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BRKL

Brookline Bancorp
BRKL

Delisted

BRKL was delisted on the 29th of August, 2025.

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189 hedge funds and large institutions have $788M invested in Brookline Bancorp in 2023 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 60 increasing their positions, 59 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

75% more first-time investments, than exits

New positions opened: 28 | Existing positions closed: 16

25% more capital invested

Capital invested by funds: $633M → $788M (+$155M)

6% more funds holding

Funds holding: 179 → 189 (+10)

2.06% more ownership

Funds ownership: 78.33% → 80.39% (+2.1%)

2% more repeat investments, than reductions

Existing positions increased: 60 | Existing positions reduced: 59

91% less call options, than puts

Call options by funds: $17K | Put options by funds: $191K

Holders
189
Holders Change
+10
Holders Change %
+5.59%
% of All Funds
2.76%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
28
Increased
60
Reduced
59
Closed
16
Calls
$17K
Puts
$191K
Net Calls
-$174K
Net Calls Change
-$243K

Top Buyers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
+$13.7M
2
Jennison Associates
Jennison Associates
New York
+$8.26M
3
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$1.7M
4
BlackRock
BlackRock
New York
+$1.69M
5
HSBC Holdings
HSBC Holdings
United Kingdom
+$1.61M

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$5.91M
2
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
-$5.78M
3
First Trust Advisors
First Trust Advisors
Illinois
-$3.18M
4
Renaissance Technologies
Renaissance Technologies
New York
-$1.97M
5
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$1.58M
Name Holding Trade Value Shares
Change 		Change in
Stake
Zurich Cantonal Bank
126
Zurich Cantonal Bank
Switzerland
$180K – – –
ProShare Advisors
127
ProShare Advisors
Maryland
$179K +$29.4K +3,094 +23%
ACM
128
Aquatic Capital Management
Illinois
$175K +$123K +13,000 +433%
ECM
129
Everence Capital Management
Indiana
$171K – – –
BTW
130
Boston Trust Walden
Massachusetts
$158K – – –
BCM
131
Bayesian Capital Management
New York
$158K +$138K +14,500 New
MWPCG
132
Measured Wealth Private Client Group
New Hampshire
$158K -$4.75K -500 -3%
MFA
133
Mayflower Financial Advisors
Massachusetts
$157K – – –
TRCT
134
Tower Research Capital (TRC)
New York
$153K +$91K +9,586 +214%
FT
135
Fiduciary Trust
Massachusetts
$153K – – –
CAG
136
Crestwood Advisors Group
Massachusetts
$148K -$17.1K -1,800 -12%
TSS
137
Two Sigma Securities
New York
$139K +$121K +12,766 New
FRM
138
Fox Run Management
Connecticut
$138K +$9.39K +989 +8%
SFA
139
Sequoia Financial Advisors
Ohio
$134K +$116K +12,255 New
IC
140
IEQ Capital
California
$133K +$1.63K +172 +1%
LWCFA
141
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$130K – – –
SWM
142
SeaCrest Wealth Management
New York
$128K – – –
SO
143
STRS Ohio
Ohio
$127K – – –
Walleye Capital
144
Walleye Capital
New York
$124K +$108K +11,400 New
AC
145
AXQ Capital
New Jersey
$114K +$99K +10,432 New
QT
146
Quantbot Technologies
New York
$111K +$82.2K +8,663 +581%
LPL Financial
147
LPL Financial
California
$111K +$96.3K +10,144 New
CCFP
148
Charles Carroll Financial Partners
Massachusetts
$110K – – –
CIBC Asset Management
149
CIBC Asset Management
Ontario, Canada
$109K +$95.1K +10,019 New
AIP
150
Ameritas Investment Partners
Nebraska
$94.7K – – –
4 5
6
7 8

BRKL Hedge Fund Activity: Q4 2023 in Review

189 of the 6,860 institutional investors tracked by Wall St. Rank reported a position in Brookline Bancorp (BRKL) for Q4 2023, worth a combined $788M — up 25% from $633M a quarter earlier.

Buyers outnumbered sellers: 28 funds opened new BRKL positions and 16 closed out — a net gain of 12 holders — while 60 added to existing stakes and 59 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $13.7M. The largest seller was Millennium Management, cutting an estimated $5.91M.

  • 189 institutional investors held Brookline Bancorp (BRKL) as of Q4 2023, up from 179 in Q3 2023.
  • Funds reported $788M of Brookline Bancorp stock for Q4 2023, up 25% quarter-over-quarter.
  • 28 funds opened new Brookline Bancorp positions in Q4 2023 and 16 closed out, a net change of +12 holders.
  • The largest Brookline Bancorp buyer in Q4 2023 was Morgan Stanley, an estimated $13.7M added.
  • The largest Brookline Bancorp seller in Q4 2023 was Millennium Management, an estimated $5.91M sold.

Based on aggregated 13F filings for Q4 2023.