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ONCE

Spark Therapeutics, Inc. Common Stock
ONCE

Delisted

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

194 hedge funds and large institutions have $3.63B invested in Spark Therapeutics, Inc. Common Stock in 2019 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 67 increasing their positions, 57 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

18% more repeat investments, than reductions

Existing positions increased: 67 | Existing positions reduced: 57

9% more call options, than puts

Call options by funds: $76.4M | Put options by funds: $70.3M

4% less first-time investments, than exits

New positions opened: 43 | Existing positions closed: 45

3% less funds holding

Funds holding: 199194 (-5)

9% less funds holding in top 10

Funds holding in top 10: 2220 (-2)

10% less capital invested

Capital invested by funds: $4.04B → $3.63B (-$410M)

Holders
194
Holders Change
-5
Holders Change %
-2.51%
% of All Funds
4.21%
Holding in Top 10
20
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-9.09%
% of All Funds
0.43%
New
43
Increased
67
Reduced
57
Closed
45
Calls
$76.4M
Puts
$70.3M
Net Calls
+$6.11M
Net Calls Change
-$24.9M
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%