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Repligen

440 hedge funds and large institutions have $7.75B invested in Repligen in 2026 Q1 according to their latest regulatory filings, with 68 funds opening new positions, 165 increasing their positions, 130 reducing their positions, and 92 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

25% less funds holding in top 10

Funds holding in top 10: 86 (-2)

26% less first-time investments, than exits

New positions opened: 68 | Existing positions closed: 92

46% less call options, than puts

Call options by funds: $24.5M | Put options by funds: $45.7M

Holders
440
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$24.5M
Puts
$45.7M
Net Calls
Net Calls Change

Top Sellers

1 -$87.7M
2 -$87.5M
3 -$84.6M
4
Walleye Capital
Walleye Capital
New York
-$68.3M
5
FAM
Fred Alger Management
New York
-$66.6M
Name Holding Trade Value Shares
Change
Change in
Stake
RhumbLine Advisers
76
RhumbLine Advisers
Massachusetts
$16.1M
Public Employees Retirement Association of Colorado
77
Public Employees Retirement Association of Colorado
Colorado
$15.9M
Envestnet Asset Management
78
Envestnet Asset Management
Illinois
$15.1M
Balyasny Asset Management
79
Balyasny Asset Management
Illinois
$14.8M
JP Morgan Chase
80
JP Morgan Chase
New York
$14.3M
Jennison Associates
81
Jennison Associates
New York
$14.3M
EP
82
Eversept Partners
New York
$14.2M
CRC
83
Curi RMB Capital
Illinois
$14M
RA
84
Royce & Associates
New York
$13.7M
Swiss National Bank
85
Swiss National Bank
Switzerland
$12.5M
N
86
Nuveen
North Carolina
$12.4M
TRSOTSOK
87
Teachers Retirement System of the State of Kentucky
Kentucky
$11.8M
Victory Capital Management
88
Victory Capital Management
Texas
$11.7M
Hudson Bay Capital Management
89
Hudson Bay Capital Management
Connecticut
$10.9M
OCM
90
Osterweis Capital Management
California
$10.9M
Lord, Abbett & Co
91
Lord, Abbett & Co
New Jersey
$10.4M
GIM
92
Granahan Investment Management
Massachusetts
$10.2M
Osaic Holdings
93
Osaic Holdings
Arizona
$10.2M
SAM
94
Silvercrest Asset Management
New York
$10M
NSAM
95
North Star Asset Management
Wisconsin
$9.89M
Ensign Peak Advisors
96
Ensign Peak Advisors
Utah
$8.96M
Legal & General Group
97
Legal & General Group
United Kingdom
$8.35M
Aberdeen Group
98
Aberdeen Group
United Kingdom
$8.31M
KCM
99
Kornitzer Capital Management
Kansas
$8.26M
California Public Employees Retirement System
100
California Public Employees Retirement System
California
$7.87M