Security National Bank of Sioux City Iowa’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
$2.69M Sell
12,594
-1,387
-10% -$310K 1.59% 16
2025
Q4
$2.39M Sell
13,981
-135
-1% -$21K 1.54% 19
2025
Q3
$1.89M Buy
14,116
+55
+0.4% +$5.82K 1.23% 34
2025
Q2
$1.37M Buy
14,061
+2,345
+20% +$186K 0.96% 43
2025
Q1
$852K Buy
11,716
+4,409
+60% +$347K 0.62% 58
2024
Q4
$528K Buy
+7,307
New +$554K 0.37% 64

Other funds holding LRCX

Security National Bank of Sioux City Iowa's LRCX Position: Q1 2026 in Review

Security National Bank of Sioux City Iowa reduced its Lam Research (LRCX) stake by 9.9% in Q1 2026, selling an estimated $310K and leaving 12,594 shares worth $2.69M. The position accounts for 1.59% of the portfolio, ranked #16.

Security National Bank of Sioux City Iowa first reported a position in LRCX in Q4 2024 and has held it in 6 quarters since. 2,637 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Security National Bank of Sioux City Iowa held 12,594 shares of Lam Research worth $2.69M as of Q1 2026.
  • Security National Bank of Sioux City Iowa sold 1,387 Lam Research shares in Q1 2026, an estimated $310K.
  • Lam Research made up 1.59% of Security National Bank of Sioux City Iowa's portfolio in Q1 2026, its #16 holding.
  • Security National Bank of Sioux City Iowa first reported a position in Lam Research in Q4 2024 and has held it in 6 quarters since.
  • 2,637 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Security National Bank of Sioux City Iowa's 13F filing for Q1 2026, filed 15 May 2026.