Week of September 10 – September 16, 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. The IPO calendar stole the spotlight: Anthropic is reportedly targeting an October Nasdaq listing north of $2 trillion, while OpenAI pushed its own debut into 2027 as it weighs a fresh round near $1.5 trillion. On the private-round side, Temporal raised a $550M Series E at a $12.55B valuation — a roughly 132% split-adjusted step-up. Public names were mixed, with SpaceX firming and Cerebras easing back. The Prime Unicorn 30 Index is −0.4% week over week.
Primary Rounds & Filings
- Temporal Technologies, Inc.*: Series E — $550M at a $12.55B * (+131.9%)
- DataRobot, Inc.*: Series EI authorized 9/10/26 (−69.6%)
Secondary Transactions
- PsiQuantum, Inc.*: $30.00 (−31.8%)
- Discord, Inc.: $32.00 (−4.5%)
- Shield AI, Inc.: $170.00 (+10.6%)
- Ayar Labs, Inc.*: $81.00 (+30.6%)
- Rippling: $47.61 (−17.9%)
- Lightmatter, Inc.*: $83.50 (−29.8%)
Public Components
- Cerebras (CBRS): −2.9% to $190.47
- SpaceX (SPCX): +2.3% to $150.88
- Fervo Energy (FRVO)*: −10.7% to $15.40
- Freenome Holdings, Inc. (FRNM)*: −6.5% to $14.73
- EquipmentShare (EQPT)*: −6.2% to $17.58
- Ethos (LIFE)*: −2.9% to $38.55
- Hawkeye 360 (HAWK)*: −1.7% to $16.17
- Generate Biomedicines (GENB)*: +1.0% to $15.68
Notable News
- OpenAI pushed its IPO into 2027 and is weighing a fresh financing round at roughly a $1.5 trillion valuation.
- Anthropic plans to list on Nasdaq in October at a targeted valuation north of $2 trillion.
- Motive withdrew its IPO filing after securing more than $1.3 billion in growth financing from General Catalyst.
- Baseten acquired Blaxel to build out its AI-agent infrastructure.
Index Performance
The Prime Unicorn 30 Index closed at 308.61 on Sep 16, down 0.4% vs 309.76 on Sep 9.
*These companies are components of the Prime Unicorn Composite Index, but are not included in the Prime Unicorn 30 Index.