How many shares of PFE does SIMPLEX TRADING, LLC own?

As of 2026-Q2, SIMPLEX TRADING, LLC holds 640,977 shares of PFE (PFIZER INC).

What is SIMPLEX TRADING, LLC's PFE position worth?

As of 2026-Q2, SIMPLEX TRADING, LLC's PFE position is worth $15.4M.

In 2026-Q2, SIMPLEX TRADING, LLC decreased their PFE position (-49.4% change in shares).

Based on available 13F filings, SIMPLEX TRADING, LLC first reported a position in PFE in 2019-Q1. They have held the position across 29 quarters.

Position history for SIMPLEX TRADING, LLC's holdings in PFIZER INC

Current Value

$15.4M

Current Shares

640,977

Total Value Change

+$12.8M

Total Shares Change

+579,770

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	640,977	-49.4%	$15.4M	0.0%	$23.67	0
2026-Q1	Decreased	1.3M	-15.1%	$35.6M	0.0%	$27.15	0
2025-Q4	Increased	1.5M	+15.0%	$37.1M	0.0%	$23.68	33
2025-Q3	Increased	1.3M	+3692.8%	$33M	0.0%	$23.81	47
2025-Q2	Decreased	34,183	-97.9%	$828,000	0.0%	$22.27	0
2025-Q1	Increased	1.6M	+3.2%	$41M	0.0%	$22.84	30
2024-Q4	Increased	1.6M	+495.8%	$41.6M	0.0%	$23.53	47
2024-Q3	Decreased	262,966	-88.0%	$7.6M	0.0%	$25.27	0
2024-Q2	Decreased	2.2M	-52.3%	$61.4M	0.0%	$24.09	0
2024-Q1	Increased	4.6M	+233.7%	$127.8M	0.1%	$23.54	49
2023-Q4	Decreased	1.4M	-29.4%	$39.7M	0.0%	$24.06	0
2023-Q3	Increased	2M	+272.4%	$64.9M	0.1%	$27.35	48
2023-Q2	Increased	525,221	+802.9%	$19.3M	0.0%	$29.91	46
2023-Q1	Increased	58,169	+7.7%	$2.4M	0.0%	$32.92	28
2022-Q4	Decreased	53,990	-93.7%	$2.8M	0.0%	$40.96	0
2022-Q3	New	855,584	-	$37.4M	0.0%	$34.68	40
2022-Q2	Exited	0	-100.0%	$0	0.0%	$41.24	0
2022-Q1	Increased	130,516	+297.2%	$6.8M	0.0%	$40.39	44
2021-Q4	Decreased	32,862	-52.7%	$1.9M	0.0%	$45.72	0
2021-Q3	Increased	69,460	+27.8%	$2.7M	0.0%	$33.01	33
2021-Q2	Decreased	54,346	-88.3%	$2.1M	0.0%	$29.79	0
2021-Q1	New	464,628	-	$16.8M	0.0%	$27.29	39
2020-Q4	Exited	0	-100.0%	$0	0.0%	$27.43	0
2020-Q3	Decreased	14,137	-96.7%	$518,000	0.0%	$25.68	0
2020-Q2	New	425,329	-	$13.9M	0.0%	$22.66	39
2019-Q4	Exited	0	-100.0%	$0	0.0%	$26.61	0
2019-Q3	Decreased	178,713	-0.4%	$6.4M	0.0%	$24.17	0
2019-Q2	Increased	179,410	+193.1%	$7.8M	0.0%	$28.87	44
2019-Q1	New	61,207	-	$2.6M	0.0%	$28.06	36