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NB Bancorp (NBBK) Institutional Ownership

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$17.58 -0.26 (-1.46%)
Closing price 04:00 PM Eastern
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$17.58 0.00 (-0.03%)
As of 04:10 PM Eastern
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Institutional Ownership Changes (13F Filings) for NB Bancorp (NASDAQ:NBBK)

Number of
Institutional Buyers
(last 12 months)
73
Total
Institutional Inflows
(last 12 months)
$65.35M
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
8/19/2025State of Wyoming16,365$292K0.0%+38.9%0.041%
8/15/2025Tower Research Capital LLC TRC 8,022$143K0.0%+464.9%0.020%
8/15/2025Raffles Associates LP31,136$556K0.6%+179.6%0.078%
8/15/2025Rafferty Asset Management LLC35,629$636K0.0%+8.3%0.089%
8/15/2025EJF Capital LLC167,830$3.00M2.4%+139.9%0.421%
8/15/2025BNP Paribas Financial Markets36,539$653K0.0%-27.2%0.092%
8/15/2025Bank of America Corp DE129,952$2.32M0.0%-57.2%0.326%
8/15/2025Ameriprise Financial Inc.88,900$1.59M0.0%+12.1%0.223%
8/14/2025PDT Partners LLC12,803$229K0.0%-65.7%0.032%
8/14/2025Jane Street Group LLC26,684$477K0.0%-51.1%0.067%
8/14/2025California State Teachers Retirement System35,234$629K0.0%-1.9%0.088%
8/14/2025Occudo Quantitative Strategies LP23,845$426K0.0%N/A0.060%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.19,185$343K0.0%-17.0%0.048%
8/14/2025The Manufacturers Life Insurance Company 12,498$223K0.0%-7.2%0.031%
8/14/2025Qube Research & Technologies Ltd100,672$1.80M0.0%+26.5%0.253%
8/13/2025Marshall Wace LLP315,460$5.63M0.0%+165.9%0.778%
8/13/2025Pertento Partners LLP2,114,336$37.76M3.4%+6.8%5.212%
8/13/2025Invesco Ltd.42,744$763K0.0%+44.2%0.105%
8/13/2025Panagora Asset Management Inc.225,581$4.03M0.0%+24.4%0.556%
8/12/2025XTX Topco Ltd52,620$940K0.0%N/A0.130%
8/12/2025American Century Companies Inc.61,935$1.11M0.0%+141.0%0.153%
8/12/2025Rhumbline Advisers60,519$1.08M0.0%+19.1%0.149%
8/12/2025Legal & General Group Plc62,014$1.11M0.0%+3.7%0.153%
8/12/2025JPMorgan Chase & Co.100,066$1.79M0.0%-52.9%0.247%
8/12/2025Swiss National Bank75,900$1.36M0.0%-3.4%0.187%
8/8/2025Intech Investment Management LLC15,980$285K0.0%-18.8%0.039%
8/8/2025Creative Planning19,108$341K0.0%-34.3%0.047%
8/8/2025SG Americas Securities LLC14,525$259K0.0%-33.6%0.036%
8/8/2025Geode Capital Management LLC883,141$15.78M0.0%-2.1%2.177%
8/7/2025Los Angeles Capital Management LLC38,457$687K0.0%N/A0.095%
8/5/2025Aviance Capital Partners LLC37,167$664K0.1%+4.0%0.092%
8/4/2025Flagship Harbor Advisors LLC11,914$213K0.0%N/A0.029%
8/1/2025Y Intercept Hong Kong Ltd28,795$514K0.0%N/A0.071%
7/29/2025Northeast Investment Management16,000$286K0.0%+33.3%0.039%
7/29/2025International Assets Investment Management LLC86,900$1.55M0.1%+59.2%0.214%
7/21/2025Hennessy Advisors Inc.180,000$3.22M0.1%-7.7%0.444%
7/17/2025SummerHaven Investment Management LLC50,826$908K0.6%+1.7%0.125%
7/15/2025Great Oak Capital Partners LLC61,654$1.17M0.3%-66.8%0.152%
7/15/2025Public 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%
6/18/2025 Voya Investment Management LLC11,601$210K0.0%-9.7%0.029%
5/29/2025Rhumbline Advisers50,805$918K0.0%-34.6%0.125%
5/20/2025Focus Partners Wealth85,320$1.54M0.0%-4.1%0.210%
5/19/2025Jane Street Group LLC54,613$987K0.0%+54.3%0.135%
5/16/2025Goldman Sachs Group Inc.471,423$8.52M0.0%-18.9%1.162%
5/16/2025Millennium Management LLC253,543$4.58M0.0%+13.1%0.606%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.23,127$418K0.0%+4.4%0.055%
5/16/2025Integrated Wealth Concepts LLC52,370$946K0.0%-18.7%0.125%
5/16/2025EJF Capital LLC69,963$1.26M0.8%+56.8%0.167%
5/16/2025AQR Capital Management LLC13,998$253K0.0%N/A0.033%
5/15/2025PDT Partners LLC37,286$674K0.0%+78.5%0.089%
5/15/2025Royal Bank of Canada14,926$270K0.0%-7.6%0.036%
5/15/2025Quarry LP1,452$26K0.0%N/A0.003%
5/15/2025Panagora Asset Management Inc.181,282$3.28M0.0%+24.9%0.433%
5/15/2025State of Wyoming11,782$213K0.0%+40.9%0.028%
5/14/2025Rafferty Asset Management LLC32,909$595K0.0%+13.3%0.079%
5/14/2025Hotchkis & Wiley Capital Management LLC526,810$9.52M0.0%-3.1%1.259%
5/14/2025Martingale Asset Management L P15,500$280K0.0%N/A0.037%
5/14/2025Wellington Management Group LLP1,610,589$29.10M0.0%+7.8%3.849%
5/13/2025American Century Companies Inc.25,697$464K0.0%+8.0%0.061%
5/13/2025Piper Sandler & CO.40,000$716K0.5%N/A0.096%
5/12/2025Nuveen LLC132,258$2.39M0.0%N/A0.316%
5/12/2025Invesco Ltd.29,632$535K0.0%+52.1%0.071%
5/12/2025Swiss National Bank78,600$1.42M0.0%+4.8%0.188%
5/9/2025Deutsche Bank AG180,815$3.27M0.0%-1.9%0.432%
5/9/2025Charles Schwab Investment Management Inc.311,436$5.63M0.0%-2.5%0.744%
5/9/2025Vanguard Group Inc.2,108,757$38.11M0.0%+1.1%5.040%
5/2/2025Victory Capital Management Inc.116,199$2.10M0.0%-1.6%0.278%
4/29/2025Aviance Capital Partners LLC35,733$646K0.1%N/A0.085%
4/23/2025International Assets Investment Management LLC54,600$987K0.0%N/A0.130%
4/17/2025Lynch & Associates IN60,226$1.09M0.2%-11.9%0.144%
4/16/2025Hennessy Advisors Inc.195,000$3.52M0.1%-4.9%0.466%
4/16/2025SummerHaven Investment Management LLC49,977$903K0.6%+1.5%0.119%
4/15/2025Northeast Investment Management12,000$217K0.0%N/A0.029%
4/15/2025SG Americas Securities LLC21,871$395K0.0%-14.6%0.052%
4/14/2025Investment Advisory Group LLC20,000$361K0.1%N/A0.048%
4/8/2025Rhumbline Advisers50,805$918K0.0%-34.6%0.121%
4/7/2025GAMMA Investing LLC4,987$90K0.0%+1,720.1%0.012%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC47,471$857K0.0%-7.4%0.111%
2/17/2025Two Sigma Advisers LP37,400$675K0.0%+259.6%0.088%
2/17/2025Two Sigma Investments LP112,105$2.03M0.0%-11.6%0.262%
2/17/2025State of Wyoming8,361$151K0.0%-22.7%0.020%
2/17/2025Rafferty Asset Management LLC29,046$525K0.0%-48.0%0.068%
2/17/2025ProShare Advisors LLC10,965$198K0.0%N/A0.026%
2/17/2025Nuveen Asset Management LLC99,384$1.80M0.0%+34.9%0.233%
2/17/2025Millennium Management LLC224,170$4.05M0.0%+143.6%0.525%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.22,152$400K0.0%+3.7%0.052%
2/17/2025Janus Henderson Group PLC24,871$449K0.0%-5.0%0.058%
2/17/2025Focus Partners Wealth89,000$1.61M0.0%N/A0.208%
2/17/2025D. E. Shaw & Co. Inc.11,733$212K0.0%N/A0.027%
2/17/2025Deutsche Bank AG184,409$3.33M0.0%+7.7%0.432%
2/17/2025Bank of America Corp DE312,699$5.65M0.0%-39.6%0.732%
2/17/2025BNP Paribas Financial Markets72,820$1.32M0.0%-4.6%0.170%
2/17/2025Ameriprise Financial Inc.79,500$1.44M0.0%+79.5%0.186%
2/14/2025PDT Partners LLC20,883$377K0.0%-32.1%0.049%
2/14/2025Schonfeld Strategic Advisors LLC14,400$260K0.0%N/A0.034%
2/14/2025Northern Trust Corp358,539$6.48M0.0%+4.7%0.839%
2/14/2025Tudor Investment Corp ET AL25,480$460K0.0%-51.6%0.060%
2/14/2025Integrated Wealth Concepts LLC64,404$1.16M0.0%-13.3%0.151%
2/14/2025Price 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 3,586,410 shares in the last 24 months. This purchase volume represents approximately $65.35M 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 10/15/2025 by MarketBeat.com Staff
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