Ticker · CUSIP 15117F880
Holders (tracked)
2
Combined shares
43,426
Combined value
$243.2K
Last close
$2.92
Quarter
2025Q3
Price is -47.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
3 events
- Ken Griffin (Citadel Advisors) exited2026-02-17−18,526 shares · 2025Q4Position
- Renaissance Technologies exited2026-02-12−24,900 shares · 2025Q4Position
- Renaissance Technologies opened position2025-11-13+24,900 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of CLRB…
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 |
|---|---|---|---|---|
| Renaissance Technologies | 2025Q3 | $5.60 | -47.9% | $73K |
| Ken Griffin (Citadel Advisors) | 2025Q3 | $5.60 | -47.9% | $54K |
Who moved on this name in 2025Q3
Position changes reported for the latest quarter, grouped by direction.
Who owns CLRB
2 super-investors · 2025Q3
Tracked stake
43.4K
shares
Combined value
$243K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 24.9K | $139K |
| 2 | Ken Griffin Citadel Advisors | 18.5K | $104K |
Recent moves
3 transactions
- −18,526 · 2025Q4
- −24,900 · 2025Q4
- +24,900 · 2025Q3
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