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. 3,808,144 $249,128,780 -23% 6.95%
2. 2,402,065 $157,143,093 +61% 0.02%
3.
Two Sigma Advisors

John Overdeck And David Siegel

2,073,111 $135,622,922 -23% 0.27%
4.
Weiss Asset ManagementNOTE 4/0

Andrew Weiss

107,295,000 $132,166,852 +41% 1.6%
5.
Deerfield Management

James E. Flynn

1,979,669 $129,509,946 1.98%
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
$81.23 7,429 $603,485.90 36,035 2025-12-01 Filing
$80.67 20,571 $1,659,361.77 43,464 2025-12-01 Filing
$80.00 4,000 $320,000.00 0 2025-11-25 Filing
$80.00 4,000 $320,000.00 0 2025-11-25 Filing
$80.00 4,000 $320,000.00 0 2025-11-25 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 23,689,038 $1,549,736,866 0.08%
2. 16,481,730 $1,078,234,776 0.02%
3. 12,722,728 $832,320,866 0.11%
4. 10,447,940 $683,504,235 0.01%
5. 6,588,811 $431,040,015 0.08%
News See All