Platinum Management’s Lam Research LRCX Stock Holding History

Platinum Management’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
2014 Q4	–	Sell	-143,000	Closed	-$1.07M	–	66
2014 Q3	$1.07M	Sell	143,000 -132,000	-48%	-$942K	0.24%	85
2014 Q2	$1.86M	Buy	+275,000	New	+$1.64M	0.26%	69
2014 Q1	–	Sell	-132,000	Closed	-$719K	–	118
2013 Q4	$719K	Buy	+132,000	New	+$694K	1.05%	26

Other funds holding LRCX

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

TCIM

TIAA CREF Investment Management New York $141B AUM 14.18% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Platinum Management's LRCX Position: Q4 2014 in Review

Platinum Management sold out of Lam Research (LRCX) in Q4 2014, closing a stake of 143,000 shares — an estimated $1.07M sold.

Platinum Management first reported a position in LRCX in Q4 2013 and held it in 3 quarters. The position peaked at $1.86M in Q2 2014. 526 funds tracked by Wall St. Rank hold LRCX as of Q4 2014.

Platinum Management reported no remaining Lam Research position as of Q4 2014 after selling out during the quarter.
Platinum Management sold 143,000 Lam Research shares in Q4 2014, an estimated $1.07M.
Platinum Management first reported a position in Lam Research in Q4 2013 and held it in 3 quarters.
Platinum Management's Lam Research position peaked at $1.86M in Q2 2014.
526 funds tracked by Wall St. Rank held Lam Research as of Q4 2014.

Based on Platinum Management's 13F filing for Q4 2014, filed 17 Feb 2015.