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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, 2026

Calamos 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

All Filings in IBM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $31,839,721 113,224
2026-03-31 $29,951,162 123,566
2025-12-31 $34,160,714 115,326
2025-09-30 $33,822,519 119,870
2025-06-30 $47,225,229 160,205
2025-03-31 $40,003,177 160,875
2024-12-31 $37,337,026 169,845
2024-09-30 $38,548,614 174,365
2024-06-30 $27,731,321 160,343
2024-03-31 $28,825,602 150,951
2023-12-31 $21,104,819 129,042
2023-09-30 $18,340,998 130,727
2023-06-30 $17,492,579 130,727
2023-03-31 $17,137,002 130,727
2022-12-31 $20,720,551 147,069
2022-09-30 $20,562,565 173,071
2022-06-30 $24,435,894 173,071
2022-03-31 $21,896,798 168,411
2021-12-31 $19,509,681 145,965
2021-09-30 $19,493,828 140,314
2021-06-30 $18,753,698 127,933
2021-03-31 $13,170,750 98,835
2020-12-31 $12,056,915 95,781
2020-09-30 $12,158,360 99,929
2020-06-30 $13,127,579 108,699
2020-03-31 $12,829,495 115,654