Week of January 29 – February 4, 2026
Quick Summary
Welcome back to This Week in the Index, where we’ll give a brief overview of what happened this week among Prime Unicorn Index components. M&A and IPOs dominated headlines, secondaries moved sharply, and public components sold off. The Prime Unicorn 30 Index is +1.8% vs Jan 28.
Primary Rounds & Filings
- SpaceX acquired xAI.
- Chronosphere*: acquired by Palo Alto Networks.
- Ethos* (LIFE): IPO at $19.00 (+22%).
- Eikon Therapeutics* (EIKN): IPO at $18.00 (+208%).
Secondary Transactions
- Cerebras Systems: $98.00 (+10.1%).
- Discord: $300.00 (+3.8%).
- Tanium*: $4.00 (−20.0%).
- Lightmatter*: $54.50 (−0.9% ).
Public Components
- Figma (FIG): −25.1% to $22.51
- Via Transportation* (VIA): −15.5% to $21.31
- Netskope* (NTSK): −18.6% to $13.11
- Navan* (NAVN): −18.5% to $11.06
- BillionToOne* (BLLN): −3.0% to $83.51
- EquipmentShare* (EQPT): −1.2% to $34.21
- Ethos* (LIFE): −30.8% to $13.15 (vs $19.00 IPO)
Notable News
- xAI acquisition values SpaceX at >$1T.
- Anthropic released Claude Opus 4.6.
- Nvidia, Microsoft, and Amazon in talks to invest up to $60B in OpenAI.
- SpaceX exploring a Starlink phone.
Index Performance
The Prime Unicorn 30 Index closed at 222.43 on Feb 4, up 1.8% vs 218.60 on Jan 28.

*These companies are components of the Prime Unicorn Composite Index, but are not included in the Prime Unicorn 30 Index.