Position in LRCX
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$158,353,948
+$70,080,106 QoQ
Shares Held
365,435
-11.5% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
0.90%
of 13F equity value
Holder Rank
#241
of 3,121 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in LRCX Over Time
Shares Held
Position Value (USD)
Derivatives in LRCX
reported options exposure · as of Dec 31, 2022CallValue
$0
CallShares
0
PutValue
$4,623,300
PutShares
110,000
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 Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026Calamos Advisors LLC holds $464,080,284 across 8 Semiconductor Equipment & Materials names. LRCX ranks #2 (34.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
303,395 | $219,354,585 | |
| 2 | LRCX |
Lam Research Corp
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|
365,435 | $158,353,948 | |
| 3 | TER |
Teradyne, Inc
|
96,290 | $46,588,953 | |
| 4 | ASML |
Asml Holding NV
|
7,327 | $14,576,626 | |
| 5 | Q |
Qnity Electronics, Inc.
|
71,775 | $11,721,575 | |
| 6 | UCTT |
Ultra Clean Holdings, Inc.
|
61,129 | $8,716,383 | |
| 7 | ICHR |
Ichor Holdings, Ltd.
|
35,065 | $3,937,098 | |
| 8 | ACLS |
Axcelis Technologies Inc
|
4,387 | $831,116 |
All Filings in LRCX
Export CSV
30 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $158,353,948 | 365,435 | Shares | Sole | 2026-07-31 | |
| 2026-03-31 | $88,273,842 | 413,151 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $62,723,262 | 366,417 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $45,047,709 | 336,428 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $32,666,817 | 335,595 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $24,385,324 | 335,424 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $24,050,206 | 332,967 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $27,093,039 | 33,199 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $39,087,448 | 36,707 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $36,193,897 | 37,253 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $13,746,213 | 17,550 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $10,930,868 | 17,440 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $11,167,763 | 17,372 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $9,192,280 | 17,340 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $12,240,817 | 29,124 | Shares | Sole | 2023-01-26 | |
| 2022-12-31 | $4,623,300 | 11,000 | Put | Sole | 2023-01-26 | |
| 2022-09-30 | $19,678,722 | 53,767 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $27,655,004 | 64,895 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $42,394,849 | 78,858 | Shares | Sole | 2022-05-03 | |
| 2021-12-31 | $54,482,084 | 75,759 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $41,982,211 | 73,763 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $61,010,933 | 93,762 | Shares | Sole | 2021-07-22 | |
| 2021-03-31 | $57,021,015 | 95,795 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $25,266,445 | 53,500 | Call | Sole | 2021-01-27 | |
| 2020-12-31 | $56,747,018 | 120,158 | Shares | Sole | 2021-01-27 | |
| 2020-09-30 | $13,933,500 | 42,000 | Call | Sole | 2020-10-26 | |
| 2020-09-30 | $46,173,960 | 139,183 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $13,585,320 | 42,000 | Call | Sole | 2020-07-27 | |
| 2020-06-30 | $44,605,780 | 137,902 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $36,047,040 | 150,196 | Shares | Sole | 2020-04-28 | |
| No filing history on record for this holder in this stock. | ||||||