Rock Springs Capital Management’s Q32 Bio QTTB Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q3	–	Sell	-19,535	Closed	-$5.34M	–	156
2020 Q2	$5.34M	Sell	19,535 -4,076	-17%	-$1.09M	0.15%	128
2020 Q1	$6.61M	Hold	23,611	–	–	0.27%	90
2019 Q4	$8.8M	Hold	23,611	–	–	0.28%	89
2019 Q3	$7.69M	Hold	23,611	–	–	0.31%	86
2019 Q2	$8.32M	Buy	23,611 +3,055	+15%	+$1.2M	0.3%	85
2019 Q1	$10.3M	Sell	20,556 -4,444	-18%	-$1.99M	0.4%	79
2018 Q4	$10.1M	Sell	25,000 -1,111	-4%	-$420K	0.47%	67
2018 Q3	$10.7M	Hold	26,111	–	–	0.39%	82
2018 Q2	$9.59M	Sell	26,111 -5,833	-18%	-$2.09M	0.37%	87
2018 Q1	$10.8M	Buy	+31,944	New	+$10.7M	0.46%	74

Other funds holding QTTB

5VM

5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return

Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return

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

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

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

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

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

Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return

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

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

Rock Springs Capital Management's QTTB Position: Q3 2020 in Review

Rock Springs Capital Management sold out of Q32 Bio (QTTB) in Q3 2020, closing a stake of 19,535 shares — an estimated $5.34M sold.

Rock Springs Capital Management first reported a position in QTTB in Q1 2018 and held it in 10 quarters. The position peaked at $10.8M in Q1 2018. 106 funds tracked by Wall St. Rank hold QTTB as of Q3 2020.

Rock Springs Capital Management reported no remaining Q32 Bio position as of Q3 2020 after selling out during the quarter.
Rock Springs Capital Management sold 19,535 Q32 Bio shares in Q3 2020, an estimated $5.34M.
Rock Springs Capital Management first reported a position in Q32 Bio in Q1 2018 and held it in 10 quarters.
Rock Springs Capital Management's Q32 Bio position peaked at $10.8M in Q1 2018.
106 funds tracked by Wall St. Rank held Q32 Bio as of Q3 2020.

Based on Rock Springs Capital Management's 13F filing for Q3 2020, filed 16 Nov 2020.