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Parallax Volatility Advisers, L.P.

Position in MOS — Mosaic Co

CIK 1521001 San Francisco, CA

Position in MOS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$602,622
-$896,650 QoQ
Shares Held
28,439
-51.6% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#319
of 660 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MOS Over Time

Shares Held

Position Value (USD)

Derivatives in MOS

reported options exposure · as of Jun 30, 2026
CallValue
$5,297,500
CallShares
250,000
PutValue
$2,941,172
PutShares
138,800

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 Agricultural Inputs

Basic Materials · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $1,098,994 across 2 Agricultural Inputs names. MOS ranks #1 (54.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MOS
Mosaic Co
This page
28,439 $602,622

All Filings in MOS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $602,622 28,439
2026-06-30 $2,941,172 138,800
2026-06-30 $5,297,500 250,000
2026-03-31 $1,499,272 58,795
2026-03-31 $8,001,900 313,800
2026-03-31 $6,375,000 250,000
2025-12-31 $4,548,192 188,800
2025-12-31 $1,927,200 80,000
2025-12-31 $3,020,091 125,367
2025-09-30 $2,774,400 80,000
2025-06-30 $1,205,773 33,053
2025-06-30 $364,800 10,000
2025-03-31 $270,100 10,000
2024-12-31 $3,505,108 142,600
2024-12-31 $3,518,823 143,158
2024-12-31 $5,820,544 236,800
2024-09-30 $4,017,000 150,000
2024-09-30 $21,424 800
2024-09-30 $2,359,639 88,112
2024-06-30 $2,167,500 75,000
2024-06-30 $7,248,120 250,800
2024-03-31 $25,968 800
2024-03-31 $5,037,792 155,200
2024-03-31 $1,434,050 44,179
2023-12-31 $868,453 24,306
2023-12-31 $1,665,018 46,600
2023-12-31 $3,823,110 107,000
2023-09-30 $1,114,280 31,300
2023-09-30 $1,769,426 49,703
2023-09-30 $3,567,120 100,200
2023-06-30 $168,000 4,800
2023-06-30 $2,058,000 58,800
2023-06-30 $860,160 24,576
2023-03-31 $2,294,000 50,000
2023-03-31 $4,170,492 90,900
2023-03-31 $1,621,032 35,332
2022-12-31 $9,484,694 216,200
2022-12-31 $9,505,532 216,675
2022-12-31 $21,601,588 492,400
2022-09-30 $8,584,422 177,621
2022-09-30 $34,546,284 714,800
2022-09-30 $23,353,056 483,200
2022-06-30 $19,534,328 413,600
2022-06-30 $9,837,300 208,285
2022-06-30 $16,653,298 352,600
2022-03-31 $24,001,579 360,926
2022-03-31 $35,171,850 528,900
2022-03-31 $20,309,100 305,400
2021-12-31 $19,283,532 490,800
2021-12-31 $25,302,760 644,000