Ticker · CUSIP 19058X207

COSO

COASTALSOUTH BANCSHARES INC
···Share
Holders (tracked)
1
Combined shares
41,556
Combined value
$966.2K
Last close
$25.94
Quarter
2025Q4
Price · 1Y$25.94+5.08 (+24.36%)H $25.94 · L $19.31 · Avg Vol 50K
Position opened
$20.00$22.00$24.00$26.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
112025Q32025Q4
Price is +11.6% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

3 events
  1. Ken Griffin (Citadel Advisors) opened position2026-02-17
    +41,556 shares · 2025Q4
    Position
  2. Izzy Englander (Millennium Mgmt) exited2026-02-17
    −19,807 shares · 2025Q4
    Position
  3. Izzy Englander (Millennium Mgmt) opened position2025-11-14
    +19,807 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for COSO →
Follow-the-investor returns
If you'd copied each holder of COSO…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2025Q4$23.25+11.6%$1.1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed0
—
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined 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
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
41.6K$966K

Recent moves

3 transactions
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