Parallax Volatility Advisers, L.P.
Position in MU — Micron Technology Inc
CIK 1521001
San Francisco, CA
Position in MU
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$23,969,410
+$20,916,951 QoQ
Shares Held
70,949
+563.4% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
1.66%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MU Over Time
Shares Held
Position Value (USD)
Derivatives in MU
reported options exposure · as of Mar 31, 2026CallValue
$11,824,400
CallShares
35,000
PutValue
$142,095,504
PutShares
420,600
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 Semiconductors
Technology · as of Mar 31, 2026Parallax Volatility Advisers, L.P. holds $94,445,065 across 16 Semiconductors names. MU ranks #1 (25.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MU |
Micron Technology Inc
This page
|
70,949 | $23,969,410 | |
| 2 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
53,882 | $18,209,421 | |
| 3 | MRVL |
Marvell Technology, Inc.
|
104,246 | $10,325,566 | |
| 4 | INTC |
Intel Corp
|
222,847 | $9,834,238 | |
| 5 | NVDA |
Nvidia Corp
|
52,174 | $9,099,145 | |
| 6 | CRDO |
Credo Technology Group Holding Ltd
|
73,390 | $6,889,119 | |
| 7 | TXN |
Texas Instruments Inc
|
21,577 | $4,188,958 | |
| 8 | QCOM |
Qualcomm Inc/De
|
23,772 | $3,061,358 |
All Filings in MU
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $23,969,410 | 70,949 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $142,095,504 | 420,600 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $11,824,400 | 35,000 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $53,628,539 | 187,900 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $3,052,459 | 10,695 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $172,159,312 | 603,200 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $16,898,316 | 100,994 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $57,725,400 | 345,000 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $34,417,724 | 205,700 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $62,438,450 | 506,600 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $48,363,300 | 392,400 | Call | Sole | 2025-08-14 | |
| 2025-03-31 | $23,195,546 | 266,953 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $92,355,381 | 1,062,900 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $139,988,479 | 1,611,100 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $88,721,472 | 1,054,200 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $51,800,480 | 615,500 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $23,140,293 | 223,125 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $34,120,590 | 329,000 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $126,018,021 | 1,215,100 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $34,645,791 | 263,406 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $67,159,218 | 510,600 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $43,325,982 | 329,400 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $5,989,047 | 50,802 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $66,749,318 | 566,200 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $56,681,512 | 480,800 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $29,595,912 | 346,800 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $140,580,582 | 1,647,300 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $85,666,425 | 1,003,825 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $23,980,575 | 352,500 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $260,731,778 | 3,832,600 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $24,555,088 | 360,945 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $74,267,848 | 1,176,800 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $13,169,100 | 208,669 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $160,248,912 | 2,539,200 | Put | Sole | 2023-08-14 | |
| 2023-03-31 | $8,387 | 139 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $84,180,334 | 1,395,100 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $93,056,348 | 1,542,200 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $88,849,446 | 1,777,700 | Put | Sole | 2023-02-27 | |
| 2022-12-31 | $105,807,660 | 2,117,000 | Call | Sole | 2023-02-27 | |
| 2022-12-31 | $12,744 | 255 | Shares | Sole | 2023-02-27 | |
| 2022-09-30 | $12,775 | 255 | Shares | Sole | 2022-11-21 | |
| 2022-09-30 | $59,148,060 | 1,180,600 | Put | Sole | 2022-11-21 | |
| 2022-09-30 | $123,731,970 | 2,469,700 | Call | Sole | 2022-11-21 | |
| 2022-06-30 | $116,530,240 | 2,108,000 | Call | Sole | 2022-08-17 | |
| 2022-06-30 | $4,146 | 75 | Shares | Sole | 2022-08-17 | |
| 2022-06-30 | $111,383,672 | 2,014,900 | Put | Sole | 2022-08-17 | |
| 2022-03-31 | $141,900,002 | 1,821,800 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $10,341,299 | 132,768 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $191,726,235 | 2,461,500 | Put | Sole | 2022-05-16 | |
| 2021-06-30 | $248,252,074 | 2,921,300 | Put | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||