Jane Street’s MainStreet Bancshares MNSB Stock Holding History

Jane Street’s Portfolio MNSB Stock Details MNSB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-21,270	Closed	-$356K	–	10414
2025 Q1	$356K	Buy	21,270 +5,313	+33%	+$89.2K	﹤0.01%	7523
2024 Q4	$289K	Buy	15,957 +2,196	+16%	+$40.2K	﹤0.01%	7796
2024 Q3	$254K	Sell	13,761 -872	-6%	-$15K	﹤0.01%	8296
2024 Q2	$259K	Buy	+14,633	New	+$247K	﹤0.01%	8015
2023 Q2	–	Sell	-18,403	Closed	-$432K	–	9240
2023 Q1	$432K	Buy	+18,403	New	+$505K	﹤0.01%	6560

Other funds holding MNSB

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

BFC

Banc Funds Company Chicago, Illinois $537M AUM 17.34% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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

Fourthstone LLC St Louis, Missouri $590M AUM 29.58% 1-Year Est. Return

CAM

Cresset Asset Management Chicago, Illinois $23.1B AUM 27.04% 1-Year Est. Return

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

First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return

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

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Jane Street's MNSB Position: Q2 2025 in Review

Jane Street sold out of MainStreet Bancshares (MNSB) in Q2 2025, closing a stake of 21,270 shares — an estimated $356K sold.

Jane Street first reported a position in MNSB in Q1 2023 and held it in 5 quarters. The position peaked at $432K in Q1 2023. 61 funds tracked by Wall St. Rank hold MNSB as of Q2 2025.

Jane Street reported no remaining MainStreet Bancshares position as of Q2 2025 after selling out during the quarter.
Jane Street sold 21,270 MainStreet Bancshares shares in Q2 2025, an estimated $356K.
Jane Street first reported a position in MainStreet Bancshares in Q1 2023 and held it in 5 quarters.
Jane Street's MainStreet Bancshares position peaked at $432K in Q1 2023.
61 funds tracked by Wall St. Rank held MainStreet Bancshares as of Q2 2025.

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