Massachusetts Financial Services’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
$726M Sell
3,309,521
-870,349
-21% -$195M 0.24% 105
2025
Q4
$716M Sell
4,179,870
-680,815
-14% -$106M 0.23% 110
2025
Q3
$651M Buy
4,860,685
+363,801
+8% +$38.5M 0.2% 123
2025
Q2
$438M Sell
4,496,884
-241,554
-5% -$19.2M 0.14% 161
2025
Q1
$344M Sell
4,738,438
-1,349,647
-22% -$106M 0.11% 184
2024
Q4
$440M Sell
6,088,085
-3,699,665
-38% -$281M 0.14% 173
2024
Q3
$799M Sell
9,787,750
-2,754,130
-22% -$239M 0.24% 123
2024
Q2
$1.34B Buy
12,541,880
+894,700
+8% +$85.8M 0.41% 73
2024
Q1
$1.13B Buy
11,647,180
+1,354,090
+13% +$119M 0.34% 89
2023
Q4
$806M Sell
10,293,090
-647,850
-6% -$44.2M 0.26% 103
2023
Q3
$686M Sell
10,940,940
-1,437,280
-12% -$94.4M 0.24% 109
2023
Q2
$796M Buy
12,378,220
+719,840
+6% +$40.6M 0.26% 108
2023
Q1
$618M Buy
11,658,380
+225,050
+2% +$11M 0.21% 124
2022
Q4
$481M Sell
11,433,330
-1,481,900
-11% -$62M 0.17% 142
2022
Q3
$473M Sell
12,915,230
-114,520
-0.9% -$5.1M 0.18% 145
2022
Q2
$555M Sell
13,029,750
-1,407,730
-10% -$67M 0.19% 135
2022
Q1
$776M Sell
14,437,480
-3,389,090
-19% -$197M 0.23% 110
2021
Q4
$1.28B Buy
17,826,570
+59,960
+0.3% +$3.76M 0.35% 83
2021
Q3
$1.01B Sell
17,766,610
-817,600
-4% -$49.7M 0.3% 97
2021
Q2
$1.21B Sell
18,584,210
-513,200
-3% -$32.4M 0.35% 83
2021
Q1
$1.14B Sell
19,097,410
-273,220
-1% -$14.9M 0.35% 78
2020
Q4
$915M Buy
19,370,630
+8,064,570
+71% +$339M 0.29% 99
2020
Q3
$375M Buy
11,306,060
+2,294,090
+25% +$79M 0.14% 162
2020
Q2
$292M Buy
9,011,970
+8,581,240
+1,992% +$234M 0.12% 176
2020
Q1
$10.3M Sell
430,730
-7,700
-2% -$222K ﹤0.01% 588
2019
Q4
$12.8M Sell
438,430
-170,210
-28% -$4.52M ﹤0.01% 578
2019
Q3
$14.1M Sell
608,640
-662,950
-52% -$13.9M 0.01% 574
2019
Q2
$23.9M Sell
1,271,590
-580,910
-31% -$11M 0.01% 515
2019
Q1
$33.2M Sell
1,852,500
-573,840
-24% -$9.57M 0.01% 447
2018
Q4
$33M Buy
2,426,340
+2,287,550
+1,648% +$32.8M 0.02% 428
2018
Q3
$2.1M Buy
+138,790
New +$2.37M ﹤0.01% 718
2014
Q1
Sell
-676,600
Closed -$3.68M 884
2013
Q4
$3.68M Hold
676,600
﹤0.01% 639
2013
Q3
$3.46M Buy
+676,600
New +$3.31M ﹤0.01% 639

Other funds holding LRCX

Massachusetts Financial Services's LRCX Position: Q1 2026 in Review

Massachusetts Financial Services reduced its Lam Research (LRCX) stake by 21% in Q1 2026, selling an estimated $195M and leaving 3,309,521 shares worth $726M. The position accounts for 0.24% of the portfolio, ranked #105.

Massachusetts Financial Services first reported a position in LRCX in Q3 2013 and has held it in 33 quarters since. The position peaked at $1.34B in Q2 2024. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Massachusetts Financial Services held 3,309,521 shares of Lam Research worth $726M as of Q1 2026.
  • Massachusetts Financial Services sold 870,349 Lam Research shares in Q1 2026, an estimated $195M.
  • Lam Research made up 0.24% of Massachusetts Financial Services's portfolio in Q1 2026, its #105 holding.
  • Massachusetts Financial Services first reported a position in Lam Research in Q3 2013 and has held it in 33 quarters since.
  • Massachusetts Financial Services's Lam Research position peaked at $1.34B in Q2 2024.
  • 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Massachusetts Financial Services's 13F filing for Q1 2026, filed 14 May 2026.