Position in WMB
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$42,146,988
-$90,593 QoQ
Shares Held
566,949
-2.3% QoQ
Ownership
0.046%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
#178
of 1,824 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WMB Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Midstream
Energy · as of Jun 30, 2026Calamos Advisors LLC holds $75,323,652 across 6 Oil & Gas Midstream names. WMB ranks #1 (56.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WMB |
Williams Companies, Inc.
This page
|
566,949 | $42,146,988 | |
| 2 | KMI |
Kinder Morgan, Inc.
|
483,753 | $15,465,583 | |
| 3 | OKE |
Oneok Inc /New/
|
96,705 | $8,407,532 | |
| 4 | ET |
Energy Transfer LP
|
230,990 | $4,416,528 | |
| 5 | EPD |
Enterprise Products Partners L.P.
|
105,810 | $3,889,575 | |
| 6 | CQP |
Cheniere Energy Partners, L.P.
|
16,365 | $997,446 |
All Filings in WMB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $42,146,988 | 566,949 | Shares | Sole | 2026-07-31 | |
| 2026-03-31 | $42,237,581 | 580,346 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $34,094,932 | 567,209 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $36,491,310 | 576,027 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $36,075,865 | 574,365 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $30,532,160 | 510,913 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $21,652,437 | 400,082 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $11,646,638 | 255,129 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $11,109,032 | 261,389 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $10,558,103 | 270,929 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $9,673,788 | 277,743 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $9,479,388 | 281,371 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $9,181,135 | 281,371 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $8,401,738 | 281,371 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $11,528,587 | 350,413 | Shares | Sole | 2023-01-26 | |
| 2022-09-30 | $11,634,659 | 406,380 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $12,683,119 | 406,380 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $13,214,289 | 395,519 | Shares | Sole | 2022-05-03 | |
| 2021-12-31 | $16,202,192 | 622,204 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $17,847,809 | 688,042 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $12,321,669 | 464,093 | Shares | Sole | 2021-07-22 | |
| 2021-03-31 | $12,810,604 | 540,760 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $12,595,109 | 628,185 | Shares | Sole | 2021-01-27 | |
| 2020-09-30 | $10,180,900 | 518,112 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $10,213,549 | 536,990 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $8,981,882 | 634,762 | Shares | Sole | 2020-04-28 | |
| No filing history on record for this holder in this stock. | ||||||