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

Institutional Holders (2015Q4)
Portfolio Summary: 5 Institutional holders with a total value of $778,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 25,600 441,000 56.68% Call
2 JPMORGAN CHASE & CO 8,900 153,000 19.67% Call
3 CITADEL ADVISORS LLC 8,000 138,000 17.74% Call
4 GROUP ONE TRADING LLC 2,600 45,000 5.78% Call
5 SIMPLEX TRADING, LLC 9 1,000 0.13% 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.