Citadel Advisors’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
$2.39M Buy
+88,947
New +$2.3M ﹤0.01% 6161
2026
Q1
Sell
-41,556
Closed -$966K 14743
2025
Q4
$966K Buy
+41,556
New +$924K ﹤0.01% 7469

Other funds holding COSO

Citadel Advisors's COSO Position: Q2 2026 in Review

Citadel Advisors opened a new position in CoastalSouth Bancshares (COSO) in Q2 2026: 88,947 shares worth $2.39M. The stake represents ﹤0.01% of the portfolio and ranks #6161 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in COSO as recently as Q4 2025.

Citadel Advisors first reported a position in COSO in Q4 2025 and has held it in 2 quarters since. 100 funds tracked by Wall St. Rank hold COSO as of Q2 2026.

  • Citadel Advisors held 88,947 shares of CoastalSouth Bancshares worth $2.39M as of Q2 2026.
  • CoastalSouth Bancshares was a new Citadel Advisors position in Q2 2026.
  • CoastalSouth Bancshares made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #6161 holding.
  • Citadel Advisors first reported a position in CoastalSouth Bancshares in Q4 2025 and has held it in 2 quarters since.
  • 100 funds tracked by Wall St. Rank held CoastalSouth Bancshares as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.