Magnetar Financial LLC

Position in OGN — Organon & Co.

CIK 1352851 EVANSTON, IL

Position in OGN

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

Position Value

$38,047,656

+$12,169,901 QoQ

Shares Held

2,810,019

+62.0% QoQ

Ownership

1.07%

of shares outstanding

% of Portfolio

0.39%

of 13F equity value

Holder Rank

#20

of 626 holders

Holding Since

Jun 2021

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Magnetar Financial LLC holds $42,185,710 across 4 Drug Manufacturers - General names. OGN ranks #1 (90.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	OGN	Organon & Co. This page	2,810,019	$38,047,656
2	LLY	ELI LILLY & Co	1,790	$2,146,979
3	GILD	Gilead Sciences, Inc.	13,412	$1,694,471
4	NVO	Novo Nordisk A S	6,187	$296,604

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$38,047,656	2,810,019	+62.0%	Shares	Sole	2026-08-14
2024-12-31	$25,877,755	1,734,434	+560.2%	Shares	Sole	2025-02-11
2024-09-30	$5,025,508	262,703	-70.9%	Shares	Sole	2024-11-13
2024-06-30	$18,688,477	902,825	-51.1%	Shares	Sole	2024-08-14
2024-03-31	$34,680,040	1,844,683	-17.1%	Shares	Sole	2024-05-15
2023-12-31	$32,089,734	2,225,363	+1.4%	Shares	Sole	2024-02-13
2023-09-30	$38,099,783	2,194,688	+26.8%	Shares	Sole	2023-11-14
2023-06-30	$36,018,280	1,730,816	+516.2%	Shares	Sole	2023-08-11
2023-03-31	$6,606,109	280,872	+600.2%	Shares	Sole	2023-05-15
2021-09-30	$1,315,370	40,115	-96.7%	Shares	Sole	2022-01-14
2021-06-30	$36,439,273	1,204,206	—	Shares	Sole	2021-08-06
No filing history on record for this holder in this stock.