MORGAN STANLEY

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 895421 NEW YORK, NY

Back to REGN Full portfolio

Position in REGN

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

Position Value

$1,019,366,352

-$53,010,382 QoQ

Shares Held

1,319,329

-5.0% QoQ

Ownership

1.26%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 71.8033939980096.ToString("F0")% Shared 0.ToString("F0")% None 28.196606001990403.ToString("F0")%

Common Shares in REGN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

MORGAN STANLEY holds $15,438,935,225 across 518 Biotechnology names. REGN ranks #4 (6.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RPRX	Royalty Pharma plc	43,571,633	$2,090,131,227
2	ROIV	Roivant Sciences Ltd.	51,828,325	$1,435,644,595
3	VRTX	Vertex Pharmaceuticals Inc / Ma	3,188,881	$1,423,962,911
4	REGN	Regeneron Pharmaceuticals, Inc. This page	1,319,329	$1,019,366,352
5	TECH	BIO-TECHNE Corp	8,532,873	$445,927,935
6	MRNA	Moderna, Inc.	8,471,263	$430,340,154
7	ARGX	Argenx SE	560,711	$409,459,203
8	APLS	Apellis Pharmaceuticals, Inc.	10,042,399	$404,005,708

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	$1,019,366,352	1,319,329	-5.0%	Shares	Defined	2026-05-15
2025-12-31	$1,072,376,734	1,389,323	-4.2%	Shares	Defined	2026-05-27
2025-09-30	$815,838,017	1,450,972	+12.7%	Shares	Defined	2026-05-27
2025-06-30	$676,023,075	1,287,663	+2.9%	Shares	Defined	2025-08-15
2025-03-31	$793,392,547	1,250,954	-12.5%	Shares	Defined	2025-05-15
2024-12-31	$1,018,895,453	1,430,370	+20.7%	Shares	Defined	2025-05-15
2024-09-30	$1,246,232,396	1,185,488	-11.6%	Shares	Defined	2025-05-14
2024-06-30	$1,409,744,429	1,341,298	+0.1%	Shares	Defined	2025-05-14
2024-03-31	$1,289,254,385	1,339,499	+17.5%	Shares	Defined	2024-10-17
2023-12-31	$1,000,828,133	1,139,519	+17.4%	Shares	Defined	2024-08-16
2023-09-30	$799,058,766	970,957	+2.7%	Shares	Defined	2023-11-15
2023-06-30	$679,138,851	945,165	+3.6%	Shares	Defined	2023-08-14
2023-03-31	$749,589,812	912,276	+2.6%	Shares	Defined	2023-05-15
2022-12-31	$641,677,325	889,378	+11.1%	Shares	Defined	2023-02-14
2022-09-30	$551,300,590	800,297	+5.6%	Shares	Defined	2022-11-14
2022-06-30	$448,102,543	758,044	+65.3%	Shares	Defined	2022-10-27
2022-03-31	$320,230,456	458,507	-14.5%	Shares	Defined	2022-10-27
2021-12-31	$338,514,924	536,032	+8.4%	Shares	Defined	2022-02-14
2021-09-30	$299,378,307	494,693	-2.2%	Shares	Defined	2021-11-15
2021-06-30	$282,577,112	505,921	-14.0%	Shares	Defined	2021-08-23
2021-03-31	$278,385,162	588,378	+7.5%	Shares	Defined	2021-05-17
2020-12-31	$264,423,974	547,337	+56.1%	Shares	Defined	2021-02-16
2020-09-30	$196,334,992	350,736	-2.6%	Shares	Defined	2020-11-13
2020-06-30	$224,646,209	360,212	+7.4%	Shares	Defined	2020-08-14
2020-03-31	$163,747,070	335,348	—	Shares	Defined	2020-05-26
No filing history on record for this holder in this stock.