Calamos Advisors LLC
Position in IBM — International Business Machines Corp
CIK 1316507
NAPERVILLE, IL
Position in IBM
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$31,839,721
+$1,888,559 QoQ
Shares Held
113,224
-8.4% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#311
of 3,616 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IBM Over Time
Shares Held
Position Value (USD)
Position in Information Technology Services
Technology · as of Jun 30, 2026Calamos Advisors LLC holds $67,177,558 across 6 Information Technology Services names. IBM ranks #1 (47.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IBM |
International Business Machines Corp
This page
|
113,224 | $31,839,721 | |
| 2 | ACN |
Accenture plc
|
93,861 | $11,680,062 | |
| 3 | CACI |
Caci International Inc /De/
|
16,700 | $7,736,442 | |
| 4 | JKHY |
Jack Henry & Associates Inc
|
42,313 | $5,828,192 | |
| 5 | IT |
Gartner Inc
|
41,313 | $5,354,991 | |
| 6 | CTSH |
Cognizant Technology Solutions Corp
|
122,338 | $4,738,150 |
All Filings in IBM
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $31,839,721 | 113,224 | Shares | Sole | 2026-07-31 | |
| 2026-03-31 | $29,951,162 | 123,566 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $34,160,714 | 115,326 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $33,822,519 | 119,870 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $47,225,229 | 160,205 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $40,003,177 | 160,875 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $37,337,026 | 169,845 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $38,548,614 | 174,365 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $27,731,321 | 160,343 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $28,825,602 | 150,951 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $21,104,819 | 129,042 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $18,340,998 | 130,727 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $17,492,579 | 130,727 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $17,137,002 | 130,727 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $20,720,551 | 147,069 | Shares | Sole | 2023-01-26 | |
| 2022-09-30 | $20,562,565 | 173,071 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $24,435,894 | 173,071 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $21,896,798 | 168,411 | Shares | Sole | 2022-05-03 | |
| 2021-12-31 | $19,509,681 | 145,965 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $19,493,828 | 140,314 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $18,753,698 | 127,933 | Shares | Sole | 2021-07-22 | |
| 2021-03-31 | $13,170,750 | 98,835 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $12,056,915 | 95,781 | Shares | Sole | 2021-01-27 | |
| 2020-09-30 | $12,158,360 | 99,929 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $13,127,579 | 108,699 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $12,829,495 | 115,654 | Shares | Sole | 2020-04-28 | |
| No filing history on record for this holder in this stock. | ||||||