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IONIS PHARMACEUTICALS INC
IONIS PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 337 Institutional holders with a total value of $4,323,602,314.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 17,792,097 720,580,000 16.67%
2 Clearbridge Investments, LLC 11,124,548 450,544,000 10.42%
3 VANGUARD GROUP INC 8,445,611 342,047,000 7.91%
4 BAILLIE GIFFORD & CO 8,283,738 335,492,000 7.76%
5 BB BIOTECH AG 6,779,838 274,583,000 6.35%
6 WADDELL & REED FINANCIAL INC 5,801,100 234,944,000 5.43%
7 STATE STREET CORP 3,037,388 123,010,000 2.85%
8 BlackRock Institutional Trust Company, N.A. 3,023,694 122,460,000 2.83%
9 BlackRock Fund Advisors 2,754,474 111,556,000 2.58%
10 FRANKLIN RESOURCES INC 1,771,447 71,743,000 1.66%
11 PINNACLE ASSOCIATES LTD 1,697,378 68,744,000 1.59%
12 OppenheimerFunds, Inc. 1,449,191 58,693,000 1.36%
13 PRICE T ROWE ASSOCIATES INC /MD/ 1,314,228 53,226,000 1.23%
14 BLACKROCK ADVISORS LLC 1,128,642 45,710,000 1.06%
15 FIRST TRUST ADVISORS LP 1,091,692 44,214,000 1.02%
16 TOCQUEVILLE ASSET MANAGEMENT L.P. 1,087,554 44,046,000 1.02%
17 MILLENNIUM MANAGEMENT LLC 1,078,089 43,663,000 1.01%
18 Apex Capital Management 1,036,620 41,983,000 0.97%
19 NORGES BANK 1,019,236 41,279,000 0.95%
20 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 967,206 39,172,000 0.91%
21 BANK OF AMERICA CORP /DE/ 876,078 35,481,000 0.82%
22 WELLS FARGO & COMPANY/MN 847,168 34,310,000 0.79%
23 BlackRock Group LTD 761,363 30,836,000 0.71%
24 GEODE CAPITAL MANAGEMENT, LLC 760,951 30,802,000 0.71%
25 DEUTSCHE BANK AG\ 758,626 30,721,000 0.71%
26 GOLDMAN SACHS GROUP INC 677,323 27,432,000 0.63%
27 DOWLING & YAHNKE LLC 676,339 27,392,000 0.63%
28 Invesco Ltd. 654,875 26,523,000 0.61%
29 ALTRINSIC GLOBAL ADVISORS LLC 617,886 25,024,000 0.58%
30 SUSQUEHANNA INTERNATIONAL GROUP, LLP 572,500 23,186,000 0.54% Put
31 Bank of New York Mellon Corp 565,171 22,890,000 0.53%
32 AMERICAN CENTURY COMPANIES INC 559,818 22,673,000 0.52%
33 Mitsubishi UFJ Trust & Banking Corp 558,782 22,631,000 0.52%
34 NORTHERN TRUST CORP 549,914 22,271,000 0.52%
35 RAYMOND JAMES & ASSOCIATES 513,383 20,792,000 0.48%
36 SECTORAL ASSET MANAGEMENT INC 433,300 17,549,000 0.41%
37 WELLINGTON MANAGEMENT GROUP LLP 427,109 17,298,000 0.40%
38 NEW YORK STATE COMMON RETIREMENT FUND 411,458 16,664,000 0.39%
39 AQR CAPITAL MANAGEMENT LLC 393,235 15,926,000 0.37%
40 CREDIT SUISSE AG/ 377,278 15,279,000 0.35%
41 AXA S.A. 367,016 14,864,000 0.34%
42 SUSQUEHANNA INTERNATIONAL GROUP, LLP 366,258 14,834,000 0.34%
43 TIAA CREF INVESTMENT MANAGEMENT LLC 363,996 14,742,000 0.34%
44 Artal Group S.A. 350,000 14,175,000 0.33%
45 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 335,242 13,578,000 0.31%
46 CHARTWELL INVESTMENT PARTNERS, LLC 327,220 13,252,000 0.31%
47 Sumitomo Mitsui Trust Group, Inc. 324,858 13,157,000 0.30%
48 WILLIAM HARRIS INVESTORS INC 324,462 13,141,000 0.30%
49 BLUE JAY CAPITAL MANAGEMENT, LLC 318,490 12,899,000 0.30%
50 Swiss National Bank 312,100 12,114,000 0.28%
Page 1 of 7

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.