ONCE

Spark Therapeutics, Inc. Common Stock
ONCE

Overview Fund Activity
Delisted

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

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122 hedge funds and large institutions have $1.48B invested in Spark Therapeutics, Inc. Common Stock in 2017 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 41 increasing their positions, 39 reducing their positions, and 7 closing their positions.

Holders
122
Holders Change
+3
Holders Change %
+2.52%
% of All Funds
3.04%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
16
Increased
41
Reduced
39
Closed
7
Calls
$3.81M
Puts
$375K
Net Calls
+$3.43M
Net Calls Change
+$2.29M

Top Buyers

1
BlackRock
1
BlackRock
New York
$98.2M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$43.1M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$180M
4
Wells Fargo
4
Wells Fargo
California
$27.9M
5
PC
5
PointState Capital
New York
$10.4M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$23.6M
2
Citadel Advisors
2
Citadel Advisors
Florida
$4.99M
3
SMV
3
Sofinnova Management VIII
California
$37.3M
4
Invesco
4
Invesco
Georgia
$7.28M
5
BCPEM
5
Bain Capital Public Equity Management
Massachusetts
$12.2M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$248M 4,656,655 +40,698 +0.9%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$180M 3,372,785 +331,069 +11%
BlackRock
3
BlackRock
New York
$98.2M 1,840,214 +1,824,117 +11,332%
Vanguard Group
4
Vanguard Group
Pennsylvania
$97.5M 1,827,660 +90,686 +5%
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$82.6M 1,549,093 +112,596 +8%
Federated Hermes
6
Federated Hermes
Pennsylvania
$72.7M 1,363,200 -8,000 -0.6%
BBA
7
Baker Bros. Advisors
New York
$70.3M 1,318,341 – –
State Street
8
State Street
Massachusetts
$47.1M 882,726 -19,880 -2%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$43.1M 808,782 +440,287 +119%
SMV
10
Sofinnova Management VIII
California
$37.3M 699,430 -205,556 -23%
ClearBridge Investments
11
ClearBridge Investments
New York
$35.8M 671,500 +53 +0%
RSCM
12
Rock Springs Capital Management
Maryland
$33.3M 625,000 – –
Goldman Sachs
13
Goldman Sachs
New York
$29.3M 550,061 +51,954 +10%
Wells Fargo
14
Wells Fargo
California
$27.9M 522,894 +297,277 +132%
Lord, Abbett & Co
15
Lord, Abbett & Co
New Jersey
$26.4M 494,008 -70,738 -13%
American Century Companies
16
American Century Companies
Missouri
$26.1M 488,519 +3,445 +0.7%
Capital World Investors
17
Capital World Investors
California
$24.5M 459,520 +31,500 +7%
JHIU
18
Janus Henderson Investors US
Colorado
$24.5M 458,743 +80,750 +21%
Millennium Management
19
Millennium Management
New York
$23.6M 442,993 -573,633 -56%
Victory Capital Management
20
Victory Capital Management
Texas
$22M 412,660 +42,388 +11%
DM
21
Deerfield Management
New York
$15.1M 283,000 – –
Northern Trust
22
Northern Trust
Illinois
$13M 244,259 +15,050 +7%
Ameriprise
23
Ameriprise
Minnesota
$12.8M 239,185 +445 +0.2%
BCPEM
24
Bain Capital Public Equity Management
Massachusetts
$12.2M 228,517 -99,596 -30%
GTC
25
Ghost Tree Capital
New York
$10.7M 200,000 +120,000 +150%
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