Ticker · CUSIP 09175A206
Holders (tracked)
8
Combined shares
28,234,950
Combined value
$763.75M
Last close
$22.44
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 2.
Price is -17.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
8 events
- +13,600 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+3,402,600 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+412,534 shares · 2025Q413F
- +1,193,138 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−393,976 shares · 2025Q413F
- Cathie Wood (ARK Invest) added2026-02-11+1,987,517 shares · 2025Q413F
- T. Rowe Price opened position2025-11-14+498,165 shares · 2025Q313F
- Cathie Wood (ARK Invest) opened position2025-11-12+7,469,813 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BMNR…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2025Q3 | $0.05 | +43109.9% | $2.3M |
| D.E. Shaw & Co. | 2025Q4 | $27.15 | -17.3% | $9.3M |
| Paul Tudor Jones (Tudor Investment) | 2025Q4 | $27.15 | -17.3% | $305K |
| Izzy Englander (Millennium Mgmt) | 2025Q3 | $27.97 | -19.8% | $26.8M |
| Ken Griffin (Citadel Advisors) | 2025Q3 | $42.27 | -46.9% | $148.4M |
| Ken Griffin (Citadel Advisors) | 2025Q3 | $42.27 | -46.9% | $148.4M |
| Ken Griffin (Citadel Advisors) | 2025Q3 | $42.27 | -46.9% | $148.4M |
| Cathie Wood (ARK Invest) | 2025Q3 | $46.72 | -52.0% | $212.2M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Izzy Englander (Millennium Mgmt)+1,193,138$32.4M
- D.E. Shaw & Co.+412,534$11.2M
- Paul Tudor Jones (Tudor Investment)+13,600$369K
Added to2
- Ken Griffin (Citadel Advisors)+3,402,600$92.4M
- Cathie Wood (ARK Invest)+1,987,517$54.0M
Trimmed1
- T. Rowe Price−393,976$11K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q3 | 6 | $1.20B |
| 2025Q4 | 8 | $763.8M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-07-16 | Cleo Fields | Buy | $1K – $15K | PDF ↗ |
| 2025-07-16 | Cleo Fields | Buy | $1K – $15K | PDF ↗ |
| 2025-07-16 | Cleo Fields | Buy | $1K – $15K | PDF ↗ |
Who owns BMNR
8 super-investors · 2025Q4
Tracked stake
28.23M
shares
Combined value
$764M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added4Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Cathie Wood ARK Invest | 9.46M | $257M |
| 2 | Ken Griffin Citadel Advisors | 6.61M | $180M |
| 3 | Ken Griffin Citadel Advisors | 6.41M | $174M |
| 4 | Ken Griffin Citadel Advisors | 4.03M | $110M |
| 5 | Izzy Englander Millennium Mgmt | 1.19M | $32M |
| 6 | D.E. Shaw & Co. | 412.5K | $11M |
| 7 | Paul Tudor Jones Tudor Investment | 13.6K | $369K |
| 8 | T. Rowe Price | 104.2K | $3K |
Recent moves
8 transactions
- +13,600 · 2025Q4
- +3,402,600 · 2025Q4
- +412,534 · 2025Q4
- +1,193,138 · 2025Q4
- TRIMT. Rowe Price−393,976 · 2025Q4
- +1,987,517 · 2025Q4
- +498,165 · 2025Q3
- +7,469,813 · 2025Q3
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