Parallax Volatility Advisers, L.P.
Position in AM — Antero Midstream Corp
CIK 1521001
San Francisco, CA
Position in AM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$423,923
+$57,368 QoQ
Shares Held
18,634
+15.9% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#312
of 527 holders
Holding Since
Jun 2023
6 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AM Over Time
Shares Held
Position Value (USD)
Derivatives in AM
reported options exposure · as of Jun 30, 2026CallValue
$0
CallShares
0
PutValue
$1,137,500
PutShares
50,000
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 Oil & Gas Midstream
Energy · as of Jun 30, 2026Parallax Volatility Advisers, L.P. holds $18,372,380 across 5 Oil & Gas Midstream names. AM ranks #4 (2.3% of the industry book) .
All Filings in AM
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,137,500 | 50,000 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $423,923 | 18,634 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $1,140,000 | 50,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $2,280,000 | 100,000 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $366,555 | 16,077 | Shares | Sole | 2026-05-15 | |
| 2024-03-31 | $5,737,886 | 408,100 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $626,500 | 50,000 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $599,000 | 50,000 | Call | Sole | 2023-11-14 | |
| 2023-06-30 | $580,000 | 50,000 | Call | Sole | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||