Platinum Investment Management’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 | $9.92M | Sell |
46,439
-9,406
| -17% | -$2.1M | 2.5% | 4 |
|
|
2025
Q4 | $9.56M | Sell |
55,845
-519,524
| -90% | -$80.8M | 2.21% | 8 |
|
|
2025
Q3 | $77M | Sell |
575,369
-157,824
| -22% | -$16.7M | 4.98% | 7 |
|
|
2025
Q2 | $71.4M | Sell |
733,193
-411,137
| -36% | -$32.6M | 4.75% | 6 |
|
|
2025
Q1 | $83.2M | Buy |
1,144,330
+1,127,244
| +6,597% | +$88.8M | 4.82% | 10 |
|
|
2024
Q4 | $1.23M | Sell |
17,086
-10,164
| -37% | -$771K | 0.07% | 72 |
|
|
2024
Q3 | $2.22M | Buy |
27,250
+200
| +0.7% | +$17.4K | 0.1% | 66 |
|
|
2024
Q2 | $2.88M | Hold |
27,050
| – | – | 0.12% | 56 |
|
|
2024
Q1 | $2.63M | Sell |
27,050
-100,910
| -79% | -$8.88M | 0.11% | 65 |
|
|
2023
Q4 | $10M | Sell |
127,960
-3,140
| -2% | -$214K | 0.41% | 37 |
|
|
2023
Q3 | $8.22M | Sell |
131,100
-380
| -0.3% | -$25K | 0.32% | 40 |
|
|
2023
Q2 | $8.45M | Sell |
131,480
-14,240
| -10% | -$803K | 0.29% | 43 |
|
|
2023
Q1 | $7.72M | Sell |
145,720
-860
| -0.6% | -$42.2K | 0.27% | 47 |
|
|
2022
Q4 | $6.16M | Sell |
146,580
-297,780
| -67% | -$12.5M | 0.23% | 47 |
|
|
2022
Q3 | $16.3M | Sell |
444,360
-747,510
| -63% | -$33.3M | 0.68% | 29 |
|
|
2022
Q2 | $50.8M | Buy |
1,191,870
+10,080
| +0.9% | +$480K | 1.92% | 15 |
|
|
2022
Q1 | $63.5M | Sell |
1,181,790
-157,720
| -12% | -$9.18M | 1.95% | 14 |
|
|
2021
Q4 | $96.3M | Hold |
1,339,510
| – | – | 2.68% | 10 |
|
|
2021
Q3 | $76.2M | Sell |
1,339,510
-3,750
| -0.3% | -$228K | 2.15% | 13 |
|
|
2021
Q2 | $87.4M | Buy |
1,343,260
+9,510
| +0.7% | +$600K | 2.02% | 16 |
|
|
2021
Q1 | $79.4M | Sell |
1,333,750
-237,870
| -15% | -$13M | 1.77% | 18 |
|
|
2020
Q4 | $74.2M | Sell |
1,571,620
-498,150
| -24% | -$21M | 1.71% | 21 |
|
|
2020
Q3 | $68.7M | Sell |
2,069,770
-689,610
| -25% | -$23.8M | 1.7% | 19 |
|
|
2020
Q2 | $89.3M | Buy |
2,759,380
+2,820
| +0.1% | +$76.9K | 2.04% | 15 |
|
|
2020
Q1 | $66.2M | Buy |
2,756,560
+2,657,250
| +2,676% | +$76.5M | 1.67% | 21 |
|
|
2019
Q4 | $2.9M | Hold |
99,310
| – | – | 0.06% | 56 |
|
|
2019
Q3 | $2.29M | Sell |
99,310
-11,380
| -10% | -$239K | 0.05% | 58 |
|
|
2019
Q2 | $2.08M | Hold |
110,690
| – | – | 0.05% | 55 |
|
|
2019
Q1 | $1.98M | Hold |
110,690
| – | – | 0.05% | 64 |
|
|
2018
Q4 | $1.51M | Buy |
110,690
+25,490
| +30% | +$365K | 0.05% | 61 |
|
|
2018
Q3 | $1.29M | Buy |
85,200
+18,200
| +27% | +$311K | 0.04% | 68 |
|
|
2018
Q2 | $1.16M | Hold |
67,000
| – | – | 0.03% | 68 |
|
|
2018
Q1 | $1.36M | Buy |
67,000
+45,000
| +205% | +$891K | 0.04% | 61 |
|
|
2017
Q4 | $404K | Hold |
22,000
| – | – | 0.01% | 75 |
|
|
2017
Q3 | $407K | Hold |
22,000
| – | – | 0.01% | 72 |
|
|
2017
Q2 | $311K | Buy |
+22,000
| New | +$323K | 0.01% | 70 |
|
Other funds holding LRCX
VCM
VPM
Platinum Investment Management's LRCX Position: Q1 2026 in Review
Platinum Investment Management reduced its Lam Research (LRCX) stake by 17% in Q1 2026, selling an estimated $2.1M and leaving 46,439 shares worth $9.92M. The position accounts for 2.5% of the portfolio, ranked #4.
Platinum Investment Management first reported a position in LRCX in Q2 2017 and has held it in 36 quarters since. The position peaked at $96.3M in Q4 2021. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.
- Platinum Investment Management held 46,439 shares of Lam Research worth $9.92M as of Q1 2026.
- Platinum Investment Management sold 9,406 Lam Research shares in Q1 2026, an estimated $2.1M.
- Lam Research made up 2.5% of Platinum Investment Management's portfolio in Q1 2026, its #4 holding.
- Platinum Investment Management first reported a position in Lam Research in Q2 2017 and has held it in 36 quarters since.
- Platinum Investment Management's Lam Research position peaked at $96.3M in Q4 2021.
- 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.
Based on Platinum Investment Management's 13F filing for Q1 2026, filed 14 May 2026.