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

Institutional Holders (2015Q1)
Portfolio Summary: 6 Institutional holders with a total value of $18,145,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 37,500 13,719,000 75.61% Call
2 Timber Hill LLC 6,400 2,341,000 12.90% Call
3 Allianz Asset Management GmbH 4,800 1,756,000 9.68% Call
4 Virtu KCG Holdings LLC 700 256,000 1.41% Call
5 SIMPLEX TRADING, LLC 141 70,000 0.39% Call
6 LUPO SECURITIES, LLC 3 3,000 0.02% 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.