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NB Bancorp (NBBK) Institutional Ownership

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$18.89 -0.01 (-0.05%)
Closing price 08/29/2025 04:00 PM Eastern
Extended Trading
$18.89 0.00 (-0.03%)
As of 08/29/2025 04:20 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for NB Bancorp (NASDAQ:NBBK)

Number of
Institutional Buyers
(last 12 months)
75
Total
Institutional Inflows
(last 12 months)
$65.60M
Number of
Institutional Sellers
(last 12 months)
40
Total
Institutional Outflows
(last 12 months)
$42.03M
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Skip Chart & View Institutional Buying and Selling Data

NBBK Institutional Buying and Selling by Quarter

NB Bancorp Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/19/2025 State of Wyoming16,365$292K0.0%+38.9%0.041%
8/15/2025 Tower Research Capital LLC TRC 8,022$143K0.0%+464.9%0.020%
8/15/2025 Raffles Associates LP31,136$556K0.6%+179.6%0.078%
8/15/2025 Rafferty Asset Management LLC35,629$636K0.0%+8.3%0.089%
8/15/2025 EJF Capital LLC167,830$3.00M2.4%+139.9%0.421%
8/15/2025 BNP Paribas Financial Markets36,539$653K0.0%-27.2%0.092%
8/15/2025 Bank of America Corp DE129,952$2.32M0.0%-57.2%0.326%
8/15/2025 Ameriprise Financial Inc.88,900$1.59M0.0%+12.1%0.223%
8/14/2025 PDT Partners LLC12,803$229K0.0%-65.7%0.032%
8/14/2025 Jane Street Group LLC26,684$477K0.0%-51.1%0.067%
8/14/2025 California State Teachers Retirement System35,234$629K0.0%-1.9%0.088%
8/14/2025 Occudo Quantitative Strategies LP23,845$426K0.0%N/A0.060%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.19,185$343K0.0%-17.0%0.048%
8/14/2025 The Manufacturers Life Insurance Company 12,498$223K0.0%-7.2%0.031%
8/14/2025 Qube Research & Technologies Ltd100,672$1.80M0.0%+26.5%0.253%
8/13/2025 Marshall Wace LLP315,460$5.63M0.0%+165.9%0.778%
8/13/2025 Pertento Partners LLP2,114,336$37.76M3.4%+6.8%5.212%
8/13/2025 Invesco Ltd.42,744$763K0.0%+44.2%0.105%
8/13/2025 Panagora Asset Management Inc.225,581$4.03M0.0%+24.4%0.556%
8/12/2025 XTX Topco Ltd52,620$940K0.0%N/A0.130%
8/12/2025 American Century Companies Inc.61,935$1.11M0.0%+141.0%0.153%
8/12/2025 Rhumbline Advisers60,519$1.08M0.0%+19.1%0.149%
8/12/2025 Legal & General Group Plc62,014$1.11M0.0%+3.7%0.153%
8/12/2025 JPMorgan Chase & Co.100,066$1.79M0.0%-52.9%0.247%
8/12/2025 Swiss National Bank75,900$1.36M0.0%-3.4%0.187%
8/8/2025 Intech Investment Management LLC15,980$285K0.0%-18.8%0.039%
8/8/2025 Creative Planning19,108$341K0.0%-34.3%0.047%
8/8/2025 SG Americas Securities LLC14,525$259K0.0%-33.6%0.036%
8/8/2025 Geode Capital Management LLC883,141$15.78M0.0%-2.1%2.177%
8/7/2025 Los Angeles Capital Management LLC38,457$687K0.0%N/A0.095%
8/5/2025 Aviance Capital Partners LLC37,167$664K0.1%+4.0%0.092%
8/4/2025 Flagship Harbor Advisors LLC11,914$213K0.0%N/A0.029%
8/1/2025 Y Intercept Hong Kong Ltd28,795$514K0.0%N/A0.071%
7/29/2025 Northeast Investment Management16,000$286K0.0%+33.3%0.039%
7/29/2025 International Assets Investment Management LLC86,900$1.55M0.1%+59.2%0.214%
7/21/2025 Hennessy Advisors Inc.180,000$3.22M0.1%-7.7%0.444%
7/17/2025 SummerHaven Investment Management LLC50,826$908K0.6%+1.7%0.125%
7/15/2025 Great Oak Capital Partners LLC61,654$1.17M0.3%-66.8%0.152%
7/15/2025 Public Employees Retirement System of Ohio10,788$193K0.0%N/A0.027%
7/15/2025 Lynch & Associates IN56,851$1.02M0.2%-5.6%0.140%
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6/18/2025 Voya Investment Management LLC11,601$210K0.0%-9.7%0.029%
5/29/2025 Rhumbline Advisers50,805$918K0.0%-34.6%0.125%
5/20/2025 Focus Partners Wealth85,320$1.54M0.0%-4.1%0.210%
5/19/2025 Jane Street Group LLC54,613$987K0.0%+54.3%0.135%
5/16/2025 Goldman Sachs Group Inc.471,423$8.52M0.0%-18.9%1.162%
5/16/2025 Millennium Management LLC253,543$4.58M0.0%+13.1%0.606%
5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.23,127$418K0.0%+4.4%0.055%
5/16/2025 Integrated Wealth Concepts LLC52,370$946K0.0%-18.7%0.125%
5/16/2025 EJF Capital LLC69,963$1.26M0.8%+56.8%0.167%
5/16/2025 AQR Capital Management LLC13,998$253K0.0%N/A0.033%
5/15/2025 PDT Partners LLC37,286$674K0.0%+78.5%0.089%
5/15/2025 Royal Bank of Canada14,926$270K0.0%-7.6%0.036%
5/15/2025 Quarry LP1,452$26K0.0%N/A0.003%
5/15/2025 Panagora Asset Management Inc.181,282$3.28M0.0%+24.9%0.433%
5/15/2025 State of Wyoming11,782$213K0.0%+40.9%0.028%
5/14/2025 Rafferty Asset Management LLC32,909$595K0.0%+13.3%0.079%
5/14/2025 Hotchkis & Wiley Capital Management LLC526,810$9.52M0.0%-3.1%1.259%
5/14/2025 Martingale Asset Management L P15,500$280K0.0%N/A0.037%
5/14/2025 Wellington Management Group LLP1,610,589$29.10M0.0%+7.8%3.849%
5/13/2025 American Century Companies Inc.25,697$464K0.0%+8.0%0.061%
5/13/2025 Piper Sandler & CO.40,000$716K0.5%N/A0.096%
5/12/2025 Nuveen LLC132,258$2.39M0.0%N/A0.316%
5/12/2025 Invesco Ltd.29,632$535K0.0%+52.1%0.071%
5/12/2025 Swiss National Bank78,600$1.42M0.0%+4.8%0.188%
5/9/2025 Deutsche Bank AG180,815$3.27M0.0%-1.9%0.432%
5/9/2025 Charles Schwab Investment Management Inc.311,436$5.63M0.0%-2.5%0.744%
5/9/2025 Vanguard Group Inc.2,108,757$38.11M0.0%+1.1%5.040%
5/2/2025 Victory Capital Management Inc.116,199$2.10M0.0%-1.6%0.278%
4/29/2025 Aviance Capital Partners LLC35,733$646K0.1%N/A0.085%
4/23/2025 International Assets Investment Management LLC54,600$987K0.0%N/A0.130%
4/17/2025 Lynch & Associates IN60,226$1.09M0.2%-11.9%0.144%
4/16/2025 Hennessy Advisors Inc.195,000$3.52M0.1%-4.9%0.466%
4/16/2025 SummerHaven Investment Management LLC49,977$903K0.6%+1.5%0.119%
4/15/2025 Northeast Investment Management12,000$217K0.0%N/A0.029%
4/15/2025 SG Americas Securities LLC21,871$395K0.0%-14.6%0.052%
4/14/2025 Investment Advisory Group LLC20,000$361K0.1%N/A0.048%
4/8/2025 Rhumbline Advisers50,805$918K0.0%-34.6%0.121%
4/7/2025 GAMMA Investing LLC4,987$90K0.0%+1,720.1%0.012%
2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC47,471$857K0.0%-7.4%0.111%
2/17/2025 Two Sigma Advisers LP37,400$675K0.0%+259.6%0.088%
2/17/2025 Two Sigma Investments LP112,105$2.03M0.0%-11.6%0.262%
2/17/2025 State of Wyoming8,361$151K0.0%-22.7%0.020%
2/17/2025 Rafferty Asset Management LLC29,046$525K0.0%-48.0%0.068%
2/17/2025 ProShare Advisors LLC10,965$198K0.0%N/A0.026%
2/17/2025Nuveen Asset Management LLC99,384$1.80M0.0%+34.9%0.233%
2/17/2025 Millennium Management LLC224,170$4.05M0.0%+143.6%0.525%
2/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.22,152$400K0.0%+3.7%0.052%
2/17/2025 Janus Henderson Group PLC24,871$449K0.0%-5.0%0.058%
2/17/2025 Focus Partners Wealth89,000$1.61M0.0%N/A0.208%
2/17/2025 D. E. Shaw & Co. Inc.11,733$212K0.0%N/A0.027%
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2/17/2025 Deutsche Bank AG184,409$3.33M0.0%+7.7%0.432%
2/17/2025 Bank of America Corp DE312,699$5.65M0.0%-39.6%0.732%
2/17/2025 BNP Paribas Financial Markets72,820$1.32M0.0%-4.6%0.170%
2/17/2025 Ameriprise Financial Inc.79,500$1.44M0.0%+79.5%0.186%
2/14/2025 PDT Partners LLC20,883$377K0.0%-32.1%0.049%
2/14/2025 Schonfeld Strategic Advisors LLC14,400$260K0.0%N/A0.034%
2/14/2025 Northern Trust Corp358,539$6.48M0.0%+4.7%0.839%
2/14/2025 Tudor Investment Corp ET AL25,480$460K0.0%-51.6%0.060%
2/14/2025 Integrated Wealth Concepts LLC64,404$1.16M0.0%-13.3%0.151%
2/14/2025 Price T Rowe Associates Inc. MD15,032$272K0.0%+18.0%0.035%
(Data available from 1/1/2016 forward)

NBBK Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of NBBK shares?

During the previous two years, 102 institutional investors and hedge funds held shares of NB Bancorp. The most heavily invested institutionals were Vanguard Group Inc. ($38.11M), Pertento Partners LLP ($37.76M), Wellington Management Group LLP ($29.10M), State Street Corp ($18.46M), Geode Capital Management LLC ($15.78M), Hotchkis & Wiley Capital Management LLC ($9.52M), and Goldman Sachs Group Inc. ($8.52M).Learn more on NB Bancorp's institutional investors.

Which institutional investors have been buying NB Bancorp's stock?

Of the 89 institutional investors that purchased NB Bancorp's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Vanguard Group Inc. ($2.00M), Wellington Management Group LLP ($945.53K), Great Oak Capital Partners LLC ($424.24K), Stieven Capital Advisors L.P. ($368.73K), Hotchkis & Wiley Capital Management LLC ($330.21K), EJF Capital LLC ($308.83K), and Prospector Partners LLC ($242.27K).

How much institutional buying is happening at NB Bancorp?

Institutional investors have bought a total of 3,599,999 shares in the last 24 months. This purchase volume represents approximately $65.60M in transactions.

Which of NB Bancorp's major shareholders have been selling company stock?

Of the 40 institutional investors that sold NB Bancorp's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Bank of America Corp DE ($378.94K), Pertento Partners LLP ($376.84K), Vanguard Group Inc. ($228.04K), Raffles Associates LP ($211.87K), Alliancebernstein L.P. ($206.28K), Stieven Capital Advisors L.P. ($166.59K), and Great Oak Capital Partners LLC ($133.03K).

How much institutional selling is happening at NB Bancorp?

Institutional investors have sold a total of 2,322,981 shares in the last 24 months. This volume of shares sold represents approximately $42.03M in transactions.


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This page (NASDAQ:NBBK) was last updated on 8/30/2025 by MarketBeat.com Staff
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