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

Institutional Holders (2015Q3)
Portfolio Summary: 4 Institutional holders with a total value of $12,197,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,402 5,851,000 47.97% Call
2 GROUP ONE TRADING LLC 125,600 5,241,000 42.97% Call
3 CITADEL ADVISORS LLC 22,500 939,000 7.70% Call
4 SIMPLEX TRADING, LLC 502 166,000 1.36% 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.