Ticker · CUSIP 09225M101
Holders (tracked)
4
Combined shares
315,116
Combined value
$4.19M
Last close
$13.67
Quarter
2025Q4
Price · 1Y$13.67+0.36 (+2.69%)H $15.44 · L $11.23 · Avg Vol 449K
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +2.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
2 events
- Ken Griffin (Citadel Advisors) added2026-02-17+31,024 shares · 2025Q4Position
- First Eagle Investment Management added2025-11-12+7,696 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BSM…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2017Q4 | $13.25 | +3.2% | $175K |
| Ken Griffin (Citadel Advisors) | 2017Q4 | $13.25 | +3.2% | $175K |
| Ken Griffin (Citadel Advisors) | 2017Q4 | $13.25 | +3.2% | $175K |
| First Eagle Investment Management | 2023Q2 | $14.71 | -7.0% | $304K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 3 | $3.3M |
| 2022Q2 | 3 | $4.4M |
| 2022Q3 | 3 | $4.7M |
| 2022Q4 | 3 | $11.0M |
| 2023Q1 | 3 | $8.5M |
| 2023Q2 | 3 | $6.2M |
| 2023Q3 | 4 | $7.3M |
| 2023Q4 | 4 | $12.4M |
| 2024Q1 | 4 | $7.4M |
| 2024Q2 | 4 | $3.6M |
| 2024Q3 | 4 | $3.8M |
| 2024Q4 | 4 | $3.2M |
| 2025Q1 | 4 | $3.9M |
| 2025Q2 | 4 | $3.2M |
| 2025Q3 | 4 | $4.8M |
| 2025Q4 | 4 | $4.2M |
Who owns BSM
4 super-investors · 2025Q4
Tracked stake
315.1K
shares
Combined value
$4M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added3Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 219.5K | $3M |
| 2 | Ken Griffin Citadel Advisors | 60.6K | $805K |
| 3 | First Eagle Investment Management | 22.3K | $296K |
| 4 | Ken Griffin Citadel Advisors | 12.8K | $170K |
Recent moves
20 transactions
- +31,024 · 2025Q4
- +7,696 · 2025Q3
- +8,849 · 2025Q1
- +181 · 2024Q4
- +71 · 2024Q3
- +103 · 2024Q2
- −1,047 · 2024Q1
- −1,037 · 2023Q4
- +319 · 2023Q3
- +7,125 · 2023Q2
- −59,896 · 2021Q3
- +284,527 · 2021Q4
- +59,896 · 2021Q2
- −79,431 · 2021Q1
- +54,695 · 2020Q4
- −3,124 · 2020Q3
- +27,860 · 2020Q2
- −56,388 · 2020Q1
- −11,239 · 2019Q2
- −12,936 · 2019Q4
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