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ISHARES 20 YEAR TREASURY BO
ISHARES 20 YEAR TREASURY BO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 295 Institutional holders with a total value of $9,846,116,435.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SUSQUEHANNA INTERNATIONAL GROUP, LLP 7,123,100 836,679,000 8.50% Put
2 CITIGROUP INC 6,270,742 736,562,000 7.48%
3 SUSQUEHANNA INTERNATIONAL GROUP, LLP 5,259,900 617,828,000 6.27% Call
4 MORGAN STANLEY 4,616,390 542,241,000 5.51%
5 GUGGENHEIM CAPITAL LLC 3,998,000 469,884,000 4.77% Call
6 Parallax Volatility Advisers, L.P. 3,539,400 415,736,000 4.22% Call
7 GOLDMAN SACHS GROUP INC 2,841,400 333,751,000 3.39% Put
8 BANK OF AMERICA CORP /DE/ 2,367,100 278,040,000 2.82% Put
9 GOLDMAN SACHS GROUP INC 2,360,100 277,217,000 2.82% Call
10 Parallax Volatility Advisers, L.P. 2,347,700 275,761,000 2.80% Put
11 Windhaven Investment Management, Inc. 2,324,820 273,073,000 2.77%
12 CITIGROUP INC 2,275,600 267,292,000 2.71% Put
13 BANK OF AMERICA CORP /DE/ 2,269,900 266,622,000 2.71% Call
14 BANK OF AMERICA CORP /DE/ 2,123,128 249,382,000 2.53%
15 BARCLAYS PLC 2,107,400 246,566,000 2.50% Put
16 CITIGROUP INC 2,078,200 244,105,000 2.48% Call
17 SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,592,455 187,050,000 1.90%
18 CREDIT SUISSE AG/ 1,477,809 173,583,000 1.76%
19 BARCLAYS PLC 1,201,500 140,575,000 1.43% Call
20 JANE STREET GROUP, LLC 1,082,400 127,139,000 1.29% Put
21 JPMORGAN CHASE & CO 1,067,312 125,367,000 1.27%
22 UBS Group AG 1,055,236 123,948,000 1.26%
23 FMR LLC 1,028,351 120,790,000 1.23%
24 MASTERS CAPITAL MANAGEMENT LLC 1,000,000 117,460,000 1.19% Put
25 METROPOLITAN LIFE INSURANCE CO/NY 892,610 104,846,000 1.06%
26 GOLDMAN SACHS GROUP INC 727,925 85,502,000 0.87%
27 QS Investors, LLC 669,035 78,585,000 0.80%
28 STATE STREET CORP 663,905 77,982,000 0.79%
29 NOMURA HOLDINGS INC 650,000 76,257,000 0.77% Call
30 UBS Group AG 610,100 71,662,000 0.73% Call
31 JANE STREET GROUP, LLC 593,100 69,665,000 0.71% Call
32 WELLS FARGO & COMPANY/MN 556,364 65,350,000 0.66%
33 ENVESTNET ASSET MANAGEMENT INC 520,739 61,166,000 0.62%
34 Pinnacle Advisory Group, Inc. 503,115 59,095,000 0.60%
35 MIZUHO SECURITIES USA LLC 500,000 58,730,000 0.60%
36 LPL Financial LLC 396,406 46,835,000 0.48%
37 ASSETMARK, INC 385,587 45,291,000 0.46%
38 BARCLAYS PLC 379,808 44,440,000 0.45%
39 VOYA INVESTMENT MANAGEMENT LLC 377,733 44,368,000 0.45%
40 QUALCOMM INC/DE 366,700 43,073,000 0.44% Put
41 THRIVENT FINANCIAL FOR LUTHERANS 363,548 42,861,000 0.44%
42 SG Americas Securities, LLC 324,495 38,115,000 0.39%
43 JANE STREET GROUP, LLC 318,743 37,439,000 0.38%
44 UNITED SERVICES AUTOMOBILE ASSOCIATION 310,400 36,460,000 0.37%
45 BlackRock Institutional Trust Company, N.A. 305,699 35,907,000 0.36%
46 BLACKROCK ADVISORS LLC 303,808 35,685,000 0.36%
47 Parallax Volatility Advisers, L.P. 297,879 34,989,000 0.36%
48 MEEDER ASSET MANAGEMENT INC 285,457 33,529,000 0.34%
49 SABBY MANAGEMENT, LLC 246,000 28,895,000 0.29%
50 AMERIPRISE FINANCIAL INC 244,662 28,697,000 0.29%
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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.