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WELLINGTON MANAGEMENT GROUP LLP

Position in MNSB — MainStreet Bancshares, Inc.

CIK 902219 Boston, MA

Position in MNSB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$7,830,073
+$512,466 QoQ
Shares Held
352,706
-1.9% QoQ
Ownership
4.96%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#4
of 83 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in MNSB Over Time

Shares Held

Position Value (USD)

Position in Banks - Regional

Financial Services · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $15,507,613,232 across 138 Banks - Regional names. MNSB ranks #115 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MNSB

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $7,830,073 352,706
2025-12-31 $7,317,607 359,411
2025-09-30 $8,561,609 411,023
2025-06-30 $7,872,001 416,508
2025-03-31 $6,964,013 416,508
2024-12-31 $7,757,117 428,570
2024-09-30 $7,907,116 428,570
2024-06-30 $7,598,546 428,570
2024-03-31 $9,720,103 535,248
2023-12-31 $13,636,890 549,653
2023-09-30 $11,289,872 549,653
2023-06-30 $12,455,136 549,653
2023-03-31 $8,069,872 343,545
2022-12-31 $9,532,844 346,775
2022-09-30 $7,909,937 346,775
2022-06-30 $6,037,237 265,140
2022-03-31 $5,148,785 211,797
2021-12-31 $5,208,088 211,797
2021-09-30 $6,981,066 290,999
2021-06-30 $6,567,370 290,849
2021-03-31 $3,499,222 168,556
2020-12-31 $3,768,258 222,842
2020-09-30 $2,897,122 236,693
2020-06-30 $4,372,222 331,229
2020-03-31 $6,745,011 402,447