Jane Street’s ECB Bancorp ECBK Stock Holding History

Jane Street’s Portfolio ECBK Stock Details ECBK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-13,224	Closed	-$200K	–	9897
2025 Q1	$200K	Buy	+13,224	New	+$191K	﹤0.01%	8447

Other funds holding ECBK

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Sachetta Lynnfield, Massachusetts $206M AUM 26.19% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Oppenheimer & Close New York $159M AUM 60.56% 1-Year Est. Return

Minerva Advisors Bala Cynwyd, Pennsylvania $155M AUM 35.49% 1-Year Est. Return

Jane Street's ECBK Position: Q2 2025 in Review

Jane Street sold out of ECB Bancorp (ECBK) in Q2 2025, closing a stake of 13,224 shares — an estimated $200K sold.

Jane Street first reported a position in ECBK in Q1 2025 and held it in 1 quarter. The position peaked at $200K in Q1 2025. 40 funds tracked by Wall St. Rank hold ECBK as of Q2 2025.

Jane Street reported no remaining ECB Bancorp position as of Q2 2025 after selling out during the quarter.
Jane Street sold 13,224 ECB Bancorp shares in Q2 2025, an estimated $200K.
Jane Street first reported a position in ECB Bancorp in Q1 2025 and held it in 1 quarter.
Jane Street's ECB Bancorp position peaked at $200K in Q1 2025.
40 funds tracked by Wall St. Rank held ECB Bancorp as of Q2 2025.

Based on Jane Street's 13F filing for Q2 2025, filed 14 Aug 2025.