Twin Tree Management, LP

Position in PFE — Pfizer Inc

CIK 1535588 DALLAS, TX

Back to PFE Full portfolio

Position in PFE

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$1,620,752

+$1,620,752 QoQ

Shares Held

67,307

Ownership

0.001%

of shares outstanding

% of Portfolio

0.28%

of 13F equity value

Holder Rank

#1,052

of 2,821 holders

Holding Since

Mar 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 Jun 30, 2026

CallValue

$16,410,520

CallShares

681,500

PutValue

$18,067,224

PutShares

750,300

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

Twin Tree Management, LP holds $3,384,238 across 4 Drug Manufacturers - General names. PFE ranks #1 (47.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PFE	Pfizer Inc This page	67,307	$1,620,752
2	BIIB	Biogen Inc.	5,507	$1,189,842
3	LLY	ELI LILLY & Co	351	$420,999
4	NVS	Novartis AG	974	$152,645

All Filings in PFE

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49 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,620,752	67,307	-76.9%	Shares	Sole	2026-08-12
2026-06-30	$16,410,520	681,500	+54.8%	Call	Sole	2026-08-12
2026-06-30	$18,067,224	750,300	+161.6%	Put	Sole	2026-08-12
2026-03-31	$8,053,344	286,800	-79.3%	Put	Sole	2026-05-14
2026-03-31	$12,360,816	440,200	-57.7%	Call	Sole	2026-05-14
2025-12-31	$34,464,090	1,384,100	-20.3%	Put	Sole	2026-02-11
2025-12-31	$25,920,900	1,041,000	-33.4%	Call	Sole	2026-02-11
2025-09-30	$7,424,872	291,400	-58.3%	Shares	Sole	2025-11-13
2025-09-30	$39,804,856	1,562,200	-54.5%	Call	Sole	2025-11-13
2025-06-30	$42,100,032	1,736,800	+0.0%	Put	Sole	2025-07-28
2025-06-30	$83,196,528	3,432,200	+119.2%	Call	Sole	2025-07-28
2025-03-31	$44,002,910	1,736,500	-46.4%	Put	Sole	2025-05-15
2025-03-31	$17,708,960	698,854	+13.2%	Shares	Sole	2025-05-15
2025-03-31	$39,682,440	1,566,000	-47.3%	Call	Sole	2025-05-15
2024-12-31	$78,905,526	2,974,200	+49.1%	Call	Sole	2025-02-10
2024-12-31	$85,914,752	3,238,400	-5.9%	Put	Sole	2025-02-10
2024-09-30	$99,640,420	3,443,000	+39.1%	Put	Sole	2024-11-13
2024-09-30	$17,859,018	617,105	-11.5%	Shares	Sole	2024-11-13
2024-09-30	$57,726,618	1,994,700	+51.6%	Call	Sole	2024-11-13
2024-06-30	$36,821,680	1,316,000	-22.8%	Call	Sole	2024-08-13
2024-06-30	$69,236,510	2,474,500	-7.6%	Put	Sole	2024-08-13
2024-03-31	$47,280,450	1,703,800	+4.3%	Call	Sole	2024-05-09
2023-09-30	$23,117,665	696,945	+670.2%	Shares	Sole	2023-11-14
2023-06-30	$3,319,063	90,487	+115.5%	Shares	Sole	2023-08-11
2023-03-31	$1,713,518	41,998	-94.5%	Shares	Sole	2023-05-10
2022-03-31	$138,593,467	2,677,100	+344.0%	Put	Sole	2022-05-11
2022-03-31	$84,607,711	1,634,300	+59.3%	Call	Sole	2022-05-11
2021-12-31	$45,428,700	769,326	+406.2%	Shares	Sole	2022-02-10
2021-12-31	$60,585,300	1,026,000	+1.5%	Call	Sole	2022-02-10
2021-12-31	$35,601,245	602,900	-69.5%	Put	Sole	2022-02-10
2021-09-30	$43,470,207	1,010,700	+27.7%	Call	Sole	2021-11-12
2021-09-30	$84,949,051	1,975,100	-46.5%	Put	Sole	2021-11-12
2021-09-30	$6,537,261	151,994	+58.7%	Shares	Sole	2021-11-12
2021-06-30	$30,983,392	791,200	-28.6%	Call	Sole	2021-08-12
2021-06-30	$3,750,079	95,763	-8.7%	Shares	Sole	2021-08-12
2021-06-30	$144,606,132	3,692,700	+13.4%	Put	Sole	2021-08-12
2021-03-31	$118,008,356	3,257,200	+242.8%	Put	Sole	2021-05-17
2021-03-31	$3,798,896	104,855	-22.6%	Shares	Sole	2021-05-17
2021-03-31	$40,153,709	1,108,300	+65.9%	Call	Sole	2021-05-17
2020-12-31	$4,984,920	135,423	+59.6%	Shares	Sole	2021-02-12
2020-12-31	$34,980,543	950,300	+8.2%	Put	Sole	2021-02-12
2020-12-31	$24,596,442	668,200	+16.8%	Call	Sole	2021-02-12
2020-09-30	$32,244,588	878,600	+0.4%	Put	Sole	2020-11-13
2020-09-30	$20,996,049	572,100	-40.0%	Call	Sole	2020-11-13
2020-09-30	$3,114,689	84,869	-75.3%	Shares	Sole	2020-11-13
2020-06-30	$28,628,879	875,500	—	Put	Sole	2020-08-12
2020-06-30	$11,245,443	343,897	—	Shares	Sole	2020-08-12
2020-06-30	$31,182,752	953,600	+8050.4%	Call	Sole	2020-08-12
2020-03-31	$381,887	11,700	—	Call	Sole	2020-05-13
No filing history on record for this holder in this stock.