Who Owns Repligen Corporation (RGEN)?Hedge Fund & Institutional Holders

$113.78+0.02 (+0.02%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$7.52244745000516e+264T

% of Float Held

Infinity%

QoQ Change in Holders

+14 / -0

Price History

$108.89$125.23$141.56$157.90$174.24Sep 24Jun 25Mar 26

RGEN — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
PRICE T ROWE ASSOCIATES INC /MD/Increased+1.1M+$284.2M
Bank of New York Mellon CorpNew Position+1.3M+$212.0M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/New Position+1.2M+$199.2M
RTW INVESTMENTS, LPNew Position+1.1M+$174.3M
Conestoga Capital Advisors, LLCNew Position+1.1M+$173.4M
Stephens Investment Management Group LLCNew Position+657K+$107.7M
NORGES BANKNew Position+462K+$75.0M
Impax Asset Management Group plcNew Position+413K+$67.7M
THRIVENT FINANCIAL FOR LUTHERANSNew Position+412K+$67.0M
Allspring Global Investments Holdings, LLCNew Position+311K+$51.1M
BROWN CAPITAL MANAGEMENT LLCNew Position+274K+$44.9M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.New Position+205K+$33.0M
PRINCIPAL FINANCIAL GROUP INCNew Position+198K+$32.5M
NEW YORK STATE COMMON RETIREMENT FUNDNew Position+171K+$28.0M
Ranger Investment Management, L.P.New Position+162K+$26.6M

RGEN — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
VANGUARD GROUP INCDecreased-50K-$673.4B
STATE STREET CORPDecreased-82K-$240.5B
CITADEL ADVISORS LLCDecreased-290K-$225.0B
Point72 Asset Management, L.P.Decreased-434K-$192.4B
Holocene Advisors, LPDecreased-416K-$183.9B
Champlain Investment Partners, LLCDecreased-335K-$178.9B
ALLIANCEBERNSTEIN L.P.Decreased-109K-$147.4B
GEODE CAPITAL MANAGEMENT, LLCDecreased-3K-$137.9B
MILLENNIUM MANAGEMENT LLCDecreased-167K-$109.1B
BALYASNY ASSET MANAGEMENT L.P.Decreased-652K-$102.5B
GENEVA CAPITAL MANAGEMENT LLCDecreased-34K-$79.7B
DF DENT & CO INCDecreased-39K-$71.4B
AMERIPRISE FINANCIAL INCDecreased-15K-$68.0B
NORTHERN TRUST CORPDecreased-18K-$62.0B
SCHRODER INVESTMENT MANAGEMENT GROUPDecreased-17K-$61.5B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1VANGUARD GROUP INC4,590,777$752.2M0.01%Share
2PRICE T ROWE ASSOCIATES INC /MD/4,547,945$745.0M0.08%Share
3BlackRock, Inc.3,149,380$516.0M0.01%Share
4UNITED CAPITAL FINANCIAL ADVISORS, LLC2,770,862$454.0M2.73%Share
5FMR LLC2,340,607$383.0M0.02%Share
6STATE STREET CORP1,719,093$281.0M0.01%Share
7BlackRock, Inc.1,538,459$252.0M0.00%Share
8CITADEL ADVISORS LLC1,392,557$228.0M0.03%Share
9FRANKLIN RESOURCES INC1,094,899$179.0M0.04%Share
10RTW INVESTMENTS, LP1,064,000$174.3M1.75%Share
11Conestoga Capital Advisors, LLC1,057,975$173.4M2.92%Share
12BlackRock, Inc.1,054,182$172.0M0.00%Share
13Invesco Ltd.1,043,453$171.0M0.03%Share
14Champlain Investment Partners, LLC1,003,951$164.5M1.67%Share
15Point72 Asset Management, L.P.1,006,310$164.0M0.18%Share
16ALLIANCEBERNSTEIN L.P.994,869$163.0M0.05%Share
17Holocene Advisors, LP961,040$157.0M0.33%Share
18MASSACHUSETTS FINANCIAL SERVICES CO /MA/936,325$153.4M0.05%Share
19FRED ALGER MANAGEMENT, LLC911,527$149.0M0.58%Share
20GEODE CAPITAL MANAGEMENT, LLC845,296$138.0M0.01%Share
21CONGRESS ASSET MANAGEMENT CO746,306$122.3M0.86%Share
22DIMENSIONAL FUND ADVISORS LP727,737$119.0M0.02%Share
23Stephens Investment Management Group LLC657,111$107.7M1.40%Share
24MILLENNIUM MANAGEMENT LLC650,546$106.0M0.04%Share
25BAMCO INC /NY/544,779$89.3M0.24%Share
26MARSHALL WACE, LLP515,478$84.0M0.08%Share
27DF DENT & CO INC495,550$81.0M1.17%Share
28NORGES BANK462,094$75.0M0.01%Share
29TimesSquare Capital Management, LLC435,687$71.4M1.08%Share
30CHARLES SCHWAB INVESTMENT MANAGEMENT INC430,704$70.0M0.01%Share
31FMR LLC425,771$69.0M0.00%Share
32SCHRODER INVESTMENT MANAGEMENT GROUP421,025$68.0M0.05%Share
33Walleye Capital LLC417,110$68.0M0.21%Share
34Impax Asset Management Group plc413,384$67.7M0.42%Share
35Artemis Investment Management LLP410,369$67.2M0.81%Share
36GENEVA CAPITAL MANAGEMENT LLC393,480$64.5M1.21%Share
37Bank of New York Mellon Corp379,551$62.0M0.01%Share
38AMERIPRISE FINANCIAL INC369,638$60.0M0.01%Share
39NORTHERN TRUST CORP354,003$58.0M0.01%Share
40AMERICAN CAPITAL MANAGEMENT INC335,115$54.9M2.42%Share
41UBS Group AG324,971$53.2M0.01%Share
42VANGUARD GROUP INC323,367$53.0M0.00%Share
43Iron Triangle Partners LP320,474$52.5M6.00%Share
44BNP Paribas Asset Management Holding S.A.323,047$52.0M0.06%Share
45JANE STREET GROUP, LLC321,400$52.0M0.01%Put
46PERCEPTIVE ADVISORS LLC315,541$51.7M0.92%Share
47RIVERBRIDGE PARTNERS LLC313,365$51.3M0.96%Share
48Blue Whale Capital LLP308,467$50.5M2.59%Share
49Allspring Global Investments Holdings, LLC303,259$49.8M0.08%Share
50BlackRock, Inc.285,738$46.0M0.00%Share

RGEN Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025468$10.0B+151
Q3 2025317$6.5T-63
Q2 2025380$5.0T-60
Q1 2025440$6.1T+47
Q4 2024393$326.2T+35
Q3 2024358$4749.2T-7
Q2 2024365$3365.1T-21
Q1 2024386$4714.6T—

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As of Q4 2025, 50 institutional investors hold RGEN (Repligen Corporation). The largest holder is VANGUARD GROUP INC with $752.2M in shares. This quarter, 14 institutions opened new positions and 0 closed their positions.

Frequently Asked Questions

How many hedge funds own RGEN?

As of Q4 2025, 50 institutional investors report holding RGEN (Repligen Corporation) in their 13F filings.

Who is the largest institutional holder of RGEN?

The largest institutional holder of RGEN is VANGUARD GROUP INC with $752.2M in shares.

Is institutional ownership of RGEN increasing or decreasing?

This quarter, 14 institutions opened new positions in RGEN and 0 closed their positions.