Parallax Volatility Advisers, L.P.
Position in GPRE — Green Plains Inc.
CIK 1521001
San Francisco, CA
Position in GPRE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
-$443,851 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
15 quarters on record
Common Shares in GPRE Over Time
Shares Held
Position Value (USD)
Derivatives in GPRE
reported options exposure · as of Mar 31, 2026CallValue
$1,645,000
CallShares
100,000
PutValue
$4,112,500
PutShares
250,000
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.
All Filings in GPRE
Export CSV
30 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,112,500 | 250,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $1,645,000 | 100,000 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $443,851 | 45,291 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $4,900,000 | 500,000 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $4,395,000 | 500,000 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $429,558 | 48,869 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $3,015,000 | 500,000 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $708,362 | 117,473 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,425,000 | 500,000 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $553,656 | 114,156 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $4,740,000 | 500,000 | Put | Sole | 2025-02-14 | |
| 2024-09-30 | $6,770,000 | 500,000 | Put | Sole | 2024-11-14 | |
| 2022-12-31 | $305,000 | 10,000 | Put | Sole | 2023-02-27 | |
| 2022-12-31 | $103,212 | 3,384 | Shares | Sole | 2023-02-27 | |
| 2022-09-30 | $6,104,700 | 210,000 | Put | Sole | 2022-11-21 | |
| 2022-06-30 | $5,705,700 | 210,000 | Put | Sole | 2022-08-17 | |
| 2022-06-30 | $8,015 | 295 | Shares | Sole | 2022-08-17 | |
| 2021-06-30 | $14,381,963 | 427,780 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | $26,401,786 | 785,300 | Put | Sole | 2021-08-16 | |
| 2021-03-31 | $9,814,011 | 362,542 | Shares | Sole | 2021-05-14 | |
| 2021-03-31 | $21,258,071 | 785,300 | Put | Sole | 2021-05-14 | |
| 2020-09-30 | $38,390 | 2,480 | Shares | Sole | 2020-11-13 | |
| 2020-09-30 | $387,000 | 25,000 | Call | Sole | 2020-11-13 | |
| 2020-09-30 | $11,413,404 | 737,300 | Put | Sole | 2020-11-13 | |
| 2020-06-30 | $7,535,206 | 737,300 | Put | Sole | 2020-08-14 | |
| 2020-06-30 | $349,156 | 34,164 | Shares | Sole | 2020-08-14 | |
| 2020-06-30 | $255,500 | 25,000 | Call | Sole | 2020-08-14 | |
| 2020-03-31 | $2,945,890 | 607,400 | Put | Sole | 2020-05-15 | |
| 2020-03-31 | $121,250 | 25,000 | Call | Sole | 2020-05-15 | |
| 2020-03-31 | $1,452,220 | 299,427 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||