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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 %
Bessemer Group
51
Bessemer Group
New Jersey
$31.2M -$309K -2,485 -1%
Norges Bank
52
Norges Bank
Norway
$31M +$31M +249,167 New
1WCM
53
12 West Capital Management
New York
$30M – – –
TCM
54
TimesSquare Capital Management
New York
$29.9M +$528K +4,244 +2%
SEI Investments
55
SEI Investments
Pennsylvania
$28.4M -$2.77M -22,243 -9%
Artisan Partners
56
Artisan Partners
Wisconsin
$27.4M -$22.8M -183,123 -45%
Jane Street
57
Jane Street
New York
$26M +$6.76M +54,376 +35%
Royal Bank of Canada
58
Royal Bank of Canada
Ontario, Canada
$25.7M +$11.7M +93,880 +83%
Schroder Investment Management Group
59
Schroder Investment Management Group
United Kingdom
$25.7M +$25.7M +206,397 New
RIM
60
Ranger Investment Management
Texas
$20.9M -$6.82M -54,795 -25%
PA
61
Perceptive Advisors
New York
$20.6M +$4.5M +36,199 +28%
Balyasny Asset Management
62
Balyasny Asset Management
Illinois
$19.5M +$13.2M +106,252 +212%
CAM
63
Congress Asset Management
Massachusetts
$19M +$2.89M +23,231 +18%
Ensign Peak Advisors
64
Ensign Peak Advisors
Utah
$18.5M -$1.07M -8,638 -5%
SBH
65
Segall Bryant & Hamill
Illinois
$18.5M +$398K +3,203 +2%
NC
66
NZS Capital
Colorado
$18.1M +$1.66M +13,372 +10%
B
67
Braidwell
Connecticut
$18M +$7.82M +62,900 +77%
Wellington Management Group
68
Wellington Management Group
Massachusetts
$17.8M +$17.8M +143,505 New
RhumbLine Advisers
69
RhumbLine Advisers
Massachusetts
$17.7M -$500K -4,018 -3%
Primecap Management
70
Primecap Management
California
$17.2M +$13.4M +107,420 +348%
GIM
71
Granahan Investment Management
Massachusetts
$16.8M +$4.21M +33,849 +33%
Public Employees Retirement Association of Colorado
72
Public Employees Retirement Association of Colorado
Colorado
$16.8M – – –
NL
73
Nuveen LLC
North Carolina
$16.6M -$18.1M -145,465 -52%
Principal Financial Group
74
Principal Financial Group
Iowa
$14.8M -$8.47M -68,106 -36%
HRCM
75
Hawk Ridge Capital Management
California
$14.4M +$14.4M +115,400 New
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