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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
Retirement Systems of Alabama
101
Retirement Systems of Alabama
Alabama
$7.64M
California State Teachers Retirement System (CalSTRS)
102
California State Teachers Retirement System (CalSTRS)
California
$7.29M
AM
103
AGF Management
Ontario, Canada
$7.09M
Russell Investments Group
104
Russell Investments Group
United Kingdom
$6.86M
TD Asset Management
105
TD Asset Management
Ontario, Canada
$6.79M
CA
106
Cornerstone Advisors
North Carolina
$6.68M
SO
107
STRS Ohio
Ohio
$6.45M
RC
108
Roubaix Capital
Colorado
$6.43M
KLWA
109
Kelly Lawrence W & Associates
California
$6.42M
PC
110
Pier Capital
Connecticut
$6.26M
Ohio Public Employees Retirement System (OPERS)
111
Ohio Public Employees Retirement System (OPERS)
Ohio
$6.22M
Manulife (Manufacturers Life Insurance)
112
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$5.88M
New York State Teachers Retirement System (NYSTRS)
113
New York State Teachers Retirement System (NYSTRS)
New York
$5.81M
State Board of Administration of Florida Retirement System
114
State Board of Administration of Florida Retirement System
Florida
$5.77M
SI
115
Stephens Inc
Arkansas
$5.7M
VAM
116
Vanguard Asset Management
$5.7M
B
117
Braidwell
Connecticut
$5.6M
CCIA
118
Campbell & Co Investment Adviser
Maryland
$5.5M
Amundi
119
Amundi
France
$5.3M
SC
120
Slow Capital
California
$5.13M
GIM
121
Generate Investment Management
New Zealand
$4.89M
ECM
122
ExodusPoint Capital Management
New York
$4.74M
SCM
123
Sone Capital Management
New York
$4.64M
Susquehanna International Group
124
Susquehanna International Group
Pennsylvania
$4.62M
Citigroup
125
Citigroup
New York
$4.28M