On the Record · CoreWeave
CoreWeave acquisitions, on the record
The businesses CoreWeave bought and sold, as its annual reports describe them, with the cash it reported paying for acquisitions each year and every deal filing since 2016.
Deals its annual reports describe
| Business | Deal | When | Value |
|---|---|---|---|
MarimoWord for word“In October 2025, we also acquired Marimo, creator of the marimo notebook, an open-source, AI-native environment, to unify the generative AI development workflow and enable faster, smarter AI development.” 10-K for 2025 | acquisition | October 2025 | — |
OpenPipeWord for word“And in September 2025, we acquired OpenPipe, a leading platform for training AI agents with RL.” 10-K for 2025 | acquisition | September 2025 | — |
MonolithWord for word“To meet the specialized needs of industrial customers, in November 2025 we acquired Monolith, which provides a full-stack platform for enterprises that want to accelerate industrial innovation in the physical world through simulation and machine learning capabilities.” 10-K for 2025 | acquisition | November 2025 | — |
Weights & BiasesWord for word“With Weights & Biases (acquired by CoreWeave in 2025), we provide a comprehensive, proven AI development platform and cutting-edge tools for AI development—including model pre-training (W&B Models), post-training (W&B Training), model serving (W&B Inference), and agent evaluation and monitoring (W&B Weave).” 10-K for 2025 | acquisition | 2025 | — |
| Fiscal year ended | Cash paid for acquisitions (net of cash acquired) | Goodwill from acquisitions |
|---|---|---|
| 2023-12-31 | $0 | — |
| 2024-12-31 | $0 | $20 million |
| 2025-12-31 | $108 million | $1.08 billion |
Deal filings since 2016
- 2026-09-22 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2026-08-10 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2026-06-18 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2026-05-18 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2026-04-21 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2026-04-14 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2026-03-31 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2026-01-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-12-11 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-10-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-09-30 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-09-25 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-09-15 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-07-31 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-07-28 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-07-07 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-05-28 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
- 2025-05-06 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
Read from CoreWeave’s annual reports (10-K for 2025) and the financial data it files with the SEC, as of 2026-03-02. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.