How many institutional investors hold RGEN?

4 tracked institutional investors disclosed a position in RGEN (REPLIGEN CORP) in their most recent 13F filing.

Who is the largest institutional holder of RGEN?

Steve Cohen, Point72 Asset Management, holds the largest disclosed position in RGEN, valued at $165M.

Where does this RGEN ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

RGEN — REPLIGEN CORP

Name: REPLIGEN CORP (RGEN) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About REPLIGEN CORP (RGEN)

REPLIGEN CORP (RGEN) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Steve Cohen (Point72 Asset Management), valued at $165M. Across recent filings, tracked investors recorded 1 new positions, 0 increased, 2 reduced, and 2 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in RGEN

/100

Institutional Distribution

Added / Increased1

Reduced2

Exited2

BearishBullish

Crowded Trade Score™

How many top investors track RGEN

/100

Emerging Interest

4investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

RGEN Ownership Composition

How REPLIGEN CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

68% of tracked value

Institutions

tracked investors

Total Reported

$208.2M

combined 13F value

Other67.8%
Hedge Funds32.2%

Other(3)

67.8%

Hedge Funds(1)

32.2%

Tracked investors reporting RGEN

Investor	Firm	Shares	Market value	% of portfolio	As of
Steve Cohen	Point72 Asset Management	569.5K	$67.1M	0.09%	Mar 31, 2026
Ken Griffin	Citadel Advisors	1.2M	$136.8M	0.02%	Mar 31, 2026
Izzy Englander	Millennium Management	36.5K	$4.3M	0.00%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	7.9K	$1.3K	0.00%	Dec 31, 2025

Steve CohenMar 31, 2026
Point72 Asset Management
Shares
569.5K
Value
$67.1M
% Portfolio
0.09%
Ken GriffinMar 31, 2026
Citadel Advisors
Shares
1.2M
Value
$136.8M
% Portfolio
0.02%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
36.5K
Value
$4.3M
% Portfolio
0.00%
Ray DalioDec 31, 2025
Bridgewater Associates
Shares
7.9K
Value
$1.3K
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ken Griffin	Sold	-100.00%	$0	May 15, 2026
Ray Dalio	Sold	-100.00%	$0	May 15, 2026
Ken Griffin	Reduced	-18.49%	$235K	Feb 17, 2026
Ray Dalio	Reduced	-76.58%	$1.3K	Feb 13, 2026
Ray Dalio	New	—	$4.5K	Nov 13, 2025

Ken Griffin
Sold
$0(-100.00%)May 15, 2026
Ray Dalio
Sold
$0(-100.00%)May 15, 2026
Ken Griffin
Reduced
$235K(-18.49%)Feb 17, 2026
Ray Dalio
Reduced
$1.3K(-76.58%)Feb 13, 2026
Ray Dalio
New
$4.5KNov 13, 2025

Frequently asked questions

How many institutional investors hold RGEN?: 4 tracked institutional investors disclosed a position in RGEN (REPLIGEN CORP) in their most recent 13F filing.
Who is the largest institutional holder of RGEN?: Steve Cohen, Point72 Asset Management, holds the largest disclosed position in RGEN, valued at $165M.
Did institutional ownership of RGEN increase or decrease?: Across recent 13F filings, tracked investors recorded 1 new positions, 0 increased, 2 reduced, and 2 fully exited RGEN.
Where does this RGEN ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.