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SEATTLE GENETICS INC
SEATTLE GENETICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 207 Institutional holders with a total value of $4,897,784,300.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAKER BROS. ADVISORS LP 22,472,229 859,562,000 17.55%
2 FMR LLC 18,471,787 706,546,000 14.43%
3 BAILLIE GIFFORD & CO 13,076,781 500,187,000 10.21%
4 PRIMECAP MANAGEMENT CO/CA/ 10,895,800 416,764,000 8.51%
5 COLUMBIA WANGER ASSET MANAGEMENT LLC 6,610,000 252,832,000 5.16%
6 VANGUARD GROUP INC 6,219,143 237,882,000 4.86%
7 CAPITAL GUARDIAN TRUST CO 5,175,692 197,970,000 4.04%
8 WASATCH ADVISORS LP 2,843,347 108,758,000 2.22%
9 BlackRock Institutional Trust Company, N.A. 2,669,312 102,101,000 2.08%
10 PRICE T ROWE ASSOCIATES INC /MD/ 2,532,789 96,879,000 1.98%
11 WELLINGTON MANAGEMENT GROUP LLP 2,382,028 91,114,000 1.86%
12 BlackRock Fund Advisors 2,235,048 85,491,000 1.75%
13 Capital International Investors 1,769,000 67,664,000 1.38%
14 STATE STREET CORP 1,562,703 59,777,000 1.22%
15 BLACKROCK ADVISORS LLC 1,424,197 54,476,000 1.11%
16 OppenheimerFunds, Inc. 1,400,000 53,550,000 1.09%
17 PINNACLE ASSOCIATES LTD 1,356,616 51,891,000 1.06%
18 EAGLE ASSET MANAGEMENT INC 1,246,667 47,685,000 0.97%
19 Invesco Ltd. 1,244,522 47,603,000 0.97%
20 USS Investment Management Ltd 1,203,291 46,026,000 0.94%
21 MORGAN STANLEY 1,045,895 40,006,000 0.82%
22 ROCKEFELLER FINANCIAL SERVICES INC 915,653 35,023,000 0.72%
23 DEUTSCHE BANK AG\ 906,446 34,668,000 0.71%
24 Mitsubishi UFJ Trust & Banking Corp 808,600 30,929,000 0.63%
25 NORGES BANK 806,985 30,867,000 0.63%
26 FEDERATED HERMES, INC. 716,150 27,392,000 0.56%
27 BlackRock Group LTD 632,837 24,206,000 0.49%
28 SECTORAL ASSET MANAGEMENT INC 612,219 23,417,000 0.48%
29 BLAIR WILLIAM & CO/IL 603,182 23,071,000 0.47%
30 GEODE CAPITAL MANAGEMENT, LLC 574,841 21,987,000 0.45%
31 Capital International Sarl 525,400 20,097,000 0.41%
32 BANK OF AMERICA CORP /DE/ 524,300 20,054,000 0.41%
33 NORTHERN TRUST CORP 512,463 19,601,000 0.40%
34 CAPITAL INTERNATIONAL LTD /CA/ 462,100 17,675,000 0.36%
35 BROWN ADVISORY INC 460,677 17,622,000 0.36%
36 SUSQUEHANNA INTERNATIONAL GROUP, LLP 435,100 16,643,000 0.34% Put
37 Bank of New York Mellon Corp 408,304 15,617,000 0.32%
38 MANNING & NAPIER ADVISORS LLC 399,490 15,279,000 0.31%
39 Capital World Investors 372,000 14,229,000 0.29%
40 FIRST TRUST ADVISORS LP 371,550 14,212,000 0.29%
41 TIAA CREF INVESTMENT MANAGEMENT LLC 327,273 12,518,000 0.26%
42 Capital International, Inc./CA/ 313,000 11,972,000 0.24%
43 AXA S.A. 310,397 11,873,000 0.24%
44 MACQUARIE GROUP LTD 308,335 11,794,000 0.24%
45 SPHERA FUNDS MANAGEMENT LTD. 297,800 11,391,000 0.23%
46 COMMONWEALTH BANK OF AUSTRALIA 296,209 11,329,000 0.23%
47 SUSQUEHANNA INTERNATIONAL GROUP, LLP 288,600 11,039,000 0.23% Call
48 BlackRock Finance, Inc. 270,306 10,340,000 0.21%
49 GOLDMAN SACHS GROUP INC 264,309 10,110,000 0.21%
50 STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 233,500 8,931,000 0.18%
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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.