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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%
Magnetar Financial
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%
Pentwater Capital Management
7
Pentwater Capital Management
Florida
$79.9M +$84.2M +780,000 New
Farallon Capital Management
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 – – –
AQR Arbitrage
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%
Gabelli Funds
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 – – –
IndexIQ Advisors
25
IndexIQ Advisors
New York
$46M -$23.6M -218,402 -33%