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MainStreet Bancshares, Inc.

MNSB
Exchange
Nasdaq
Industry
State Commercial Banks
SEC CIK
0001693577

No open-market purchases or sales by MainStreet Bancshares, Inc. insiders were filed in the last 90 days; 96 institutions reported holding it in 13F filings for Q2 2026, worth $99.3M in total; no superinvestor holds it.

Other share classesMNSBP

13F holders, Q1 2023

Institutional positions in MainStreet Bancshares, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
53
0 vs. Q4 2022
Shares held
3.35M
−16.6K (−0.5%) vs. Q4 2022
Total value
$78.7M
−$13.9M (−15.0%) vs. Q4 2022
New holders
5
25 more added
Sold out
5
8 more reduced

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MNSB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 53 institutions
Q1 2021: 49 institutionsQ2 2021: 45 institutionsQ3 2021: 41 institutionsQ4 2021: 46 institutionsQ1 2022: 46 institutionsQ2 2022: 47 institutionsQ3 2022: 45 institutionsQ4 2022: 53 institutionsQ1 2023: 53 institutionsQ2 2023: 59 institutionsQ3 2023: 63 institutionsQ4 2023: 64 institutionsQ1 2024: 65 institutionsQ2 2024: 66 institutionsQ3 2024: 53 institutionsQ4 2024: 53 institutionsQ1 2025: 51 institutionsQ2 2025: 61 institutionsQ3 2025: 71 institutionsQ4 2025: 75 institutionsQ1 2026: 84 institutionsQ2 2026: 96 institutions
Value heldQ1 2023: $78.7M
Q1 2021: $74.2MQ2 2021: $73.3MQ3 2021: $75.1MQ4 2021: $84.6MQ1 2022: $82.8MQ2 2022: $76.1MQ3 2022: $74.6MQ4 2022: $92.5MQ1 2023: $78.7MQ2 2023: $85.5MQ3 2023: $79.1MQ4 2023: $104.0MQ1 2024: $78.2MQ2 2024: $70.5MQ3 2024: $69.6MQ4 2024: $68.6MQ1 2025: $61.9MQ2 2025: $80.6MQ3 2025: $95.5MQ4 2025: $96.7MQ1 2026: $93.1MQ2 2026: $99.3M
Institutions holding MNSB and their total value by quarter
QuarterHoldersValue
Q2 202696$99.3M
Q1 202684$93.1M
Q4 202575$96.7M
Q3 202571$95.5M
Q2 202561$80.6M
Q1 202551$61.9M
Q4 202453$68.6M
Q3 202453$69.6M
Q2 202466$70.5M
Q1 202465$78.2M
Q4 202364$104.0M
Q3 202363$79.1M
Q2 202359$85.5M
Q1 202353$78.7M
Q4 202253$92.5M
Q3 202245$74.6M
Q2 202247$76.1M
Q1 202246$82.8M
Q4 202146$84.6M
Q3 202141$75.1M
Q2 202145$73.3M
Q1 202149$74.2M

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q4 2022.

Institutions holding MNSB in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC9$2110.00%00.0%Unchanged
Atticus Wealth Management, LLC35$8230.00%+35New
TSFG, LLC59$1.00K0.00%00.0%Unchanged
Wells Fargo & Company43$1.01K0.00%+1+2.4%Added
Salem Investment Counselors Inc300$7.05K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)733$18.0K0.00%+526+254.1%Added
Bourgeon Capital Management LLC1,050$24.7K0.01%00.0%Unchanged
Belpointe Asset Management LLC1,500$35.2K0.00%00.0%Unchanged
Bank of America Corp1,530$35.9K0.00%+1,523+21,757.1%Added
Globeflex Capital L P1,600$37.6K0.00%+1,600New
Toth Financial Advisory Corp1,694$39.8K0.01%+2+0.1%Added
US Bancorp2,000$47.0K0.00%00.0%Unchanged
UBS Group AG2,812$66.1K0.00%+1,744+163.3%Added
Royal Bank of Canada3,625$85.0K0.00%00.0%Unchanged
Spire Wealth Management6,562$154.1K0.01%00.0%Unchanged
JPMorgan Chase & Co7,011$164.0K0.00%+7,000+63,636.4%Added
Citigroup Inc8,723$204.9K0.00%+2,902+49.9%Added
Caldwell Sutter Capital, Inc.8,818$207.1K0.15%00.0%Unchanged
Advisor Group Holdings, Inc.9,456$218.5K0.00%+5,196+122.0%Added
Citadel Advisors LLC10,814$254.0K0.00%+10,814New
Northern Trust Corp11,164$262.2K0.00%+432+4.0%Added
Quadrature Capital Ltd12,248$287.8K0.01%+12,248New
Provident Wealth Management, LLC12,294$288.8K0.15%+2,437+24.7%Added
Sandy Spring Bank12,600$296.0K0.02%00.0%Unchanged
Forum Financial Management, LP13,439$315.7K0.01%00.0%Unchanged
Qube Research & Technologies Ltd13,916$326.9K0.00%+5,981+75.4%Added
Cresset Asset Management, LLC14,955$351.3K0.01%+50+0.3%Added
Morgan Stanley16,664$391.4K0.00%+10,355+164.1%Added
BlackRock Inc.17,838$419.0K0.00%+868+5.1%Added
Jane Street Group, LLC18,403$432.3K0.00%+18,403New
Creative Planning21,000$493.3K0.00%00.0%Unchanged
State Street Corp22,127$519.8K0.00%00.0%Unchanged
ELCO Management Co., LLC25,000$587.3K0.43%−10,636−29.8%Reduced
BHZ Capital Management, LP26,219$615.9K0.38%−4,882−15.7%Reduced
Susquehanna International Group, LLP39,813$935.2K0.00%+17,790+80.8%Added
Salzhauer Michael40,062$941.1K0.86%00.0%Unchanged
Acadian Asset Management LLC40,882$958.0K0.00%+1,872+4.8%Added
Renaissance Technologies LLC45,900$1.08M0.00%+8,932+24.2%Added
Hillsdale Investment Management Inc.48,883$1.15M0.10%−7,900−13.9%Reduced
Kennedy Capital Management, Inc.49,860$1.17M0.03%+21,712+77.1%Added
JCSD Capital, LLC54,411$1.28M2.10%−12,526−18.7%Reduced
Bridgeway Capital Management, LLC55,820$1.31M0.03%+1,580+2.9%Added
Geode Capital Management, LLC55,945$1.31M0.00%+213+0.4%Added
Dimensional Fund Advisors LP65,944$1.55M0.00%+8,351+14.5%Added
Cutler Capital Management, LLC81,714$1.92M0.86%+1,853+2.3%Added
Millennium Management LLC101,804$2.39M0.00%+68,344+204.3%Added
Elizabeth Park Capital Advisors, Ltd.169,355$3.98M2.56%00.0%Unchanged
Jacobs Asset Management, LLC186,293$4.38M2.54%−48,707−20.7%Reduced
First Manhattan Co236,263$5.55M0.02%−22,000−8.5%Reduced
Wellington Management Group LLP343,545$8.07M0.00%−3,230−0.9%Reduced
Vanguard Group Inc374,025$8.79M0.00%+38,420+11.4%Added
Alliancebernstein L.P.445,701$10.5M0.00%+40,223+9.9%Added
Banc Funds Co LLC606,371$14.2M1.52%−5,001−0.8%Reduced
Fourthstone LLC0$00.00%−153,174−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−23,568−100.0%Sold out
Campbell Wealth Management0$00.00%−7,908−100.0%Sold out
Man Group plc0$00.00%−7,460−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−1,050−100.0%Sold out