Strategy books $20.9B Q3 fair-value gain, buys 334 BTC, repurchases $176M of STRC

Strategy (ticker MSTR) disclosed on October 5 a Q3 2026 fair-value gain of $20.91 billion on its bitcoin holdings, a 334-BTC purchase for $28.7 million between September 28 and October 4, and $176.3 million of STRC preferred-share repurchases across late September and early October. Total holdings sit at 848,000 BTC — about 4.04% of eventual max supply — at an average cost basis of $75,440.70. The primary filing is on EDGAR: mstr-20261005.htm.

What happened

The 334-BTC leg averaged $85,838.80 per coin, roughly 14% above the firm's cumulative cost basis. Strategy funded it with ATM proceeds from Class A common stock (MSTR), USD cash reserves, and interest on cash holdings — the standard capital stack from recent quarters.

The STRC repurchase line is new and material. Across the two reporting windows the firm bought back 1,773,802 STRC preferred shares:

• Late September: 1,033,168 shares for $102.6M
• October 1–4: 740,634 shares for $73.7M
• Combined: ~$176.3M

STRC is the preferred security Strategy introduced in H1 to raise capital at lower cost than straight common dilution. Buying it back signals the firm sees the preferred trading rich relative to the economics it's willing to pay for incremental BTC.

Numbers

• Q3 fair-value gain on bitcoin: $20.91B (with a $1.88B deferred tax expense booked against it)
• Q3 purchase: 334 BTC / $28.7M / avg $85,838.80
• Total holdings: 848,000 BTC / cumulative cost ~$63.97B / avg cost $75,440.70
• STRC repurchased in late Sept: 1,033,168 shares / $102.6M
• STRC repurchased Oct 1–4: 740,634 shares / $73.7M
• STRC repurchased total: ~$176.3M
• Source: SEC Form 8-K, October 5, 2026

Impact

The fair-value gain is a GAAP reporting mechanic — ASU 2023-08 forces holders to mark bitcoin at fair value through net income — not realized profit, and it brings a $1.88B deferred tax expense alongside. Credit analysts will net the two.

The 334-BTC buy is the smallest Strategy purchase since the firm resumed accumulation in 2024. The slower cadence, combined with STRC buy-backs, points to a quarter where Strategy is managing its capital stack rather than scaling the balance sheet aggressively — Michael Saylor's "more orange than ever" tweet notwithstanding. Buy-back volume on STRC ($176M) exceeds the BTC spend ($29M) by roughly 6×.

What to watch

1. Whether STRC repurchases persist in Q4 — a sign the preferred is trading tight and Strategy prefers to retire it rather than issue more.
2. The firm's Q3 10-Q, due within 40 days, for a cleaner picture of ATM volume and net dilution.
3. Any resumption of large-block BTC purchases if MSTR trades back to a premium above mNAV.
4. Metaplanet's parallel Q3 disclosure on October 5 and whether rating agencies push other listed BTC treasuries to run similar liquidity demonstrations.

Context

Strategy's November 2024 purchase of 55,500 BTC for $5.4B stands as the firm's single-biggest acquisition. The current 334-BTC leg is roughly 1/190th of that size — the clearest tempo change in the firm's accumulation record. The $20.9B fair-value gain reflects bitcoin's quarter-end mark versus June 30 and will reverse symmetrically on down quarters, as the new accounting standard requires.