We are live on ! Find out more
ONCE

Spark Therapeutics, Inc. Common Stock
ONCE

Delisted

ONCE was delisted on the 16th of December, 2019.

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$325M +$18M +166,399 +6%
BlackRock
2
BlackRock
New York
$282M -$20.1M -186,616 -6%
State Street
3
State Street
Massachusetts
$134M +$30.6M +283,521 +28%
MF
4
Magnetar Financial
Illinois
$90.6M -$3.35M -31,040 -3%
CC
5
Casdin Capital
New York
$90.6M -$5.96M -55,200 -6%
AAM
6
Alpine Associates Management
Florida
$80.3M +$9.91M +91,800 +13%
PCM
7
Pentwater Capital Management
Florida
$79.9M +$84.2M +780,000 New
FCM
8
Farallon Capital Management
California
$78.8M -$5.4M -50,000 -6%
PC
9
Paulson & Co
New York
$77.6M +$81.8M +757,807 New
BBA
10
Baker Bros. Advisors
New York
$77M
AA
11
AQR Arbitrage
Connecticut
$74.3M -$6.78M -62,824 -8%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$71.1M +$257K +2,381 +0.3%
JP Morgan Chase
13
JP Morgan Chase
New York
$69.8M -$37.5M -347,827 -34%
Millennium Management
14
Millennium Management
New York
$67.9M -$3.35K -31 -0%
Citadel Advisors
15
Citadel Advisors
Florida
$64.7M +$2.42M +22,469 +4%
GF
16
Gabelli Funds
New York
$63.7M +$3.27M +30,329 +5%
EC
17
EcoR1 Capital
California
$62.9M +$9.19M +85,128 +16%
BC
18
Boxer Capital
California
$61.4M +$64.7M +600,000 New
TAL
19
TIG Advisors LLC
New York
$61.3M +$64.6M +598,756 New
Adage Capital Partners
20
Adage Capital Partners
Massachusetts
$59.8M +$3.7M +34,332 +6%
Goldman Sachs
21
Goldman Sachs
New York
$56.9M -$62.6M -580,300 -51%
D.E. Shaw & Co
22
D.E. Shaw & Co
New York
$53.3M +$33.4M +309,229 +146%
RSCM
23
Rock Springs Capital Management
Maryland
$51.7M -$3.47M -32,129 -6%
SI
24
Sofinnova Investments
California
$49.3M
IA
25
IndexIQ Advisors
New York
$46M -$23.6M -218,402 -33%