Free Trial

MainStreet Bank (MNSB) Institutional Ownership

MainStreet Bank logo
$21.58 +0.14 (+0.63%)
As of 12:26 PM Eastern
This is a fair market value price provided by Massive. Learn more.

Institutional Ownership Changes (13F Filings) for MainStreet Bank (NASDAQ:MNSB)

Current
Institutional Ownership
Percentage
52.29%
Number of
Institutional Buyers
(last 12 months)
27
Total
Institutional Inflows
(last 12 months)
$11.34M
Number of
Institutional Sellers
(last 12 months)
15
Total
Institutional Outflows
(last 12 months)
$11.88M
Get MNSB Insider Trade Alerts

Want to know when executives and insiders are buying or selling MainStreet Bank stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

MNSB Institutional Buying and Selling by Quarter

MainStreet Bank Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/12/2026State Street Corp108,696$2.69M0.0%-50.4%1.526%
11/11/2026 Banc Funds Co. LLC551,679$13.65M2.2%+1.1%7.748%
11/10/2026 Meeder Asset Management Inc.3,646$90K0.0%N/A0.051%
11/6/2026 Russell Investments Group Ltd.10,835$269K0.0%+10.1%0.152%
11/6/2026 R Squared Ltd8,429$209K0.1%-59.5%0.118%
11/3/2026 StoneX Group Inc.23,940$592K0.0%N/A0.336%
10/29/2026 Mirae Asset Global Investments Co. Ltd.1,190$29K0.0%N/A0.017%
10/8/2026 Toth Financial Advisory Corp7,109$176K0.0%+1,204.4%0.100%
9/9/2026 Squarepoint Ops LLC37,233$919K0.0%-26.8%0.523%
8/19/2026Wellington Management Group LLP336,961$8.32M0.0%-4.5%4.733%
6/16/2026Empowered Funds LLC34,396$764K0.0%+9.7%0.483%
5/18/2026Empowered Funds LLC34,396$764K0.0%+9.7%0.483%
5/14/2026Renaissance Technologies LLC14,400$320K0.0%-70.6%0.202%
5/14/2026Arrowstreet Capital Limited Partnership9,732$216K0.0%-15.1%0.137%
5/8/2026 Cassaday & Co Wealth Management LLC2,730$61K0.0%N/A0.037%
5/7/2026 Dimensional Fund Advisors LP166,633$3.70M0.0%+20.4%2.276%
5/5/2026 Bank of New York Mellon Corp16,826$374K0.0%-6.7%0.230%
2/18/2026Mendon Capital Advisors Corp47,312$963K0.3%+22.8%0.614%
2/18/2026Empowered Funds LLC31,362$639K0.0%+9.6%0.407%
2/18/2026Wellington Management Group LLP359,411$7.32M0.0%-12.6%4.662%
2/18/2026First Manhattan CO. LLC.188,108$3.83M0.0%-10.2%2.440%
2/18/2026Bridgeway Capital Management LLC60,742$1.24M0.0%+17.7%0.788%
2/17/2026Trexquant Investment LP11,751$239K0.0%N/A0.152%
2/16/2026 Squarepoint Ops LLC34,424$701K0.0%N/A0.446%
2/16/2026 Barclays PLC26,048$530K0.0%+16.6%0.338%
2/13/2026 Kestra Advisory Services LLC1,990$41K0.0%N/A0.026%
2/13/2026Marshall Wace LLP44,287$902K0.0%+255.6%0.574%
2/13/2026Fourthstone LLC767,792$15.63M2.9%+50.6%9.958%
2/13/2026State Street Corp73,562$1.50M0.0%+0.8%0.954%
2/13/2026Wells Fargo & Company MN7,877$160K0.0%+47.6%0.102%
2/12/2026 Banc Funds Co. LLC421,981$8.59M1.7%-26.4%5.476%
2/12/2026 Dimensional Fund Advisors LP138,351$2.82M0.0%+16.1%1.795%
2/11/2026Empowered Funds LLC31,362$639K0.0%+9.6%0.407%
2/10/2026Goldman Sachs Group Inc.11,364$231K0.0%-57.3%0.147%
2/9/2026 Geode Capital Management LLC149,969$3.05M0.0%-1.8%1.946%
2/4/2026 ELCO Management Co. LLC22,312$454K0.3%+94.7%0.289%
1/29/2026 UBS Group AG113,676$2.31M0.0%-15.7%1.474%
1/21/2026 Daytona Street Capital LLC18,000$366K0.2%N/A0.233%
1/1/2026JPMorgan Chase & Co.6,748$141K0.0%+102.7%0.088%
11/17/2025Millennium Management LLC32,052$668K0.0%+156.1%0.416%
I'm handing you this stock today (Ad)

Elon doesn't own the chip inside his Teslas or Starlink dishes. He licenses it from one little known public company. Now he's planning 1,000,000 AI satellites in orbit, and every one could pay this company a royalty. Analyst Dylan says the window to get in closes around December 8th, before new money floods into the buildout.tc pixel

Download this free stock pick before December 8th arrives
11/17/2025 Banc Funds Co. LLC573,373$11.94M2.1%-11.9%7.437%
11/17/2025Bank of America Corp DE4,840$101K0.0%-17.1%0.063%
11/17/2025Alliancebernstein L.P.674,163$14.04M0.0%+2.7%8.744%
11/14/2025 Creative Planning22,169$462K0.0%+5.6%0.288%
11/14/2025Mendon Capital Advisors Corp38,526$752K0.3%+18.8%0.500%
11/14/2025Two Sigma Investments LP10,072$210K0.0%-20.9%0.131%
11/14/2025Bridgeway Capital Management LLC51,587$1.08M0.0%-9.8%0.669%
11/14/2025Wellington Management Group LLP411,023$8.56M0.0%-1.3%5.331%
11/13/2025 UBS Group AG134,821$2.81M0.0%+3,454.5%1.749%
11/13/2025BNP Paribas Financial Markets1,761$37K0.0%+58.5%0.023%
11/13/2025 Russell Investments Group Ltd.3,671$76K0.0%N/A0.048%
11/12/2025 Dimensional Fund Advisors LP119,127$2.48M0.0%+1.6%1.545%
11/12/2025Cresset Asset Management LLC335,723$6.99M0.0%+0.4%4.354%
11/7/2025GSA Capital Partners LLP11,888$248K0.0%-16.7%0.154%
11/7/2025JPMorgan Chase & Co.6,748$141K0.0%+102.7%0.088%
11/5/2025 ELCO Management Co. LLC11,462$239K0.1%-21.8%0.149%
11/3/2025New York State Common Retirement Fund3,484$73K0.0%-35.5%0.045%
9/4/2025Osaic Holdings Inc.6,709$127K0.0%-47.5%0.087%
8/15/2025Bank of America Corp DE5,840$110K0.0%+70.4%0.076%
8/14/2025Mendon Capital Advisors Corp32,428$613K0.3%-35.6%0.421%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.3,844$73K0.0%N/A0.050%
8/14/2025Alliancebernstein L.P.656,648$12.41M0.0%+0.9%8.521%
8/14/2025Fourthstone LLC338,085$6.39M1.3%+918.4%4.387%
8/13/2025 StoneX Group Inc.23,940$452K0.0%N/A0.311%
8/13/2025Cresset Asset Management LLC334,469$6.32M0.0%-0.5%4.338%
8/13/2025New York State Common Retirement Fund5,400$102K0.0%N/A0.070%
8/12/2025JPMorgan Chase & Co.3,329$63K0.0%+66,480.0%0.043%
8/8/2025 Police & Firemen s Retirement System of New Jersey1,763$33K0.0%N/A0.023%
8/8/2025 Geode Capital Management LLC153,516$2.90M0.0%+128.4%1.994%
8/6/2025Atlantic Union Bankshares Corp12,600$238K0.0%N/A0.164%
8/4/2025 ELCO Management Co. LLC14,659$277K0.1%-27.9%0.190%
5/21/2025Acadian Asset Management LLC77,186$1.29M0.0%-1.0%1.002%
5/21/2025Mendon Capital Advisors Corp50,319$841K0.4%-2.2%0.653%
5/19/2025Jane Street Group LLC21,270$356K0.0%+33.3%0.276%
5/16/2025Empowered Funds LLC34,329$574K0.0%+3.8%0.446%
5/15/2025First Manhattan CO. LLC.244,577$4.09M0.0%-3.1%3.175%
5/14/2025Cutler Capital Management LLC86,297$1.44M0.5%-21.0%1.120%
5/14/2025Wellington Management Group LLP416,508$6.96M0.0%-2.8%5.407%
5/13/2025Cresset Asset Management LLC336,207$5.62M0.0%+5.1%4.365%
5/13/2025HighTower Advisors LLC10,627$178K0.0%N/A0.138%
5/1/2025ELCO Management Co. LLC20,329$340K0.2%-5.2%0.264%
5/1/2025Hughes Financial Services LLC5,440$91K0.0%N/A0.071%
4/23/2025Salzhauer Michael33,448$559K0.2%-20.4%0.433%
4/21/2025Provident Wealth Management LLC10,932$183K0.1%-24.9%0.141%
2/17/2025Two Sigma Investments LP15,788$286K0.0%-27.5%0.208%
2/17/2025Two Sigma Advisers LP19,600$355K0.0%-11.7%0.258%
2/17/2025Millennium Management LLC58,348$1.06M0.0%-3.5%0.768%
2/17/2025First Manhattan CO. LLC.252,393$4.57M0.0%-1.2%3.321%
2/17/2025Cresset Asset Management LLC319,870$5.79M0.0%+0.5%4.209%
2/17/2025Citadel Advisors LLC17,022$308K0.0%-26.8%0.224%
I'm handing you this stock today (Ad)

Elon doesn't own the chip inside his Teslas or Starlink dishes. He licenses it from one little known public company. Now he's planning 1,000,000 AI satellites in orbit, and every one could pay this company a royalty. Analyst Dylan says the window to get in closes around December 8th, before new money floods into the buildout.tc pixel

Download this free stock pick before December 8th arrives
2/17/2025Bank of America Corp DE4,422$80K0.0%-14.0%0.058%
2/14/2025Jane Street Group LLC15,957$289K0.0%+16.0%0.210%
2/14/2025Mendon Capital Advisors Corp51,443$931K0.5%+136.1%0.677%
2/14/2025Dimensional Fund Advisors LP87,909$1.59M0.0%+6.7%1.157%
2/13/2025Salzhauer Michael41,995$760K0.3%+11.2%0.553%
2/13/2025Fourthstone LLC83,985$1.52M0.3%+7.5%1.105%
2/13/2025Barclays PLC14,540$263K0.0%-13.2%0.191%
2/13/2025Cutler Capital Management LLC109,236$1.98M0.7%-13.9%1.437%
2/13/2025Renaissance Technologies LLC32,300$585K0.0%-15.4%0.425%
2/12/2025Geode Capital Management LLC63,589$1.15M0.0%+1.0%0.837%


MNSB Institutional Ownership - Frequently Asked Questions

During the previous two years, 53 institutional investors and hedge funds held shares of MainStreet Bank. The most heavily invested institutionals were Fourthstone LLC ($15.63M), Alliancebernstein L.P. ($14.04M), Banc Funds Co. LLC ($13.65M), Wellington Management Group LLP ($8.32M), Cresset Asset Management LLC ($6.99M), First Manhattan CO. LLC. ($3.83M), and Dimensional Fund Advisors LP ($3.70M).Learn more on MainStreet Bank's institutional investors.

52.29% of MainStreet Bank's stock is owned by institutional investors. Learn more on MNSB's institutional investor holdings.

Of the 38 institutional investors that purchased MainStreet Bank's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Fourthstone LLC ($646.73K), UBS Group AG ($131.03K), Geode Capital Management LLC ($87.75K), StoneX Group Inc. ($71.82K), Dimensional Fund Advisors LP ($54.92K), Mendon Capital Advisors Corp ($44.54K), and Squarepoint Ops LLC ($34.42K).

Institutional investors have bought a total of 543,362 shares in the last 24 months. This purchase volume represents approximately $11.34M in transactions.

Of the 15 institutional investors that sold MainStreet Bank's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Banc Funds Co. LLC ($229.03K), State Street Corp ($110.23K), Wellington Management Group LLP ($72.84K), Renaissance Technologies LLC ($34.60K), First Manhattan CO. LLC. ($21.37K), UBS Group AG ($21.15K), and Goldman Sachs Group Inc. ($15.28K).

Institutional investors have sold a total of 545,531 shares in the last 24 months. This volume of shares sold represents approximately $11.88M in transactions.



Institutional ownership data for NASDAQ:MNSB is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 11/12/2026. New 13F filings are added each quarter as they're published.
From Our Partners