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Rational Advisors’s Lam Research LRCX Stock Holding History

Rational Advisors’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 		$88K Hold
412
– – 0.01% 111
2025
Q4 		$70.5K Buy
412
+42
+11% +$6.53K 0.01% 123
2025
Q3 		$49.5K Buy
370
+82
+28% +$8.68K ﹤0.01% 135
2025
Q2 		$28K Buy
+288
New +$22.8K ﹤0.01% 152
2024
Q2 		– Sell
-4,020
Closed -$391K – 218
2024
Q1 		$391K Sell
4,020
-2,740
-41% -$241K 0.04% 100
2023
Q4 		$529K Buy
+6,760
New +$461K 0.05% 86
2021
Q1 		– Sell
-2,020
Closed -$95K – 206
2020
Q4 		$95K Buy
2,020
+2,010
+20,100% +$84.6K 0.03% 186
2020
Q3 		$0 Hold
10
– – ﹤0.01% 627
2020
Q2 		$0 Buy
+10
New +$273 ﹤0.01% 526
2020
Q1 		– Sell
-6,670
Closed -$195K – 369
2019
Q4 		$195K Sell
6,670
-10,160
-60% -$270K 0.09% 192
2019
Q3 		$389K Buy
16,830
+13,780
+452% +$289K 0.15% 162
2019
Q2 		$57K Buy
3,050
+2,770
+989% +$52.6K 0.02% 328
2019
Q1 		$5K Buy
280
+70
+33% +$1.17K ﹤0.01% 458
2018
Q4 		$3K Sell
210
-410
-66% -$5.88K ﹤0.01% 458
2018
Q3 		$9K Sell
620
-2,860
-82% -$48.8K ﹤0.01% 403
2018
Q2 		$60K Buy
3,480
+2,970
+582% +$57.2K 0.03% 252
2018
Q1 		$10K Buy
+510
New +$10.1K ﹤0.01% 375
2017
Q4 		– Sell
-13,000
Closed -$241K – 334
2017
Q3 		$241K Sell
13,000
-4,000
-24% -$64.9K 0.13% 186
2017
Q2 		$240K Buy
+17,000
New +$249K 0.15% 167
2015
Q3 		$13K Hold
1,920
– – 0.01% 304
2015
Q2 		$16K Hold
1,920
– – 0.01% 300
2015
Q1 		$13K Sell
1,920
-1,280
-40% -$10.1K ﹤0.01% 314
2014
Q4 		$25K Buy
+3,200
New +$24.8K 0.01% 326
2013
Q4 		$26K Sell
4,800
-320
-6% -$1.68K ﹤0.01% 715
2013
Q3 		$26K Hold
5,120
– – ﹤0.01% 734
2013
Q2 		$23K Buy
+5,120
New +$23.2K ﹤0.01% 744

Other funds holding LRCX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Rational Advisors's LRCX Position: Q1 2026 in Review

Rational Advisors held its Lam Research (LRCX) position steady in Q1 2026 at 412 shares worth $88K. The position accounts for 0.01% of the portfolio, ranked #111.

Rational Advisors first reported a position in LRCX in Q2 2013 and has held it in 26 quarters since. The position peaked at $529K in Q4 2023. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Rational Advisors held 412 shares of Lam Research worth $88K as of Q1 2026.
  • Rational Advisors left its Lam Research share count unchanged in Q1 2026.
  • Lam Research made up 0.01% of Rational Advisors's portfolio in Q1 2026, its #111 holding.
  • Rational Advisors first reported a position in Lam Research in Q2 2013 and has held it in 26 quarters since.
  • Rational Advisors's Lam Research position peaked at $529K in Q4 2023.
  • 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Rational Advisors's 13F filing for Q1 2026, filed 7 May 2026.