AI Fund Flows

Microsoft: AI deals, investors and valuation

🇺🇸 United States · Market cap $3.94T · MSFT · listed
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As of Nov 9, 2026, Microsoft has 28 AI deals of $1B+ in this database: it pays $184.3B and receives $305B (net +$120.7B). It ranks #7 of 198 companies by number of deals.

Pays / invests
$184.3B
Receives
$305B
Net
+$120.7B
Deals
28

Value over time

Listed companies: month-end market cap. Private: latest round valuation. Dots are deals.
Valuation history
  • January 2025$3.08T
  • April 2025$2.94T
  • July 2025$3.96T
  • October 2025$3.85T
  • January 2026$3.2T
  • April 2026$3.03T
  • July 2026$3.45T
  • October 2026$3.88T
  • November 2026$3.94T

Receives from

$305B
OpenAI$250B · 82%
Anthropic$30B · 10%
Banche e mercato$25B · 8%

Pays to

$184.3B
🇬🇧 Nscale$43.8B · 24%
🇮🇳 India$20.5B · 11%
🇳🇱 Nebius$17.4B · 9%
OpenAI$13B · 7%
Iren$9.7B · 5%
🇨🇦 Canada$5.4B · 3%
Anthropic$5B · 3%
🇦🇪 G42$1.5B · 1%

Loops it is part of

All Microsoft deals

Nov 5, 2026Cloud & servicescalled offn/a
Microsoft → 🇬🇧 Nscale · option to double Texas not exercised

FT: Microsoft gives up the option that would have more than doubled the Texas contract (tens of billions); the existing contract remains.

Oct 29, 2026Funds & debtclosed$25B
Banche e mercato → Microsoft · 10 bond series, first offering since 2017

Microsoft places $25 billion of bonds in ten series, its first US issue since 2017, as it ramps up data center spending.

Jun 15, 2026Cloud & servicescalled off$3B
Microsoft → 🇬🇧 Nscale · Loughton (UK) project abandoned

Microsoft gives up acting as anchor customer of the Loughton (Essex) site, about $3 billion, due to delays in the power connection. Approximate date.

Apr 27, 2026Cloud & servicesannouncedn/a
OpenAI → Microsoft · revenue share capped through 2030

Azure remains the primary cloud but OpenAI can sell all its products on any cloud; Microsoft's license through 2032 becomes non-exclusive. Microsoft stops paying revenue share, while OpenAI continues paying it through 2030 with a cap.

Apr 23, 2026Investmentannounced$18B
Microsoft → 🇦🇺 Australia · A$25B (~US$18B) by 2029

During Nadella's Sydney visit Microsoft announced A$25B by end-2029 for cloud and AI capacity (+140%), security and skills, tied to an MOU with the Australian government.

Apr 14, 2026Cloud & servicesannouncedn/a
Microsoft → 🇬🇧 Nscale · more than 30,000 Vera Rubin GPUs from 2027

After OpenAI's exit, Microsoft takes the capacity at Nscale's Narvik site, with more than 30,000 Nvidia Vera Rubin GPUs.

Apr 3, 2026Investmentannounced$10B
Microsoft → 🇯🇵 Microsoft Japan · ≈¥1.6tn (≈$10bn) over 2026-2029

Microsoft will invest $10bn in Japan in 2026-2029 in AI infrastructure, cybersecurity and skills; SoftBank and Sakura Internet will supply GPU compute via Azure.

Mar 24, 2026Investmentclosedn/a
Microsoft → OpenAI · amount not disclosed

Microsoft joins the additional tranche of the round closed at an $852 billion post-money valuation; its contribution was not disclosed.

Mar 24, 2026Chips & hardwarein talks$10B
Microsoft → 🇰🇷 Samsung · Prepayment potentially over $10bn

Samsung is negotiating 3-5 year memory deals with Google and Microsoft; Microsoft's prepayment could exceed $10bn, deducted if purchases fall short.

Mar 15, 2026Cloud & servicesannouncedn/a
Microsoft → 🇬🇧 Nscale · letter of intent for 1.35 GW (Monarch campus, West Virginia)

Nscale takes over the 8 GW Monarch campus and Microsoft signs a letter of intent for 1.35 GW of Vera Rubin compute.

Jan 27, 2026Chips & hardwarereportedn/a
Microsoft → 🇰🇷 SK Hynix · Undisclosed

Korean media report SK Hynix is the sole supplier of HBM3E for Microsoft's Maia 200 AI accelerator.

Dec 9, 2025Investmentannounced$17.5B
Microsoft → 🇮🇳 India · $17.5B over 2026-2029

After meeting Modi, Nadella announced $17.5B in India for 2026-2029, Microsoft's largest in Asia, including a Hyderabad cloud region and sovereign cloud offerings.

Dec 9, 2025Investmentannounced$5.4B
Microsoft → 🇨🇦 Canada · Over C$7.5B new spend in two years (~$5.4B) within C$19B for 2023-2027

Microsoft announced C$19B in Canada for 2023-2027, including over C$7.5B in the next two years to expand Azure regions, plus a five-point sovereignty plan.

Dec 2, 2025Chips & hardwarein talksn/a
Microsoft → Broadcom · talks, undisclosed

The Information: Microsoft is discussing with Broadcom moving the design of its Maia chips, currently handled by Marvell.

Nov 18, 2025Investmentannounced$5B
Microsoft → Anthropic · up to $5 billion

Part of the three-way deal with Nvidia (up to $10 billion, covered elsewhere). Claude comes to Microsoft Foundry and Copilot.

Nov 18, 2025Cloud & servicesannounced$30B
Anthropic → Microsoft · Azure capacity + up to 1 GW

Counterpart to the Nvidia-Microsoft investment: Anthropic commits to buy $30 billion of Azure compute, with additional capacity of up to 1 GW.

Nov 11, 2025Cloud & servicesannounced$10B
Microsoft → 🇵🇹 Start Campus · ~$10B from early 2026; 12,600 GB300s via Nscale (partly within the Microsoft-Nscale deal)

Microsoft will invest about $10B at Start Campus in Sines with Nscale and Nvidia, deploying 12,600 GB300 GPUs at a campus planned for 1.2 GW.

Nov 5, 2025Cloud & servicesannouncedn/a
Microsoft → 🇦🇪 Khazna · capex undisclosed; part of $15.2B UAE plan

Microsoft and G42 add 200 MW of capacity via G42 unit Khazna, part of Microsoft's $15.2B UAE investment through 2029.

Nov 3, 2025Cloud & servicesannounced$9.7B
Microsoft → Iren · 5 years, GB300s in Texas

Five-year AI cloud contract at IREN's Childress campus (Texas).

Nov 3, 2025Cloud & servicesannouncedn/a
Microsoft → Lambda · "multibillion-dollar", tens of thousands of GPUs

Multiyear contract for AI infrastructure with tens of thousands of GPUs (including GB300 NVL72); amount undisclosed.

Oct 28, 2025Cloud & servicesannounced$250B
OpenAI → Microsoft · incremental Azure commitment

In the October 2025 recapitalization OpenAI commits to purchase an additional $250 billion of Azure services; Microsoft loses its right of first refusal on compute.

Oct 28, 2025Investmentclosedn/a
Microsoft → OpenAI · ~27% stake (~$135 billion)

OpenAI becomes a public benefit corporation; Microsoft holds about 27% on a diluted basis (worth ~$135 billion at the time), with IP rights to models and products through 2032.

Oct 15, 2025Cloud & servicesannounced$43.8B
Microsoft → 🇬🇧 Nscale · up to $43.8 billion (Sept 2025-Apr 2026, per S-1)

Orders signed between September 2025 and April 2026 running to 2033 (Texas, Portugal, UK, Norway); initially ~200,000 GB300s for ~$23 billion.

Sep 17, 2025Investmentannounced$30B
Microsoft → 🇬🇧 United Kingdom · £22B (~$30B) over 2025-2028; half capex, includes the Nscale Loughton supercomputer

During Trump's state visit Microsoft pledged £22B (about $30B) in the UK for 2025-2028. Roughly half is capex for AI infrastructure, including the Nscale-built supercomputer at Loughton (23,040 Nvidia GB300 GPUs).

Sep 8, 2025Cloud & servicesannounced$17.4B
Microsoft → 🇳🇱 Nebius · up to $19.4 billion with options, through 2031

GPU capacity from Nebius's data center in Vineland (New Jersey), over 100,000 GB300; up to $19.4 billion with additional services.

Jan 7, 2025Investmentannounced$3B
Microsoft → 🇮🇳 India · $3B over two years

In Bengaluru Satya Nadella announced $3B over two years to expand Azure and AI capacity in India.

Apr 15, 2024Investmentclosed$1.5B
Microsoft → 🇦🇪 G42 · minority stake

Microsoft takes a minority stake in G42; G42 uses Azure for its AI services.

Jan 23, 2023Investmentclosed$13B
Microsoft → OpenAI · cumulative 2019-2023

Microsoft's cumulative investments in OpenAI from 2019 to 2023 (including the multibillion-dollar tranche of January 2023), largely in the form of Azure credits.

Questions and answers

Who are Microsoft's biggest investors and payers?

OpenAI ($250B), Anthropic ($30B), Banche e mercato ($25B).

How much has Microsoft invested or spent on AI deals?

$184.3B across 20 deals, the largest with Nscale.

How much is Microsoft worth?

Market cap: $3.94T (Nov 9, 2026).

Is Microsoft part of a circular deal?

Microsoft → OpenAI → Microsoft ($13B); Amazon → Anthropic → Microsoft → OpenAI → Amazon ($13B); Anthropic → Microsoft → OpenAI → Oracle → Nvidia → Anthropic ($10B).

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