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Calamos Advisors LLC

Position in ON — On Semiconductor Corp

CIK 1316507 NAPERVILLE, IL

Position in ON

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$9,905,901
+$3,297,304 QoQ
Shares Held
104,780
-1.8% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#211
of 994 holders
Holding Since
Mar 2021
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ON Over Time

Shares Held

Position Value (USD)

Derivatives in ON

reported options exposure · as of Jun 30, 2022
CallValue
$4,930,380
CallShares
98,000
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 Semiconductors

Technology · as of Jun 30, 2026

Calamos Advisors LLC holds $3,116,505,838 across 24 Semiconductors names. ON ranks #16 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ON

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,905,901 104,780
2026-03-31 $6,608,597 106,728
2025-12-31 $5,779,321 106,728
2025-09-30 $5,476,516 111,063
2025-06-30 $5,820,811 111,063
2025-03-31 $4,519,153 111,063
2024-12-31 $6,924,529 109,826
2024-09-30 $7,974,465 109,826
2024-06-30 $7,713,314 112,521
2024-03-31 $8,577,989 116,628
2023-12-31 $9,986,930 119,561
2023-09-30 $11,258,289 121,122
2023-06-30 $11,455,718 121,122
2023-03-31 $9,970,763 121,122
2022-12-31 $8,530,906 136,779
2022-06-30 $1,354,496 26,923
2022-06-30 $4,930,380 98,000
2021-09-30 $675,244 14,753
2021-03-31 $1,178,270 28,317