Position in BKR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$60,384
-$4,720,014 QoQ
Shares Held
1,088
-98.6% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#924
of 1,142 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BKR Over Time
Shares Held
Position Value (USD)
Derivatives in BKR
reported options exposure · as of Jun 30, 2026CallValue
$11,000,100
CallShares
198,200
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.
Position in Oil & Gas Equipment & Services
Energy · as of Jun 30, 2026Parallax Volatility Advisers, L.P. holds $1,708,612 across 3 Oil & Gas Equipment & Services names. BKR ranks #2 (3.5% of the industry book) .
All Filings in BKR
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50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,000,100 | 198,200 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $60,384 | 1,088 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $763,125 | 12,500 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $4,780,398 | 78,303 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $1,349,205 | 22,100 | Put | Sole | 2026-05-15 | |
| 2025-12-31 | $63,756 | 1,400 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $4,554 | 100 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $1,189,459 | 26,119 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,024,267 | 41,549 | Shares | Sole | 2025-11-14 | |
| 2025-03-31 | $1,431,099 | 32,562 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,103,438 | 26,900 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $865,522 | 21,100 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $3,617,553 | 88,190 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $538,635 | 14,900 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $12,562,125 | 347,500 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $2,836,726 | 78,471 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $696,366 | 19,800 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $3,015,000 | 90,000 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $4,690,000 | 140,000 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $8,312,576 | 243,200 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $11,371,686 | 332,700 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $3,322,774 | 97,214 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $11,818,072 | 334,600 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $9,345,672 | 264,600 | Put | Sole | 2023-11-14 | |
| 2023-06-30 | $635,361 | 20,100 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $140,854 | 4,456 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $3,161 | 100 | Call | Sole | 2023-08-14 | |
| 2022-12-31 | $1,151,670 | 39,000 | Call | Sole | 2023-02-27 | |
| 2022-12-31 | $342,548 | 11,600 | Put | Sole | 2023-02-27 | |
| 2022-09-30 | $268,288 | 12,800 | Call | Sole | 2022-11-21 | |
| 2022-09-30 | $41,668 | 1,988 | Shares | Sole | 2022-11-21 | |
| 2022-09-30 | $257,808 | 12,300 | Put | Sole | 2022-11-21 | |
| 2022-06-30 | $4,942,544 | 171,200 | Put | Sole | 2022-08-17 | |
| 2022-06-30 | $2,041,888 | 70,727 | Shares | Sole | 2022-08-17 | |
| 2022-06-30 | $2,887 | 100 | Call | Sole | 2022-08-17 | |
| 2022-03-31 | $415,074 | 11,400 | Put | Sole | 2022-05-16 | |
| 2022-03-31 | $7,282 | 200 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $636,665 | 17,486 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $319,998 | 13,300 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $22,546,626 | 937,100 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $414,433 | 17,225 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $30,269,520 | 1,224,000 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $183,224 | 7,409 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $845,766 | 34,200 | Put | Sole | 2021-11-15 | |
| 2021-06-30 | $82,332 | 3,600 | Call | Sole | 2021-08-16 | |
| 2021-06-30 | $1,150,361 | 50,300 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $4,291,669 | 187,655 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $12,966 | 600 | Put | Sole | 2021-05-14 | |
| 2021-03-31 | $3,198,280 | 148,000 | Call | Sole | 2021-05-14 | |
| 2021-03-31 | $2,159,076 | 99,911 | Shares | Sole | 2021-05-14 | |
| No filing history on record for this holder in this stock. | ||||||