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Parallax Volatility Advisers, L.P.

Position in PFE — Pfizer Inc

CIK 1521001 San Francisco, CA

Position in PFE

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$656,806
+$656,610 QoQ
Shares Held
27,276
+389557.1% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#1,576
of 2,826 holders
Holding Since
Mar 2020
26 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
$43,888,208
CallShares
1,822,600
PutValue
$6,222,272
PutShares
258,400

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

Parallax Volatility Advisers, L.P. holds $35,775,129 across 10 Drug Manufacturers - General names. PFE ranks #7 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 PFE
Pfizer Inc
This page
27,276 $656,806

All Filings in PFE

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,222,272 258,400
2026-06-30 $43,888,208 1,822,600
2026-06-30 $656,806 27,276
2026-03-31 $33,898,176 1,207,200
2026-03-31 $3,709,368 132,100
2026-03-31 $196 7
2025-12-31 $2,338,110 93,900
2025-12-31 $50,161,050 2,014,500
2025-09-30 $5,539,352 217,400
2025-09-30 $26,175,604 1,027,300
2025-06-30 $10,003,848 412,700
2025-06-30 $3,598,064 148,435
2025-06-30 $13,656,816 563,400
2025-03-31 $3,010,011 118,785
2025-03-31 $15,130,514 597,100
2025-03-31 $19,073,418 752,700
2024-12-31 $43,604,708 1,643,600
2024-12-31 $14,993,960 565,170
2024-12-31 $16,976,547 639,900
2024-09-30 $16,984,886 586,900
2024-09-30 $8,660,266 299,249
2024-09-30 $36,328,382 1,255,300
2024-06-30 $22,350,424 798,800
2024-06-30 $23,774,354 849,691
2024-06-30 $44,463,018 1,589,100
2024-03-31 $14,072,025 507,100
2024-03-31 $59,473,800 2,143,200
2024-03-31 $16,564,308 596,912
2023-12-31 $39,013,329 1,355,100
2023-12-31 $43,708,978 1,518,200
2023-12-31 $6,804,372 236,345
2023-09-30 $27,036,867 815,100
2023-09-30 $8,238,897 248,384
2023-09-30 $31,023,901 935,300
2023-06-30 $4,972,927 135,576
2023-06-30 $39,632,740 1,080,500
2023-06-30 $57,616,944 1,570,800
2023-03-31 $46,503,840 1,139,800
2023-03-31 $30,575,520 749,400
2022-12-31 $136,257,408 2,659,200
2022-12-31 $28,187,124 550,100
2022-09-30 $59,841,800 1,367,500
2022-09-30 $29,988,728 685,300
2022-06-30 $125,679,953 2,397,100
2022-06-30 $62,035,176 1,183,200
2022-03-31 $71,432,246 1,379,800
2022-03-31 $4,100,184 79,200
2022-03-31 $71,328,706 1,377,800
2021-12-31 $202,494,260 3,429,200
2021-12-31 $171,392,625 2,902,500