Ticker · CUSIP 19058X207
Holders (tracked)
1
Combined shares
41,556
Combined value
$966.2K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
SEC event timeline
3 events
- +41,556 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) exited2026-02-17−19,807 shares · 2025Q413F
- +19,807 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.
New positions1
- Ken Griffin (Citadel Advisors)+41,556$966K
Added to0
—
Trimmed0
—
Exited1
- Izzy Englander (Millennium Mgmt)−19,807$432K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q3 | 1 | $432K |
| 2025Q4 | 1 | $966K |
Who owns COSO
1 super-investors · 2025Q4
Tracked stake
41.6K
shares
Combined value
$966K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 41.6K | $966K |
Recent moves
3 transactions
- +41,556 · 2025Q4
- −19,807 · 2025Q4
- +19,807 · 2025Q3
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