Rock Springs Capital Management’s Zogenix, Inc. ZGNX Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q4	–	Sell	-415,982	Closed	-$7.46M	–	169
2020 Q3	$7.46M	Hold	415,982	–	–	0.19%	114
2020 Q2	$11.2M	Buy	415,982 +15,982	+4%	+$441K	0.31%	98
2020 Q1	$9.89M	Buy	400,000 +150,000	+60%	+$5.46M	0.41%	77
2019 Q4	$13M	Hold	250,000	–	–	0.41%	79
2019 Q3	$10M	Buy	250,000 +15,000	+6%	+$691K	0.4%	77
2019 Q2	$11.2M	Hold	235,000	–	–	0.41%	79
2019 Q1	$12.9M	Hold	235,000	–	–	0.5%	68
2018 Q4	$8.57M	Hold	235,000	–	–	0.4%	77
2018 Q3	$11.7M	Buy	235,000 +9,000	+4%	+$458K	0.42%	76
2018 Q2	$9.99M	Buy	226,000 +500	+0.2%	+$20.6K	0.38%	85
2018 Q1	$9.03M	Hold	225,500	–	–	0.39%	83
2017 Q4	$9.03M	Buy	225,500 +125,500	+126%	+$4.82M	0.41%	79
2017 Q3	$3.5M	Buy	+100,000	New	+$1.36M	0.16%	116

Other funds holding ZGNX

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

CCM

Cadian Capital Management New York $821M AUM 14.36% 1-Year Est. Return

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

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

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

FCM

Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

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

Rock Springs Capital Management's ZGNX Position: Q4 2020 in Review

Rock Springs Capital Management sold out of Zogenix, Inc. (ZGNX) in Q4 2020, closing a stake of 415,982 shares — an estimated $7.46M sold.

Rock Springs Capital Management first reported a position in ZGNX in Q3 2017 and held it in 13 quarters. The position peaked at $13M in Q4 2019. 159 funds tracked by Wall St. Rank hold ZGNX as of Q4 2020.

Rock Springs Capital Management reported no remaining Zogenix, Inc. position as of Q4 2020 after selling out during the quarter.
Rock Springs Capital Management sold 415,982 Zogenix, Inc. shares in Q4 2020, an estimated $7.46M.
Rock Springs Capital Management first reported a position in Zogenix, Inc. in Q3 2017 and held it in 13 quarters.
Rock Springs Capital Management's Zogenix, Inc. position peaked at $13M in Q4 2019.
159 funds tracked by Wall St. Rank held Zogenix, Inc. as of Q4 2020.

Based on Rock Springs Capital Management's 13F filing for Q4 2020, filed 16 Feb 2021.