FMR LLC

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 315066 BOSTON, MA

Back to REGN Full portfolio

Position in REGN

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

Position Value

$1,173,015,865

-$617,387,542 QoQ

Shares Held

1,518,192

-34.5% QoQ

Ownership

1.45%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 80.64698009210957.ToString("F0")% Shared 0.ToString("F0")% None 19.353019907890438.ToString("F0")%

Common Shares in REGN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

FMR LLC holds $49,674,888,413 across 352 Biotechnology names. REGN ranks #8 (2.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	14,579,166	$4,823,808,652
2	ARGX	Argenx SE	4,991,034	$3,644,702,577
3	MRNA	Moderna, Inc.	45,672,024	$2,320,138,818
4	ROIV	Roivant Sciences Ltd.	77,981,253	$2,160,080,705
5	INSM	INSMED Inc	13,160,167	$2,151,950,504
6	IONS	Ionis Pharmaceuticals Inc	24,556,637	$1,843,957,869
7	RPRX	Royalty Pharma plc	25,152,242	$1,206,553,046
8	REGN	Regeneron Pharmaceuticals, Inc. This page	1,518,192	$1,173,015,865

All Filings in REGN

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,173,015,865	1,518,192	-34.5%	Shares	Defined	2026-05-15
2025-12-31	$1,790,403,407	2,319,566	+19.8%	Shares	Defined	2026-02-17
2025-09-30	$1,088,461,943	1,935,835	-41.8%	Shares	Defined	2025-11-13
2025-06-30	$1,746,701,775	3,327,051	-56.2%	Shares	Defined	2025-08-14
2025-03-31	$4,819,249,927	7,598,584	-7.3%	Shares	Defined	2025-05-12
2024-12-31	$5,840,806,104	8,199,579	-20.9%	Shares	Defined	2025-02-13
2024-09-30	$10,893,685,796	10,362,701	-2.7%	Shares	Defined	2024-11-13
2024-06-30	$11,192,916,655	10,649,474	-1.3%	Shares	Defined	2024-08-13
2024-03-31	$10,389,186,355	10,794,072	+4.6%	Shares	Defined	2024-05-13
2023-12-31	$9,061,682,417	10,317,415	+4.8%	Shares	Defined	2024-02-13
2023-09-30	$8,098,660,477	9,840,892	+7.3%	Shares	Defined	2023-11-13
2023-06-30	$6,589,999,790	9,171,375	-2.8%	Shares	Defined	2023-08-11
2023-03-31	$7,756,643,677	9,440,096	-14.9%	Shares	Defined	2023-08-11
2022-12-31	$8,006,368,034	11,096,991	+2.7%	Shares	Defined	2023-02-13
2022-09-30	$7,446,509,723	10,809,746	+6.2%	Shares	Defined	2022-11-10
2022-06-30	$6,015,456,513	10,176,199	+1.9%	Shares	Defined	2022-08-12
2022-03-31	$6,972,343,619	9,983,024	-0.8%	Shares	Defined	2022-05-13
2021-12-31	$6,354,964,917	10,062,967	-9.1%	Shares	Defined	2022-02-14
2021-09-30	$6,698,102,585	11,067,951	+1.4%	Shares	Defined	2022-02-14
2021-06-30	$6,094,059,025	10,910,694	-0.2%	Shares	Defined	2021-08-13
2021-03-31	$5,174,253,833	10,935,989	-4.8%	Shares	Defined	2021-05-14
2020-12-31	$5,546,863,214	11,481,574	-9.7%	Shares	Defined	2021-02-08
2020-09-30	$7,119,454,451	12,718,308	+2.0%	Shares	Defined	2020-11-13
2020-06-30	$7,772,849,300	12,463,480	+47.2%	Shares	Defined	2020-08-24
2020-03-31	$4,133,037,928	8,464,310	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.