REPLIGEN CORP (RGEN) is held by 186 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling RGEN?

In Q1 2026, 109 institutions opened or increased positions in REPLIGEN CORP while 98 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on RGEN?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for REPLIGEN CORP.

How many hedge funds hold RGEN?

186 institutional investors report holding REPLIGEN CORP (RGEN) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into RGEN?

As of Q1 2026, tracked institutions in REPLIGEN CORP show 109 buyers versus 98 sellers — net inflows.

Are Congress members and hedge funds both buying RGEN?

Yes — in the latest quarter, 2 members of Congress and 109 institutional investors bought REPLIGEN CORP. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

REPLIGEN CORP

RGEN·759916109·US·Common Stock·Healthcare - Medical Instruments & Supplies-13D/G

186

Holders

(19 Elite)

$6.4B

Total Value

53% (207)

Consensus

109 buying - 98 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 186 funds

19 elite

Who's Trading

InsiderGKGarland Jason KSell $106KJun 25, 2026

InsiderMPMUIR GLENN PExercise 2K shMay 7, 2026

InsiderDRDouglass Brian RobbTax 334 shMay 7, 2026

InsiderLOLoeillot OlivierSell $536KApr 21, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

Activist

T. Rowe Price Associates, Inc.8.2%Feb 17, 2026

Congress

Lisa McClainSale $1,001 - $15,000Oct 31, 2025

Congress

Lisa McClainBuy $1,001 - $15,000Oct 30, 2025

Congress

Lisa McClainSale $1,001 - $15,000Oct 30, 2025

Congress

Donald J. TrumpSale $1,001 - $15,000Aug 7, 2025

View all insider trades View all activist filings View all congressional trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	6M(-9.5%)	$706.1M	0.0%	-0.71%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	4.9M(+6.1%)	$574.7M	0.1%	-6.74%	33
FMR LLC	Increased	2.9M(+0.7%)	$340.1M	0.0%	+9.67%	31
UNITED CAPITAL FINANCIAL ADVISORS, LLC	Increased	2.8M(+0.1%)	$326.8M	2.0%	+16.03%	53
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.4M	$282.4M	0.0%	+17.21%	43
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	2.3M	$271.6M	0.0%	+17.21%	43
STATE STREET CORP	Increased	1.8M(+3.4%)	$209.4M	0.0%	-15.87%	32
Bank of New York Mellon Corp	Increased	1.5M(+13.9%)	$180.4M	0.0%	-12.88%	35
MAVERICK CAPITAL LTD	New	1.5M	$178.9M	2.1%	+17.21%	79
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	Increased	1.4M(+15.0%)	$164.7M	0.1%	-10.37%	35
Invesco Ltd.	Increased	1.3M(+1.7%)	$150.6M	0.0%	-10.51%	31
WASATCH ADVISORS LP	New	1.2M	$146.5M	1.0%	0.00%	59
RTW INVESTMENTS, LP	Increased	1.2M(+13.3%)	$142.1M	1.4%	-10.67%	54
FRANKLIN RESOURCES INC	Increased	1.2M(+8.3%)	$140.6M	0.0%	-8.46%	33
ALLIANCEBERNSTEIN L.P.	Decreased	831,792(-16.4%)	$136.3M	0.0%	+3.85%	0
CITADEL ADVISORS LLC	Decreased	1.1M(-21.2%)	$129.5M	0.0%	+5.81%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.1M(+3.4%)	$125.4M	0.0%	+30.86%	31
AMERIPRISE FINANCIAL INC	Increased	925,214(+87.2%)	$109M	0.0%	-3.67%	47
DIMENSIONAL FUND ADVISORS LP	Increased	854,741(+6.3%)	$100.7M	0.0%	-0.65%	32
CONGRESS ASSET MANAGEMENT CO	Increased	797,867(+6.9%)	$94M	0.7%	-23.12%	45