose 29% with exabytes DOWN a mid-teens percentage and revenue per gigabyte up a low-fifties percentage; total products sold increased by a mid-teens percentage on an exabyte basis. Sales incentive and marketing programmes represented 11%, 19% and 19% of gross revenues in 2026, 2025 and 2024. Balance sheet at 3 July 2026: cash and cash equivalents $4,762 million, accounts receivable $4,708 million, inventories $2,698 million, total current assets $12,780 million, marketable equity securities $1,777 million, property plant and equipment net $674 million, notes receivable and investments in Flash Ventures $678 million, goodwill $4,994 million, total assets $22,507 million; refund liabilities $1,500 million (from $126 million), contract liabilities $849 million current and $393 million non-current, income tax payable $1,286 million, total current liabilities $5,581 million, long-term debt nil (from $1,829 million), total liabilities $6,771 million, treasury stock $4,537 million, retained earnings $9,649 million (from an accumulated deficit of $1,784 million), total shareholders' equity $15,736 million, 149 million shares issued and 146 million outstanding. Cash flows: operating activities provided $11,671 million against $84 million and a use of $309 million; investing used $1,386 million including $970 million of purchases of marketable equity securities, $275 million of net issuances related to Flash Ventures and $177 million of capital expenditures; financing used $7,001 million including $4.5 billion of share repurchases, $1.9 billion of Term Loan repayments and settlement and $630 million of taxes on vested stock awards. Cash conversion cycle 162 days (DSO 48, DIO 178, DPO 64). $2,879 million of cash was held outside the US. Contract liabilities were $1,242 million and refund liabilities $1,500 million under long-term agreements. Unrecognised tax benefits were approximately $323 million. Tax holidays in Malaysia expire at various dates during 2028 through 2031. Total material cash requirements were $11,760 million, of which Flash Ventures-related commitments were $6,559 million and purchase obligations and other commitments $4,902 million. — FY2026 · publ. 2026-08-17 · source ↗
5. ReportedThe exposure is quantified in the filing and it is not small: a maximum estimable loss exposure of $2,897 million, comprising notes receivable, equity investments, lease guarantees, inventory and prepayments. Watch the guarantee balance.
   Sandisk Corporation, Form 10-K FY2026 — Note 10, Related Parties and Related Commitments and Contingencies, and the related Item 1 and Item 7 disclosure on Flash Ventures. Sandisk procures all of its flash-based memory wafers from Flash Partners Ltd., Flash Alliance Ltd. and Flash Forward Ltd.; it holds a 49.9% ownership interest and Kioxia 50.1% in each. Wafers are manufactured by Kioxia at its wafer fabrication facilities in Japan using equipment individually owned or leased by each Flash Ventures entity; each entity purchases wafers from Kioxia at cost and resells them to Sandisk and Kioxia at cost plus a markup, with each partner generally entitled to 50% of output. The facilities are Y3 (Flash Partners, 2004), Y4 (Flash Alliance, 2006), Y5 (Flash Forward, 2010), New Y2 (production from 2016), Y6 (2018), K1 at Kitakami (2019), Y7 (2022) and K2 at Kitakami, whose output began in the year ended 3 July 2026. Sandisk is obligated to pay for variable costs based on a rolling three-month forecast, and purchase orders placed with Flash Ventures for up to three months are binding and cannot be cancelled; it is obligated to pay for half of Flash Ventures' fixed costs regardless of the output it chooses to purchase, and is committed to fund 49.9% to 50.0% of each entity's capital investments where operating cash flow is insufficient. Flash Ventures has historically operated at approximately 100% of manufacturing capacity; during 2026, 2025 and 2024 Sandisk temporarily reduced its utilisation and incurred costs of $11 million, $75 million and $249 million respectively, recorded as charges to cost of revenue. It participates in common R&D activities with Kioxia and is contractually committed to a minimum funding level, with R&D commitments due for 2027 of $138 million. Sandisk accounts for its ownership under the equity method; the entities are VIEs and Sandisk determined it is not the primary beneficiary of any of them, concluding on its 49.9% ownership, the voting structure and the manner in which day-to-day operations are conducted that it lacked the power to direct most of the activities that most significantly impact economic performance. Its 49.9% interest in the earnings of the entities is recognised one quarter in arrears in Other income (expense), net. Summarised financial information for the ventures: net sales of $2,775 million, $2,315 million and $2,252 million and net losses of $85 million, $63 million and $9 million for 2026, 2025 and 2024, with a gross loss of $93 million in 2026; total assets $7,320 million and total net equity of investees $1,025 million. Notes receivable and investments in Flash Ventures totalled $679 million. Sandisk made net payments to Flash Ventures of $3.6 billion, $3.4 billion and $3.4 billion in 2026, 2025 and 2024 and received distributions of $107 million and $176 million in 2026 and 2025. Maximum estimable loss exposure is $2,897 million: notes receivable $577 million, equity investments $102 million, operating lease guarantees $923 million and inventory and prepayments $1,295 million. Flash Ventures sells to and leases back a portion of its tools from a consortium of financial institutions; Sandisk guarantees half of all outstanding obligations under each lease agreement, totalling JPY149.0 billion or $923 million, in annual guarantee instalments of $378 million in 2027, $245 million in 2028, $126 million in 2029, $96 million in 2030 and $78 million in 2031. Prepayments toward Sandisk's share of future building depreciation of $840 million remain to be credited against future wafer purchases, with a further $402 million committed through fiscal 2035. On 29 January 2026 the FAL and FPL Second Commitment and Extension Agreements extended Flash Alliance and Flash Partners from 31 December 2029 to 31 December 2034, so that all three ventures co-terminate on that date; an Agreement to Enhance Collaboration commits Sandisk Technologies to pay Kioxia $1.2 billion over 2026 through 2029 in consideration of Kioxia's manufacturing services and the continued availability of supply, amortised straight-line into cost of revenue. On expiry each entity commences a wind-up and is dissolved, with net proceeds distributed in kind or cash pro rata. Flash Ventures-related commitments total $6,559 million: $2,627 million in 2027, $2,577 million in 2028-2029, $1,318 million in 2030-2031 and $37 million beyond. — FY2026 · publ. 2026-08-17 · source ↗

• Sandisk Corporation Form 10-K, FY2026 (SEC EDGAR)