Ionis Pharmaceuticals
Venture capital · Carlsbad, California, United States
Portfolio collected from the firm’s website, last checked Jul 26, 2026.Raises and exits come from each company’s own SEC and company records.
4Deep-tech portfolio1 active
3Portfolio exitsAcquired or listed
0Raises, 12 monthsLatest: PTC Therapeutics
6Co-investorsShare a portfolio company
Portfolio · 4 companies
| Company | Sector | Status | Latest raise | Raised |
|---|---|---|---|---|
| Arrowhead Pharmaceuticals | Biotech | Active | — | — |
| PTC Therapeutics | Biotech | Public | May 8, 2023 | $483.4M |
| Akcea Therapeutics | Biotech | Acquired | Jan 4, 2016 | $543.2M |
| Bicycle Therapeutics | Biotech | Public | — | — |
Peer ranks
Portfolio size#108
Portfolio exits#69
Raises, 12 months#88
Co-investors#188
Co-investors
- OrbiMedVenture capital1 shared
- Polaris PartnersVenture capital1 shared
- Royalty PharmaVenture capital1 shared
- Sarepta TherapeuticsVenture capital1 shared
- SV Health InvestorsVenture capital1 shared
- Third Rock VenturesVenture capital1 shared
Sectors
- Biotech4
Portfolios are collected from investors’ own websites and matched to tracked deep-tech companies by name; duplicate listings of the same firm are merged. Exits and raises come from each company’s own record: Form D through the latest filing.