The 100% passive composition strongly suggests BMNR was added to major indices or ETFs during Q3, driving forced buying regardless of fundamental view. This creates no active conviction signal — traders should not extrapolate bullish institutional thesis. Monitor for Q4 13F filings to see if active managers opportunistically exited these new passive positions, which would signal a lack of fundamental support at the current $8.9B valuation.
Executive Summary
Five mega-passive institutions — Vanguard, BlackRock, State Street, Fidelity, and Morgan Stanley — established or dramatically increased positions in Bitmine Immersion Technologies in Q3 2025, collectively accumulating $1.18B in new holdings. While this scale of passive buying signals broad index-based demand (likely reflecting the company's entry into major benchmarks after its massive market cap growth to $8.9B), the lack of active managers signals weak fundamental conviction. Historical call performance on BMNR shows a 17% win rate at T+20 with average losses of -8.66%, underscoring poor timing signals from this model on this ticker.
Key Financial Metrics
Institutional Positions
Net institutional flow: $1.2B
▲ Buyers (5)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Vanguard | NEW | — | $148.6M | $148.6M |
| BlackRock | NEW | — | $176.9M | $176.9M |
| State Street | NEW | — | $40.4M | $40.4M |
| Fidelity | NEW | — | $312.9M | $312.9M |
| Morgan Stanley | DOUBLED | +35180% | $503.5M | $502.6M |
Key Facts
- 5 institutions accumulated $1.18B in new BMNR positions in Q3 2025
- 0 institutions sold or reduced BMNR positions
- All 5 buyers are mega-passive managers: Vanguard, BlackRock, State Street, Fidelity, Morgan Stanley
- No active managers, hedge funds, or activists participated in the cluster
- Morgan Stanley DOUBLED its tiny prior position, growing from $932K to $503.5M — a 35,180% increase
- Prior model calls on BMNR have a 17% win rate at T+20 with mean -8.66% return
Financial Impact
5 institutions accumulated $1.18B in new BMNR holdings. Largest buyers: Morgan Stanley ($502.6M net added), Fidelity ($312.9M), BlackRock ($176.9M), Vanguard ($148.6M), State Street ($40.4M).
Risk Factors
- All buying is passive/index-driven — no fundamental conviction signal from active managers
- Historical model performance on BMNR shows 83% loss rate at T+20 with -8.66% average loss, suggesting poor signal quality for this ticker
- The disclosed positions are from September 30, 2025; current holdings may differ materially after Q4 rebalancing
- No seller data — one-sided passive buying in a volatile name is not a directional signal
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-BMNR-2025-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 14, 2026 18d ago | 8-K | $25.76 $23.60 | ▼ −8.39% | ▼ −7.93% | — |
Aug 31, 2026 4w ago | 8-K | $25.32 $23.37 | ▼ −7.70% | ▼ −7.01% | — |
Aug 24, 2026 5w ago | 8-K | $24.14 $24.82 | ▲ +2.82% | ▲ +2.50% | — |
Aug 17, 2026 6w ago | 8-K | $18.73 $18.28 | ▼ −2.40% | ▼ −1.73% | — |
Aug 14, 2026 7w ago | 8-K | $18.08 $18.73 | ▲ +3.60% | ▲ +4.07% | — |
Aug 10, 2026 7w ago | 8-K | $18.10 $18.09 | ▼ −0.06% | ▲ +0.26% | — |
Aug 3, 2026 8w ago | 8-K | $17.42 $18.10 | ▲ +3.90% | ▲ +2.10% | — |
Jul 27, 2026 9w ago | 8-K | $17.92 $17.57 | ▼ −1.95% | ▼ −2.19% | — |
Jul 20, 2026 10w ago | 8-K | $16.63 $17.23 | ▲ +3.61% | ▲ +2.77% | — |
Jul 16, 2026 11w ago | 8-K | $15.44 $15.69 | ▲ +1.62% | ▲ +2.61% | — |
US Market Status
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