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Repligen
RGEN

Overview Fund Activity

440 hedge funds and large institutions have $7.22B invested in Repligen in 2025 Q2 according to their latest regulatory filings, with 73 funds opening new positions, 129 increasing their positions, 172 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
440
Holders Change
–
Holders Change %
0%
% of All Funds
5.9%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
73
Increased
129
Reduced
172
Closed
70
Calls
$10.2M
Puts
$84.6M
Net Calls
-$74.4M
Net Calls Change
-$16.8M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$201M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
$238M
3
Millennium Management
Millennium Management
New York
$87.2M
4
GCM
Geneva Capital Management
Wisconsin
$60.6M
5
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$69.6M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$821M
2
Macquarie Group
Macquarie Group
Australia
$11.2M
3
BlackRock
BlackRock
New York
$756M
4
Invesco
Invesco
Georgia
$172M
5
Citadel Advisors
Citadel Advisors
Florida
$132M
Name Holding Trade Value Shares
Change 		Shares
Change %
California Public Employees Retirement System
101
California Public Employees Retirement System
California
$8.46M -$2.15M -17,299 -20%
Renaissance Technologies
102
Renaissance Technologies
New York
$8.25M +$8.25M +66,304 New
Retirement Systems of Alabama
103
Retirement Systems of Alabama
Alabama
$7.94M +$55K +442 +0.7%
Russell Investments Group
104
Russell Investments Group
United Kingdom
$7.88M -$2.55M -20,500 -24%
CSS
105
Cubist Systematic Strategies
Connecticut
$7.6M +$7.6M +61,090 New
Susquehanna International Group
106
Susquehanna International Group
Pennsylvania
$7.34M +$2.52M +20,292 +52%
PC
107
Pier Capital
Connecticut
$7.34M -$584K -4,692 -7%
LCAM
108
London & Capital Asset Management
United Kingdom
$6.84M -$5.39M -43,353 -44%
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$6.73M +$46K +370 +0.7%
Tudor Investment Corp
110
Tudor Investment Corp
Connecticut
$6.56M +$6.56M +52,755 New
New York State Teachers Retirement System (NYSTRS)
111
New York State Teachers Retirement System (NYSTRS)
New York
$6.35M – – –
California State Teachers Retirement System (CalSTRS)
112
California State Teachers Retirement System (CalSTRS)
California
$6.31M -$24.5K -197 -0.4%
SO
113
STRS Ohio
Ohio
$6.09M +$157K +1,259 +3%
SI
114
Stephens Inc
Arkansas
$5.92M +$169K +1,359 +3%
Aberdeen Group
115
Aberdeen Group
United Kingdom
$5.74M +$5.74M +46,178 New
COPPSERS
116
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$5.7M +$5.53M +400,970 +3,219%
AIC
117
AWM Investment Company
New York
$5.6M -$1.49M -12,000 -21%
FLAM
118
First Light Asset Management
Minnesota
$5.47M -$5.46M -43,901 -50%
VanEck Associates
119
VanEck Associates
New York
$5.41M -$91.3K -734 -2%
TIM
120
Thornburg Investment Management
New Mexico
$5.4M +$1.2M +9,688 +29%
EGM
121
Engineers Gate Manager
New York
$5.16M +$4.64M +37,326 +890%
Canada Life
122
Canada Life
Manitoba, Canada
$4.54M -$178K -1,429 -4%
BNP Paribas Financial Markets
123
BNP Paribas Financial Markets
France
$4.51M +$235K +1,888 +5%
SC
124
Slow Capital
California
$4.42M +$334K +2,688 +8%
Capital Fund Management (CFM)
125
Capital Fund Management (CFM)
France
$4.34M +$4.34M +34,876 New
3 4
5
6 7