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

Institutional Holders (2014Q4)
Portfolio Summary: 11 Institutional holders with a total value of $84,784,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 910,400 32,656,000 38.52% Call
2 Marathon Trading Investment Management LLC 492,300 17,661,000 20.83% Call
3 Timber Hill LLC 402,300 14,431,000 17.02% Call
4 MUFG Securities EMEA plc 190,000 6,815,000 8.04% Call
5 Virtu KCG Holdings LLC 163,900 5,879,000 6.93% Call
6 GROUP ONE TRADING LLC 154,700 5,549,000 6.54% Call
7 Calamos Advisors LLC 4,120 1,401,000 1.65% Call
8 SIMPLEX TRADING, LLC 4,957 384,000 0.45% Call
9 Glassman Wealth Services 20 6,000 0.01% Call
10 Teewinot Capital Advisers, L.L.C. 1,460 1,000 0.00% Call
11 People's United Financial, Inc. 10 1,000 0.00% 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.