Rounds

Funding rounds, debt and IPOs

How AI companies raise money. Each event has one page with its amounts, investors and the sentence each number comes from.

DateEventTypeAmountPost-moneyLeadsStatus
Sep 8, 2026Mistral AI Series DMistral AIEquity round€3BSeries D equitymore than €21BSamsung Electronics, Scaleup Europe Fund, PSG EquityClosed Mistral AI ↗
Aug 17, 2026NVIDIA invests in SB EnergySB EnergyStrategic investment$3BNVIDIA investment in totalNot tracked yetNot tracked yetSigned S-1 ↗
May 28, 2026Anthropic Series HAnthropicEquity round$65BSeries H equity$965BAltimeter Capital, Dragoneer, Greenoaks, Sequoia Capital, Capital Group, Coatue, D1 Capital Partners, GIC, ICONIQ, XNClosed Anthropic ↗
Apr 20, 2026Anthropic and Amazon compute agreement and investmentAnthropicCompute commitment, Strategic investment$5BAmazon investmentcounted in a later eventNot tracked yetNot tracked yetAnnounced Anthropic ↗
Mar 31, 2026OpenAI funding round (March 2026)OpenAIEquity round, Debt financing$122BCommitted capital$852BSoftBank Group, a16z, D. E. Shaw Ventures, MGX, TPG, T. Rowe PriceClosed OpenAI ↗
Feb 27, 2026OpenAI investment from SoftBank, NVIDIA and Amazon (February 2026)OpenAIEquity round, Strategic investment$110BNew investmentcounted in a later eventNot tracked yetNot tracked yetAnnounced OpenAI ↗
Feb 12, 2026Anthropic Series GAnthropicEquity round$30BSeries G equity$380BGIC, Coatue, D. E. Shaw Ventures, Dragoneer, Founders Fund, ICONIQ, MGXClosed Anthropic ↗
Jan 6, 2026xAI Series ExAIEquity round$20BSeries E equityNot tracked yetNot tracked yetClosed xAI ↗
Nov 18, 2025Microsoft, NVIDIA and Anthropic strategic partnershipsAnthropicCompute commitment, Strategic investmentup to $10BNVIDIA investment commitmentNot tracked yetNot tracked yetAnnounced Anthropic ↗
Sep 22, 2025OpenAI and NVIDIA systems partnership (letter of intent)OpenAIChip supply, Strategic investmentup to $100BNVIDIA intended investmentNot tracked yetNot tracked yetAnnounced OpenAI ↗
Sep 9, 2025Mistral AI Series CMistral AIEquity round€1.7BSeries C equity€11.7BASMLClosed Mistral AI ↗
Sep 2, 2025Anthropic Series FAnthropicEquity round$13BSeries F equity$183BICONIQ, Fidelity, LightspeedClosed Anthropic ↗
Mar 31, 2025OpenAI funding round (March 2025)OpenAIEquity round$40BNew funding$300BNot tracked yetAnnounced OpenAI ↗
Mar 3, 2025Anthropic Series EAnthropicEquity round$3.5BSeries E equity$61.5BLightspeedClosed Anthropic ↗
Dec 23, 2024xAI Series CxAIEquity round$6BSeries C equityNot tracked yetNot tracked yetClosed xAI ↗
Oct 2, 2024OpenAI funding round (October 2024)OpenAIEquity round$6.6BNew funding$157BNot tracked yetClosed OpenAI ↗
May 26, 2024xAI Series BxAIEquity round$6BSeries B equityNot tracked yetNot tracked yetAnnounced xAI ↗

Amounts keep their own type: equity, debt, IPO proceeds and Form D amounts are never added together. Money that a later round already counts is marked on the event page. Method →

Mergers and acquisitions

  1. Aug 14, 2026M&ASpaceX acquires CursorSpaceX ↔ Cursor$60BCompleted 8-K ↗
  2. Feb 2, 2026M&ASpaceX completes its acquisition of xAISpaceX ↔ xAINo amount stated in the sourceCompleted 10-Q ↗