South Dakota Investment Council’s Lam Research LRCX Stock Holding History

South Dakota Investment Council’s Portfolio LRCX Stock Details LRCX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$16M	Sell	74,985 -484	-0.6%	-$108K	0.31%	66
2025 Q4	$12.9M	Sell	75,469 -7,925	-10%	-$1.23M	0.25%	86
2025 Q3	$11.2M	Sell	83,394 -69,745	-46%	-$7.38M	0.22%	100
2025 Q2	$14.9M	Hold	153,139	–	–	0.29%	70
2025 Q1	$11.1M	Sell	153,139 -181	-0.1%	-$14.3K	0.23%	94
2024 Q4	$11.1M	Hold	153,320	–	–	0.22%	94
2024 Q3	$12.5M	Sell	153,320 -15,010	-9%	-$1.31M	0.24%	88
2024 Q2	$17.9M	Sell	168,330 -1,330	-0.8%	-$128K	0.37%	54
2024 Q1	$16.5M	Sell	169,660 -4,000	-2%	-$352K	0.34%	60
2023 Q4	$13.6M	Sell	173,660 -40,400	-19%	-$2.75M	0.29%	71
2023 Q3	$13.4M	Sell	214,060 -51,680	-19%	-$3.4M	0.31%	66
2023 Q2	$17.1M	Sell	265,740 -35,780	-12%	-$2.02M	0.36%	49
2023 Q1	$16M	Hold	301,520	–	–	0.34%	57
2022 Q4	$12.7M	Sell	301,520 -12,000	-4%	-$502K	0.28%	77
2022 Q3	$11.5M	Buy	313,520 +30,030	+11%	+$1.34M	0.28%	74
2022 Q2	$12.1M	Buy	283,490 +127,570	+82%	+$6.07M	0.27%	77
2022 Q1	$8.38M	Buy	155,920 +85,650	+122%	+$4.99M	0.17%	130
2021 Q4	$5.05M	Hold	70,270	–	–	0.08%	210
2021 Q3	$4M	Buy	70,270 +1,500	+2%	+$91.2K	0.07%	238
2021 Q2	$4.47M	Sell	68,770 -1,000	-1%	-$63.1K	0.08%	222
2021 Q1	$4.15M	Sell	69,770 -1,600	-2%	-$87.2K	0.07%	239
2020 Q4	$3.37M	Hold	71,370	–	–	0.06%	251
2020 Q3	$2.37M	Sell	71,370 -600	-0.8%	-$20.7K	0.05%	283
2020 Q2	$2.33M	Sell	71,970 -20,700	-22%	-$565K	0.05%	273
2020 Q1	$2.22M	Sell	92,670 -243,180	-72%	-$7M	0.06%	246
2019 Q4	$9.82M	Sell	335,850 -663,300	-66%	-$17.6M	0.21%	112
2019 Q3	$23.1M	Sell	999,150 -306,300	-23%	-$6.43M	0.45%	51
2019 Q2	$24.5M	Sell	1,305,450 -61,850	-5%	-$1.17M	0.51%	48
2019 Q1	$24.5M	Buy	1,367,300 +197,300	+17%	+$3.29M	0.52%	55
2018 Q4	$15.9M	Buy	1,170,000 +323,800	+38%	+$4.64M	0.4%	71
2018 Q3	$12.8M	Buy	846,200 +551,200	+187%	+$9.41M	0.28%	90
2018 Q2	$5.1M	Buy	295,000 +205,000	+228%	+$3.95M	0.11%	160
2018 Q1	$1.83M	Hold	90,000	–	–	0.04%	321
2017 Q4	$1.66M	Hold	90,000	–	–	0.04%	353
2017 Q3	$1.67M	Hold	90,000	–	–	0.03%	357
2017 Q2	$1.27M	Hold	90,000	–	–	0.03%	381
2017 Q1	$1.16M	Hold	90,000	–	–	0.02%	394
2016 Q4	$952K	Hold	90,000	–	–	0.02%	412
2016 Q3	$852K	Hold	90,000	–	–	0.02%	413
2016 Q2	$757K	Hold	90,000	–	–	0.02%	420
2016 Q1	$743K	Buy	90,000 +69,000	+329%	+$502K	0.02%	415
2015 Q4	$167K	Hold	21,000	–	–	﹤0.01%	512
2015 Q3	$137K	Buy	+21,000	New	+$154K	﹤0.01%	507

Other funds holding LRCX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

South Dakota Investment Council's LRCX Position: Q1 2026 in Review

South Dakota Investment Council reduced its Lam Research (LRCX) stake by 0.64% in Q1 2026, selling an estimated $108K and leaving 74,985 shares worth $16M. The position accounts for 0.31% of the portfolio, ranked #66.

South Dakota Investment Council first reported a position in LRCX in Q3 2015 and has held it in 43 quarters since. The position peaked at $24.5M in Q2 2019. 2,632 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

South Dakota Investment Council held 74,985 shares of Lam Research worth $16M as of Q1 2026.
South Dakota Investment Council sold 484 Lam Research shares in Q1 2026, an estimated $108K.
Lam Research made up 0.31% of South Dakota Investment Council's portfolio in Q1 2026, its #66 holding.
South Dakota Investment Council first reported a position in Lam Research in Q3 2015 and has held it in 43 quarters since.
South Dakota Investment Council's Lam Research position peaked at $24.5M in Q2 2019.
2,632 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on South Dakota Investment Council's 13F filing for Q1 2026, filed 18 May 2026.