Calamos Advisors’s Lam Research LRCX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $88.3M | Buy |
413,151
+46,734
| +13% | +$10.4M | 0.31% | 64 |
|
|
2025
Q4 | $62.7M | Buy |
366,417
+29,989
| +9% | +$4.66M | 0.24% | 98 |
|
|
2025
Q3 | $45M | Buy |
336,428
+833
| +0.2% | +$88.2K | 0.17% | 132 |
|
|
2025
Q2 | $32.7M | Buy |
335,595
+171
| +0.1% | +$13.6K | 0.13% | 182 |
|
|
2025
Q1 | $24.4M | Buy |
335,424
+2,457
| +0.7% | +$193K | 0.11% | 221 |
|
|
2024
Q4 | $24.1M | Buy |
332,967
+977
| +0.3% | +$74.1K | 0.1% | 221 |
|
|
2024
Q3 | $27.1M | Sell |
331,990
-35,080
| -10% | -$3.05M | 0.12% | 209 |
|
|
2024
Q2 | $39.1M | Sell |
367,070
-5,460
| -1% | -$524K | 0.17% | 132 |
|
|
2024
Q1 | $36.2M | Buy |
372,530
+197,030
| +112% | +$17.3M | 0.17% | 157 |
|
|
2023
Q4 | $13.7M | Buy |
175,500
+1,100
| +0.6% | +$75K | 0.07% | 321 |
|
|
2023
Q3 | $10.9M | Buy |
174,400
+680
| +0.4% | +$44.7K | 0.06% | 369 |
|
|
2023
Q2 | $11.2M | Buy |
173,720
+320
| +0.2% | +$18K | 0.06% | 385 |
|
|
2023
Q1 | $9.19M | Sell |
173,400
-117,840
| -40% | -$5.78M | 0.04% | 475 |
|
|
2022
Q4 | $12.2M | Sell |
291,240
-246,430
| -46% | -$10.3M | 0.06% | 409 |
|
|
2022
Q3 | $19.7M | Sell |
537,670
-111,280
| -17% | -$4.95M | 0.09% | 258 |
|
|
2022
Q2 | $27.7M | Sell |
648,950
-139,630
| -18% | -$6.65M | 0.12% | 206 |
|
|
2022
Q1 | $42.4M | Buy |
788,580
+30,990
| +4% | +$1.8M | 0.16% | 154 |
|
|
2021
Q4 | $54.5M | Buy |
757,590
+19,960
| +3% | +$1.25M | 0.2% | 114 |
|
|
2021
Q3 | $42M | Sell |
737,630
-199,990
| -21% | -$12.2M | 0.18% | 134 |
|
|
2021
Q2 | $61M | Sell |
937,620
-20,330
| -2% | -$1.28M | 0.28% | 80 |
|
|
2021
Q1 | $57M | Sell |
957,950
-243,630
| -20% | -$13.3M | 0.31% | 64 |
|
|
2020
Q4 | $56.7M | Sell |
1,201,580
-190,250
| -14% | -$8M | 0.33% | 70 |
|
|
2020
Q3 | $46.2M | Buy |
1,391,830
+12,810
| +0.9% | +$441K | 0.3% | 83 |
|
|
2020
Q2 | $44.6M | Sell |
1,379,020
-122,940
| -8% | -$3.35M | 0.32% | 86 |
|
|
2020
Q1 | $36M | Sell |
1,501,960
-399,410
| -21% | -$11.5M | 0.28% | 101 |
|
|
2019
Q4 | $55.6M | Buy |
1,901,370
+305,420
| +19% | +$8.11M | 0.27% | 95 |
|
|
2019
Q3 | $36.9M | Buy |
1,595,950
+46,010
| +3% | +$966K | 0.2% | 154 |
|
|
2019
Q2 | $29.1M | Buy |
1,549,940
+485,090
| +46% | +$9.2M | 0.16% | 187 |
|
|
2019
Q1 | $19.1M | Buy |
1,064,850
+8,250
| +0.8% | +$138K | 0.12% | 227 |
|
|
2018
Q4 | $14.4M | Sell |
1,056,600
-11,200
| -1% | -$161K | 0.1% | 256 |
|
|
2018
Q3 | $16.2M | Sell |
1,067,800
-999,490
| -48% | -$17.1M | 0.09% | 252 |
|
|
2018
Q2 | $35.7M | Sell |
2,067,290
-406,860
| -16% | -$7.84M | 0.22% | 125 |
|
|
2018
Q1 | $50.3M | Buy |
2,474,150
+12,120
| +0.5% | +$240K | 0.33% | 83 |
|
|
2017
Q4 | $45.3M | Sell |
2,462,030
-278,640
| -10% | -$5.48M | 0.23% | 91 |
|
|
2017
Q3 | $50.7M | Sell |
2,740,670
-126,450
| -4% | -$2.05M | 0.39% | 63 |
|
|
2017
Q2 | $40.5M | Sell |
2,867,120
-55,730
| -2% | -$817K | 0.3% | 87 |
|
|
2017
Q1 | $37.5M | Sell |
2,922,850
-347,550
| -11% | -$4.09M | 0.3% | 96 |
|
|
2016
Q4 | $34.6M | Buy |
3,270,400
+473,720
| +17% | +$4.81M | 0.27% | 109 |
|
|
2016
Q3 | $26.5M | Sell |
2,796,680
-12,070
| -0.4% | -$110K | 0.19% | 170 |
|
|
2016
Q2 | $23.6M | Buy |
2,808,750
+2,752,030
| +4,852% | +$22.1M | 0.17% | 184 |
|
|
2016
Q1 | $469K | Buy |
56,720
+3,720
| +7% | +$27.1K | ﹤0.01% | 552 |
|
|
2015
Q4 | $421K | Buy |
+53,000
| New | +$399K | ﹤0.01% | 591 |
|
|
2014
Q2 | – | Sell |
-3,253,580
| Closed | -$19.4M | – | 651 |
|
|
2014
Q1 | $17.9M | Buy |
3,253,580
+440,450
| +16% | +$2.34M | 0.11% | 188 |
|
|
2013
Q4 | $15.3M | Buy |
+2,813,130
| New | +$14.8M | 0.1% | 202 |
|
Other funds holding LRCX
VCM
VPM
Calamos Advisors's LRCX Position: Q1 2026 in Review
Calamos Advisors increased its Lam Research (LRCX) stake by 13% in Q1 2026, buying an estimated $10.4M and bringing the position to 413,151 shares worth $88.3M. The position accounts for 0.31% of the portfolio, ranked #64.
Calamos Advisors first reported a position in LRCX in Q4 2013 and has held it in 44 quarters since. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.
- Calamos Advisors held 413,151 shares of Lam Research worth $88.3M as of Q1 2026.
- Calamos Advisors bought 46,734 Lam Research shares in Q1 2026, an estimated $10.4M.
- Lam Research made up 0.31% of Calamos Advisors's portfolio in Q1 2026, its #64 holding.
- Calamos Advisors first reported a position in Lam Research in Q4 2013 and has held it in 44 quarters since.
- 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.
Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.