Position in TER
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$11,960,524
+$4,243,374 QoQ
Shares Held
24,720
-5.0% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.59%
of 13F equity value
Holder Rank
#300
of 1,422 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TER Over Time
Shares Held
Position Value (USD)
Derivatives in TER
reported options exposure · as of Jun 30, 2026CallValue
$822,528
CallShares
1,700
PutValue
$8,370,432
PutShares
17,300
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 Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026Parallax Volatility Advisers, L.P. holds $99,850,985 across 5 Semiconductor Equipment & Materials names. TER ranks #3 (12.0% of the industry book) .
All Filings in TER
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $8,370,432 | 17,300 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $11,960,524 | 24,720 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $822,528 | 1,700 | Call | Sole | 2026-08-14 | |
| 2026-03-31 | $7,717,150 | 26,031 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $741,150 | 2,500 | Put | Sole | 2026-05-15 | |
| 2025-12-31 | $1,060,321 | 5,478 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $10,123,188 | 52,300 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $503,256 | 2,600 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $82,584 | 600 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $419,939 | 3,051 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $3,908,976 | 28,400 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $26,976 | 300 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $2,059,617 | 22,905 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $7,346,464 | 81,700 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $4,427,360 | 53,600 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $5,013,820 | 60,700 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $2,035,346 | 24,641 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $7,164,848 | 56,900 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $432,912 | 3,438 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,926,102 | 21,848 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $54,482,724 | 406,800 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $1,008,372 | 6,800 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $3,707,250 | 25,000 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $6,318,480 | 56,000 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $659,604 | 5,846 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $808,799 | 7,453 | Shares | Sole | 2024-02-14 | |
| 2023-12-31 | $7,835,144 | 72,200 | Put | Sole | 2024-02-14 | |
| 2023-09-30 | $13,290,858 | 132,300 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $2,270,396 | 22,600 | Call | Sole | 2023-11-14 | |
| 2023-06-30 | $13,237,137 | 118,900 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $89,064 | 800 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $772,741 | 6,941 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,107,196 | 19,600 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $3,655,340 | 34,000 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $3,231,950 | 37,000 | Put | Sole | 2023-02-27 | |
| 2022-12-31 | $1,939,170 | 22,200 | Call | Sole | 2023-02-27 | |
| 2022-09-30 | $2,547,585 | 33,900 | Put | Sole | 2022-11-21 | |
| 2022-09-30 | $1,315,125 | 17,500 | Call | Sole | 2022-11-21 | |
| 2022-06-30 | $3,358,125 | 37,500 | Call | Sole | 2022-08-17 | |
| 2022-06-30 | $15,304,095 | 170,900 | Put | Sole | 2022-08-17 | |
| 2022-06-30 | $2,765,751 | 30,885 | Shares | Sole | 2022-08-17 | |
| 2022-03-31 | $6,656,349 | 56,300 | Put | Sole | 2022-05-16 | |
| 2022-03-31 | $1,797,096 | 15,200 | Call | Sole | 2022-05-16 | |
| 2021-12-31 | $6,737,436 | 41,200 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $4,006,485 | 24,500 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $2,958,507 | 27,100 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $768,884 | 7,043 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $2,478,159 | 22,700 | Call | Sole | 2021-11-15 | |
| 2021-06-30 | $3,563,336 | 26,600 | Call | Sole | 2021-08-16 | |
| 2021-06-30 | $1,553,936 | 11,600 | Put | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||