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NB Bancorp
NBBK

Overview Fund Activity

129 hedge funds and large institutions have $334M invested in NB Bancorp in 2025 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 44 increasing their positions, 45 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
129
Holders Change
+8
Holders Change %
+6.61%
% of All Funds
1.73%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
20
Increased
44
Reduced
45
Closed
11
Calls
$870K
Puts
–
Net Calls
+$870K
Net Calls Change
-$1.47M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$11.5M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$33.2M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$5.63M
4
PP
4
Pertento Partners
United Kingdom
$37.8M
5
Financial Engines Advisors
5
Financial Engines Advisors
California
$2.11M

Top Sellers

1
BlackRock
1
BlackRock
New York
$51.5M
2
Bank of America
2
Bank of America
North Carolina
$2.32M
3
ECA
3
Endeavour Capital Advisors
Connecticut
$0
4
GOCP
4
Great Oak Capital Partners
Massachusetts
$1.17M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$35.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
UBS Group
26
UBS Group
Switzerland
$1.85M +$821K +45,948 +79%
MP
27
Mangrove Partners
Connecticut
$1.85M – – –
Bank of New York Mellon
28
Bank of New York Mellon
New York
$1.85M +$34.1K +1,909 +2%
Qube Research & Technologies (QRT)
29
Qube Research & Technologies (QRT)
United Kingdom
$1.8M +$376K +21,072 +26%
JPMorgan Chase & Co
30
JPMorgan Chase & Co
New York
$1.79M -$2.01M -112,339 -53%
UBS AM
31
UBS AM
Illinois
$1.67M +$540K +30,247 +48%
Two Sigma Advisers
32
Two Sigma Advisers
New York
$1.6M +$246K +13,800 +18%
Ameriprise
33
Ameriprise
Minnesota
$1.59M +$171K +9,600 +12%
IAIM
34
International Assets Investment Management
Florida
$1.55M +$577K +32,300 +59%
Focus Partners Wealth
35
Focus Partners Wealth
Massachusetts
$1.52M +$589 +33 +0%
OC
36
Oppenheimer & Close
New York
$1.48M – – –
Barclays
37
Barclays
United Kingdom
$1.46M +$403K +22,570 +38%
SV
38
Stilwell Value
New York
$1.43M – – –
Swiss National Bank
39
Swiss National Bank
Switzerland
$1.36M -$48.2K -2,700 -3%
CSS
40
Cubist Systematic Strategies
Connecticut
$1.32M +$1.32M +73,914 New
GOCP
41
Great Oak Capital Partners
Massachusetts
$1.17M -$2.35M -124,032 -67%
Susquehanna International Group
42
Susquehanna International Group
Pennsylvania
$1.12M -$162K -9,044 -13%
Legal & General Group
43
Legal & General Group
United Kingdom
$1.11M +$40K +2,237 +4%
American Century Companies
44
American Century Companies
Missouri
$1.11M +$647K +36,238 +141%
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$1.08M +$173K +9,714 +19%
LA
46
Lynch & Associates
Indiana
$1.02M -$60.3K -3,375 -6%
FC
47
Farley Capital
New York
$975K – – –
XT
48
XTX Topco
Cayman Islands
$940K +$940K +52,620 New
TI
49
Trexquant Investment
Connecticut
$925K +$925K +51,781 New
SIM
50
SummerHaven Investment Management
Connecticut
$908K +$15.2K +849 +2%
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