RGEN icon

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
WA
276
Wealth Alliance
New York
$298K
KIA
277
Knollwood Investment Advisory
Maryland
$295K
SL
278
Summitry LLC
California
$281K
MCC
279
Malaga Cove Capital
California
$277K
QCG
280
Quadrant Capital Group
Ohio
$275K
Caisse de Depot et Placement du Quebec (CDPQ)
281
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$271K
AWCI
282
Alpine Woods Capital Investors
New York
$271K
IIC
283
Integrated Investment Consultants
Michigan
$265K
Corient Private Wealth
284
Corient Private Wealth
Florida
$252K
ProShare Advisors
285
ProShare Advisors
Maryland
$250K
IB
286
Intrust Bank
Kansas
$249K
KIC
287
Kensington Investment Counsel
California
$248K
SOW
288
State of Wyoming
Wyoming
$248K
FIA
289
FNY Investment Advisers
New York
$247K
GCM
290
Graham Capital Management
Connecticut
$246K
BIG
291
Brooklyn Investment Group
New York
$246K
LCM
292
Landscape Capital Management
New Jersey
$241K
GC
293
Guggenheim Capital
Illinois
$229K
Bessemer Group
294
Bessemer Group
New Jersey
$229K
JCM
295
Jag Capital Management
Missouri
$228K
VAS
296
Vestmark Advisory Solutions
Massachusetts
$226K
CCM
297
Coldstream Capital Management
Washington
$225K
CAM
298
Claret Asset Management
Quebec, Canada
$218K
KBC Group
299
KBC Group
Belgium
$216K
PAS
300
Park Avenue Securities
New York
$216K