Blackrock Inc. (BLK)

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Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1.
Ivy Lane Capital

Robert W. Koehn

19,900 $20,399,689 11.01%
2.
Skylands Capital

Charles Paquelet

850 $871,344 -30% 0.12%
3.
PEAK6 Capital ManagementPUT

Matthew Hulsizer

0 $0 0%
4.
PEAK6 Capital ManagementCALL

Matthew Hulsizer

0 $0 0%
5.
Eisler CapitalPUT

Edward Eisler

0 $0 0%