CSS LLC/IL

Position in OGN — Organon & Co.

CIK 1103646 CHICAGO, IL

Back to OGN Full portfolio

Position in OGN

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

Position Value

$659,980

+$387,837 QoQ

Shares Held

48,743

+7.3% QoQ

Ownership

0.019%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#172

of 626 holders

Holding Since

Jun 2021

20 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in OGN Over Time

Shares Held

Position Value (USD)

Derivatives in OGN

reported options exposure · as of Jun 30, 2026

CallValue

$67,700

CallShares

5,000

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

CSS LLC/IL holds $6,263,567 across 6 Drug Manufacturers - General names. OGN ranks #5 (10.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BMY	Bristol Myers Squibb Co	32,320	$1,862,278
2	MRK	Merck & Co., Inc.	10,210	$1,311,985
3	SNY	Sanofi	22,970	$979,900
4	PFE	Pfizer Inc	34,351	$827,172
5	OGN	Organon & Co. This page	48,743	$659,980
6	BIIB	Biogen Inc.	2,880	$622,252

All Filings in OGN

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$659,980	48,743	+7.3%	Shares	Sole	2026-08-14
2026-06-30	$67,700	5,000	-61.5%	Call	Sole	2026-08-14
2026-03-31	$272,143	45,433	+162.7%	Shares	Sole	2026-05-15
2025-12-31	$123,990	17,293	-61.3%	Shares	Sole	2026-02-17
2025-09-30	$476,894	44,653	+46.1%	Shares	Sole	2025-11-13
2025-06-30	$295,849	30,563	-16.0%	Shares	Sole	2025-08-14
2025-03-31	$541,593	36,373	-34.3%	Shares	Sole	2025-05-15
2024-12-31	$826,493	55,395	+1.2%	Shares	Sole	2025-02-18
2024-09-30	$1,047,271	54,745	+52.1%	Shares	Sole	2024-11-14
2024-06-30	$745,200	36,000	+50.0%	Shares	Sole	2024-08-14
2024-03-31	$451,200	24,000	+20.0%	Shares	Sole	2024-05-15
2023-12-31	$187,460	13,000	-5.8%	Call	Sole	2024-02-14
2023-12-31	$288,400	20,000	-31.0%	Shares	Sole	2024-02-14
2023-09-30	$239,568	13,800	-66.8%	Call	Sole	2023-11-14
2023-09-30	$503,440	29,000	-6.5%	Shares	Sole	2023-11-14
2023-06-30	$645,110	31,000	+181.8%	Shares	Sole	2023-08-14
2023-06-30	$865,696	41,600	—	Call	Sole	2023-08-14
2023-03-31	$258,720	11,000	-42.1%	Shares	Sole	2023-05-15
2022-12-31	$530,670	19,000	-37.7%	Shares	Sole	2023-02-14
2022-09-30	$713,700	30,500	+134.6%	Shares	Sole	2022-11-14
2022-06-30	$438,750	13,000	+2.8%	Shares	Sole	2022-08-15
2021-12-31	$384,888	12,640	0.0%	Shares	Sole	2022-02-14
2021-09-30	$414,465	12,640	0.0%	Shares	Sole	2021-11-15
2021-06-30	$382,486	12,640	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.