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TWITTER INC
TWITTER INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 11 Institutional holders with a total value of $102,323,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 965,300 48,342,000 47.24% Call
2 Marathon Trading Investment Management LLC 317,100 15,879,000 15.52% Call
3 Timber Hill LLC 285,400 14,293,000 13.97% Call
4 Virtu KCG Holdings LLC 140,600 7,041,000 6.88% Call
5 Calamos Advisors LLC 4,120 4,584,000 4.48% Call
6 GROUP ONE TRADING LLC 74,700 3,741,000 3.66% Call
7 Columbia Pacific Advisors, LLC 50,000 2,504,000 2.45% Call
8 SIMPLEX TRADING, LLC 5,012 2,370,000 2.32% Call
9 Swan Global Investments, LLC 2,151 1,565,000 1.53% Call
10 MITSUBISHI UFJ SECURITIES (USA), Inc. 20,000 1,002,000 0.98% Call
11 MUFG Securities EMEA plc 20,000 1,002,000 0.98% 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.