Rock Springs Capital Management’s Hologic HOLX Stock Holding History

Rock Springs Capital Management’s Portfolio HOLX Stock Details HOLX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q3	–	Sell	-400,000	Closed	-$15.9M	–	147
2018 Q2	$15.9M	Hold	400,000	–	–	0.61%	59
2018 Q1	$14.9M	Buy	400,000 +65,000	+19%	+$2.63M	0.64%	58
2017 Q4	$14.3M	Buy	+335,000	New	+$13.4M	0.65%	59
2017 Q3	–	Sell	-420,000	Closed	-$19.1M	–	151
2017 Q2	$19.1M	Buy	420,000 +80,000	+24%	+$3.53M	0.96%	35
2017 Q1	$14.5M	Buy	340,000 +75,000	+28%	+$3.06M	0.83%	39
2016 Q4	$10.6M	Buy	265,000 +12,500	+5%	+$482K	0.71%	47
2016 Q3	$9.8M	Buy	252,500 +22,500	+10%	+$849K	0.61%	53
2016 Q2	$7.96M	Buy	+230,000	New	+$7.96M	0.59%	52

Other funds holding HOLX

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

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

GCM

Glenview Capital Management New York $3.98B AUM 20.52% 1-Year Est. Return

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

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

Rock Springs Capital Management's HOLX Position: Q3 2018 in Review

Rock Springs Capital Management sold out of Hologic (HOLX) in Q3 2018, closing a stake of 400,000 shares — an estimated $15.9M sold.

Rock Springs Capital Management first reported a position in HOLX in Q2 2016 and held it in 8 quarters. The position peaked at $19.1M in Q2 2017. 446 funds tracked by Wall St. Rank hold HOLX as of Q3 2018.

Rock Springs Capital Management reported no remaining Hologic position as of Q3 2018 after selling out during the quarter.
Rock Springs Capital Management sold 400,000 Hologic shares in Q3 2018, an estimated $15.9M.
Rock Springs Capital Management first reported a position in Hologic in Q2 2016 and held it in 8 quarters.
Rock Springs Capital Management's Hologic position peaked at $19.1M in Q2 2017.
446 funds tracked by Wall St. Rank held Hologic as of Q3 2018.

Based on Rock Springs Capital Management's 13F filing for Q3 2018, filed 14 Nov 2018.