NB Bancorp
NBBK
146 hedge funds and large institutions have $339M invested in NB Bancorp in 2025 Q3 according to their latest regulatory filings, with 28 funds opening new positions, 44 increasing their positions, 45 reducing their positions, and 13 closing their positions.
30,057% more call options, than puts
Call options by funds: $2.11M | Put options by funds: $7K
115% more first-time investments, than exits
New positions opened: 28 | Existing positions closed: 13
11% more funds holding
Funds holding: 131 → 146 (+15)
2.05% more ownership
Funds ownership: 46.14% → 48.19% (+2.1%)
1% more capital invested
Capital invested by funds: $334M → $339M (+$4.44M)
2% less repeat investments, than reductions
Existing positions increased: 44 | Existing positions reduced: 45
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$5.04M |
| 2 |
Hotchkis & Wiley Capital Management
Los Angeles,
California
|
+$2.72M |
| 3 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
+$2.11M |
| 4 |
First Trust Advisors
Wheaton,
Illinois
|
+$1.82M |
| 5 |
EF
Empowered Funds
Havertown,
Pennsylvania
|
+$1.46M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$2.9M |
| 2 |
Millennium Management
New York
|
-$1.83M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$1.18M |
| 4 |
Victory Capital Management
San Antonio,
Texas
|
-$1.11M |
| 5 |
BlackRock
New York
|
-$1.09M |
NBBK Hedge Fund Activity: Q3 2025 in Review
146 of the 7,640 institutional investors tracked by Wall St. Rank reported a position in NB Bancorp (NBBK) for Q3 2025, worth a combined $339M — up 1.3% from $334M a quarter earlier.
Buyers outnumbered sellers: 28 funds opened new NBBK positions and 13 closed out — a net gain of 15 holders — while 44 added to existing stakes and 45 trimmed.
The largest buyer was UBS Group, adding an estimated $5.04M. The largest seller was Deutsche Bank, cutting an estimated $2.9M.
- 146 institutional investors held NB Bancorp (NBBK) as of Q3 2025, up from 131 in Q2 2025.
- Funds reported $339M of NB Bancorp stock for Q3 2025, up 1.3% quarter-over-quarter.
- 28 funds opened new NB Bancorp positions in Q3 2025 and 13 closed out, a net change of +15 holders.
- The largest NB Bancorp buyer in Q3 2025 was UBS Group, an estimated $5.04M added.
- The largest NB Bancorp seller in Q3 2025 was Deutsche Bank, an estimated $2.9M sold.
Based on aggregated 13F filings for Q3 2025.