Week of September 3 – September 9, 2026
Quick Summary
Welcome back to This Week in the Index, where we give a brief overview of what happened this week among Prime Unicorn Index components. A firmer, holiday-shortened week saw chip and AI-infrastructure names rebound. In the headlines, OpenAI unveiled its GPT-6 Astra flagship even as a departing Anthropic safety researcher warned the labs are racing toward superintelligence and “gambling with our lives.” On the private-round front, Elise AI filed a Series E Prime, a roughly 47% step-up from its prior round. The Prime Unicorn 30 Index is +0.7% week over week.
Primary Rounds & Filings
- Elise A.I. Technologies Corp.*: Series E Prime authorized 9/9/26 (+46.9% vs Series E)
Secondary Transactions
N/A
Public Components
- Cerebras (CBRS): +6.3% to $196.20
- SpaceX (SPCX): +4.9% to $147.55
- Ethos (LIFE)*: +7.9% to $39.72
- Hawkeye 360 (HAWK)*: −6.8% to $16.45
- EquipmentShare (EQPT)*: +5.3% to $18.75
- Generate Biomedicines (GENB)*: −4.7% to $15.52
- Fervo Energy (FRVO)*: −4.1% to $17.24
- Freenome Holdings, Inc. (FRNM)*: −1.3% to $15.75
Notable News
- Relativity Space had its Terran R rocket added to NASA’s Launch Services II contract.
- Anthropic researcher Jacob Coxon resigned with a public warning that AI companies are “gambling with our lives.”
- PsiQuantum finalized a $100 million CHIPS Act award with the U.S. Department of Commerce.
- OpenAI introduced GPT-6 Astra, its next-generation flagship model.
Index Performance
The Prime Unicorn 30 Index closed at 309.76 on Sep 9, up 0.7% vs 307.51 on Sep 2.
*These companies are components of the Prime Unicorn Composite Index, but are not included in the Prime Unicorn 30 Index.