Does First Manhattan own MNSB stock?

Yes. As of its Q2 2026 13F, First Manhattan holds 161,731 shares of MNSB (Mainstreet Bancshares), worth $4M.

How many shares of MNSB does First Manhattan own?

As of its Q2 2026 13F, First Manhattan holds 161,731 shares of MNSB (Mainstreet Bancshares).

As of its Q2 2026 13F, First Manhattan's MNSB position is worth $4M.

In Q2 2026, First Manhattan reduced its MNSB position by 26,377 shares (-14.0%).

First Manhattan already held MNSB in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Position history for FIRST MANHATTAN CO. LLC.'s holdings in MAINSTREET BANCSHARES INC

Current Value

$4M

Current Shares

161,731

Total Value Change

+$654,138

Total Shares Change

-34,004

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	161,731	-14.0%	$4M	0.0%	$24.58	0
2026-Q1	Unchanged	188,108	0.0%	$4.2M	0.0%	$22.01	0
2025-Q4	Decreased	188,108	-10.2%	$3.8M	0.0%	$20.10	0
2025-Q3	Decreased	209,478	-0.4%	$4.4M	0.0%	$20.45	0
2025-Q2	Decreased	210,353	-14.0%	$4M	0.0%	$18.46	0
2025-Q1	Decreased	244,577	-3.1%	$4.1M	0.0%	$16.25	0
2024-Q4	Decreased	252,393	-1.3%	$4.6M	0.0%	$17.48	0
2024-Q3	Decreased	255,578	-0.6%	$4.7M	0.0%	$17.72	0
2024-Q2	Increased	257,228	+0.4%	$4.6M	0.0%	$16.93	27
2024-Q1	Increased	256,103	+0.6%	$4.7M	0.0%	$17.23	27
2023-Q4	Decreased	254,590	-4.5%	$6.3M	0.0%	$23.41	0
2023-Q3	Increased	266,640	+13.3%	$5.5M	0.0%	$19.29	31
2023-Q2	Decreased	235,363	-0.4%	$5.3M	0.0%	$21.19	0
2023-Q1	Decreased	236,263	-8.5%	$5.5M	0.0%	$21.86	0
2022-Q4	Decreased	258,263	-9.8%	$7.1M	0.0%	$25.49	0
2022-Q3	Decreased	286,229	-0.0%	$6.5M	0.0%	$21.08	0
2022-Q2	Decreased	286,264	-0.4%	$6.5M	0.0%	$20.99	0
2022-Q1	Increased	287,364	+2.6%	$7M	0.0%	$22.37	28
2021-Q4	Increased	280,039	+7.1%	$6.9M	0.0%	$22.58	29
2021-Q3	Increased	261,389	+1.8%	$6.3M	0.0%	$22.03	28
2021-Q2	Increased	256,674	+10.7%	$5.8M	0.0%	$20.73	30
2021-Q1	Increased	231,774	+19.6%	$4.8M	0.0%	$19.06	32
2020-Q4	Decreased	193,827	-0.4%	$3.3M	0.0%	$15.53	0
2020-Q3	Unchanged	194,535	0.0%	$2.4M	0.0%	$11.24	0
2020-Q2	Increased	194,535	+9.3%	$2.6M	0.0%	$12.12	29
2020-Q1	Unchanged	178,035	0.0%	$3M	0.0%	$15.39	0
2019-Q4	Unchanged	178,035	0.0%	$4.1M	0.0%	$21.12	0
2019-Q3	Unchanged	178,035	0.0%	$3.7M	0.0%	$19.33	0
2019-Q2	Decreased	178,035	-9.0%	$4.1M	0.0%	$20.93	0
2019-Q1	Unchanged	195,735	0.0%	$4.2M	0.0%	$19.83	0
2018-Q4	First report	195,735	-	$3.3M	0.0%	$15.67	0