BlackRock
COSO

BlackRock’s CoastalSouth Bancshares COSO Stock Holding History

BlackRock’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 		$12.1M Buy
492,033
+167,727
+52% +$4.07M ﹤0.01% 3372
2025
Q4 		$7.54M Buy
324,306
+73,990
+30% +$1.65M ﹤0.01% 3630
2025
Q3 		$5.46M Buy
+250,316
New +$5.41M ﹤0.01% 3744

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
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
ECA
Endeavour Capital Advisors Greenwich, Connecticut $441M AUM 21.38% 1-Year Est. Return

BlackRock's COSO Position: Q1 2026 in Review

BlackRock increased its CoastalSouth Bancshares (COSO) stake by 52% in Q1 2026, buying an estimated $4.07M and bringing the position to 492,033 shares worth $12.1M. The position accounts for ﹤0.01% of the portfolio, ranked #3372.

BlackRock 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.

  • BlackRock held 492,033 shares of CoastalSouth Bancshares worth $12.1M as of Q1 2026.
  • BlackRock bought 167,727 CoastalSouth Bancshares shares in Q1 2026, an estimated $4.07M.
  • CoastalSouth Bancshares made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #3372 holding.
  • BlackRock 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 BlackRock's 13F filing for Q1 2026, filed 13 May 2026.