CoastalSouth Bancshares

COSO · NYSE

$27.10+$0.57 (+2.15%)TodayMarket closed ·
Prev close $26.53

Who owns COSO

Largest institutional holders, from their latest 13F filings

The 2 largest institutions hold 2.1% of COSO’s shares.

  • 1st & Main Growth Partners1.8%
  • KLCM Advisors, Inc.0.3%
  • All other shareholders97.9%
Top institutional holders of COSO
HolderShares% of shares
1st & Main Growth Partners214.26K1.79%
KLCM Advisors, Inc.37.05K0.31%

Largest mutual fund holders

Top mutual fund holders of COSO
HolderShares% of shares
Vanguard Total Stock Market Index Fund297.30K2.48%
RMB Mendon Financial Services Fund250.00K2.08%
iShares Russell 2000 ETF223.90K1.87%
Fidelity Small-Mid Multifactor ETF90.34K0.75%
Vanguard Extended Market Index Fund88.25K0.74%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $9.35K (2 trades) and sold $283.09K (5 trades) of COSO on the open market.

Latest COSO insider transactions
InsiderTypeSharesValue
Bruderer Ernst W.Sale2.00K$54.86K
Bruderer Ernst W.Sale2.00K$55.00K
Bruderer Ernst W.Sale1.00K$27.89K
Bruderer Ernst W.Sale1.00K$27.56K
MACLEOD JAMES SBuy238$6.70K
MACLEOD JAMES SBuy96$2.65K
Valduga Anthony P.Gift2.00K—
Valduga Anthony P.Sale4.56K$117.78K
Stone Stephen R.Option exercise17.00K—
Stone Stephen R.Tax withholding5.02K$128.51K

Short interest

Settled Sep 30, 2026

Shares short
159.66K
Days to cover
1.12
% of shares outstanding
1.33%
Average daily volume
143.07K
Change since last report
−30.4%

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