Ghost Tree Capital’s Masimo MASI Stock Holding History

Ghost Tree Capital’s Portfolio MASI Stock Details MASI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2014 Q1	–	Sell	-35,000	Closed	-$1.02M	–	75
2013 Q4	$1.02M	Buy	+35,000	New	+$980K	0.63%	47

Other funds holding MASI

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

JHIU

Janus Henderson Investors US Denver, Colorado $122B AUM 18.26% 1-Year Est. Return

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

BFA

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

CIP

Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 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

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

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

Ghost Tree Capital's MASI Position: Q1 2014 in Review

Ghost Tree Capital sold out of Masimo (MASI) in Q1 2014, closing a stake of 35,000 shares — an estimated $1.02M sold.

Ghost Tree Capital first reported a position in MASI in Q4 2013 and held it in 1 quarter. The position peaked at $1.02M in Q4 2013. 171 funds tracked by Wall St. Rank hold MASI as of Q1 2014.

Ghost Tree Capital reported no remaining Masimo position as of Q1 2014 after selling out during the quarter.
Ghost Tree Capital sold 35,000 Masimo shares in Q1 2014, an estimated $1.02M.
Ghost Tree Capital first reported a position in Masimo in Q4 2013 and held it in 1 quarter.
Ghost Tree Capital's Masimo position peaked at $1.02M in Q4 2013.
171 funds tracked by Wall St. Rank held Masimo as of Q1 2014.

Based on Ghost Tree Capital's 13F filing for Q1 2014, filed 15 May 2014.