NB Bancorp
NBBK
121 hedge funds and large institutions have $331M invested in NB Bancorp in 2025 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 37 increasing their positions, 38 reducing their positions, and 11 closing their positions.
26,022% more call options, than puts
Call options by funds: $2.35M | Put options by funds: $9K
82% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 11
7% more funds holding
Funds holding: 113 → 121 (+8)
1.47% more ownership
Funds ownership: 42.38% → 43.85% (+1.5%)
1% more capital invested
Capital invested by funds: $327M → $331M (+$4.64M)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
3% less repeat investments, than reductions
Existing positions increased: 37 | Existing positions reduced: 38
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$2.21M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
+$2.18M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$1.48M |
| 4 |
State Street
Boston,
Massachusetts
|
+$1.04M |
| 5 |
Jane Street
New York
|
+$1.02M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCA
Stieven Capital Advisors
St. Louis,
Missouri
|
-$3.56M |
| 2 |
BlackRock
New York
|
-$2.49M |
| 3 |
Morgan Stanley
New York
|
-$1.72M |
| 4 |
TFCP
Twin Focus Capital Partners
Boston,
Massachusetts
|
-$924K |
| 5 |
Goldman Sachs
New York
|
-$789K |
NBBK Hedge Fund Activity: Q1 2025 in Review
121 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in NB Bancorp (NBBK) for Q1 2025, worth a combined $331M — up 1.4% from $327M a quarter earlier.
Buyers outnumbered sellers: 20 funds opened new NBBK positions and 11 closed out — a net gain of 9 holders — while 37 added to existing stakes and 38 trimmed.
The largest buyer was Marshall Wace, opening a new position worth an estimated $2.21M. The largest seller was Stieven Capital Advisors, exiting entirely with an estimated $3.56M sold.
- 121 institutional investors held NB Bancorp (NBBK) as of Q1 2025, up from 113 in Q4 2024.
- Funds reported $331M of NB Bancorp stock for Q1 2025, up 1.4% quarter-over-quarter.
- 20 funds opened new NB Bancorp positions in Q1 2025 and 11 closed out, a net change of +9 holders.
- The largest NB Bancorp buyer in Q1 2025 was Marshall Wace, an estimated $2.21M added.
- The largest NB Bancorp seller in Q1 2025 was Stieven Capital Advisors, an estimated $3.56M sold.
Based on aggregated 13F filings for Q1 2025.