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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, Q3 2023

Institutional positions in MainStreet Bancshares, Inc. as of Sep 30, 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
63
+5 vs. Q2 2023
Shares held
3.85M
+105.1K (+2.8%) vs. Q2 2023
Total value
$79.1M
−$5.78M (−6.8%) vs. Q2 2023
New holders
6
20 more added
Sold out
1
14 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 63 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 heldQ3 2023: $79.1M
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, Q3 2023

Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q2 2023.

Institutions holding MNSB in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Banc Funds Co LLC606,371$12.5M1.46%00.0%Unchanged
Alliancebernstein L.P.551,342$11.3M0.00%+39,472+7.7%Added
Wellington Management Group LLP549,653$11.3M0.00%00.0%Unchanged
Vanguard Group Inc365,139$7.50M0.00%+3,096+0.9%Added
BlackRock Inc.321,347$6.60M0.00%+38,855+13.8%Added
First Manhattan Co266,640$5.48M0.02%+31,277+13.3%Added
Elizabeth Park Capital Advisors, Ltd.169,355$3.48M2.86%00.0%Unchanged
Geode Capital Management, LLC125,263$2.57M0.00%+2,482+2.0%Added
Cutler Capital Management, LLC97,584$2.00M0.90%+6,084+6.6%Added
State Street Corp76,018$1.56M0.00%+1,068+1.4%Added
Dimensional Fund Advisors LP74,903$1.54M0.00%−746−1.0%Reduced
Bridgeway Capital Management, LLC69,140$1.42M0.03%−672−1.0%Reduced
Northern Trust Corp54,684$1.12M0.00%−510−0.9%Reduced
JCSD Capital, LLC54,135$1.11M2.28%−497−0.9%Reduced
Cresset Asset Management, LLC50,931$1.05M0.01%+62+0.1%Added
Salzhauer Michael38,382$788.4K0.86%00.0%Unchanged
Acadian Asset Management LLC38,336$786.0K0.00%−770−2.0%Reduced
BHZ Capital Management, LP36,898$757.9K0.83%+4,229+12.9%Added
Empowered Funds, LLC31,040$637.6K0.02%+2,528+8.9%Added
Bank of New York Mellon Corp24,033$493.6K0.00%+878+3.8%Added
Creative Planning21,000$431.3K0.00%00.0%Unchanged
Charles Schwab Investment Management Inc18,928$388.8K0.00%00.0%Unchanged
ELCO Management Co., LLC17,977$369.2K0.27%00.0%Unchanged
Renaissance Technologies LLC17,100$351.0K0.00%−3,549−17.2%Reduced
First Trust Advisors LP16,756$344.2K0.00%+16,756New
Forum Financial Management, LP13,439$276.0K0.01%00.0%Unchanged
Citadel Advisors LLC12,742$261.7K0.00%+12,742New
Sandy Spring Bank12,600$258.8K0.01%00.0%Unchanged
Provident Wealth Management, LLC12,294$252.5K0.12%00.0%Unchanged
Bank of America Corp12,123$249.0K0.00%+2,503+26.0%Added
Morgan Stanley11,719$240.7K0.00%+1,088+10.2%Added
Barclays PLC9,517$195.5K0.00%+2,025+27.0%Added
Caldwell Sutter Capital, Inc.8,818$181.1K0.10%00.0%Unchanged
Rhumbline Advisers7,135$146.5K0.00%+340+5.0%Added
Spire Wealth Management6,562$134.8K0.01%00.0%Unchanged
Royal Bank of Canada5,145$106.0K0.00%−71−1.4%Reduced
JPMorgan Chase & Co4,526$93.0K0.00%−1,281−22.1%Reduced
New York State Common Retirement Fund4,457$91.5K0.00%+57+1.3%Added
Hillsdale Investment Management Inc.4,200$86.3K0.01%00.0%Unchanged
UBS Group AG3,905$80.2K0.00%−213−5.2%Reduced
MetLife Investment Management3,778$77.6K0.00%00.0%Unchanged
American International Group, Inc.3,476$71.4K0.00%+123+3.7%Added
Allspring Global Investments Holdings, LLC3,237$66.5K0.00%+3,237New
BNP Paribas Arbitrage, SA2,740$56.3K0.00%+942+52.4%Added
US Bancorp2,000$41.1K0.00%00.0%Unchanged
Wells Fargo & Company1,717$35.3K0.00%−932−35.2%Reduced
Toth Financial Advisory Corp1,698$34.9K0.01%+2+0.1%Added
LSV Asset Management1,600$33.0K0.00%00.0%Unchanged
California State Teachers Retirement System1,537$31.6K0.00%−780−33.7%Reduced
Bourgeon Capital Management LLC1,050$21.6K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)1,040$21.4K0.00%+686+193.8%Added
Globeflex Capital L P813$16.7K0.00%−228−21.9%Reduced
Amalgamated Bank678$14.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.670$13.8K0.00%−8,179−92.4%Reduced
Legal & General Group Plc639$13.1K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.575$11.8K0.00%00.0%Unchanged
Metropolitan Life Insurance Co391$8.03K0.00%00.0%Unchanged
Salem Investment Counselors Inc300$6.16K0.00%00.0%Unchanged
Covestor Ltd29$1.00K0.00%+29New
FMR LLC46$9450.00%00.0%Unchanged
Russell Investments Group, Ltd.10$2050.00%+10New
Citigroup Inc3$620.00%−2,072−99.9%Reduced
CWM, LLC4$00.00%+4New
Millennium Management LLC0$00.00%−44,964−100.0%Sold out
EA Series Trust––––Not filed