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ONCE

Spark Therapeutics, Inc. Common Stock
ONCE

Delisted

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

184 hedge funds and large institutions have $3.44B invested in Spark Therapeutics, Inc. Common Stock in 2019 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 63 increasing their positions, 56 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

15% more funds holding in top 10

Funds holding in top 10: 2023 (+3)

13% more repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 56

5% less capital invested

Capital invested by funds: $3.63B → $3.44B (-$181M)

5% less funds holding

Funds holding: 194184 (-10)

29% less first-time investments, than exits

New positions opened: 24 | Existing positions closed: 34

47% less call options, than puts

Call options by funds: $109M | Put options by funds: $204M

Holders
184
Holders Change
-10
Holders Change %
-5.15%
% of All Funds
4.04%
Holding in Top 10
23
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+15%
% of All Funds
0.5%
New
24
Increased
63
Reduced
56
Closed
34
Calls
$109M
Puts
$204M
Net Calls
-$95M
Net Calls Change
-$101M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$314M +$5.99M +59,859 +2%
BlackRock
2
BlackRock
New York
$278M +$11.4M +113,605 +4%
PCM
3
Pentwater Capital Management
Florida
$204M +$133M +1,323,545 +170%
BC
4
Boxer Capital
California
$160M +$105M +1,050,000 +175%
PC
5
Paulson & Co
New York
$139M +$68.1M +679,859 +90%
State Street
6
State Street
Massachusetts
$128M +$1.98M +19,736 +2%
CC
7
Casdin Capital
New York
$83.7M -$2.15M -21,500 -2%
AA
8
AQR Arbitrage
Connecticut
$83.2M +$13.1M +131,309 +18%
AAM
9
Alpine Associates Management
Florida
$78.4M +$2.48M +24,800 +3%
MF
10
Magnetar Financial
Illinois
$75.8M -$10.3M -103,091 -12%
BBA
11
Baker Bros. Advisors
New York
$72.9M
EC
12
EcoR1 Capital
California
$69.3M +$10.1M +100,661 +16%
Citadel Advisors
13
Citadel Advisors
Florida
$63.5M +$2.27M +22,676 +4%
TAL
14
TIG Advisors LLC
New York
$61.5M +$3.5M +34,978 +6%
Adage Capital Partners
15
Adage Capital Partners
Massachusetts
$56.7M
GF
16
Gabelli Funds
New York
$52.4M -$8.23M -82,227 -13%
RSCM
17
Rock Springs Capital Management
Maryland
$49M
JP Morgan Chase
18
JP Morgan Chase
New York
$48.5M -$18.3M -183,079 -27%
Goldman Sachs
19
Goldman Sachs
New York
$47.9M -$6.16M -61,546 -11%
Millennium Management
20
Millennium Management
New York
$47.9M -$16.9M -169,216 -26%
SI
21
Sofinnova Investments
California
$46.7M
Geode Capital Management
22
Geode Capital Management
Massachusetts
$45.6M +$2.43M +24,262 +5%
Northern Trust
23
Northern Trust
Illinois
$43.5M +$3.93M +39,295 +10%
IA
24
IndexIQ Advisors
New York
$40.5M -$3.22M -32,135 -7%
GLAM
25
Gardner Lewis Asset Management
Pennsylvania
$35.3M -$1.1M -11,000 -3%