IONS

IONIS PHARMACEUTICALS INC

Pharmaceutical PreparationsNasdaqLarge accelerated filer

Total Trades

283

Buys

2

Sells

161

Largest Trade

N/A

Insiders

21

Institutional Funds

410

Inst. Value

$1M+

Activist Filings

23

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Geary Richard SEVPSELL$100K–$500K7K$50.42Jan 18, 2024
BENNETT C FRANKEVPEXERCISEN/A18KJan 18, 2024
BENNETT C FRANKEVPSELL$100K–$500K7K$50.42Jan 18, 2024
Baroldi JosephEVPEXERCISEN/A5KJan 18, 2024
Baroldi JosephEVPSELL$100K–$500K2K$50.42Jan 18, 2024
Schneider EugeneEVPEXERCISE$100K–$500K8K$32.60Jan 18, 2024
Schneider EugeneEVPSELL$100K–$500K8K$53.50Jan 18, 2024
Swayze EricEVP ResearchEXERCISE$1M+27K$47.34Jan 2, 2024
Swayze EricEVP ResearchSELL$1M+27K$50.19Jan 2, 2024
O'NEIL PATRICK R.EVP CLO & General …EXERCISE$500K+21K$47.34Dec 29, 2023
O'NEIL PATRICK R.EVP CLO & General …SELL$1M+21K$51.46Dec 29, 2023
PARSHALL B LYNNEDirectorEXERCISE$1M+118K$47.34Dec 29, 2023
PARSHALL B LYNNEDirectorSELL$1M+118K$50.48Dec 29, 2023
Schneider EugeneEVPSELL$1M+25K$51.46Dec 29, 2023
Schneider EugeneEVPEXERCISE$1M+25K$47.34Dec 29, 2023
BENNETT C FRANKEVPSELL$1M+23K$49.39Dec 23, 2023
BENNETT C FRANKEVPEXERCISE$1M+23K$47.34Dec 23, 2023
Geary Richard SEVPSELL$500K+11K$49.50Dec 23, 2023
Geary Richard SEVPEXERCISE$500K+11K$47.34Dec 23, 2023
Monia Brett PCEOEXERCISE$1M+24K$47.34Dec 23, 2023
Monia Brett PCEOSELL$1M+24K$49.38Dec 23, 2023
KLEIN JOSEPH IIIDirectorSELL$100K–$500K2K$50.00Nov 17, 2023
Swayze EricEVP ResearchSELL$1K–$15K52$47.95Oct 18, 2023
Swayze EricEVP ResearchEXERCISEN/A125Oct 18, 2023
Monia Brett PCEOSELL$100K–$500K4K$46.00Oct 16, 2023
BENNETT C FRANKEVPSELL$100K–$500K4K$46.50Sep 29, 2023
PARSHALL B LYNNEDirectorSELL$100K–$500K10K$45.13Sep 28, 2023
KLEIN JOSEPH IIIDirectorSELL$50K–$100K2K$45.13Sep 28, 2023
Diaz Allene M.DirectorSELL$15K–$50K657$41.05Aug 3, 2023
KLEIN JOSEPH IIIDirectorSELL$100K–$500K4K$42.00Jul 19, 2023
KLEIN JOSEPH IIIDirectorEXERCISEN/A7KJul 19, 2023
Monia Brett PCEOSELL$500K+19K$42.25Jul 11, 2023
O'NEIL PATRICK R.EVP CLO & General …SELL$50K–$100K2K$41.70May 25, 2023
Monia Brett PCEOSELL$100K–$500K5K$40.14May 25, 2023
Birchler BrianEVPEXERCISEN/A2KApr 20, 2023
Birchler BrianEVPSELL$15K–$50K672$36.50Apr 20, 2023
Cadoret-Manier OnaizaEVPSELL$50K–$100K3K$36.50Apr 20, 2023
Cadoret-Manier OnaizaEVPEXERCISEN/A6KApr 20, 2023
Baroldi JosephEVPSELL$100K–$500K4K$36.50Apr 20, 2023
Baroldi JosephEVPEXERCISEN/A11KApr 20, 2023
Swayze EricEVP ResearchGRANTN/A4KFeb 7, 2023
Swayze EricEVP ResearchSELL$50K–$100K2K$40.79Feb 7, 2023
Schneider EugeneEVPSELL$50K–$100K1K$40.67Feb 7, 2023
Schneider EugeneEVPGRANTN/A4KFeb 7, 2023
O'NEIL PATRICK R.EVP CLO & General …GRANTN/A4KFeb 7, 2023
O'NEIL PATRICK R.EVP CLO & General …SELL$50K–$100K2K$40.86Feb 7, 2023
Monia Brett PCEOSELL$1M+25K$40.69Feb 7, 2023
Monia Brett PCEOGRANTN/A49KFeb 7, 2023
HOUGEN ELIZABETH LEVP, Finance & CFOSELL$50K–$100K2K$40.59Feb 7, 2023
HOUGEN ELIZABETH LEVP, Finance & CFOGRANTN/A4KFeb 7, 2023
🔓Seeing ranges? Sign in for exact trade values — free forever

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Capital World Investors

SC 13G/A · Jan 8, 2026

11.1%

18.0M shares

8.3%

13.2M shares

Wellington Management Group LLP

SC 13G/A · Aug 12, 2025

4.3%

6.9M shares

BlackRock, Inc.

SC 13G/A · Apr 17, 2025

5.7%

9.1M shares

Capital World Investors

SC 13G · Feb 13, 2025

7.3%

11.5M shares

10.0%

15.9M shares

The Vanguard Group

SC 13G/A · Jan 8, 2025

10.4%

16.5M shares

BB Biotech AG

SC 13G/A · Nov 15, 2024

5.0%

7 shares

9.0%

14.2M shares

Wellington Management Group LLP

SC 13G · Nov 8, 2024

5.8%

9.1M shares

9.2%

13.2M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

9.9%

14.2M shares

BB Biotech AG

SC 13G/A · Feb 13, 2024

6.0%

8.6M shares

BlackRock, Inc.

SC 13G/A · Jan 26, 2024

6.3%

9.1M shares

The Vanguard Group - 23-1945930

SC 13G/A · Jun 9, 2023

10.1%

14.4M shares

BB Biotech AG

SC 13G/A · Feb 14, 2023

6.8%

9.6M shares

8.2%

11.7M shares

BlackRock, Inc.

SC 13G/A · Jan 31, 2023

6.5%

9.2M shares

3.3%

4.8M shares

10.1%

14.4M shares

8.8%

12.5M shares

BB Biotech AG

SC 13G/A · Feb 11, 2022

7.2%

10.2M shares

BlackRock, Inc.

SC 13G · Feb 1, 2022

6.0%

8.5M shares

View on Google Finance →