Position in SLB
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$10,003,299
-$6,346,223 QoQ
Shares Held
215,171
-32.4% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#329
of 1,687 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SLB Over Time
Shares Held
Position Value (USD)
Derivatives in SLB
reported options exposure · as of Dec 31, 2022CallValue
$1,780,218
CallShares
33,300
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, 2026Calamos Advisors LLC holds $39,713,850 across 6 Oil & Gas Equipment & Services names. SLB ranks #2 (25.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FTI |
TechnipFMC plc
|
259,458 | $17,202,065 | |
| 2 | SLB |
Slb Limited/Nv
This page
|
215,171 | $10,003,299 | |
| 3 | HAL |
Halliburton Co
|
269,500 | $9,149,525 | |
| 4 | NESR |
National Energy Services Reunited Corp.
|
56,776 | $1,699,304 | |
| 5 | NGS |
Natural Gas Services Group Inc
|
30,246 | $1,304,811 | |
| 6 | FTK |
Flotek Industries Inc/Cn/
|
15,087 | $354,846 |
All Filings in SLB
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $10,003,299 | 215,171 | Shares | Sole | 2026-07-31 | |
| 2026-03-31 | $16,349,522 | 318,146 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $19,037,017 | 496,014 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $26,301,092 | 765,234 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $11,054,154 | 327,046 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $13,670,522 | 327,046 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $21,413,120 | 558,506 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $23,381,755 | 557,372 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $26,428,207 | 560,157 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $31,062,087 | 566,723 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $29,743,462 | 571,550 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $33,416,335 | 573,179 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $28,060,684 | 571,268 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $29,766,924 | 606,251 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $1,780,218 | 33,300 | Call | Sole | 2023-01-26 | |
| 2022-12-31 | $33,113,712 | 619,411 | Shares | Sole | 2023-01-26 | |
| 2022-09-30 | $24,185,865 | 673,701 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $32,557,477 | 910,444 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $36,615,035 | 886,348 | Shares | Sole | 2022-05-03 | |
| 2021-12-31 | $16,450,217 | 549,256 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $15,961,288 | 538,505 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $16,510,822 | 515,802 | Shares | Sole | 2021-07-22 | |
| 2021-03-31 | $12,507,998 | 460,022 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $10,490,821 | 480,569 | Shares | Sole | 2021-01-27 | |
| 2020-09-30 | $7,600,453 | 488,461 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $9,289,690 | 505,149 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $6,993,000 | 518,384 | Shares | Sole | 2020-04-28 | |
| No filing history on record for this holder in this stock. | ||||||