Ticker · CUSIP 09225M101
Holders (tracked)
4
Combined shares
315,116
Combined value
$4.19M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
2 events
- Ken Griffin (Citadel Advisors) added2026-02-17+31,024 shares · 2025Q413F
- First Eagle Investment Management added2025-11-12+7,696 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions 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 | $5K |
| 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
Embed this chart
Paste this iframe anywhere to embed the live BSM chart.
<iframe src="https://openstocks.me/embed/stock/BSM" width="100%" height="480" frameborder="0" loading="lazy" title="BSM chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>