Institutional Ownership
Ionis Pharmaceuticals Inc
CUSIP 462222100COMIONSQ1 2026
Institutional Holders
483
13F filers
Shares Held
156.11M
Aggregate institutional
Institutional Value
$10.88B
Q1 2026
Net New Holders
-2
63 new · 65 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions63
Increased178
Decreased155
Sold out65
Institutional Holders
483 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Fmr LLC | 24.56M | $1.84B | +484.5K | Added |
| 2 | Capital World Investors | 21.19M | $1.59B | +3.23M | Added |
| 3 | Blackrock, Inc. | 10.44M | $784.13M | −205.4K | Reduced |
| 4 | Wellington Management Group LLP | 6.39M | $479.96M | +131.5K | Added |
| 5 | Two Sigma Investments, LP | 5.86M | $439.85M | +3.20M | Added |
| 6 | Geode Capital Management, LLC | 3.98M | $305.20M | +835.5K | Added |
| 7 | State Street Corp | 4.00M | $300.03M | +20.7K | Added |
| 8 | Royal Bank Of Canada | 3.80M | $285.48M | +2.68M | Added |
| 9 | Jpmorgan Chase & Co | 2.36M | $171.41M | +58.8K | Added |
| 10 | Tweedy, Browne Co LLC | 2.28M | $170.88M | −189.3K | Reduced |
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