Ticker · CUSIP 098070600
Holders (tracked)
2
Combined shares
21,927
Combined value
$31.8K
Last close
—
Quarter
2025Q4
SEC event timeline
2 events
- +10,844 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+11,083 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.
New positions2
- Two Sigma Investments+11,083$16K
- Ken Griffin (Citadel Advisors)+10,844$16K
Added to0
—
Trimmed0
—
Exited0
—
Who owns BBLG
2 super-investors · 2025Q4
Tracked stake
21.9K
shares
Combined value
$32K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 11.1K | $16K |
| 2 | Ken Griffin Citadel Advisors | 10.8K | $16K |
Recent moves
2 transactions
- +10,844 · 2025Q4
- +11,083 · 2025Q4
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