Ticker · CUSIP 09769B115
Holders (tracked)
3
Combined shares
326,078
Combined value
$5.4K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 6 quarters.
SEC event timeline
1 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−495 shares · 2025Q413F
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 |
|---|---|---|
| 2024Q3 | 3 | $21K |
| 2024Q4 | 3 | $18K |
| 2025Q1 | 3 | $10K |
| 2025Q2 | 3 | $8K |
| 2025Q3 | 3 | $13K |
| 2025Q4 | 3 | $5K |
Who owns BSLKW
3 super-investors · 2025Q4
Tracked stake
326.1K
shares
Combined value
$5K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim1Held2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 186.3K | $3K |
| 2 | D.E. Shaw & Co. | 109.0K | $2K |
| 3 | Ken Griffin Citadel Advisors | 30.8K | $508 |
Recent moves
2 transactions
- −495 · 2025Q4
- +108,968 · 2024Q3
Embed this chart
Paste this iframe anywhere to embed the live BSLKW chart.
<iframe src="https://openstocks.me/embed/stock/BSLKW" width="100%" height="480" frameborder="0" loading="lazy" title="BSLKW chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>