{
 "updated": "2026-11-02",
 "about": "AI for Science（不含药物发现）范围内的收购、团队收购和资产交易，按宣布日期从新到旧；layer 对应 layers.json 的 code。price 只写公司公布的或标「报道称」，未披露不估算。target_in_map = 被买的公司在图谱里。confidence：A = 公司公告或两家独立来源，B = 一家可靠媒体，C = 聚合站或转述。网页版：/acquisitions",
 "deals": [
  {
   "announced": "2026-10-29",
   "closed": "2026-10-29",
   "buyer": "Digital Science",
   "target": "Jenni AI",
   "layer": "d1",
   "layer_name": "文献检索、综述与写作",
   "price": "未披露",
   "price_disclosed": false,
   "after": "Jenni AI（AI 学术写作平台，称 800 万用户）并入 Digital Science，接入 Dimensions 数据库。",
   "confidence": "A",
   "target_in_map": true,
   "src": [
    "https://www.researchinformation.info/news/digital-science-acquires-ai-research-and-writing-platform-jenni-ai/",
    "https://europeantechonheels.com/digital-science-acquires-jenni-ai/"
   ],
   "kind": "收购",
   "note": "新闻稿称 has acquired，closed 按宣布日填。第二个来源是小站，主要依据是 Research Information 与新闻稿（PR Newswire）。"
  },
  {
   "announced": "2026-06-16",
   "closed": "2026-10-29",
   "buyer": "Vaisala",
   "target": "Atmo, Inc.",
   "layer": "p1",
   "layer_name": "天气与气候模型",
   "price": "固定对价 7000 万美元，另有最多 6000 万美元业绩与留任 earn-out（2026–2028）",
   "price_disclosed": true,
   "after": "Atmo（旧金山，AI 天气预报）并入 Vaisala，约 20 人随创始人加入；2026-10-29 公告交割完成。",
   "confidence": "A",
   "target_in_map": true,
   "src": [
    "https://view.news.eu.nasdaq.com/view?id=bb43385089329e62ca88e7b58fa150665&lang=en",
    "https://www.globenewswire.com/de/news-release/2026/10/29/3390949/0/en/vaisala-completes-acquisition-of-ai-weather-company-atmo-inc.html?print=1"
   ],
   "kind": "收购",
   "note": "交割日来自 GlobeNewswire 标题与转载；公告原文称 2025 年 Atmo 销售额 200 万美元。"
  },
  {
   "announced": "2026-05-19",
   "closed": null,
   "buyer": "Mistral AI",
   "target": "Emmi AI",
   "layer": "p2",
   "layer_name": "工程与物理仿真",
   "price": "未披露",
   "price_disclosed": false,
   "after": "Emmi AI（奥地利，工业物理仿真 AI）并入 Mistral AI，做工业方向。",
   "confidence": "B",
   "target_in_map": true,
   "src": [
    "https://www.channelnewsasia.com/business/mistral-ai-buys-austrian-physics-ai-startup-in-industrial-push-6130106"
   ],
   "kind": "收购",
   "note": "Advantage Austria 称据报道为九位数，没有公司公布的价格，按未披露写。11-02 由图谱主会话从卡片调研补入。"
  },
  {
   "announced": "2026-01-27",
   "buyer": "OpenAI",
   "target": "Crixet",
   "layer": "h1",
   "layer_name": "科技大厂产品线",
   "price": "未披露",
   "price_disclosed": false,
   "after": "Crixet（云端 LaTeX 平台）并入 OpenAI，作为科研写作产品 Prism 的底座，同日发布。",
   "confidence": "A",
   "target_in_map": false,
   "src": [
    "https://www.techradar.com/pro/were-still-early-but-its-clear-that-ai-will-play-a-meaningful-role-in-how-science-advances-openai-launches-free-prism-app-for-scientific-research",
    "https://dailytimes.com.pk/1442746/openai-unveils-prism-to-streamline-scientific-research/"
   ],
   "kind": "收购",
   "note": "OpenAI 官方发布页这次没有打开，依据 TechRadar 等多家媒体对同一发布的报道；交割日没查到。"
  },
  {
   "announced": "2025-10-06",
   "closed": "2025-11",
   "buyer": "CoreWeave",
   "target": "Monolith AI",
   "layer": "p2",
   "layer_name": "工程与物理仿真",
   "price": "未披露",
   "price_disclosed": false,
   "after": "Monolith（伦敦，用机器学习做物理与工程测试与仿真）并入 CoreWeave；CoreWeave 10-Q 记 2025 年 11 月已完成收购。",
   "confidence": "A",
   "target_in_map": true,
   "src": [
    "https://secure.businesswire.com/news/home/20251006667017/en/CoreWeave-to-Acquire-Monolith-Expanding-AI-Cloud-Platform-into-Industrial-Innovation",
    "https://content-archive.fast-edgar.com/20251113/AUZ2B22CZ222K2Z2222I22ZZG9MDOZMS9272/R24.htm"
   ],
   "kind": "收购",
   "note": "交割日只写到月（10-Q 子事件披露）。"
  },
  {
   "announced": "2025-05-07",
   "closed": "2025-05-07",
   "buyer": "Litmaps",
   "target": "ResearchRabbit",
   "layer": "d1",
   "layer_name": "文献检索、综述与写作",
   "price": "未披露",
   "price_disclosed": false,
   "after": "ResearchRabbit（美国文献发现工具）并入 Litmaps，合并后用户超 200 万；同时宣布 100 万美元首轮融资。",
   "confidence": "A",
   "target_in_map": true,
   "src": [
    "https://www.scoop.co.nz/stories/print.html?path=BU2505/S00127/nz-startup-litmaps-acquires-us-rival-and-raises-1m-to-accelerate-ai-driven-research-worldwide.htm",
    "https://itbrief.co.nz/story/litmaps-acquires-researchrabbit-raises-1-million-for-ai"
   ],
   "kind": "收购",
   "note": "Litmaps 新闻稿称收购的是 ResearchRabbit 的工具；交割日没有单独披露，closed 按宣布日填。"
  },
  {
   "announced": "2025-04-02",
   "closed": "2025-07-01",
   "buyer": "Siemens",
   "target": "Dotmatics",
   "layer": "d2",
   "layer_name": "科研数据与实验室软件",
   "price": "企业价值 51 亿美元（Siemens 公告）",
   "price_disclosed": true,
   "after": "Dotmatics（波士顿，R&D 数据与 ELN 软件）并入 Siemens Digital Industries Software；原股东 Insight Partners。",
   "confidence": "A",
   "target_in_map": true,
   "src": [
    "https://news.siemens.com/th-th/siemens-dotmatics/",
    "https://news.siemens.com/de-de/dotmatics-closing/"
   ],
   "kind": "收购",
   "note": "Dotmatics 主要服务生命科学研发，公告也强调药物开发，但平台含化学、材料研发软件，作为 d2 标杆收进来。交割日按 Siemens 德文公告 2025-07-01（中国站页面写 Jul 2）。"
  },
  {
   "announced": "2024-07-09",
   "closed": "2024-10-01",
   "buyer": "Certara",
   "target": "Chemaxon",
   "layer": "d2",
   "layer_name": "科研数据与实验室软件",
   "price": "现金 9000 万美元；10-Q 记估计总对价 9640 万美元",
   "price_disclosed": true,
   "after": "Chemaxon（匈牙利，化学信息学软件）并入 Certara，2024-10-01 交割。",
   "confidence": "A",
   "target_in_map": false,
   "src": [
    "https://www.nasdaq.com/press-release/certara-acquire-chemaxon-strengthen-drug-discovery-software-portfolio-2024-07-09",
    "https://www.sec.gov/Archives/edgar/data/1827090/000182709025000048/R11.htm"
   ],
   "kind": "收购",
   "note": "边界案例：化学信息学，买方定位药物发现生物模拟，但 Chemaxon 官方称也服务新材料、农化行业，按任务要求收进来。现金对价来自 Certara 常见问题与 10-Q。"
  },
  {
   "announced": "2024-01-09",
   "closed": "2024-01-09",
   "buyer": "SandboxAQ",
   "target": "Good Chemistry",
   "layer": "c2",
   "layer_name": "化学与材料模拟模型",
   "price": "未披露；WSJ 报道称约 7500 万美元（现金加股票），经 SDxCentral 转述",
   "price_disclosed": false,
   "after": "Good Chemistry（温哥华，量子化学模拟，QEMIST Cloud 与 Tangelo）并入 SandboxAQ，创始人任模拟平台产品负责人。",
   "confidence": "B",
   "target_in_map": false,
   "src": [
    "https://www.sandboxaq.com/post/sandboxaq-transforms-simulation-landscape-with-good-chemistry-acquisition",
    "https://www.sdxcentral.com/news/alphabet-quantum-spinout-sandbox-aq-acquires-good-chemistry/"
   ],
   "kind": "收购",
   "note": "官方只说 has acquired，没有写交割日，closed 按宣布日填；价格只有 WSJ 二手转述。"
  },
  {
   "announced": "2024-01",
   "closed": "2024-03-07",
   "buyer": "Bruker",
   "target": "Chemspeed Technologies",
   "layer": "l2",
   "layer_name": "实验室机器人与自动化设备",
   "price": "未披露",
   "price_disclosed": false,
   "after": "Chemspeed（瑞士，化学与材料自动化工作站）并入 Bruker BioSpin 新自动化部门，保持独立运营；Bruker 披露 Chemspeed 2023 年收入超 5000 万美元。",
   "confidence": "A",
   "target_in_map": true,
   "src": [
    "https://www.nasdaq.com/press-release/bruker-announces-closing-of-chemspeed-technologies-ag-acquisition-2024-03-07",
    "https://www.nasdaq.com/articles/bruker-brkr-to-advance-in-lab-automation-with-new-buyout"
   ],
   "kind": "收购",
   "note": "交割公告说 first announced in January 2024，具体日期这次没有核到，只写到月。"
  },
  {
   "announced": "2023-11",
   "closed": "2023-11-27",
   "buyer": "Research Solutions",
   "target": "scite",
   "layer": "d1",
   "layer_name": "文献检索、综述与写作",
   "price": "首付未披露；earn-out 已定为约 1540 万美元（50% 现金 50% 股票，分 8 个季度付，至 2027-05；后改为约 62% 现金）",
   "price_disclosed": true,
   "after": "scite（纽约，Smart Citations 与 AI 助手）成为 Research Solutions 子公司；收购时年化订阅收入 360 万美元。",
   "confidence": "A",
   "target_in_map": true,
   "src": [
    "https://www.niso.org/niso-io/2023/11/research-solutions-announces-acquisition-scite",
    "https://www.nasdaq.com/press-release/research-solutions-reports-preliminary-fourth-quarter-and-fiscal-year-2025-results"
   ],
   "kind": "收购",
   "note": "新闻稿原页这次没打开（Yahoo 转载 404），FT 数据页记交割 2023-11-27，所以宣布日写到月。金额来自 Research Solutions 2025-08 财报稿。"
  },
  {
   "announced": "2023-10-25",
   "buyer": "Springer Nature",
   "target": "Slimmer AI 的 Science 部门（S-AI）",
   "layer": "d1",
   "layer_name": "文献检索、综述与写作",
   "price": "未披露",
   "price_disclosed": false,
   "after": "Slimmer AI（荷兰）科学部门并入 Springer Nature；该部门做稿件编辑匹配、审稿人推荐、论文问题检测等出版 AI 工具。",
   "confidence": "A",
   "target_in_map": false,
   "src": [
    "https://group.springernature.com/gb/group/media/press-releases/archive-2023/acquisition-slimmer-ai-science-division/26215608",
    "https://indiaai.gov.in/article/springer-nature-unveils-two-ai-tools-to-safeguard-research-integrity"
   ],
   "kind": "团队收购",
   "note": "边界案例：偏学术出版流程的 AI 工具，不是科研本身；交割日没查到，不写。"
  }
 ]
}