CSS LLC/IL

Position in PFE — Pfizer Inc

CIK 1103646 CHICAGO, IL

Back to PFE Full portfolio

Position in PFE

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

Position Value

$827,172

-$215,185 QoQ

Shares Held

34,351

-7.5% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#1,435

of 2,821 holders

Holding Since

Jun 2020

22 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in PFE Over Time

Shares Held

Position Value (USD)

Derivatives in PFE

reported options exposure · as of Sep 30, 2025

CallValue

$764,400

CallShares

30,000

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. PFE ranks #4 (13.2% 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 This page	34,351	$827,172
5	OGN	Organon & Co.	48,743	$659,980
6	BIIB	Biogen Inc.	2,880	$622,252

All Filings in PFE

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37 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$827,172	34,351	-7.5%	Shares	Sole	2026-08-14
2026-03-31	$1,042,357	37,121	-12.0%	Shares	Sole	2026-05-15
2025-12-31	$1,050,057	42,171	+274.9%	Shares	Sole	2026-02-17
2025-09-30	$286,650	11,250	-67.7%	Shares	Sole	2025-11-13
2025-09-30	$764,400	30,000	0.0%	Call	Sole	2025-11-13
2025-06-30	$727,200	30,000	0.0%	Call	Sole	2025-08-14
2025-06-30	$843,067	34,780	-32.5%	Shares	Sole	2025-08-14
2025-03-31	$760,200	30,000	+50.0%	Call	Sole	2025-05-15
2025-03-31	$1,306,530	51,560	+67.1%	Shares	Sole	2025-05-15
2024-12-31	$818,689	30,859	-6.8%	Shares	Sole	2025-02-18
2024-09-30	$957,885	33,099	+106.9%	Shares	Sole	2024-11-14
2024-09-30	$578,800	20,000	-33.3%	Call	Sole	2024-11-14
2024-06-30	$839,400	30,000	0.0%	Call	Sole	2024-08-14
2024-06-30	$447,652	15,999	-20.0%	Shares	Sole	2024-08-14
2024-03-31	$554,972	19,999	-31.0%	Shares	Sole	2024-05-15
2024-03-31	$832,500	30,000	+197.0%	Call	Sole	2024-05-15
2023-12-31	$834,881	28,999	-32.6%	Shares	Sole	2024-02-14
2023-09-30	$1,426,276	42,999	+30.3%	Shares	Sole	2023-11-14
2023-06-30	$370,468	10,100	-59.6%	Call	Sole	2023-08-14
2023-06-30	$1,210,403	32,999	+38.1%	Shares	Sole	2023-08-14
2023-03-31	$975,079	23,899	+50.3%	Shares	Sole	2023-05-15
2022-12-31	$814,664	15,899	0.0%	Shares	Sole	2023-02-14
2022-09-30	$695,740	15,899	+51.4%	Shares	Sole	2022-11-14
2022-06-30	$550,515	10,500	-12.5%	Shares	Sole	2022-08-15
2022-06-30	$1,048,600	20,000	-50.0%	Put	Sole	2022-08-15
2022-03-31	$2,070,800	40,000	-27.3%	Put	Sole	2022-05-16
2022-03-31	$621,240	12,000	+20.0%	Shares	Sole	2022-05-16
2021-12-31	$590,500	10,000	+400.0%	Shares	Sole	2022-02-14
2021-12-31	$3,247,750	55,000	+120.0%	Put	Sole	2022-02-14
2021-09-30	$86,020	2,000	-96.1%	Shares	Sole	2021-11-15
2021-09-30	$1,075,250	25,000	-46.0%	Call	Sole	2021-11-15
2021-09-30	$1,075,250	25,000	-46.0%	Put	Sole	2021-11-15
2020-09-30	$1,699,208	46,300	-56.1%	Call	Sole	2020-11-16
2020-09-30	$1,699,208	46,300	-17.2%	Put	Sole	2020-11-16
2020-06-30	$3,446,583	105,400	—	Call	Sole	2020-08-14
2020-06-30	$1,665,020	50,918	—	Shares	Sole	2020-08-14
2020-06-30	$1,827,931	55,900	—	Put	Sole	2020-08-14
No filing history on record for this holder in this stock.