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GROUP ONE TRADING LLC

Position in PFE — Pfizer Inc

CIK 932540 CHICAGO, IL

Position in PFE

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$20,911,120
+$4,281,218 QoQ
Shares Held
868,402
+46.6% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.71%
of 13F equity value
Holder Rank
#281
of 2,821 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PFE Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $26,089,534 across 7 Drug Manufacturers - General names. PFE ranks #1 (80.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PFE
Pfizer Inc
This page
868,402 $20,911,120

All Filings in PFE

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $20,911,120 868,402
2026-03-31 $16,629,902 592,233
2025-12-31 $3,969,732 159,427
2025-09-30 $5,599,128 219,746
2025-06-30 $7,232,391 298,366
2025-03-31 $9,880,775 389,928
2024-09-30 $9,564,235 330,485
2024-06-30 $4,844,037 173,125
2024-03-31 $17,153,190 618,133
2023-12-31 $21,606,031 750,470
2023-09-30 $14,824,037 446,911
2023-06-30 $5,223,635 142,411
2023-03-31 $2,317,521 56,802
2022-12-31 $20,919,293 408,261
2022-09-30 $11,405,431 260,636
2022-06-30 $20,571,959 392,370
2021-09-30 $17,069,765 396,879
2021-06-30 $32,911,121 840,427
2021-03-31 $8,722,227 240,746
2020-12-31 $19,129,641 519,686
2020-09-30 $3,164,564 86,228
2020-06-30 $6,326,279 193,464
2020-03-31 $9,043,356 277,064