BlackRock’s CoastalSouth Bancshares COSO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$15.7M Buy
584,198
+92,165
+19% +$2.38M ﹤0.01% 3431
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

BlackRock's COSO Position: Q2 2026 in Review

BlackRock increased its CoastalSouth Bancshares (COSO) stake by 19% in Q2 2026, buying an estimated $2.38M and bringing the position to 584,198 shares worth $15.7M. The position accounts for ﹤0.01% of the portfolio, ranked #3431.

BlackRock first reported a position in COSO in Q3 2025 and has held it in 4 quarters since. 100 funds tracked by Wall St. Rank hold COSO as of Q2 2026.

  • BlackRock held 584,198 shares of CoastalSouth Bancshares worth $15.7M as of Q2 2026.
  • BlackRock bought 92,165 CoastalSouth Bancshares shares in Q2 2026, an estimated $2.38M.
  • CoastalSouth Bancshares made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #3431 holding.
  • BlackRock first reported a position in CoastalSouth Bancshares in Q3 2025 and has held it in 4 quarters since.
  • 100 funds tracked by Wall St. Rank held CoastalSouth Bancshares as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.