Parallax Volatility Advisers, L.P.
Position in AMKR — Amkor Technology, Inc.
CIK 1521001
San Francisco, CA
Position in AMKR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$0
-$1,472,016 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
5 quarters on record
Common Shares in AMKR Over Time
Shares Held
Position Value (USD)
Derivatives in AMKR
reported options exposure · as of Jun 30, 2026CallValue
$396,658
CallShares
4,600
PutValue
$267,313
PutShares
3,100
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.
All Filings in AMKR
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $267,313 | 3,100 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $396,658 | 4,600 | Call | Sole | 2026-08-14 | |
| 2025-03-31 | $1,502,592 | 83,200 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $1,472,016 | 81,507 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,137,408 | 83,200 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $766,307 | 29,829 | Shares | Sole | 2025-02-14 | |
| 2020-12-31 | $754,000 | 50,000 | Put | Sole | 2021-02-16 | |
| 2020-12-31 | $93,360 | 6,191 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $254,060 | 22,684 | Shares | Sole | 2020-11-13 | |
| 2020-09-30 | $10,080 | 900 | Call | Sole | 2020-11-13 | |
| 2020-09-30 | $560,000 | 50,000 | Put | Sole | 2020-11-13 | |
| No filing history on record for this holder in this stock. | ||||||