First Manhattan
COSO

First Manhattan’s CoastalSouth Bancshares COSO Stock Holding History

First Manhattan’s Portfolio COSO Stock Details COSO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.91M Hold
77,638
– – 0.01% 357
2025
Q4 		$1.81M Hold
77,638
– – ﹤0.01% 355
2025
Q3 		$1.69M Buy
+77,638
New +$1.68M ﹤0.01% 355

Other funds holding COSO

PFPGI
Patriot Financial Partners GP II Radnor, Pennsylvania $388M AUM
FL
Fourthstone LLC St Louis, Missouri $590M AUM 29.58% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
BCP
Berkeley Capital Partners Milton, Georgia $431M AUM 17.43% 1-Year Est. Return
MCA
Mendon Capital Advisors Key Largo, Florida $258M AUM 21.23% 1-Year Est. Return
NRCM
North Reef Capital Management Laguna Beach, California $2.91B AUM 11.03% 1-Year Est. Return
CRC
Curi RMB Capital Chicago, Illinois $5.62B AUM 18.93% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

First Manhattan's COSO Position: Q1 2026 in Review

First Manhattan held its CoastalSouth Bancshares (COSO) position steady in Q1 2026 at 77,638 shares worth $1.91M. The position accounts for 0.01% of the portfolio, ranked #357.

First Manhattan first reported a position in COSO in Q3 2025 and has held it in 3 quarters since. 83 funds tracked by Wall St. Rank hold COSO as of Q1 2026.

  • First Manhattan held 77,638 shares of CoastalSouth Bancshares worth $1.91M as of Q1 2026.
  • First Manhattan left its CoastalSouth Bancshares share count unchanged in Q1 2026.
  • CoastalSouth Bancshares made up 0.01% of First Manhattan's portfolio in Q1 2026, its #357 holding.
  • First Manhattan first reported a position in CoastalSouth Bancshares in Q3 2025 and has held it in 3 quarters since.
  • 83 funds tracked by Wall St. Rank held CoastalSouth Bancshares as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.