Daily Funding Roundup:
May 4, 2026
Top-heavy and tense. Sierra raised $950M at $15.8B, tripling its valuation in 18 months. Reserv took $125M Series C from KKR for AI insurance claims. DeepInfra raised $107M for dedicated inference. Project Freedom launched at dawn in the Strait of Hormuz and an oil tanker was hit within hours. Cerebras filed its IPO at $26.6B. Anthropic's $900B board decision is targeted for late May.
Rounds
Bret Taylor's Sierra raised $950M at a $15.8B post-money valuation co-led by Tiger Global and GV, with Benchmark, Sequoia, and Greenoaks following on. The agentic AI platform serves 40%+ of the Fortune 50 and crossed $150M ARR in early 2026, with billions of interactions processed annually across customer support, claims, fundraising, and mortgage refinancing. The trajectory: $1B (Feb 2024) to $4.5B (Oct 2024) to $10B (Sep 2025) to $15.8B today, a 15x valuation expansion in 18 months. Sierra used the round to telegraph an expansion beyond customer support into enterprise agent infrastructure, including the Ghostwriter agent-as-a-service tool launched in April.
AI-native property and casualty insurance claims TPA Reserv raised $125M Series C led by KKR, with Bain Capital Ventures and Flourish Ventures following on. The company crossed $100M ARR with 500+ claims adjusters and roughly 200 insurer, MGA, and broker clients. Flagship product Reserv Glance now processes 500K complex claims per year and is targeting 30M in four years. Founded 2022 in NYC by CJ Przybyl (CEO) and Martha Dreiling (COO). Total raised: $196M.
Palo Alto AI inference cloud DeepInfra raised $107M Series B led by 500 Global, with strategic checks from Nvidia, Samsung Next, and Supermicro, plus venture investors A.Capital, Crescent Cove, Felicis, Peak6, and Upper90. The company runs its own hardware across eight US data centers and supports 190+ open-weight models, processing roughly 5 trillion tokens per week (up 25x since the $18M Series A in April 2025). The strategic shape (chip vendors, datacenter vendors, OS-vendor capital all on cap table) is the loudest signal yet that dedicated inference is a separate enterprise category from the hyperscaler model marketplaces.
News & Signals
Project Freedom launches at dawn, oil tanker hit within hours
Two US Navy guided-missile destroyers transited the Strait of Hormuz into the Persian Gulf at dawn local time, escorting two US-flagged merchant ships out under Trump's Sunday order. An oil tanker was hit by projectiles within hours of the operation's start, and Iran claimed missile launches at a US destroyer. CENTCOM force package: roughly 15,000 personnel, 100+ aircraft, and multi-domain unmanned platforms. The operation was paused the next day. Brent spiked again on the headlines; defense and maritime sensing portfolios got Monday-morning attention.
Cerebras files amended S-1 at $26.6B, pricing 28M shares at $115-$125
Cerebras filed an amended S-1 for its Nasdaq IPO (ticker CBRS), pricing 28 million Class A shares at $115-$125 for a raise up to $3.5B at roughly $26.6B valuation. That compares to the $23B February 2026 AMD-backed venture round. 2025 revenue was $510M (+76% YoY) with Q4 net income of $87.9M. The multi-year OpenAI deal for up to 750 MW of compute through 2028 is valued above $20B. Demand is reported as 20x oversubscribed, prompting indications to bump the range to $125-$135.
Dow drops 557 on Hormuz tape; S&P slips from Friday's record
The Dow fell 557 points to 48,941.90 (-1.1%), the S&P 500 slipped 0.41% to 7,200.75 from Friday's record close at 7,230.12, and the Nasdaq closed at 25,067.80 (-0.19%). Only Energy and Technology sectors closed green; Materials and Industrials led declines. Pinterest reported a beat post-close (sales +18% YoY). The risk-off rotation was almost entirely a Hormuz function: oil up, defense/maritime up, the rest down.
Anthropic board decision on $30-$50B at $900B targeted for late May
By Monday's close, multiple outlets confirmed Anthropic was weighing inbounds at $900B+ valuation in a $30-$50B round expected to close late May. Sequoia, Dragoneer, Altimeter, and Greenoaks are reportedly each writing $2B+ tranches. Closing would vault past OpenAI's $852B post-money. Anthropic's chain of marks now reads $4.1B (May 2023), $18B, $61B, $183B, $350B, and now $900B if the round prints. The X meme of the day: AGI bubble, or AGI compounding?
VC Mood on X
The day captured the bifurcation that has defined 2026 funding. At the top of the market, Sierra's $950M at $15.8B (tripling valuation in 18 months) and DeepInfra's $107M with Nvidia plus Samsung Next plus Supermicro on the cap table both confirmed investors are still writing oversized checks to category-defining agentic-AI and inference plays. Cerebras's amended S-1 indicating 20x oversubscribed demand at $26.6B (with talk of revising up to $27B+) reinforced the message: tier-one AI hardware and infrastructure assets are not softening. Anthropic's $900B leak made the rounds again, framed as the natural next step in a chain that ran $4.1B to $18B to $61B to $183B to $350B to $900B-if-it-prints.
Underneath that headline tape, the broader environment was distinctly less euphoric. Project Freedom's Monday-morning launch, Iranian missile claims, the oil tanker strike, and a Dow down 557 made it impossible to feel unambiguously risk-on. Materials and Industrials sold off hardest; only Energy benefited from the Brent spike. The Qubit Capital weekly seed roundup showed just $72M across four US seed deals for the week, with three of four agentic-AI and everything else apparently struggling to clear tier-one bars.
The takeaway from the day: capital is concentrating aggressively into AI agents, AI inference, AI chips, and the small subset of insurance and fintech players (Reserv today, Corgi expected later this week) using AI as the wedge. Climate hardware is still raising in slower, more deliberate increments. Everyone else is fighting harder for term sheets, and a Hormuz-flavored macro tape does not help.
Rounds and signals sourced from SEC filings, press releases, and verified news reports. All amounts in USD unless noted. Reporting reflects information available at time of publication.