O'SHAUGHNESSY ASSET MANAGEMENT, LLC

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1423442 Stamford, CT

Position in REGN

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$10,242,115

+$2,141,340 QoQ

Shares Held

13,256

+26.3% QoQ

Ownership

0.013%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $95,217,469 across 37 Biotechnology names. REGN ranks #2 (10.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	61,867	$27,626,090
2	REGN	Regeneron Pharmaceuticals, Inc. This page	13,256	$10,242,115
3	PBYI	Puma Biotechnology, Inc.	1,138,169	$7,272,899
4	JAZZ	Jazz Pharmaceuticals plc	34,435	$6,509,936
5	AUPH	Aurinia Pharmaceuticals Inc.	414,019	$6,135,761
6	EXEL	Exelixis, Inc.	129,866	$5,569,952
7	ARGX	Argenx SE	5,055	$3,691,413
8	RIGL	Rigel Pharmaceuticals Inc	125,662	$3,397,900

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,242,115	13,256	+26.3%	Shares	Sole	2026-05-13
2025-12-31	$8,100,775	10,495	+50.2%	Shares	Sole	2026-02-11
2025-09-30	$3,929,705	6,989	+37.2%	Shares	Sole	2025-11-13
2025-06-30	$2,673,825	5,093	-29.5%	Shares	Sole	2025-08-12
2025-03-31	$4,579,774	7,221	+17.5%	Shares	Sole	2025-05-13
2024-12-31	$4,378,692	6,147	-30.0%	Shares	Sole	2025-02-12
2024-09-30	$9,230,938	8,781	+11.1%	Shares	Sole	2024-11-12
2024-06-30	$8,305,239	7,902	+14.2%	Shares	Sole	2024-08-14
2024-03-31	$6,660,430	6,920	+17.5%	Shares	Sole	2024-05-13
2023-12-31	$5,173,128	5,890	+2.7%	Shares	Sole	2024-02-09
2023-09-30	$4,721,321	5,737	+80.2%	Shares	Sole	2023-11-13
2023-06-30	$2,287,831	3,184	-6.0%	Shares	Sole	2023-08-11
2023-03-31	$2,782,996	3,387	+0.8%	Shares	Sole	2023-05-12
2022-12-31	$2,424,927	3,361	+11.6%	Shares	Sole	2023-02-10
2022-09-30	$2,074,187	3,011	+86.9%	Shares	Sole	2022-11-14
2022-06-30	$952,310	1,611	+23.7%	Shares	Sole	2022-08-11
2022-03-31	$909,342	1,302	+69.3%	Shares	Sole	2022-05-13
2021-12-31	$485,638	769	-5.9%	Shares	Defined	2022-02-11
2021-09-30	$494,432	817	+45.6%	Shares	Sole	2021-11-10
2021-06-30	$313,340	561	+6.9%	Shares	Sole	2021-08-09
2021-03-31	$248,398	525	-15.0%	Shares	Sole	2021-05-14
2020-12-31	$298,561	618	-4.5%	Shares	Sole	2021-02-11
2020-09-30	$362,177	647	+4.7%	Shares	Sole	2020-11-12
2020-06-30	$385,415	618	+602.3%	Shares	Sole	2020-08-13
2020-03-31	$42,969	88	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.