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ISHARES TR
ISHARES TR. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 23 Institutional holders with a total value of $3,162,166,796.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 10,637,700 1,145,392,000 36.22% Put
2 JPMORGAN CHASE & CO 6,154,199 639,494,000 20.22% Put
3 Timber Hill LLC 4,785,000 529,365,000 16.74% Put
4 WHITEBOX ADVISORS LLC 1,700,000 188,054,000 5.95% Put
5 Allianz Asset Management GmbH 2,034,288 177,694,000 5.62% Put
6 SABBY MANAGEMENT, LLC 17,673 162,342,000 5.13% Put
7 VALTURA CAPITAL PARTNERS LLC 1,127,000 124,680,000 3.94% Put
8 Pentwater Capital Management LP 500,000 55,315,000 1.75% Put
9 SNS Financial Group, LLC 535,400 38,380,000 1.21% Put
10 SPHERA FUNDS MANAGEMENT LTD. 250,000 27,658,000 0.87% Put
11 StratiFi, LLC 149,100 24,723,000 0.78% Put
12 GLENHILL ADVISORS LLC 39,400 21,218,000 0.67% Put
13 SG Americas Securities, LLC 11,524,900 13,325,000 0.42% Put
14 Iguana Healthcare Management, LLC 100,000 11,063,000 0.35% Put
15 ALTA PARK CAPITAL, LP 20,000 2,213,000 0.07% Put
16 TAMARACK ADVISERS, LP 7,000 518,000 0.02% Put SH
17 CRAMER ROSENTHAL MCGLYNN LLC 3,100 342,000 0.01% Put
18 CIBC WORLD MARKETS CORP 4,700 269,000 0.01% Put
19 Avoro Capital Advisors LLC 250,000 51,000 0.00% Put
20 Parametric Risk Advisors LLC 6,360 45,000 0.00% Put
21 TLP GROUP LLC 3,700 23,000 0.00% Put
22 Patten Group, Inc. 20 2,796 0.00% Put
23 VERDE SERVICOS INTERNACIONAIS S.A. 300 0 0.00% Put

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.