Mariner Investment Group’s Lam Research LRCX Stock Holding History

Mariner Investment Group’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	–	Sell	-736,000	Closed	-$126M	–	141
2025 Q4	$126M	Buy	+736,000	New	+$114M	7.36%	2

Other funds holding LRCX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Mariner Investment Group's LRCX Position: Q1 2026 in Review

Mariner Investment Group sold out of Lam Research (LRCX) in Q1 2026, closing a stake of 736,000 shares — an estimated $126M sold.

Mariner Investment Group first reported a position in LRCX in Q4 2025 and held it in 1 quarter. The position peaked at $126M in Q4 2025. 2,649 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

Mariner Investment Group reported no remaining Lam Research position as of Q1 2026 after selling out during the quarter.
Mariner Investment Group sold 736,000 Lam Research shares in Q1 2026, an estimated $126M.
Mariner Investment Group first reported a position in Lam Research in Q4 2025 and held it in 1 quarter.
Mariner Investment Group's Lam Research position peaked at $126M in Q4 2025.
2,649 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Mariner Investment Group's 13F filing for Q1 2026, filed 5 May 2026.