— Know what they know.
Not Investment Advice

NBBK NASDAQ

NB Bancorp, Inc. Common Stock
1W: +1.3% 1M: -7.0% 3M: -10.2% YTD: +2.1% 1Y: +15.0%
$19.78
-0.10 (-0.50%)
 
Weekly Expected Move ±6.3%
$17 $18 $19 $20 $22
NASDAQ · Financial Services · Banks - Regional · Alpha Radar Sell · Power 42 · $820.9M mcap · 36M float · 0.891% daily turnover · Short 49% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
192
Institutions Holding
+14 vs prior
55.0%
Ownership
+1.85%
30 New
56 Increased
72 Reduced
33 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-04-24 Roberts Christine officer: sevp and coo F-Tax Withholding 3,589 $19.82 $71K Filing
2026-04-24 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 722 $19.45 $14K Filing
2026-04-24 Lynch Christopher R. director F-Tax Withholding 4,150 $19.82 $82K Filing
2026-04-24 Montgomery Kenneth C. director F-Tax Withholding 5,015 $19.82 $99K Filing
2026-04-24 NOLAN JOSEPH R JR director F-Tax Withholding 4,918 $19.82 $97K Filing
2026-04-24 Whalen Mark director F-Tax Withholding 4,918 $19.82 $97K Filing
2026-04-24 Darcey William director F-Tax Withholding 4,918 $19.82 $97K Filing
2026-04-24 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 500 $19.62 $10K Filing
2026-04-24 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 100 $19.47 $2K Filing
2026-04-24 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 178 $19.46 $3K Filing
2026-04-24 Pascucci Hope director P-Purchase 10,000 $19.49 $195K Filing
2026-04-24 CAMPANELLI JOSEPH P officer: president & ceo F-Tax Withholding 24,371 $19.82 $483K Filing
2026-04-24 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 320 $19.33 $6K Filing
2026-04-24 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 180 $19.34 $3K Filing
2026-04-24 Jackson Angela director F-Tax Withholding 4,918 $19.82 $97K Filing
2026-03-19 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 2,500 $20.16 $50K Filing
2026-03-09 Schulman Matthew G officer: evp, president needham prv bnk A-Grant/Award 6,980 $— $0 Filing
2026-03-06 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 3,000 $20.77 $62K Filing
2026-03-06 CAMPANELLI JOSEPH P officer: president & ceo P-Purchase 2,000 $20.78 $42K Filing
2026-02-25 Daley James B. officer: evp - dir c&i banking A-Grant/Award 6,874 $— $0 Filing
2026-02-25 CAMPANELLI JOSEPH P officer: president & ceo A-Grant/Award 63,015 $— $0 Filing
2026-02-25 White James J. officer: evp, chief administrative offc A-Grant/Award 6,874 $— $0 Filing
2026-02-25 Richardson Matthew officer: evp, treasury & cash mgmt svcs A-Grant/Award 13,749 $— $0 Filing
2026-02-25 Maiona Stephanie officer: evp, dir cre banking A-Grant/Award 6,874 $— $0 Filing
2026-02-25 Lapointe Jean-Pierre officer: sevp and cfo A-Grant/Award 13,749 $— $0 Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 3,084,222 $65M -19,548 2026-03-31 Filing
Pertento Partners LLP 2,206,666 $46M -137,110 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 1,703,928 $36M +1,703,928 2026-03-31 Filing
AltraVue Capital, LLC 1,304,080 $27M +611,080 2026-03-31 Filing
STATE STREET CORP 1,293,538 $27M +179,159 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 1,098,930 $23M +132,268 2026-03-31 Filing
WELLINGTON MANAGEMENT GROUP LLP 710,000 $15M -761,189 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 691,668 $15M +97,780 2026-03-31 Filing
Tieton Capital Management, LLC 553,570 $12M +28,635 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 522,384 $11M +234,356 2026-03-31 Filing
Nuveen, LLC 488,033 $10M +141,254 2026-03-31 Filing
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 450,772 $9M -251,220 2026-03-31 Filing
FMR LLC 437,725 $9M +54,513 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 386,132 $8M +386,132 2026-03-31 Filing
NORTHERN TRUST CORP 335,360 $7M +11,047 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 318,365 $7M -11,033 2026-03-31 Filing
SEI INVESTMENTS CO 302,181 $6M +158,397 2026-03-31 Filing
RENAISSANCE TECHNOLOGIES LLC 263,906 $6M +12,632 2026-03-31 Filing
AMERICAN CENTURY COMPANIES INC 263,656 $6M +41,801 2026-03-31 Filing
NEW YORK STATE COMMON RETIREMENT FUND 260,585 $5M +116,200 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms