Who Owns NB Bancorp, Inc. Common Stock (NBBK)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$InfinityT
% of Float Held
7.320878863987725e+273%
QoQ Change in Holders
+5 / -4
Price History
NBBK — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| AltraVue Capital, LLC | New Position | +693K | +$12.0B |
| Pertento Partners LLP | Increased | +229K | +$9.1B |
| FMR LLC | Increased | +59K | +$7.0B |
| DIMENSIONAL FUND ADVISORS LP | New Position | +288K | +$5.0B |
| ALLIANCEBERNSTEIN L.P. | Increased | +213K | +$4.3B |
| Nuveen, LLC | Increased | +238K | +$4.1B |
| HENNESSY ADVISORS INC | New Position | +181K | +$3.6B |
| RENAISSANCE TECHNOLOGIES LLC | Increased | +140K | +$2.0B |
| NEW YORK STATE COMMON RETIREMENT FUND | New Position | +144K | +$2.0B |
| GOLDMAN SACHS GROUP INC | Increased | +69K | +$1.7B |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | New Position | +87K | +$1.7B |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | Increased | +7K | +$1.6B |
| SEI INVESTMENTS CO | Increased | +120K | +$1.6B |
| AMERICAN CENTURY COMPANIES INC | Increased | +85K | +$1.6B |
| TWO SIGMA INVESTMENTS, LP | Increased | +47K | +$1.4B |
NBBK — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC | Decreased | -488K | -$8.6B |
| MARSHALL WACE, LLP | Decreased | -26K | -$4.9B |
| UBS Group AG | Decreased | -232K | -$3.8B |
| WELLINGTON MANAGEMENT GROUP LLP | Decreased | -356K | -$3.2B |
| Financial Engines Advisors L.L.C. | Decreased | -12K | -$2.3B |
| JPMORGAN CHASE & CO | Decreased | -60K | -$2.1B |
| Qube Research & Technologies Ltd | Decreased | -70K | -$1.5B |
| Cubist Systematic Strategies, LLC | Closed Position | -86K | -$1.5B |
| Trexquant Investment LP | Closed Position | -74K | -$1.3B |
| PANAGORA ASSET MANAGEMENT INC | Decreased | -22K | -$1.0B |
| Rafferty Asset Management, LLC | Decreased | -28K | -$929.6M |
| VICTORY CAPITAL MANAGEMENT INC | Closed Position | -52K | -$912.0M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Closed Position | -42K | -$737.2M |
| CITIGROUP INC | Decreased | -13K | -$628.2M |
| RAFFLES ASSOCIATES LP | Decreased | -3K | -$549.0M |
Top Institutional Holders(Q4 2025)
NBBK Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 160 | $212.4B | +43 |
| Q3 2025 | 117 | $190.3B | +5 |
| Q2 2025 | 112 | $102.2B | -11 |
| Q1 2025 | 123 | $253.2B | +16 |
| Q4 2024 | 107 | $509.1B | +16 |
| Q3 2024 | 91 | $5.6T | +15 |
| Q2 2024 | 76 | $3.1T | +31 |
| Q1 2024 | 45 | $188.0T | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold NBBK (NB Bancorp, Inc. Common Stock). The largest holder is Pertento Partners LLP with $46.5B in shares. This quarter, 5 institutions opened new positions and 4 closed their positions.
Frequently Asked Questions
How many hedge funds own NBBK?
As of Q4 2025, 50 institutional investors report holding NBBK (NB Bancorp, Inc. Common Stock) in their 13F filings.
Who is the largest institutional holder of NBBK?
The largest institutional holder of NBBK is Pertento Partners LLP with $46.5B in shares.
Is institutional ownership of NBBK increasing or decreasing?
This quarter, 5 institutions opened new positions in NBBK and 4 closed their positions.