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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 %
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$821M -$120M -962,139 -13%
BlackRock
2
BlackRock
New York
$756M -$91.7M -737,257 -11%
Vanguard Group
3
Vanguard Group
Pennsylvania
$631M -$339K -2,722 -0.1%
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$238M +$99.1M +796,745 +71%
State Street
5
State Street
Massachusetts
$202M -$8.25M -66,314 -4%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$201M +$110M +880,900 +120%
CIP
7
Champlain Investment Partners
Vermont
$174M -$7.82M -62,907 -4%
Invesco
8
Invesco
Georgia
$172M -$36.7M -295,350 -18%
Bank of New York Mellon
9
Bank of New York Mellon
New York
$165M -$3.07M -24,697 -2%
Sands Capital Management
10
Sands Capital Management
Virginia
$156M -$5.36M -43,108 -3%
Citadel Advisors
11
Citadel Advisors
Florida
$132M -$33.2M -266,679 -20%
BCM
12
Brown Capital Management
Maryland
$125M +$17.6M +141,241 +16%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$122M -$1.35M -10,820 -1%
CCA
14
Conestoga Capital Advisors
Pennsylvania
$122M -$415K -3,340 -0.3%
Holocene Advisors
15
Holocene Advisors
New York
$117M -$2.88M -23,168 -2%
AllianceBernstein
16
AllianceBernstein
Tennessee
$113M -$14.7M -117,787 -12%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$95.5M +$6.76M +54,355 +8%
Impax Asset Management Group
18
Impax Asset Management Group
United Kingdom
$93.8M -$5.36M -43,468 -5%
Millennium Management
19
Millennium Management
New York
$87.2M +$84.7M +681,342 +3,424%
New York State Common Retirement Fund
20
New York State Common Retirement Fund
New York
$75.4M -$2.41M -19,352 -3%
DDC
21
DF Dent & Co
Maryland
$72.9M +$1.47M +11,797 +2%
T. Rowe Price Investment Management
22
T. Rowe Price Investment Management
Maryland
$69.6M +$37.2M +298,731 +115%
Morgan Stanley
23
Morgan Stanley
New York
$65.8M -$6.87M -55,232 -9%
SIMG
24
Stephens Investment Management Group
Texas
$65M -$2.08M -16,695 -3%
ECM
25
ExodusPoint Capital Management
New York
$61.2M +$35M +281,668 +134%
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