Ionis Pharmaceuticals, Inc.

NasdaqGS:IONS Stock Report

Market Cap: US$5.6b

Ionis Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:IONS Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
03 May 24SellUS$256,277Joseph KleinIndividual6,000US$42.98
16 Feb 24SellUS$17,219Brett MoniaIndividual387US$44.49
02 Feb 24SellUS$93,337C. BennettIndividual1,885US$49.52
02 Feb 24SellUS$99,836Richard GearyIndividual1,995US$50.04
02 Feb 24SellUS$107,105Elizabeth HougenIndividual2,162US$49.54
02 Feb 24SellUS$99,099Patrick O'NeilIndividual1,995US$49.67
02 Feb 24SellUS$107,240Onaiza Cadoret-ManierIndividual2,162US$49.60
02 Feb 24SellUS$1,180,348Brett MoniaIndividual23,907US$49.37
02 Feb 24SellUS$104,437Eugene SchneiderIndividual2,106US$49.59
02 Feb 24SellUS$656,345Eric SwayzeIndividual12,713US$52.00
25 Jan 24SellUS$333,788Patrick O'NeilIndividual6,450US$51.75
25 Jan 24SellUS$118,249Brett MoniaIndividual2,285US$51.75

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of IONS?
Owner TypeNumber of SharesOwnership Percentage
State or Government68,3630.043%
Individual Insiders1,178,9670.741%
Institutions157,791,53699.2%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 10.1%.

Top Shareholders

Top 25 shareholders own 79.35% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
14.2%
FMR LLC
22,477,658US$795.0m2.66%0.04%
11.6%
T. Rowe Price Group, Inc.
18,378,288US$650.0m10.9%0.05%
9.54%
The Vanguard Group, Inc.
15,055,758US$532.5m8.74%0.01%
6.85%
BlackRock, Inc.
10,813,023US$382.5m4.77%0.01%
5.53%
Wellington Management Group LLP
8,735,787US$309.0m33%0.05%
4.97%
Bellevue Asset Management AG
7,850,000US$277.7m-4.97%3.14%
4.96%
Capital Research and Management Company
7,828,372US$276.9m248%0.01%
3.07%
State Street Global Advisors, Inc.
4,850,137US$171.5m15.7%0.01%
2.19%
Tweedy, Browne Company LLC
3,454,676US$122.2m0%1.67%
1.69%
Geode Capital Management, LLC
2,668,358US$94.4m7.4%0.01%
1.47%
OrbiMed Advisors LLC
2,324,447US$82.2m-2.02%1.08%
1.42%
Artisan Partners Limited Partnership
2,240,455US$79.2m34.1%0.06%
1.39%
Deep Track Capital, LP
2,200,000US$77.8m10%2.25%
1.22%
Marshall Wace LLP
1,920,464US$67.9m1,010%0.09%
1.18%
Macquarie Investment Management Business Trust
1,869,806US$66.1m-0.21%0.07%
1.08%
ClearBridge Investments, LLC
1,702,393US$60.2m-21.2%0.04%
0.92%
BVF Partners L.P.
1,451,879US$51.4m-54.4%1.43%
0.91%
Charles Schwab Investment Management, Inc.
1,443,020US$51.0m8.65%0.01%
0.88%
ARK Investment Management LLC
1,384,269US$49.0m1.71%0.35%
0.84%
Two Sigma Advisers, LP
1,332,411US$47.1m3.52%0.1%
0.83%
Pictet Asset Management Limited
1,303,501US$46.1m-45.9%0.04%
0.69%
TD Asset Management, Inc.
1,092,990US$38.7m14.7%0.03%
0.65%
Norges Bank Investment Management
1,019,341US$36.1m0%no data
0.6%
Candriam, Société En Commandite Par Actions
948,266US$33.5m0%0.09%
0.6%
Morgan Stanley, Investment Banking and Brokerage Investments
945,049US$33.4m44.2%no data