Repligen RGEN Institutional Ownership

NASDAQ RGEN

$162.07 -2.98 (-1.81%)

As of: Sep 10, 2026 · 10:20 AM EDT

Institutions by Trading Activity

482 Institutions

Increased 272 56.4%

Unchanged 69 14.3%

Reduced 141 29.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

117.97%

▲+2.11 pp QoQ

Shares Held by Institutions

66.56Mn

of 56.42Mn outstanding

▲+3.40% QoQ

Shares Outstanding

56.42Mn

-10.14Mn held outside 13F filers

Institutional Investors

482

filed 13F for Jun 2026

▲+41 vs prior quarter

Net Shares Added (QoQ)

+2.19Mn

accumulated since last quarter

Value of Holdings

$11.15Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Repligen Corp (NASDAQ:RGEN) showed up in the 13F filings of 482 institutional investors as of June 2026.

They owned 118.0% of outstanding stock in June 2026, up from 115.9% the prior quarter.
Their total shares held in RGEN increased 3.4% quarter over quarter, and separately, investors owning Repligen increased 8.31% from a year ago.
During the quarter, 272 of these 482 funds increased positions in RGEN, 141 reduced exposure, and 69 held steady.
Combined, these investors held 66.56Mn shares in RGEN for June 2026, up by 2.19Mn shares quarter on quarter, and up 8.3Mn shares year over year.
BlackRock, Inc. leads ownership in RGEN with 5.38Mn shares as of June 30, 2026, equal to 9.54% of outstanding shares.
The biggest buyers of Repligen for the quarter ending June 2026 included WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (788.57K), Ameriprise Financial Inc (650.92K), Holocene Advisors, LP (583.3K), NORGES BANK (575.23K), Sixth Street Partners Management Company, L.P. (481.74K).
The biggest sellers of Repligen for the quarter ending June 2026 included PRICE T ROWE ASSOCIATES INC /MD/ (3.13Mn), CITADEL ADVISORS LLC (722.87K), BlackRock, Inc. (608.12K), Vestal Point Capital, LP (525.0K), Point72 Asset Management, L.P. (403.32K).
Repligen's 10 largest shareholders as of June 2026 include BlackRock, Inc. (5.38Mn), FMR LLC (3.33Mn), UNITED CAPITAL FINANCIAL ADVISORS, LLC (2.79Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.41Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.31Mn), MAVERICK CAPITAL LTD (1.98Mn), State Street Corp (1.8Mn), PRICE T ROWE ASSOCIATES INC /MD/ (1.75Mn), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (1.62Mn), WASATCH ADVISORS LP (1.59Mn) per Business Quant data.

Form 13F Holdings

482 Institutional Holders

Report period 30 Jun, 2026

Total shares held 66.56Mn

Of outstanding 117.97%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	5,384,938	9.54%	▼608,116	-10.15%	$734.72Mn
2	FMR LLC	0000315066	3,326,690	5.90%	▲439,904	+15.24%	$453.89Mn
3	UNITED CAPITAL FINANCIAL ADVISORS, LLC	0001463217	2,790,650	4.95%	▲16,670	+0.60%	$380.76Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,411,171	4.27%	▲14,660	+0.61%	$328.98Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,312,825	4.10%	▲7,731	+0.34%	$315.56Mn
6	MAVERICK CAPITAL LTD	0000934639	1,984,554	3.52%	▲465,749	+30.67%	$270.77Mn
7	State Street Corp	0000093751	1,800,530	3.19%	▲23,245	+1.31%	$245.68Mn
8	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	1,752,274	3.11%	▼3,125,867	-64.08%	$239.08K
9	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	1,617,021	2.87%	▲219,506	+15.71%	$220.61Mn
10	WASATCH ADVISORS LP	0000814133	1,590,251	2.82%	▲346,720	+27.88%	$216.97Mn
11	Ameriprise Financial Inc	0000820027	1,576,132	2.79%	▲650,918	+70.35%	$215.05Mn
12	Bank of New York Mellon Corp	0001390777	1,522,859	2.70%	▼8,543	-0.56%	$207.78Mn
13	T. Rowe Price Investment Management, Inc.	0001897612	1,411,619	2.50%	▲44,939	+3.29%	$192.60K
14	Invesco Ltd.	0000914208	1,387,242	2.46%	▲108,987	+8.53%	$189.28Mn
15	Holocene Advisors, LP	0001700574	1,292,191	2.29%	▲583,302	+82.28%	$176.31Mn
16	RTW INVESTMENTS, LP	0001493215	1,240,637	2.20%	▲34,637	+2.87%	$169.27Mn
17	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,062,476	1.88%	▼1,981	-0.19%	$145.00Mn
18	CONGRESS ASSET MANAGEMENT CO	0000897378	1,012,226	1.79%	▲214,359	+26.87%	$138.11Mn
19	Conestoga Capital Advisors, LLC	0001163744	980,983	1.74%	▼116,800	-10.64%	$133.85Mn
20	Goldman Sachs Group Inc	0000886982	965,411	1.71%	▲314,064	+48.22%	$131.72Mn

Showing 1 to 20 of 482 holders