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Equibles

Parallax Volatility Advisers, L.P.

Position in FANG — Diamondback Energy, Inc.

CIK 1521001 San Francisco, CA
Back to FANG Full portfolio

Position in FANG

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$3,614,018
+$3,562,756 QoQ
Shares Held
18,272
+5258.4% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in FANG Over Time

Shares Held

Position Value (USD)

Derivatives in FANG

reported options exposure · as of Mar 31, 2026
CallValue
$17,089,056
CallShares
86,400
PutValue
$13,845,300
PutShares
70,000

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 E&P

Energy · as of Mar 31, 2026

Parallax Volatility Advisers, L.P. holds $103,554,954 across 11 Oil & Gas E&P names. FANG ranks #8 (3.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 COP
Conocophillips
 166,155 $21,932,460
2 OXY
Occidental Petroleum Corp /De/
 321,594 $20,903,610
3 DVN
Devon Energy Corp/De
 358,605 $18,045,003
4 EQT
EQT Corp
 263,239 $16,752,529
5 EXE
EXPAND ENERGY Corp
 115,537 $12,683,651
6 EOG
Eog Resources Inc
 32,415 $4,686,236
7 AR
ANTERO RESOURCES Corp
 96,702 $4,104,032
8 FANG
Diamondback Energy, Inc.
This page 		18,272 $3,614,018

All Filings in FANG

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $17,089,056 86,400
2026-03-31 $13,845,300 70,000
2026-03-31 $3,614,018 18,272
2025-12-31 $11,244,684 74,800
2025-12-31 $2,796,138 18,600
2025-12-31 $51,262 341
2025-09-30 $286 2
2025-09-30 $2,475,630 17,300
2025-06-30 $3,435,000 25,000
2025-06-30 $1,112,940 8,100
2025-03-31 $479 3
2025-03-31 $431,676 2,700
2025-03-31 $7,290,528 45,600
2024-12-31 $4,505,325 27,500
2024-12-31 $6,389,370 39,000
2024-09-30 $4,741,000 27,500
2024-09-30 $4,741,000 27,500
2024-06-30 $5,845,548 29,200
2024-06-30 $5,705,415 28,500
2024-03-31 $5,449,675 27,500
2024-03-31 $5,449,675 27,500
2023-12-31 $10,405,868 67,100
2023-12-31 $7,645,444 49,300
2023-09-30 $84,254,720 544,000
2023-09-30 $43,335,424 279,800
2023-06-30 $6,804,448 51,800
2023-06-30 $972,064 7,400
2023-03-31 $10,854,151 80,300
2023-03-31 $30,237,529 223,700
2023-03-31 $2,354,661 17,420
2022-12-31 $91,068,124 665,800
2022-12-31 $9,001,491 65,810
2022-12-31 $108,466,540 793,000
2022-09-30 $245,208,376 2,035,600
2022-09-30 $67,108,266 557,100
2022-09-30 $6,325,475 52,511
2022-06-30 $67,335,170 555,800
2022-06-30 $14,262,383 117,725
2022-06-30 $179,859,290 1,484,600
2022-03-31 $46,703,156 340,700
2022-03-31 $123,755,824 902,800
2021-12-31 $2,879,595 26,700
2021-12-31 $2,275,635 21,100
2021-09-30 $21,177,679 223,700
2021-09-30 $15,705,753 165,900
2021-06-30 $6,074,683 64,700
2021-06-30 $6,422,076 68,400
2020-09-30 $13,662,432 453,600
2020-09-30 $3,515,004 116,700
2020-09-30 $1,776,176 58,970

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