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

Institutional Holders (2014Q4)
Portfolio Summary: 3 Institutional holders with a total value of $1,723,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 20,800 1,145,000 66.45% Call
2 CITADEL ADVISORS LLC 10,400 573,000 33.26% Call
3 SIMPLEX TRADING, LLC 2 5,000 0.29% 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.