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INTUITIVE SURGICAL INC
INTUITIVE SURGICAL INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q2)
Portfolio Summary: 7 Institutional holders with a total value of $70,335,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 86,300 57,080,000 81.15% Call
2 Timber Hill LLC 15,600 10,318,000 14.67% Call
3 Allianz Asset Management GmbH 1,400 926,000 1.32% Call
4 Calamos Advisors LLC 110 702,000 1.00% Call
5 SOCIETE GENERALE 9,800 479,000 0.68% Call
6 SG Americas Securities, LLC 9,800 479,000 0.68% Call
7 SIMPLEX TRADING, LLC 135 351,000 0.50% 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.