Investment firms starting with O
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- O'Neil Strategic Capital
- O'Reilly AlphaTech Ventures
- O'Shaughnessy Asset Management
- O'Shaughnessy Ventures
- O.G. Venture Partners
- o15 Capital Partners
- o2 Angels Network | India’s First DeepTech-Focused Angel Network
- O2 Investment Partners
- O2 VC Fund
- O2h Ventures
- O3 Partners
- Oa Private Capital
- Oak Drive Ventures
- Oak Grove Ventures
- Oak HC/FT
- Oak Hill Advisors
- Oak Hill Capital
- OAK HILL CAPITAL MANAGEMENT
- Oak Hill Capital Partners
- Oak Hill Financial
- Oak Investment Partners
- Oak Street Ventures
- Oak View Group
- Oakfield Capital Partners
- Oakland Capital Partners
- Oakland Standard Co.
- Oakley Capital
- Oakmont
- Oaknorth
- Oakridge Management Group
- OAKS Asset Management
- Oakseed Ventures
- Oaktree Capital Management
- Oakvale Capital
- Oakwise Capital
- Oakwood Circle Ventures
- OAREX
- OASIS
- Oasis Capital
- Oasis Equity Partners
- Oasis Management
- Oasis Protocol Foundation
- Oasis500
- Obama Foundation
- Obelysk
- Oberland Capital
- Oberon Investments Group
- Oberon Securities
- Obigo
- Obligo
- Obor Capital
- Obos Forsikring
- OBr.global
- Obra Capital
- Obra Capital
- OBRATORI
- Observer Capital
- Obvious Ventures
- Oc Funds Management
- OCA Ventures
- Ocado Group
- Ocama Partners
- Ocampo Capital
- OCBC Bank of Singapore
- Ocbc Ventura
- Occident
- Occitanie Angels
- Occte
- Ocean 14 Capital
- Ocean Avenue Capital
- Ocean Avenue Capital
- Ocean Azul Partners
- Ocean Capital
- Ocean Cliff Partners
- Ocean Impact Organisation
- Ocean Investment
- Ocean Link
- Ocean Startup Project
- Ocean VC
- OCEAN.capital
- Oceanic Partners
- OceanIQ Capital
- Oceanpine Capital
- Oceans
- OceanSound Partners
- Oceanview Capital Partners
- Ocgrow Ventures
- Ochsner Health
- OCI International Holdings
- Ocp Asia
- Octagon Capital Advisors
- Octahedron Capital
- Octane
- Octane Capital Management
- Octant Ventures
- Octante Capital
- Octave
- Octave
- OCTAVE Capital
- Octerra Capital
- October
- October Capital
- Octopus Capital
- Octopus Energy
- Octopus Energy Generation
- Octopus Investments
- Octopus Ventures
- OCV
- Odba
- ODDBIRD VC
- Oddiyana Ventures
- ODDO BHF
- Ode Growth Partners
- Odeon Capital Group
- Odewald KMU
- Odey Asset Management
- ODF GROUP PREFAB
- ODI Startup Accelerator
- Odin
- Odin Financial
- ODIN Forvaltning
- Odin Investments
- Odos
- ODYSSEE Venture
- Odyssey
- Odyssey Capital Ventures
- Odyssey Investment Partners
- Odyssey Private Equity
- Odyssey Telecorp
- Odyssey Venture Partners
- Odyssey Ventures
- Oesterreichische Entwicklungsbank
- OfBusiness
- Off Piste Capital
- Off Road Capital Partners
- Off the Chain Capital
- Off the Grid Ventures
- Off-Court Ventures
- Offchain Labs
- Office Depot
- Office of Reid Hoffman
- Office of Strategic Capital
- Offline Ventures
- Offscript
- Offshore Wind Growth Partnership
- Offsuit.vc
- Ofgem
- OFS Energy Fund
- OFS Management
- Ofwat
- Ogbc Group
- OGCI Climate Investments
- OHA Osnabrück Healthcare Beteiligungs
- Ohana & Co.
- Ohio Angel Collective
- Ohio Department Of Development
- Ohio Development Services Agency
- Ohio Impact Fund
- Ohio Innovation Fund
- Ohio State Early Investor Network
- OhioHealth
- Ohouse
- OIC (Orion Infrastructure Capital)
- OIF Ventures
- Oikocredit, Ecumenical Development Cooperative Society U.A.
- Oikos Family Office
- Oikos Innovation Capital
- Oil and Natural Gas Corporation
- Oilinvest Group
- Ok Group
- Ok!Acquired
- Okapi Venture Capital
- Okcoin
- Okeanos
- OKGN WMAN Angel Funds
- Oklahoma Life Science Fund
- Oklo
- Okoa Capital
- Okta
- Oktogon Ventures
- Okwind
- OKX
- Olayan Financing Company
- Old City Investment Partners
- Old College Capital
- Old Fashion Research
- Old Georgian Ventures
- Old Ironsides Energy
- Old Main Ventures
- Old Mutual Alternative Investments
- Old Mutual Investment Group
- Old National Bank
- Old Tom Capital
- Oldslip
- Ole Ventures
- Olisipo Way
- Olist
- Olive Capital
- Olive Capital
- Olive Partners Management
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal