CSS LLC’s Lam Research LRCX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2019
Q1
Sell
-35,000
Closed -$477K 559
2018
Q4
$477K Hold
35,000
0.03% 295
2018
Q3
$531K Hold
35,000
0.02% 301
2018
Q2
$605K Hold
35,000
0.03% 277
2018
Q1
$711K Sell
35,000
-200,000
-85% -$3.96M 0.04% 261
2017
Q4
$4.33M Buy
235,000
+35,000
+18% +$688K 0.21% 82
2017
Q3
$3.7M Buy
200,000
+160,000
+400% +$2.6M 0.18% 95
2017
Q2
$566K Sell
40,000
-110,000
-73% -$1.61M 0.03% 333
2017
Q1
$1.93M Buy
+150,000
New +$1.76M 0.12% 148
2016
Q2
Sell
-30,000
Closed -$248K 726
2016
Q1
$248K Buy
+30,000
New +$218K 0.02% 488

Other funds holding LRCX

CSS LLC's LRCX Position: Q2 2025 in Review

CSS LLC sold out of Lam Research (LRCX) in Q2 2025, closing a stake of 5,334 shares — an estimated $388K sold.

CSS LLC first reported a position in LRCX in Q4 2013 and held it in 16 quarters. The position peaked at $4.2M in Q3 2017. 1,878 funds tracked by Wall St. Rank hold LRCX as of Q2 2025.

  • CSS LLC reported no remaining Lam Research position as of Q2 2025 after selling out during the quarter.
  • CSS LLC sold 5,334 Lam Research shares in Q2 2025, an estimated $388K.
  • CSS LLC first reported a position in Lam Research in Q4 2013 and held it in 16 quarters.
  • CSS LLC's Lam Research position peaked at $4.2M in Q3 2017.
  • 1,878 funds tracked by Wall St. Rank held Lam Research as of Q2 2025.

Based on CSS LLC's 13F filing for Q2 2025, filed 14 Aug 2025.