NB Bancorp, Inc. Common Stock (NBBK) Ownership

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NB Bancorp Inc. Major Shareholders & Ownership History

Major Shareholder Name Reporting Date Shares Held Market Value Change in Shares Ownership
BLACKROCK, INC. 08/07/2026 3.33 M $70.40 M   8.02% 8.13%
VANGUARD CAPITAL MANAGEMENT LLC 08/13/2026 1.67 M $35.30 M   -1.94% 4.08%
ALTRAVUE CAPITAL, LLC 08/13/2026 1.66 M $34.97 M   26.92% 4.04%
PERTENTO PARTNERS LLP 08/13/2026 1.48 M $31.18 M   -33.12% 3.60%
STATE STREET CORP 08/07/2026 1.47 M $31.10 M   13.78% 3.59%
GEODE CAPITAL MANAGEMENT, LLC 08/12/2026 1.15 M $24.37 M   4.94% 2.81%
DIMENSIONAL FUND ADVISORS LP 08/11/2026 753.32 K $15.92 M   44.21% 1.84%
GOLDMAN SACHS GROUP INC 08/14/2026 571.95 K $12.09 M   -17.31% 1.40%
TIETON CAPITAL MANAGEMENT, LLC 08/10/2026 546.60 K $11.55 M   -1.26% 1.33%
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 08/14/2026 501.17 K $10.59 M   11.18% 1.22%
NUVEEN, LLC 08/11/2026 498.87 K $10.54 M   2.22% 1.22%
FMR LLC 08/13/2026 497.31 K $10.51 M   13.61% 1.21%
VANGUARD PORTFOLIO MANAGEMENT LLC 08/13/2026 397.05 K $8.39 M   2.83% 0.97%
LEGATO CAPITAL MANAGEMENT LLC 08/06/2026 366.09 K $7.74 M   32.61% 0.89%
NORTHERN TRUST CORP 08/13/2026 360.49 K $7.62 M   7.49% 0.88%
NEW YORK STATE COMMON RETIREMENT FUND 07/29/2026 346.16 K $7.31 M   32.84% 0.84%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 08/14/2026 318.61 K $6.73 M   0.08% 0.78%
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. 08/14/2026 318.61 K $6.73 M   100.00% 0.78%
CITADEL ADVISORS LLC 09/02/2026 289.81 K $6.12 M   149.04% 0.71%
TWO SIGMA INVESTMENTS, LP 08/14/2026 277.03 K $5.85 M   -25.49% 0.68%
AMERICAN CENTURY COMPANIES INC 08/12/2026 261.87 K $5.53 M   -0.68% 0.64%
VANGUARD FIDUCIARY TRUST CO 08/13/2026 253.95 K $5.37 M   -0.03% 0.62%
MORGAN STANLEY 08/13/2026 229.19 K $4.84 M   -18.11% 0.56%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 08/14/2026 221.40 K $4.68 M   6.24% 0.54%
EMPOWERED FUNDS, LLC 08/17/2026 181.40 K $3.83 M   7.72% 0.44%
HENNESSY ADVISORS INC 07/16/2026 178.00 K $3.76 M   -1.11% 0.43%
BANK OF NEW YORK MELLON CORP 08/06/2026 171.54 K $3.62 M   15.85% 0.42%
D. E. SHAW & CO., INC. 08/14/2026 149.93 K $3.17 M   113.02% 0.37%
SEI INVESTMENTS CO 08/14/2026 142.35 K $3.01 M   -52.89% 0.35%
FIRST TRUST ADVISORS LP 08/11/2026 142.25 K $3.01 M   1.42% 0.35%
UBS GROUP AG 08/13/2026 140.41 K $2.97 M   84.45% 0.34%
RENAISSANCE TECHNOLOGIES LLC 08/13/2026 131.44 K $2.78 M   -50.19% 0.32%
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 07/22/2026 131.01 K $2.83 M   0.00% 0.32%
ALLIANCEBERNSTEIN L.P. 08/14/2026 130.22 K $2.74 M   0.00% 0.32%
PANAGORA ASSET MANAGEMENT INC 08/06/2026 129.36 K $2.73 M   -13.82% 0.32%
QUBE RESEARCH & TECHNOLOGIES LTD 08/14/2026 127.24 K $2.69 M   -27.32% 0.31%
FINANCIAL ENGINES ADVISORS L.L.C. 08/14/2026 126.79 K $2.68 M   0.85% 0.31%
MARSHALL WACE, LLP 08/13/2026 123.11 K $2.60 M   100.00% 0.30%
AQR CAPITAL MANAGEMENT LLC 08/14/2026 116.35 K $2.46 M   -9.68% 0.28%
MANGROVE PARTNERS 08/14/2026 111.36 K $2.35 M   0.00% 0.27%
INVESCO LTD. 08/14/2026 97.94 K $2.07 M   -3.26% 0.24%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 08/14/2026 85.40 K $1.80 M   -35.60% 0.21%
OPPENHEIMER & CLOSE, LLC 08/12/2026 83.00 K $1.75 M   0.00% 0.20%
MILLENNIUM MANAGEMENT LLC 08/14/2026 81.45 K $1.72 M   -48.53% 0.20%
SWISS NATIONAL BANK 08/11/2026 77.10 K $1.63 M   0.00% 0.19%
CREDIT AGRICOLE S A 08/14/2026 70.00 K $1.48 M   0.00% 0.17%
MACKENZIE FINANCIAL CORP 08/13/2026 67.44 K $1.43 M   32.50% 0.16%
CREATIVE PLANNING 08/13/2026 67.32 K $1.42 M   -5.06% 0.16%
ROUND ROCK ADVISORS, LLC 08/12/2026 66.53 K $1.41 M   0.09% 0.16%
COLONY GROUP, LLC 08/12/2026 65.73 K $1.39 M   -29.18% 0.16%

NB Bancorp Inc. institutional Ownership - FAQ's

During the previous two years, 205 institutional investors and hedge funds held shares of NB Bancorp Inc.. The most heavily invested institutionals were:

BlackRock, Inc.: 3.33 M

VANGUARD CAPITAL MANAGEMENT LLC: 1.67 M

AltraVue Capital, LLC: 1.66 M

Pertento Partners LLP: 1.48 M

STATE STREET CORP: 1.47 M

GEODE CAPITAL MANAGEMENT, LLC: 1.15 M

55.63% of NB Bancorp Inc. stock is owned by institutional investors.

Institutional investors have bought a total of 28.63 M shares in the last 24 months. This purchase volume represents approximately $598.61 M in transactions.