Tidemark’s Lam Research LRCX Stock Holding History

Tidemark’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	$16K	Buy	75 +14	+23%	+$3.13K	﹤0.01%	400
2025 Q4	$10.4K	Hold	61	–	–	﹤0.01%	424
2025 Q3	$8.17K	Buy	61 +12	+24%	+$1.27K	﹤0.01%	478
2025 Q2	$4.77K	Buy	+49	New	+$3.89K	﹤0.01%	527

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

Tidemark's LRCX Position: Q1 2026 in Review

Tidemark increased its Lam Research (LRCX) stake by 23% in Q1 2026, buying an estimated $3.13K and bringing the position to 75 shares worth $16K. The position accounts for ﹤0.01% of the portfolio, ranked #400.

Tidemark first reported a position in LRCX in Q2 2025 and has held it in 4 quarters since. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

Tidemark held 75 shares of Lam Research worth $16K as of Q1 2026.
Tidemark bought 14 Lam Research shares in Q1 2026, an estimated $3.13K.
Lam Research made up ﹤0.01% of Tidemark's portfolio in Q1 2026, its #400 holding.
Tidemark first reported a position in Lam Research in Q2 2025 and has held it in 4 quarters since.
2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

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