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

Institutional Holders (2016Q4)
Portfolio Summary: 290 Institutional holders with a total value of $7,316,509,577.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAKER BROS. ADVISORS LP 45,711,856 2,412,215,000 32.97%
2 BAILLIE GIFFORD & CO 16,570,644 874,433,000 11.95%
3 PRIMECAP MANAGEMENT CO/CA/ 13,230,162 698,156,000 9.54%
4 FMR LLC 11,777,732 621,511,000 8.49%
5 VANGUARD GROUP INC 7,087,643 374,014,000 5.11%
6 PRICE T ROWE ASSOCIATES INC /MD/ 3,564,006 188,073,000 2.57%
7 BlackRock Fund Advisors 3,110,333 164,132,000 2.24%
8 WASATCH ADVISORS LP 2,728,810 143,999,000 1.97%
9 BlackRock Institutional Trust Company, N.A. 2,649,393 139,808,000 1.91%
10 STATE STREET CORP 2,566,041 135,404,000 1.85%
11 Artisan Partners Limited Partnership 2,182,971 115,195,000 1.57%
12 Redmile Group, LLC 1,520,904 80,258,000 1.10%
13 OppenheimerFunds, Inc. 1,400,000 73,878,000 1.01%
14 PINNACLE ASSOCIATES LTD 1,107,507 58,443,000 0.80%
15 NORGES BANK 1,089,077 57,470,000 0.79%
16 Mitsubishi UFJ Trust & Banking Corp 1,047,516 55,277,000 0.76%
17 GOLDMAN SACHS GROUP INC 969,555 51,163,000 0.70%
18 FIRST TRUST ADVISORS LP 953,352 50,308,000 0.69%
19 DEUTSCHE BANK AG\ 853,710 45,044,000 0.62%
20 COLUMBIA WANGER ASSET MANAGEMENT LLC 760,744 40,144,000 0.55%
21 GEODE CAPITAL MANAGEMENT, LLC 734,643 38,754,000 0.53%
22 BLAIR WILLIAM & CO/IL 636,302 33,578,000 0.46%
23 EVENTIDE ASSET MANAGEMENT, LLC 560,000 29,551,000 0.40%
24 NORTHERN TRUST CORP 541,366 28,567,000 0.39%
25 BLACKROCK ADVISORS LLC 526,785 27,799,000 0.38%
26 Lagoda Investment Management, L.P. 517,829 27,326,000 0.37%
27 Matrix Capital Management Company, LP 498,000 26,279,000 0.36%
28 TWO SIGMA INVESTMENTS, LP 469,039 24,751,000 0.34%
29 BlackRock Group LTD 461,929 24,375,000 0.33%
30 BANK OF AMERICA CORP /DE/ 452,927 23,901,000 0.33%
31 TIAA CREF INVESTMENT MANAGEMENT LLC 434,967 22,953,000 0.31%
32 Bank of New York Mellon Corp 414,024 21,847,000 0.30%
33 TWO SIGMA ADVISERS, LP 389,222 20,539,000 0.28%
34 THORNBURG INVESTMENT MANAGEMENT INC 318,740 16,820,000 0.23%
35 NEW YORK STATE COMMON RETIREMENT FUND 312,251 16,477,000 0.23%
36 Avoro Capital Advisors LLC 295,533 15,595,000 0.21%
37 TEACHERS ADVISORS, LLC 287,808 15,188,000 0.21%
38 Swiss National Bank 275,600 14,543,000 0.20%
39 Sumitomo Mitsui Trust Group, Inc. 275,157 14,520,000 0.20%
40 CREDIT SUISSE AG/ 262,106 13,832,000 0.19%
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 261,897 13,821,000 0.19%
42 RENAISSANCE TECHNOLOGIES LLC 253,313 13,367,000 0.18%
43 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 228,900 12,079,000 0.17%
44 RUSSELL INVESTMENTS GROUP, LTD. 215,246 11,492,000 0.16%
45 DIMENSIONAL FUND ADVISORS LP 205,842 10,863,000 0.15%
46 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 199,807 10,544,000 0.14%
47 ROYAL BANK OF CANADA 191,500 10,106,000 0.14%
48 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 188,705 9,959,000 0.14%
49 EAGLE ASSET MANAGEMENT INC 173,589 9,160,000 0.13%
50 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 169,406 8,940,000 0.12%
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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.