ONCE

Spark Therapeutics, Inc. Common Stock
ONCE

Overview Fund Activity
Delisted

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

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199 hedge funds and large institutions have $4.04B invested in Spark Therapeutics, Inc. Common Stock in 2019 Q1 according to their latest regulatory filings, with 84 funds opening new positions, 42 increasing their positions, 51 reducing their positions, and 42 closing their positions.

Holders
199
Holders Change
+42
Holders Change %
+26.75%
% of All Funds
4.31%
Holding in Top 10
22
Holding in Top 10 Change
+19
Holding in Top 10 Change %
+633.33%
% of All Funds
0.48%
New
84
Increased
42
Reduced
51
Closed
42
Calls
$87.4M
Puts
$56.3M
Net Calls
+$31M
Net Calls Change
+$36.7M

Top Buyers

1
MF
1
Magnetar Financial
Illinois
$104M
2
BCM
2
Beryl Capital Management
California
$102M
3
FCM
3
Farallon Capital Management
California
$93.4M
4
AA
4
AQR Arbitrage
Connecticut
$89.9M
5
AAM
5
Alpine Associates Management
Florida
$78.8M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$24M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$34.9M
3
PHS
3
PFM Health Sciences
California
$24.6M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$117M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$78.8M
Name Market Value Shares Shares
Change 		Shares
Change %
Hudson Bay Capital Management
101
Hudson Bay Capital Management
Connecticut
$3.42M 30,000 – –
GCL
102
Glazer Capital LLC
New York
$3.42M 30,000 +30,000 New
Ohio Public Employees Retirement System (OPERS)
103
Ohio Public Employees Retirement System (OPERS)
Ohio
$3.42M 30,000 +30,000 New
Ameriprise
104
Ameriprise
Minnesota
$3.38M 29,682 -120,296 -80%
PP
105
Paloma Partners
Connecticut
$3.36M 29,529 +29,529 New
Rafferty Asset Management
106
Rafferty Asset Management
New York
$3.19M 28,030 +28,030 New
GH
107
GAM Holding
Switzerland
$3.07M 26,970 +26,970 New
UBS AM
108
UBS AM
Illinois
$3.04M 26,672 -141,333 -84%
Balyasny Asset Management
109
Balyasny Asset Management
Illinois
$2.97M 26,040 +26,040 New
Russell Investments Group
110
Russell Investments Group
United Kingdom
$2.94M 25,775 – –
HA
111
Havens Advisors
New York
$2.85M 25,000 +25,000 New
KPF
112
K2 Principal Fund
Ontario, Canada
$2.65M 23,260 +23,260 New
EAM
113
Exane Asset Management
France
$2.6M 22,858 +22,858 New
Manulife (Manufacturers Life Insurance)
114
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.36M 20,704 +1,509 +8%
Credit Agricole
115
Credit Agricole
France
$2.32M 20,360 +4,980 +32%
Wells Fargo
116
Wells Fargo
California
$2.31M 20,302 -30,537 -60%
AIG
117
American International Group
New York
$2.28M 20,057 -649 -3%
VEA
118
Virtus ETF Advisers
New York
$2.25M 19,751 +4,520 +30%
PPA
119
Parametric Portfolio Associates
Washington
$2.24M 19,634 +4,336 +28%
Capstone Investment Advisors
120
Capstone Investment Advisors
New York
$2.19M 19,232 +19,232 New
State Board of Administration of Florida Retirement System
121
State Board of Administration of Florida Retirement System
Florida
$2.04M 17,916 +220 +1%
Capital Fund Management (CFM)
122
Capital Fund Management (CFM)
France
$2.02M 17,714 -6,093 -26%
Susquehanna International Group
123
Susquehanna International Group
Pennsylvania
$1.97M 17,327 -2,794 -14%
ProShare Advisors
124
ProShare Advisors
Maryland
$1.89M 16,595 +488 +3%
PAM
125
Panagora Asset Management
Massachusetts
$1.87M 16,432 +16,432 New
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5
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