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MACERICH CO
MACERICH CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 5 Institutional holders with a total value of $16,534,850.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 155,900 13,147,000 79.51% Put
2 Marathon Trading Investment Management LLC 25,000 2,108,000 12.75% Put
3 CITADEL ADVISORS LLC 13,100 1,105,000 6.68% Put
4 SIMPLEX TRADING, LLC 227 134,000 0.81% Put
5 WATER ISLAND CAPITAL LLC 17,200 40,850 0.25%

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.