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SPARK THERAPEUTICS INC
SPARK THERAPEUTICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 5 Institutional holders with a total value of $7,717,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 898 5,412,000 70.13% Call
2 Iguana Healthcare Management, LLC 17,500 1,055,000 13.67% Call
3 GROUP ONE TRADING LLC 13,700 826,000 10.70% Call
4 CITADEL ADVISORS LLC 6,500 392,000 5.08% Call
5 SIMPLEX TRADING, LLC 35 32,000 0.41% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.