Ionis Pharmaceuticals Inc (IONS)

Market is closed

Hedge Fund Popularity

13F filing is ongoing

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1.
Two Sigma Advisors

John Overdeck And David Siegel

5,857,629 $439,849,362 +92% 0.35%
2.
Baker Bros. Advisors

Julian Baker And Felix Baker

2,047,727 $153,763,820 +15% 0.88%
3.
Deerfield Management

James E. Flynn

1,979,669 $148,653,345 1.75%
4. 1,950,000 $146,425,500 +15% 2.39%
5.
Deerfield ManagementNOTE 1.750% 6/1

James E. Flynn

60,000,000 $90,613,860 1.07%
Insider Trading: Purchases See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$31.86 15,000 $477,900.00 50,219 2025-05-01 Filing
$36.23 2,500 $90,583.00 35,219 2024-12-23 Filing
$36.20 2,500 $90,495.75 32,719 2024-12-23 Filing
Insider Trading: Sales See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$74.05 19,842 $1,469,306.05 22,458 2026-06-12 Filing
$73.09 41,004 $2,997,121.77 42,300 2026-06-12 Filing
$73.49 8,000 $587,920.00 156,013 2026-06-15 Filing
$75.67 8,000 $605,360.00 156,013 2026-06-01 Filing
$78.68 3,220 $253,347.35 242,662 2026-05-14 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 24,556,637 $1,843,957,873 0.1%
2. 21,186,369 $1,590,884,448 0.22%
3. 10,442,476 $784,125,524 0.01%
4. 7,808,902 $586,370,451 0.03%
5. 7,118,330 $534,515,400 0.01%
News See All