IONS institutional holders

IONIS PHARMACEUTICALS INC COM · 13F, 2026Q2

Managers holding513
Shares held179,752,611
Reported value$14.3bn
Quarter flows67 new, 201 added, 160 trimmed, 50 exited

Top 25 holders

ManagerSharesValue% of manager's 13F
FMR LLC24,631,956$2.0bn0.1%
Capital World Investors21,669,226$1.7bn0.2%
BlackRock, Inc.10,704,660$848.8m0.0%
VANGUARD PORTFOLIO MANAGEMENT LLC7,859,529$623.2m0.0%
WELLINGTON MANAGEMENT GROUP LLP7,651,415$606.7m0.1%
VANGUARD CAPITAL MANAGEMENT LLC7,211,497$571.8m0.0%
TWO SIGMA INVESTMENTS, LP6,252,342$495.7m0.4%
ROYAL BANK OF CANADA6,182,479$490.2m0.1%
STATE STREET CORP4,334,848$343.7m0.0%
T. Rowe Price Investment Management, Inc.3,959,372$313.9m0.2%
GEODE CAPITAL MANAGEMENT, LLC3,584,024$294.8m0.0%
PRICE T ROWE ASSOCIATES INC /MD/3,184,500$252.5m0.0%
JPMORGAN CHASE & CO2,671,717$216.2m0.0%
Artisan Partners Limited Partnership2,640,024$209.3m0.3%
Tweedy, Browne Co LLC2,280,311$180.8m13.7%
Deep Track Capital, LP2,200,000$174.4m2.5%
GOLDMAN SACHS GROUP INC2,109,945$167.3m0.0%
BAKER BROS. ADVISORS LP2,047,727$162.4m0.8%
DEERFIELD MANAGEMENT COMPANY, L.P.1,979,669$157.0m1.6%
AMERICAN CENTURY COMPANIES INC1,947,076$154.4m0.1%
FRANKLIN RESOURCES INC1,623,377$128.7m0.0%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,605,054$127.3m0.0%
BARCLAYS PLC1,603,136$127.1m0.0%
Pictet Asset Management Holding SA1,596,998$127.0m0.1%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,454,672$115.3m0.0%

Every holder, line by line, and the full history since 2013: yf.Client().holders("IONS"). IONS price history · All 13F data

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