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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
Bank of Montreal
151
Bank of Montreal
Ontario, Canada
$2.79M
State of Tennessee, Department of Treasury
152
State of Tennessee, Department of Treasury
Tennessee
$2.73M
Treasurer of the State of North Carolina
153
Treasurer of the State of North Carolina
North Carolina
$2.66M
Millennium Management
154
Millennium Management
New York
$2.65M
PFSRSONJ
155
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.62M
Bank of Nova Scotia
156
Bank of Nova Scotia
Ontario, Canada
$2.59M
VGA
157
Vanguard Global Advisers
Pennsylvania
$2.55M
DIM
158
Delta Investment Management
California
$2.49M
KF
159
Krilogy Financial
Missouri
$2.49M
Pathstone Holdings
160
Pathstone Holdings
New Jersey
$2.48M
RHJA
161
Rice Hall James & Associates
California
$2.37M
Handelsbanken Fonder
162
Handelsbanken Fonder
Sweden
$2.33M
HSBC Holdings
163
HSBC Holdings
United Kingdom
$2.31M
BFM
164
Boothbay Fund Management
New York
$2.26M
State of New Jersey Common Pension Fund D
165
State of New Jersey Common Pension Fund D
New Jersey
$2.25M
JIC
166
Johnson Investment Counsel
Ohio
$2.24M
US Bancorp
167
US Bancorp
Minnesota
$2.22M
AIP
168
Ameritas Investment Partners
Nebraska
$2.18M
CCM
169
Cinctive Capital Management
New York
$2.16M
Commonwealth Equity Services
170
Commonwealth Equity Services
Massachusetts
$2.14M
BMSSC
171
B. Metzler seel. Sohn & Co
Germany
$2.03M
IIM
172
INTECH Investment Management
Florida
$1.96M
LCM
173
Legato Capital Management
California
$1.94M
LSERS
174
Louisiana State Employees Retirement System
Louisiana
$1.8M
ASRS
175
Arizona State Retirement System
Arizona
$1.73M