Parallax Volatility Advisers, L.P.
Position in MP — MP Materials Corp. / DE
CIK 1521001
San Francisco, CA
Position in MP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
18 quarters on record
Common Shares in MP Over Time
Shares Held
Position Value (USD)
Derivatives in MP
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$8,445,500
PutShares
175,000
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 Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026Parallax Volatility Advisers, L.P. holds $551,095 across 1 Other Industrial Metals & Mining name.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BHP |
BHP Group Ltd
|
6,615 | $551,095 |
All Filings in MP
Export CSV
36 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,445,500 | 175,000 | Put | Sole | 2026-05-15 | |
| 2025-12-31 | $71,773,764 | 1,420,700 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $1,515,600 | 30,000 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $93,609,599 | 1,395,700 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $46,434,939 | 1,395,700 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $31,383,937 | 1,285,700 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $88,315 | 3,618 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $17,924 | 1,149 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $15,844,920 | 1,015,700 | Put | Sole | 2025-02-14 | |
| 2024-09-30 | $17,838,855 | 1,010,700 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $21,475 | 1,687 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $8,395,435 | 659,500 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $71,657 | 5,011 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $9,366,500 | 655,000 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $10,063,950 | 507,000 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $1,097,705 | 55,300 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $804,719 | 40,540 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $88,872 | 4,653 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $22,920 | 1,200 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $95,500 | 5,000 | Put | Sole | 2023-11-14 | |
| 2023-06-30 | $132,704 | 5,800 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $10,730 | 469 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $109,824 | 4,800 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $197,160 | 6,994 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $389,022 | 13,800 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $735,759 | 26,100 | Put | Sole | 2023-05-15 | |
| 2022-06-30 | $6,534,696 | 203,700 | Put | Sole | 2022-08-17 | |
| 2022-06-30 | $11,381,984 | 354,800 | Call | Sole | 2022-08-17 | |
| 2022-03-31 | $15,825,840 | 276,000 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $13,228,338 | 230,700 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $4,510,206 | 99,300 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $13,830,390 | 304,500 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $19,338 | 600 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $219,164 | 6,800 | Call | Sole | 2021-11-15 | |
| 2021-03-31 | $1,048,158 | 29,156 | Shares | Sole | 2021-05-14 | |
| 2021-03-31 | $3,595,000 | 100,000 | Put | Sole | 2021-05-14 | |
| No filing history on record for this holder in this stock. | ||||||