Magnetar Financial LLC

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1352851 EVANSTON, IL

Position in REGN

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$835,543

-$37,539 QoQ

Shares Held

1,340

+18.6% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#679

of 1,312 holders

Holding Since

Sep 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Magnetar Financial LLC holds $120,812,551 across 42 Biotechnology names. REGN ranks #5 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TECH	BIO-TECHNE Corp	761,911	$53,829,012
2	APGE	Apogee Therapeutics, Inc.	399,123	$52,975,594
3	ARQT	Arcutis Biotherapeutics, Inc.	56,082	$1,470,469
4	XENE	Xenon Pharmaceuticals Inc.	18,213	$1,099,336
5	REGN	Regeneron Pharmaceuticals, Inc. This page	1,340	$835,543
6	MLYS	Mineralys Therapeutics, Inc.	30,337	$818,492
7	IMNM	Immunome Inc.	32,589	$690,560
8	PRAX	Praxis Precision Medicines, Inc.	1,911	$639,783

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$835,543	1,340	+18.6%	Shares	Sole	2026-08-14
2026-03-31	$873,082	1,130	-13.5%	Shares	Sole	2026-05-13
2025-09-30	$734,886	1,307	+178.1%	Shares	Sole	2025-11-13
2025-06-30	$246,750	470	-95.9%	Shares	Sole	2025-08-12
2025-03-31	$7,320,282	11,542	-89.3%	Shares	Sole	2025-05-15
2024-12-31	$77,038,488	108,150	+1445.0%	Shares	Sole	2025-02-11
2024-09-30	$7,358,680	7,000	-79.0%	Shares	Sole	2024-11-13
2024-03-31	$32,009,529	33,257	-51.3%	Shares	Sole	2024-05-15
2023-06-30	$49,090,652	68,320	+1200.6%	Shares	Sole	2023-08-11
2022-09-30	$3,618,634	5,253	+1044.4%	Shares	Sole	2022-11-14
2022-06-30	$271,328	459	-92.1%	Shares	Sole	2022-08-15
2021-03-31	$2,759,352	5,832	+89.4%	Shares	Sole	2021-05-14
2020-12-31	$1,487,978	3,080	-2.5%	Shares	Sole	2021-02-12
2020-09-30	$1,768,904	3,160	—	Shares	Sole	2020-11-16
No filing history on record for this holder in this stock.