Holocene Advisors, LP

Position in RGEN — Repligen Corp

CIK 1700574 New York, NY

Position in RGEN

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$176,306,540

+$92,785,239 QoQ

Shares Held

1,292,191

+82.3% QoQ

Ownership

2.29%

of shares outstanding

% of Portfolio

0.41%

of 13F equity value

Holder Rank

#15

of 482 holders

Holding Since

Sep 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Holocene Advisors, LP holds $848,642,556 across 9 Medical Instruments & Supplies names. RGEN ranks #2 (20.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	781,465	$310,773,001
2	RGEN	Repligen Corp This page	1,292,191	$176,306,540
3	TFX	Teleflex Inc	886,281	$112,344,979
4	WST	West Pharmaceutical Services Inc	275,421	$98,876,139
5	COO	Cooper Companies, Inc.	1,080,677	$77,495,347
6	BAX	Baxter International Inc	2,666,396	$56,847,562
7	ATR	Aptargroup, Inc.	56,932	$7,127,886
8	MMSI	Merit Medical Systems Inc	65,406	$4,535,252

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$176,306,540	1,292,191	+82.3%	Shares	Sole	2026-08-14
2026-03-31	$83,521,301	708,889	-26.2%	Shares	Sole	2026-05-15
2025-12-31	$157,476,014	961,040	-30.2%	Shares	Sole	2026-02-17
2025-09-30	$184,077,491	1,377,104	+47.0%	Shares	Sole	2025-11-14
2025-06-30	$116,520,925	936,814	-2.4%	Shares	Sole	2025-08-14
2025-03-31	$122,148,109	959,982	+208.6%	Shares	Sole	2025-05-15
2024-12-31	$44,780,309	311,104	-9.1%	Shares	Sole	2025-02-14
2024-03-31	$62,972,000	342,388	+12.3%	Shares	Sole	2024-05-15
2023-12-31	$54,823,537	304,914	+18.7%	Shares	Sole	2024-02-14
2021-06-30	$51,258,423	256,780	+42.1%	Shares	Sole	2021-08-16
2021-03-31	$35,136,108	180,732	-21.6%	Shares	Sole	2021-05-17
2020-12-31	$44,166,307	230,477	-20.2%	Shares	Sole	2021-02-16
2020-09-30	$42,615,306	288,839	—	Shares	Sole	2020-11-16
No filing history on record for this holder in this stock.