Position in MU
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$108,854,075
-$4,952,591 QoQ
Shares Held
322,206
-19.2% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
0.62%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in MU Over Time
Shares Held
Position Value (USD)
Derivatives in MU
reported options exposure · as of Jun 30, 2022CallValue
$6,412,480
CallShares
116,000
PutValue
$10,503,200
PutShares
190,000
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 Mar 31, 2026Calamos Advisors LLC holds $2,423,178,905 across 20 Semiconductors names. MU ranks #3 (4.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
8,185,587 | $1,427,566,372 | |
| 2 | AVGO |
Broadcom Inc.
|
1,652,420 | $511,440,514 | |
| 3 | MU |
Micron Technology Inc
This page
|
322,206 | $108,854,075 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
477,928 | $97,224,893 | |
| 5 | TXN |
Texas Instruments Inc
|
252,076 | $48,938,034 | |
| 6 | INTC |
Intel Corp
|
974,948 | $43,024,455 | |
| 7 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
126,396 | $42,715,528 | |
| 8 | ADI |
Analog Devices Inc
|
101,188 | $32,191,950 |
All Filings in MU
Export CSV
32 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $108,854,075 | 322,206 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $113,806,666 | 398,748 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $66,195,305 | 395,621 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $48,692,131 | 395,068 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $34,319,203 | 394,973 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $32,925,159 | 391,221 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $41,955,154 | 404,543 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $64,936,492 | 493,701 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $59,386,733 | 503,747 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $39,617,900 | 464,236 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $39,059,492 | 574,151 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $33,040,167 | 523,533 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $25,814,357 | 427,815 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $23,434,472 | 468,877 | Shares | Sole | 2023-01-26 | |
| 2022-09-30 | $26,762,768 | 534,187 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $41,969,349 | 759,214 | Shares | Sole | 2022-08-01 | |
| 2022-06-30 | $10,503,200 | 190,000 | Put | Sole | 2022-08-01 | |
| 2022-06-30 | $6,412,480 | 116,000 | Call | Sole | 2022-08-01 | |
| 2022-03-31 | $59,219,767 | 760,300 | Shares | Sole | 2022-05-03 | |
| 2022-03-31 | $6,464,870 | 83,000 | Put | Sole | 2022-05-03 | |
| 2021-12-31 | $12,640,455 | 135,700 | Call | Sole | 2022-02-01 | |
| 2021-12-31 | $57,785,043 | 620,344 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $44,025,203 | 620,248 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $72,053,182 | 847,884 | Shares | Sole | 2021-07-22 | |
| 2021-06-30 | $33,779,550 | 397,500 | Call | Sole | 2021-07-22 | |
| 2021-03-31 | $76,067,364 | 862,344 | Shares | Sole | 2021-04-12 | |
| 2021-03-31 | $31,226,340 | 354,000 | Call | Sole | 2021-04-12 | |
| 2020-12-31 | $69,616,680 | 926,000 | Call | Sole | 2021-01-27 | |
| 2020-12-31 | $64,355,733 | 856,022 | Shares | Sole | 2021-01-27 | |
| 2020-09-30 | $40,796,687 | 868,754 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $47,042,705 | 913,096 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $55,152,352 | 1,311,278 | Shares | Sole | 2020-04-28 | |
| No filing history on record for this holder in this stock. | ||||||