Parallax Volatility Advisers, L.P.
Position in NBR — Nabors Industries Ltd
CIK 1521001
San Francisco, CA
Position in NBR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,721,200
+$635,200 QoQ
Shares Held
20,000
0.0% QoQ
Ownership
0.125%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in NBR Over Time
Shares Held
Position Value (USD)
Derivatives in NBR
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$42,668,548
PutShares
495,800
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 Drilling
Energy · as of Mar 31, 2026Parallax Volatility Advisers, L.P. holds $1,721,200 across 1 Oil & Gas Drilling name. NBR ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NBR |
Nabors Industries Ltd
This page
|
20,000 | $1,721,200 |
All Filings in NBR
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,721,200 | 20,000 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $42,668,548 | 495,800 | Put | Sole | 2026-05-15 | |
| 2025-12-31 | $20,612,280 | 379,600 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $1,086,000 | 20,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $14,492,502 | 354,600 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $735,169 | 17,988 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $9,445,542 | 337,100 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $476,340 | 17,000 | Shares | Sole | 2025-08-14 | |
| 2024-09-30 | $3,132,146 | 48,583 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $4,512,900 | 70,000 | Put | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||