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Parallax Volatility Advisers, L.P.

Position in GPRE — Green Plains Inc.

CIK 1521001 San Francisco, CA

Position in GPRE

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
18 quarters on record

Common Shares in GPRE Over Time

Shares Held

Position Value (USD)

Derivatives in GPRE

reported options exposure · as of Jun 30, 2026
CallValue
$1,538,000
CallShares
100,000
PutValue
$3,845,000
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.

Position in Chemicals

Basic Materials · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $493,957 across 1 Chemicals name.

# Ticker Company Shares Value (USD) Open

All Filings in GPRE

Export CSV
38 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,538,000 100,000
2026-06-30 $3,845,000 250,000
2026-03-31 $4,112,500 250,000
2026-03-31 $1,645,000 100,000
2025-12-31 $443,851 45,291
2025-12-31 $4,900,000 500,000
2025-09-30 $4,395,000 500,000
2025-09-30 $429,558 48,869
2025-06-30 $3,015,000 500,000
2025-06-30 $708,362 117,473
2025-03-31 $2,425,000 500,000
2025-03-31 $553,656 114,156
2024-12-31 $4,740,000 500,000
2024-09-30 $6,770,000 500,000
2022-12-31 $305,000 10,000
2022-12-31 $103,212 3,384
2022-06-30 $5,705,700 210,000
2022-06-30 $8,015 295
2021-12-31 $17,118,535 492,478
2021-12-31 $34,249,028 985,300
2021-09-30 $13,764,587 421,580
2021-09-30 $25,640,045 785,300
2021-06-30 $14,381,963 427,780
2021-06-30 $26,401,786 785,300
2021-03-31 $9,814,011 362,542
2021-03-31 $21,258,071 785,300
2020-12-31 $9,802,431 744,300
2020-12-31 $329,250 25,000
2020-12-31 $4,754 361
2020-09-30 $38,390 2,480
2020-09-30 $387,000 25,000
2020-09-30 $11,413,404 737,300
2020-06-30 $7,535,206 737,300
2020-06-30 $349,156 34,164
2020-06-30 $255,500 25,000
2020-03-31 $2,945,890 607,400
2020-03-31 $121,250 25,000
2020-03-31 $1,452,220 299,427