ALLIANCEBERNSTEIN L.P.

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1109448 NASHVILLE, TN

Back to REGN Full portfolio

Position in REGN

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

Position Value

$329,850,832

-$39,403,285 QoQ

Shares Held

426,914

-10.8% QoQ

Ownership

0.407%

of shares outstanding

% of Portfolio

0.13%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 92.76294523018687.ToString("F0")% Shared 0.ToString("F0")% None 7.237054769813124.ToString("F0")%

Common Shares in REGN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $5,113,566,936 across 211 Biotechnology names. REGN ranks #2 (6.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	3,910,786	$1,746,322,380
2	REGN	Regeneron Pharmaceuticals, Inc. This page	426,914	$329,850,832
3	ARGX	Argenx SE	422,304	$308,387,496
4	GMAB	Genmab A/S	9,557,149	$256,418,307
5	BBIO	BridgeBio Pharma, Inc.	1,908,907	$141,755,433
6	TECH	BIO-TECHNE Corp	2,213,197	$115,661,675
7	INSM	INSMED Inc	688,734	$112,621,783
8	HALO	Halozyme Therapeutics, Inc.	1,736,501	$112,230,059

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	$329,850,832	426,914	-10.8%	Shares	Defined	2026-05-15
2025-12-31	$369,254,117	478,389	-8.7%	Shares	Defined	2026-02-17
2025-09-30	$294,563,694	523,883	-10.8%	Shares	Defined	2025-11-14
2025-06-30	$308,294,175	587,227	-3.7%	Shares	Defined	2025-08-14
2025-03-31	$386,631,681	609,608	-2.2%	Shares	Defined	2025-05-15
2024-12-31	$443,892,713	623,156	+7.5%	Shares	Defined	2025-02-12
2024-09-30	$609,212,502	579,518	-16.6%	Shares	Defined	2024-11-14
2024-06-30	$730,567,799	695,097	-5.6%	Shares	Defined	2024-08-14
2024-03-31	$708,905,647	736,533	-1.0%	Shares	Defined	2024-05-14
2023-12-31	$653,638,348	744,217	+7.5%	Shares	Defined	2024-02-14
2023-09-30	$569,700,643	692,258	+0.6%	Shares	Defined	2023-11-14
2023-06-30	$494,254,205	687,859	+12.2%	Shares	Defined	2023-08-15
2023-03-31	$503,590,039	612,886	+1.3%	Shares	Defined	2023-05-15
2022-12-31	$436,629,875	605,178	-7.4%	Shares	Defined	2023-02-15
2022-09-30	$450,089,058	653,373	-0.1%	Shares	Defined	2022-11-15
2022-06-30	$386,625,620	654,045	+13.2%	Shares	Defined	2022-08-15
2022-03-31	$403,595,266	577,869	+1.4%	Shares	Defined	2022-05-13
2021-12-31	$360,042,182	570,120	+13.6%	Shares	Defined	2022-02-14
2021-09-30	$303,610,333	501,686	-43.0%	Shares	Defined	2021-11-10
2021-06-30	$491,599,539	880,151	-57.6%	Shares	Defined	2021-07-30
2021-03-31	$982,830,538	2,077,251	+17.8%	Shares	Defined	2021-05-06
2020-12-31	$851,889,119	1,763,344	+13.4%	Shares	Defined	2021-02-08
2020-09-30	$870,126,510	1,554,408	+0.8%	Shares	Defined	2020-11-12
2020-06-30	$962,133,542	1,542,746	-15.4%	Shares	Defined	2020-08-13
2020-03-31	$890,902,683	1,824,536	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.