Holocene Advisors, LP

Position in RGEN — Repligen Corp

CIK 1700574 New York, NY

Position in RGEN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$83,521,301

-$73,954,713 QoQ

Shares Held

708,889

-26.2% QoQ

Ownership

1.26%

of shares outstanding

% of Portfolio

0.20%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

Holocene Advisors, LP holds $727,279,709 across 10 Medical Instruments & Supplies names. RGEN ranks #2 (11.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	1,040,185	$479,514,883
2	RGEN	Repligen Corp This page	708,889	$83,521,301
3	WST	West Pharmaceutical Services Inc	203,621	$51,035,567
4	TFX	Teleflex Inc	415,335	$49,678,219
5	MDLN	Medline Inc.	832,316	$37,038,062
6	BDX	Becton Dickinson & Co	76,973	$12,102,464
7	XRAY	DENTSPLY SIRONA Inc.	715,187	$8,296,169
8	ATR	Aptargroup, Inc.	37,857	$4,770,739

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.