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NASDAQ: NBBK
Nb Bancorp Inc Stock Ownership - Who owns Nb Bancorp?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Nb Bancorp Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Joseph P. CampanelliPresident CEO2026-05-15247$19.21
$4.74kBuy
Joseph P. CampanelliPresident CEO2026-05-15100$19.21
$1.92kBuy
Joseph P. CampanelliPresident CEO2026-05-15253$19.20
$4.86kBuy
Joseph P. CampanelliPresident CEO2026-05-15500$19.19
$9.60kBuy
Joseph P. CampanelliPresident CEO2026-05-15500$19.16
$9.58kBuy
Joseph P. CampanelliPresident CEO2026-05-15133$19.17
$2.55kBuy
Joseph P. CampanelliPresident CEO2026-05-15400$19.18
$7.67kBuy
Joseph P. CampanelliPresident CEO2026-05-15100$19.18
$1.92kBuy
Joseph P. CampanelliPresident CEO2026-05-15767$19.18
$14.71kBuy
Mark WhalenDirector2026-04-244,918$19.82
$97.47kSell

1 of 4

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Net Insider Buy/Sell (L12M) Ownership

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NBBK Shareholders

What type of owners hold Nb Bancorp Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc6.90%3,084,222$64.83MInstitution
Pertento Partners LLP4.94%2,206,666$46.38MInstitution
Vanguard Capital Management LLC3.81%1,703,928$35.82MInstitution
Altravue Capital LLC2.92%1,304,080$27.41MInstitution
State Street Corp2.89%1,293,538$27.19MInstitution
Geode Capital Management LLC2.46%1,098,930$23.10MInstitution
Wellington Management Group LLP1.59%710,000$14.92MInstitution
Goldman Sachs Group Inc 11.55%691,668$14.54MInstitution
Tieton Capital Management LLC1.24%553,570$11.64MInstitution
Dimensional Fund Advisors LP1.17%522,384$10.98MInstitution

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NBBK vs Bank Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
NBBK51.63%5.40%Net SellingNet Selling
HAFC77.72%22.28%Net SellingNet Selling
TRST72.54%27.46%Net SellingNet Buying
CAC74.21%6.21%Net BuyingNet Buying
THFF79.14%20.86%Net Selling
View Top Bank Stocks

Nb Bancorp Stock Ownership FAQ

Who owns Nb Bancorp?

Nb Bancorp (NASDAQ: NBBK) is owned by 51.63% institutional shareholders, 5.40% Nb Bancorp insiders, and 42.98% retail investors. Joseph P. Campanelli is the largest individual Nb Bancorp shareholder, owning 481,937.00 shares representing 1.08% of the company. Joseph P. Campanelli's Nb Bancorp shares are currently valued at $10.06M.

If you're new to stock investing, here's how to buy Nb Bancorp stock.
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