{"investor":{"slug":"marunouchi-innovation-partners","name":"Marunouchi Innovation Partners","website":null,"x_handle":null,"logo":"https://recentfunding.com/logo/e/uslnfOR-x8hrpGOoGdtawM4viAx81mfrJoNtNBTepNA0sjIW-g38hh4srAOVgsy0yaJQHmht9lztnOVlcEOuwHVJPdN5Q2BY_vZ56RhA0EZJET--QwQ35_C36w","type":"fund","companies":1,"deals":1,"deals_12m":0,"deals_90d":0,"leads":0,"round_capital":258000000,"latest_deal":{"date":"2025-04-17","stage":"series-b+","amount_usd":258000000,"company":{"slug":"mainspring-energy","name":"Mainspring Energy"}}},"profile":null,"fund_returns":[],"funds_raised":[],"team":[],"limited_partners":[],"positions":[],"portfolio":[{"slug":"mainspring-energy","name":"Mainspring Energy","logo":"https://recentfunding.com/logo/e/NLWGffLlx6WELRZ3fWNzCH52pWQ3nkrlNZ4dL2buTyjtXTCGap290AjCqjYV3zKpp8b40kuJxeB3HEwOI65PvI_IS1KVIIOvwKyORa14fmfXtI2RIqaGtVedYpQ8VEh07fWn_9q7BTp7","crypto":false,"categories":["ai-infra","climate-energy","industrial"],"total_raised":258000000,"latest_raise":{"date":"2025-04-17","stage":"series-b+","amount_usd":258000000,"source_url":"https://startupintros.com/news/2025-04-14-mainspring-energy-series-f"},"rounds_with_investor":[{"date":"2025-04-17","stage":"series-b+","amount_usd":258000000,"source_url":"https://startupintros.com/news/2025-04-14-mainspring-energy-series-f","lead":false}]}],"top_categories":[{"key":"ai-infra","label":"AI infrastructure and compute","companies":1,"share":1},{"key":"climate-energy","label":"Climate and energy","companies":1,"share":1},{"key":"industrial","label":"Manufacturing and industrial","companies":1,"share":1}],"allocation":{"stages":[{"key":"series-b+","label":"Series B+","deals":1,"capital":258000000,"share":1}],"years":[{"year":"2025","deals":1,"capital":258000000,"share":1}]},"co_investors":[{"slug":"dcvc","name":"DCVC","logo":"https://recentfunding.com/logo/e/A55uPaTSnaj5ZlLsst_EzJPvjcBv96u87E8SB4OyOFJIW9OdYrtjRgM8qjbIwrsPdyBuTohZe0UsXCUIaUajtAgfet_rgaOuyEXBzcYWfDPtrRqgcRgXN0pbQVEjasOeMXUT6HW-JMDz","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"khosla-ventures","name":"Khosla Ventures","logo":"https://recentfunding.com/logo/e/qCGOSgvVpIt-kjW0Xsj2xsBTgYV_kR6ysml2W0UAMe6nXMgILqQF-cq8loTvDK7zsNleB3Uu_ELHJ1ud9hgp6Bch9XMisIeDZ3wLn2npi51hVBW_GMcCz_L3WyxLFaWZfC8kzuDiLUdp","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"general-catalyst","name":"General Catalyst","logo":"https://recentfunding.com/logo/e/PTEHHLJa0TGuHOe-pufGppqWdYe3uENDr4JJYF6MKzwD3VDPUCww-m_0b42Wdlitwu9PW-UDYdz7tQmvsa97t-dNUBJ6VV7NsnXUZF98Zz3HQpckuqxQC82kb5_iIgWi2MalxCUZMvsL","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"temasek","name":"Temasek","logo":"https://recentfunding.com/logo/e/ymDmPWTMtDMg8KY-C4EWbRp4oCOACqgt3D3cRUUBw8hY7LBQmLL9pP-7UFbt7i0jPRd_04y_6DO09bjoiN2gLYbp2ikJvZk_ifSOElXCe-CN5x0zeGFIeTqaayZVubkCcg0Z4oUJs_6N","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"m-g-investments","name":"M&G Investments","logo":"https://recentfunding.com/logo/e/zT2ue3cQejrZsl4f4u0rf89yVPfTl-LoJIP4OiYk9O9pcKPWbUqWyPk3Y_FYDr8iOjCyIvJRD5PNWq_mZyuzi4L1_7G46ag9TOUgWMuk8XCKhPZDLYYFcoqq4w","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"gates-frontier","name":"Gates Frontier","logo":null,"type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"lgt-group","name":"LGT group","logo":"https://recentfunding.com/logo/e/cNd9U1eIYtgkZUJ5EX92jC14m92zdeTCuPTjmkRThz2zi6M165vLHG0BaCJ63M7nw5Ocvaudl-8mwSbfUaTwVbXnbWhA96VVSwOH4Do60wNJ7602n5S7kGns2g","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"lightrock","name":"Lightrock","logo":"https://recentfunding.com/logo/e/HsCLxxgAyF3_Lnbp-FfBzZvvpAMLljEQWbPmteDhfY8Vb__0yupV0CjzLMEpi_PvclqHMzZ-h_dDX0F6JV3IbetCzK1hjho6KgXiDJ0MDNDe-xbnMIcE0NGInw","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"},{"slug":"pictet-private-equity-investors-s-a","name":"Pictet Private Equity Investors S.A.","logo":"https://recentfunding.com/logo/e/jJw-vnejMFVUq91jwrw9ubLVzqqxJvbxCahhmN1gzyY4I_qPz_if1EX26WU8yr5FpaVDcRlA71xT4xh_9LegGF1aPu7Dt9dpsgxMmt5HxoZm_HrnClPoAH5374YvbV0AJgXskhjh-TiBn5RiXdhQD-ce5nlTNFw","type":"fund","shared_rounds":1,"last_shared":"2025-04-17"}],"meta":{"notice":"No API key: 10000 requests a day per client, then a 429. Get a free key with just an email: POST https://recentfunding.com/api/keys/new with the JSON body {\"email\": \"you@example.com\"} (or use the form at https://recentfunding.com/api-key/). The answer's \"key\" starts with rf_; send it on every request as the header \"Authorization: Bearer rf_...\" (X-API-Key: rf_... or ?api_key=rf_... also work).","get_key":"https://recentfunding.com/api-key/","create_key":{"method":"POST","url":"https://recentfunding.com/api/keys/new","body":{"email":"you@example.com"}},"send_key":"Authorization: Bearer rf_...","daily_limit":10000,"remaining_today":9788}}