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

Institutional Holders (2015Q4)
Portfolio Summary: 4 Institutional holders with a total value of $21,417,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 50,900 17,332,000 80.93% Call
2 Timber Hill LLC 6,800 2,316,000 10.81% Call
3 Allianz Asset Management GmbH 5,000 1,703,000 7.95% Call
4 SIMPLEX TRADING, LLC 126 66,000 0.31% 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.