WELLINGTON MANAGEMENT GROUP LLP

Position in MNSB — MainStreet Bancshares, Inc.

CIK 902219 Boston, MA

Back to MNSB Full portfolio

Position in MNSB

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$8,319,567

+$489,494 QoQ

Shares Held

336,961

-4.5% QoQ

Ownership

4.73%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

of 95 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Common Shares in MNSB Over Time

Shares Held

Position Value (USD)

Position in Banks - Regional

Financial Services · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $16,129,309,862 across 126 Banks - Regional names. MNSB ranks #103 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MTB	M&T Bank Corp	9,801,881	$2,332,945,693
2	HBAN	Huntington Bancshares Inc /Md/	122,300,772	$2,168,392,684
3	FITB	Fifth Third Bancorp	23,653,758	$1,333,362,335
4	PNFP	Pinnacle Financial Partners, Inc.	11,141,397	$1,123,944,126
5	RF	Regions Financial Corp	20,992,390	$633,970,178
6	TFC	Truist Financial Corp	8,985,087	$447,637,033
7	COLB	Columbia Banking System, Inc.	11,686,430	$374,550,079
8	WAL	Western Alliance Bancorporation	4,389,690	$360,832,517

All Filings in MNSB

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,319,567	336,961	-4.5%	Shares	Defined	2026-08-14
2026-03-31	$7,830,073	352,706	-1.9%	Shares	Defined	2026-05-15
2025-12-31	$7,317,607	359,411	-12.6%	Shares	Defined	2026-02-17
2025-09-30	$8,561,609	411,023	-1.3%	Shares	Defined	2025-11-14
2025-06-30	$7,872,001	416,508	0.0%	Shares	Defined	2025-08-14
2025-03-31	$6,964,013	416,508	-2.8%	Shares	Defined	2025-05-13
2024-12-31	$7,757,117	428,570	0.0%	Shares	Defined	2025-02-12
2024-09-30	$7,907,116	428,570	0.0%	Shares	Defined	2024-11-14
2024-06-30	$7,598,546	428,570	-19.9%	Shares	Defined	2024-08-14
2024-03-31	$9,720,103	535,248	-2.6%	Shares	Defined	2024-05-15
2023-12-31	$13,636,890	549,653	0.0%	Shares	Defined	2024-02-12
2023-09-30	$11,289,872	549,653	0.0%	Shares	Defined	2023-11-14
2023-06-30	$12,455,136	549,653	+60.0%	Shares	Defined	2023-08-14
2023-03-31	$8,069,872	343,545	-0.9%	Shares	Defined	2023-05-12
2022-12-31	$9,532,844	346,775	0.0%	Shares	Defined	2023-02-13
2022-09-30	$7,909,937	346,775	+30.8%	Shares	Defined	2022-11-14
2022-06-30	$6,037,237	265,140	+25.2%	Shares	Defined	2022-08-15
2022-03-31	$5,148,785	211,797	0.0%	Shares	Defined	2022-05-16
2021-12-31	$5,208,088	211,797	-27.2%	Shares	Defined	2022-02-11
2021-09-30	$6,981,066	290,999	+0.1%	Shares	Defined	2021-11-15
2021-06-30	$6,567,370	290,849	+72.6%	Shares	Defined	2021-08-16
2021-03-31	$3,499,222	168,556	-24.4%	Shares	Defined	2021-05-17
2020-12-31	$3,768,258	222,842	-5.9%	Shares	Defined	2021-02-12
2020-09-30	$2,897,122	236,693	-28.5%	Shares	Defined	2020-11-16
2020-06-30	$4,372,222	331,229	-17.7%	Shares	Defined	2020-08-14
2020-03-31	$6,745,011	402,447	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.