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

Institutional Holders (2016Q3)
Portfolio Summary: 257 Institutional holders with a total value of $7,543,416,677.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAKER BROS. ADVISORS LP 44,100,294 2,381,857,000 31.58%
2 BAILLIE GIFFORD & CO 16,795,793 907,142,000 12.03%
3 PRIMECAP MANAGEMENT CO/CA/ 13,420,237 724,827,000 9.61%
4 FMR LLC 13,131,642 709,240,000 9.40%
5 VANGUARD GROUP INC 7,102,952 383,630,000 5.09%
6 PRICE T ROWE ASSOCIATES INC /MD/ 4,752,993 256,709,000 3.40%
7 Artisan Partners Limited Partnership 4,104,329 221,675,000 2.94%
8 BlackRock Fund Advisors 2,926,613 158,066,000 2.10%
9 WASATCH ADVISORS LP 2,844,908 153,653,000 2.04%
10 BlackRock Institutional Trust Company, N.A. 2,405,109 129,900,000 1.72%
11 STATE STREET CORP 1,983,063 107,109,000 1.42%
12 Redmile Group, LLC 1,781,470 96,217,000 1.28%
13 OppenheimerFunds, Inc. 1,400,000 75,614,000 1.00%
14 GOLDMAN SACHS GROUP INC 1,350,318 72,931,000 0.97%
15 PINNACLE ASSOCIATES LTD 1,166,413 62,998,000 0.84%
16 CITADEL ADVISORS LLC 1,146,267 61,910,000 0.82%
17 DEUTSCHE BANK AG\ 969,314 52,348,000 0.69%
18 Mitsubishi UFJ Trust & Banking Corp 875,039 47,261,000 0.63%
19 EVENTIDE ASSET MANAGEMENT, LLC 835,506 45,126,000 0.60%
20 NORGES BANK 849,671 43,831,000 0.58%
21 FIRST TRUST ADVISORS LP 747,389 40,366,000 0.54%
22 GEODE CAPITAL MANAGEMENT, LLC 723,348 39,067,000 0.52%
23 COLUMBIA WANGER ASSET MANAGEMENT LLC 682,974 36,887,000 0.49%
24 BLAIR WILLIAM & CO/IL 669,458 36,157,000 0.48%
25 Lagoda Investment Management, L.P. 567,057 30,627,000 0.41%
26 BANK OF AMERICA CORP /DE/ 443,485 23,952,000 0.32%
27 NORTHERN TRUST CORP 416,184 22,479,000 0.30%
28 Bank of New York Mellon Corp 373,752 20,187,000 0.27%
29 BLACKROCK ADVISORS LLC 370,627 20,018,000 0.27%
30 NEW YORK STATE COMMON RETIREMENT FUND 353,061 19,069,000 0.25%
31 BALYASNY ASSET MANAGEMENT L.P. 348,864 18,842,000 0.25%
32 LORD, ABBETT & CO. LLC 344,174 18,589,000 0.25%
33 CREDIT SUISSE AG/ 333,874 18,033,000 0.24%
34 THORNBURG INVESTMENT MANAGEMENT INC 316,277 17,082,000 0.23%
35 TIAA CREF INVESTMENT MANAGEMENT LLC 308,680 16,672,000 0.22%
36 MORGAN STANLEY 263,587 14,236,000 0.19%
37 MANNING & NAPIER ADVISORS LLC 257,580 13,910,000 0.18%
38 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 245,344 13,252,000 0.18%
39 D. E. Shaw & Co., Inc. 245,073 13,236,000 0.18%
40 BOXER CAPITAL, LLC 232,600 12,563,000 0.17%
41 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 221,200 11,947,000 0.16%
42 EMERALD ACQUISITION LTD. 220,992 11,935,000 0.16%
43 ROYAL BANK OF CANADA 205,238 11,085,000 0.15%
44 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 205,207 11,083,000 0.15%
45 DIMENSIONAL FUND ADVISORS LP 203,256 10,977,000 0.15%
46 Invesco Ltd. 179,370 9,688,000 0.13%
47 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 178,977 9,667,000 0.13%
48 Swiss National Bank 170,400 9,203,000 0.12%
49 NF TRINITY CAPITAL (HONG KONG) LTD 166,461 8,991,000 0.12%
50 BlackRock Group LTD 165,936 8,962,000 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.