Parallax Volatility Advisers, L.P.
Position in THC — Tenet Healthcare Corp
CIK 1521001
San Francisco, CA
Position in THC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
-$1,636,193 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
Mar 2020
20 quarters on record
Common Shares in THC Over Time
Shares Held
Position Value (USD)
Derivatives in THC
reported options exposure · as of Mar 31, 2026CallValue
$1,887,100
CallShares
10,000
PutValue
$0
PutShares
0
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.
All Filings in THC
Export CSV
41 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,887,100 | 10,000 | Call | Sole | 2026-05-15 | |
| 2024-12-31 | $1,636,193 | 12,962 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $3,027,000 | 18,213 | Shares | Sole | 2024-11-14 | |
| 2024-03-31 | $693,726 | 6,600 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $18,499,360 | 176,000 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $2,267,100 | 30,000 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $2,629,836 | 34,800 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $1,976,700 | 30,000 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $779,742 | 11,834 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $701,007 | 8,614 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $4,069,000 | 50,000 | Put | Sole | 2023-08-14 | |
| 2023-03-31 | $2,971,000 | 50,000 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $4,028,676 | 67,800 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $801,100 | 13,482 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,995,511 | 40,900 | Call | Sole | 2023-02-27 | |
| 2022-12-31 | $4,020,296 | 82,400 | Put | Sole | 2023-02-27 | |
| 2022-09-30 | $1,851,722 | 35,900 | Call | Sole | 2022-11-21 | |
| 2022-09-30 | $51,580 | 1,000 | Put | Sole | 2022-11-21 | |
| 2022-06-30 | $2,423,016 | 46,100 | Put | Sole | 2022-08-17 | |
| 2022-06-30 | $4,583,232 | 87,200 | Call | Sole | 2022-08-17 | |
| 2022-03-31 | $10,074,512 | 117,200 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $4,065,908 | 47,300 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $11,593,608 | 141,922 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $2,042,250 | 25,000 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $24,507 | 300 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $15,602,769 | 234,840 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $19,932 | 300 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $4,983,000 | 75,000 | Call | Sole | 2021-11-15 | |
| 2021-06-30 | $20,097 | 300 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $1,674,750 | 25,000 | Call | Sole | 2021-08-16 | |
| 2021-06-30 | $16,474,582 | 245,926 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $12,207,052 | 234,751 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $7,986 | 200 | Put | Sole | 2021-02-16 | |
| 2020-12-31 | $9,000,222 | 225,400 | Call | Sole | 2021-02-16 | |
| 2020-12-31 | $6,638,681 | 166,258 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $5,126,560 | 209,162 | Shares | Sole | 2020-11-13 | |
| 2020-09-30 | $2,470,608 | 100,800 | Call | Sole | 2020-11-13 | |
| 2020-06-30 | $1,811,000 | 100,000 | Call | Sole | 2020-08-14 | |
| 2020-06-30 | $3,339,302 | 184,390 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $1,709,553 | 118,719 | Shares | Sole | 2020-05-15 | |
| 2020-03-31 | $1,440,000 | 100,000 | Call | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||