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

Institutional Holders (2014Q4)
Portfolio Summary: 5 Institutional holders with a total value of $15,590,560.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 38,100 13,623,000 87.38% Call
2 Timber Hill LLC 3,800 1,359,000 8.72% Call
3 Virtu KCG Holdings LLC 1,400 501,000 3.21% Call
4 SIMPLEX TRADING, LLC 156 82,000 0.53% Call
5 LUPO SECURITIES, LLC 6 25,560 0.16% 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.