Six tracked deals, $1.6B disclosed. Castelion's $800M Series C at a $13B valuation is the clear centerpiece — JPMorganChase's Strategic Investment Group, Andreessen Horowitz, and Carlyle co-leading a defense hypersonics bet at a scale we rarely see outside AI. Higgsfield's $400M Series B at $5.4B (DST Global) is the week's AI signal, though the round size-to-valuation ratio suggests late-stage momentum pricing. Muon Space ($250M Series C, $1.5B, Eclipse Capital) gives space-tech a second strong data point. Rillet crossed $1B unicorn on a $100M Series C led by ICONIQ — fintech accounting automation continues to compound. Frontieras ($45M, energy) and Rundoo ($30M Series B, retail) round out the tape. Notable: no seed or Series A deals surfaced in the tracked window — deal flow skewed heavily late-stage.
Disclosed round capital in the window. Undisclosed amounts count as zero.
Disclosed rounds in the window · every bar opens the company's live page.
Six tracked deals, $1.6B disclosed. Castelion's $800M Series C at a $13B valuation is the clear centerpiece — JPMorganChase's Strategic Investment Group, Andreessen Horowitz, and Carlyle co-leading a defense hypersonics bet at a scale we rarely see outside AI. Higgsfield's $400M Series B at $5.4B (DST Global) is the week's AI signal, though the round size-to-valuation ratio suggests late-stage momentum pricing. Muon Space ($250M Series C, $1.5B, Eclipse Capital) gives space-tech a second strong data point. Rillet crossed $1B unicorn on a $100M Series C led by ICONIQ — fintech accounting automation continues to compound. Frontieras ($45M, energy) and Rundoo ($30M Series B, retail) round out the tape. Notable: no seed or Series A deals surfaced in the tracked window — deal flow skewed heavily late-stage.
| Date | Company | Round | Amount | Valuation | Lead | Sector |
|---|---|---|---|---|---|---|
| 2026-08-20 | Muon Space | Series C | $250M | $1.5B | Eclipse Capital | Space |
| 2026-08-20 | Frontieras | Series Unknown | $45M | — | — | Energy |
| 2026-08-19 | Castelion | Series C | $800M | $13B | JPMorganChase's Strategic Investment Group, Andreessen Horowitz & Carlyle | Defense |
| 2026-08-19 | Rundoo | Series B | $30M | — | — | Retail |
| 2026-08-18 | Rillet | Series C | $100M | $1.0B | ICONIQ | Fintech |
| 2026-08-17 | Higgsfield | Series B | $400M | $5.4B | DST Global | AI |
Where the window's activity sits on the funding ladder: deal count (solid) against disclosed capital (faded) per stage, with the companies behind each cluster. Stages come from the reported round labels; undisclosed amounts count as zero capital.
Team8 raised $365M for AI-native enterprise, Crestline secured $625M for European investments, and Makers Fund closed Fund IV at $250M (AUM now $1.5B). Apis & Heritage deployed a $250M fund focused on employee-ownership models. Most-active leads this week were co-lead syndicates rather than repeat investors — JPMorganChase SIG, a16z, and Carlyle on Castelion is a bank-strategic-plus-mega-fund-plus-PE combination that signals institutional capital stacking into defense. Bill Ackman's Pershing Square portfolio overhaul made headlines but specifics on private-market exposure are thin from available data.
| Lead Investor | Deals | Disclosed Capital |
|---|---|---|
| JPMorganChase's Strategic Investment Group, Andreessen Horowitz & Carlyle | 1 | $800M |
| DST Global | 1 | $400M |
| Eclipse Capital | 1 | $250M |
| ICONIQ | 1 | $100M |
The Poolside AI story is messy across sources. Headlines range from a $1B acquisition (StartupHub.ai) to a $6B licensing deal (PYMNTS, Machine Brief) to a $7B licensing-and-investment arrangement (TradingView). The most consistent thread: Nvidia is licensing Poolside's model-development software rather than acquiring the company outright — a talent-and-IP structure that avoids regulatory friction. NVDA stock ended the week 5% lower. Separately, Lattice acquired performance startup Pando (terms undisclosed), and China reportedly blocked Meta's $2.5B bid for AI startup Manus — a regulatory signal for cross-border AI deals.
Funding headlines from outside the tracked book — sourced links, not QL data.
The largest recent private rounds ($100M+) across the tracked book — 1902 ranked. Full board: quantlogix.ai/mega-rounds.
The Silicon Valley Private Market Daily — the 8pm PT desk close: qualified raises, roster re-rates and sector velocity from the QL private-market pipeline.
The private market remains heavily concentrated in AI infrastructure, space-tech, and sustainable mobility. Despite volatility in public semiconductor stocks (notably Intel and AMD), venture capital continues to commit high-dollar amounts to 'mega-rounds' in AI applications and hardware-intensive startups, suggesting a decoupling between short-term public market sentiment and long-term private capital allocation strategy.
🗂️ Dataset updated: added 1 company to the QuantLogix private-companies list — River — 2,160 → 2,161. Append-only.
100 tracked names flagged for markdown risk — 120 scored nightly, 2032 left unscored (no comp bridge). Down rounds are recorded in the open ledger — receipts only work in public. Live boards: markdown-watch · down-round-ledger.
| # | Company | Sector | Risk Score | Band | Vs Comps | Last Mark | Last Round |
|---|---|---|---|---|---|---|---|
| 1 | Linktree | SaaS | 86 | High | +495% | $1.3B | 53 mo ago |
| 2 | Replit | Data / Infra | 86 | High | +217% | $9.0B | 40 mo ago |
| 3 | Xendit | Financial Services | 80 | High | +1647% | $2.7B | 51 mo ago |
| 4 | Forter | Fintech | 80 | High | +843% | $3.0B | 63 mo ago |
| 5 | Greenlight | Fintech | 80 | High | +532% | $2.3B | 65 mo ago |
| 6 | Betterment | Fintech | 80 | High | +373% | $1.1B | 41 mo ago |
| 7 | BetterUp | SaaS | 80 | High | +274% | $4.7B | 58 mo ago |
| 8 | Cross River Bank | fintech | 80 | High | +180% | $3.0B | 53 mo ago |
Nightly score: comp-bridge premium (45%) · round staleness (30%) · IPO-readiness drag (15%) · funding deceleration (10%). Companies without a computable public-comp bridge stay unscored — never guessed.
16 markdowns detected all-time · 4 flagged beforehand · 12 missed · hit rate 25%
| Company | Detected | Event | Mark | Called? |
|---|---|---|---|---|
| Wonder | 2026-08-17 | Mark cut −16.2% | $9.0B → $7.5B | ✗ Missed |
| Asimov | 2026-08-17 | Mark cut −18.7% | $1.2B → $1.0B | ✗ Missed |
| Harvey | 2026-08-17 | Mark cut −29.0% | $16B → $11B | ✗ Missed |
| Column | 2026-08-17 | Mark cut −41.7% | $10B → $6.0B | ✓ Flagged #41 · Elevated |
| Plaid | 2026-08-10 | Mark cut −23.8% | $8.0B → $6.1B | ✓ Flagged #26 · Elevated |
| Clay | 2026-08-10 | Mark cut −38.0% | $5.0B → $3.1B | ✗ Missed |
| Blockchain.com | 2026-08-10 | Mark cut −50.0% | $14B → $7.0B | ✗ Missed |
| Quantum Systems | 2026-08-10 | Mark cut −59.3% | $8.0B → $3.3B | ✓ Flagged #30 · Elevated |
Down-round & valuation headlines scraped at publication from Google News, Hacker News, CNBC, Yahoo Finance and the wider tech press.
Castelion's $800M at $13B shows defense-tech can now command AI-tier valuations. Bank strategics plus tier-1 VCs plus PE in one syndicate is a new template. Founders in dual-use should price accordingly.
Nvidia-Poolside suggests large acquirers may prefer licensing IP and talent over full M&A — faster, less regulatory risk. Structure your commercial agreements with optionality in mind.
Harvey cut 29%, Asimov 18.7%, Wonder 16.2%. Linktree, Replit, and Xendit sit on the high-risk watch board. Late-stage founders should model down-round scenarios before raising at peak comps.
Late-stage concentration persists — no tracked seed or Series A deals this week. Defense and AI infrastructure are absorbing the largest checks while markdowns spread into AI-adjacent names. Devoted Health reportedly raising at $25B and Form Energy's $750M Series G suggest healthcare and energy storage may be next sectors to absorb mega-rounds. Watch for Poolside deal-structure clarity and whether