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GT ADVANCED TECHNOLOGIES INC
GT ADVANCED TECHNOLOGIES INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 3 Institutional holders with a total value of $1,076,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 467 626,000 58.18% Put
2 GROUP ONE TRADING LLC 1,329,700 440,000 40.89% Put
3 Marathon Trading Investment Management LLC 30,000 10,000 0.93% Put

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.