Ticker · CUSIP 097235105
Holders (tracked)
1
Combined shares
30,551
Combined value
$258.2K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
2 events
- Renaissance Technologies added2026-02-12+1,700 shares · 2025Q413F
- Renaissance Technologies trimmed2025-11-13−6,923 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 | $956K |
| 2022Q2 | 3 | $957K |
| 2022Q3 | 3 | $888 |
| 2022Q4 | 3 | $146K |
| 2023Q1 | 3 | $135K |
| 2023Q2 | 3 | $375K |
| 2023Q3 | 3 | $275K |
| 2023Q4 | 2 | $96K |
| 2024Q1 | 2 | $81K |
| 2024Q2 | 2 | $323K |
| 2024Q3 | 1 | $320K |
| 2024Q4 | 1 | $284K |
| 2025Q1 | 1 | $290K |
| 2025Q2 | 1 | $279K |
| 2025Q3 | 1 | $262K |
| 2025Q4 | 1 | $258K |
Who owns BSBK
1 super-investors · 2025Q4
Tracked stake
30.6K
shares
Combined value
$258K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 30.6K | $258K |
Recent moves
20 transactions
- +1,700 · 2025Q4
- −6,923 · 2025Q3
- −2,077 · 2025Q2
- −800 · 2024Q4
- +1,400 · 2024Q3
- TRIMBlackRock−780 · 2024Q2
- −5,049 · 2024Q2
- +400 · 2024Q1
- TRIMBlackRock−387 · 2024Q1
- −25,157 · 2023Q4
- −2,900 · 2023Q4
- TRIMBlackRock−130 · 2023Q4
- +5,200 · 2023Q3
- −8,210 · 2023Q3
- TRIMBlackRock−542 · 2023Q3
- −966 · 2023Q2
- −6,331 · 2023Q2
- TRIMBlackRock−881 · 2023Q2
- −3,352 · 2023Q1
- +4,731 · 2023Q1
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