Jane Street
COSO

Jane Street’s CoastalSouth Bancshares COSO Stock Holding History

Jane Street’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
Q2 		$1.35M Buy
+50,345
New +$1.3M ﹤0.01% 5893
2026
Q1 		– Sell
-12,890
Closed -$300K – 13512
2025
Q4 		$300K Buy
+12,890
New +$287K ﹤0.01% 8844

Other funds holding COSO

PFPGI
Patriot Financial Partners GP II Radnor, Pennsylvania $391M AUM 33.12% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NRCM
North Reef Capital Management Laguna Beach, California $2.61B AUM 11.5% 1-Year Est. Return
BCP
Berkeley Capital Partners Milton, Georgia $486M AUM 24.56% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
MCA
Mendon Capital Advisors Key Largo, Florida $283M AUM 40.56% 1-Year Est. Return
CRC
Curi RMB Capital Chicago, Illinois $6.48B AUM 30.25% 1-Year Est. Return
FL
Fourthstone LLC St Louis, Missouri $140M AUM 42.62% 1-Year Est. Return

Jane Street's COSO Position: Q2 2026 in Review

Jane Street opened a new position in CoastalSouth Bancshares (COSO) in Q2 2026: 50,345 shares worth $1.35M. The stake represents ﹤0.01% of the portfolio and ranks #5893 among its holdings. This is a return to the name: Jane Street previously reported a position in COSO as recently as Q4 2025.

Jane Street first reported a position in COSO in Q4 2025 and has held it in 2 quarters since. 101 funds tracked by Wall St. Rank hold COSO as of Q2 2026.

  • Jane Street held 50,345 shares of CoastalSouth Bancshares worth $1.35M as of Q2 2026.
  • CoastalSouth Bancshares was a new Jane Street position in Q2 2026.
  • CoastalSouth Bancshares made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #5893 holding.
  • Jane Street first reported a position in CoastalSouth Bancshares in Q4 2025 and has held it in 2 quarters since.
  • 101 funds tracked by Wall St. Rank held CoastalSouth Bancshares as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.