RHUMBLINE ADVISERS

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1115418 BOSTON, MA

Position in REGN

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$121,907,911

-$2,212,644 QoQ

Shares Held

157,781

-1.9% QoQ

Ownership

0.150%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 60.45848359434913.ToString("F0")% Shared 0.ToString("F0")% None 39.541516405650874.ToString("F0")%

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,237,828,718 across 284 Biotechnology names. REGN ranks #2 (9.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	423,140	$188,948,935
2	REGN	Regeneron Pharmaceuticals, Inc. This page	157,781	$121,907,911
3	INCY	Incyte Corp	693,665	$65,287,749
4	ALNY	Alnylam Pharmaceuticals, Inc.	195,277	$64,611,300
5	INSM	INSMED Inc	272,615	$44,578,004
6	JAZZ	Jazz Pharmaceuticals plc	164,542	$31,106,665
7	EXEL	Exelixis, Inc.	723,931	$31,049,400
8	ROIV	Roivant Sciences Ltd.	1,113,266	$30,837,468

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$121,907,911	157,781	-1.9%	Shares	Sole	2026-05-12
2025-12-31	$124,120,555	160,805	-4.3%	Shares	Sole	2026-02-13
2025-09-30	$94,461,922	168,001	-1.6%	Shares	Sole	2025-11-06
2025-06-30	$89,595,975	170,659	-1.4%	Shares	Sole	2025-08-12
2025-03-31	$109,827,706	173,167	+1.5%	Shares	Sole	2025-05-29
2024-12-31	$121,537,744	170,620	-2.4%	Shares	Sole	2025-05-29
2024-09-30	$183,699,985	174,746	-3.0%	Shares	Sole	2024-11-12
2024-06-30	$189,287,349	180,097	-1.9%	Shares	Sole	2024-08-01
2024-03-31	$176,681,401	183,567	+1.1%	Shares	Sole	2024-05-09
2023-12-31	$159,495,707	181,598	-0.9%	Shares	Sole	2024-02-08
2023-09-30	$150,830,462	183,278	-1.5%	Shares	Sole	2023-11-09
2023-06-30	$133,700,893	186,073	+1.3%	Shares	Sole	2023-08-08
2023-03-31	$150,944,065	183,704	-2.2%	Shares	Sole	2023-05-11
2022-12-31	$135,571,578	187,905	+5.0%	Shares	Sole	2023-02-14
2022-09-30	$123,306,352	178,998	+3.1%	Shares	Sole	2022-11-10
2022-06-30	$102,604,207	173,573	+6.4%	Shares	Sole	2022-08-11
2022-03-31	$113,930,460	163,126	+0.7%	Shares	Sole	2022-05-12
2021-12-31	$102,305,608	161,999	+0.5%	Shares	Sole	2022-02-10
2021-09-30	$97,595,563	161,267	-0.3%	Shares	Sole	2021-11-12
2021-06-30	$90,367,303	161,792	-2.1%	Shares	Sole	2021-08-05
2021-03-31	$78,186,385	165,250	-5.0%	Shares	Sole	2021-05-06
2020-12-31	$84,000,268	173,874	-9.9%	Shares	Sole	2021-02-10
2020-09-30	$107,969,246	192,878	-1.5%	Shares	Sole	2020-11-12
2020-06-30	$122,171,164	195,897	+33.8%	Shares	Sole	2020-08-13
2020-03-31	$71,509,582	146,449	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.