The organizations and individuals listed below have invested in companies we defined as Milwaukee-area startups in our Metro Milwaukee Innovation DataTool. They are ordered based on the number of investments they have made in those companies; data on the value of these investments were not available.
Click here for our list of Milwaukee-area startups. (Source: PitchBook Data, Inc.)
| Investor | Primary Investor Type | HQ Location | # of Investments in MKE Area Startups |
| Wisconsin Economic Development Corporation | Government | Madison, WI | 44 |
| gener8tor | Accelerator/Incubator | Milwaukee, WI | 29 |
| BrightStar Wisconsin Foundation | Venture Capital | Milwaukee, WI | 24 |
| Cream City Ventures | Corporate Venture Capital | Milwaukee, WI | 12 |
| The BREW Accelerator | Accelerator/Incubator | Milwaukee, WI | 10 |
| National Science Foundation | Government | Alexandria, VA | 9 |
| CSA Partners | Venture Capital | Milwaukee, WI | 7 |
| Wisconsin Super Angel Fund | Angel Group | Milwaukee, WI | 7 |
| Golden Angels Investors | Angel Group | Brookfield, WI | 6 |
| Right Side Capital Management | Venture Capital | San Francisco, CA | 6 |
| Winnebago Seed Fund | Venture Capital | Neenah, WI | 6 |
| Advocate Aurora Health | Corporation | 5 | |
| gBETA | Accelerator/Incubator | Madison, WI | 5 |
| Madworks Accelerator | Accelerator/Incubator | Madison, WI | 5 |
| American Family Ventures | Venture Capital | Madison, WI | 4 |
| Gary Comer | PE/Buyout | Waukesha, WI | 4 |
| N29 Capital Partners | Venture Capital | Manitowish Waters, WI | 4 |
| Project Pitch It | Corporation | 4 | |
| Clean Energy Trust | Venture Capital | Chicago, IL | 3 |
| Comeback Capital | Venture Capital | Cleveland, OH | 3 |
| Cornerstone Angels | Angel Group | Northbrook, IL | 3 |
| Jeffrey Rusinow | Angel (individual) | Mequon, WI | 3 |
| Lancaster Investments | Family Office | Madison, WI | 3 |
| Midwest Energy Research Consortium | Not-For-Profit Venture Capital | Milwaukee, WI | 3 |
| Rock River Capital Partners | Venture Capital | Madison, WI | 3 |
| Serra Ventures | Venture Capital | Champaign, IL | 3 |
| StartUp Health | Venture Capital | San Francisco, CA | 3 |
| U.S. Department of Health and Human Services | Government | Washington, DC | 3 |
| WERCBench Labs | Accelerator/Incubator | Milwaukee, WI | 3 |
| Wisconsin Investment Partners | Venture Capital | Madison, WI | 3 |
| Arch Grants | Not-For-Profit Venture Capital | Saint Louis, MO | 2 |
| Arenberg Holdings | Venture Capital | Milwaukee, WI | 2 |
| Beta Boom | Accelerator/Incubator | Lehi, UT | 2 |
| Capital Midwest Fund | Venture Capital | Mequon, WI | 2 |
| Central Illinois Angels | Angel Group | Peoria, IL | 2 |
| Christopher Armbrust | Angel (individual) | 2 | |
| Cleveland Avenue | Venture Capital | Chicago, IL | 2 |
| Darrell Silver | Angel (individual) | New York, NY | 2 |
| Dave Sachse | Angel (individual) | Milwaukee, WI | 2 |
| Energy Foundry | Venture Capital | Chicago, IL | 2 |
| Five Mile Capital Partners | Asset Manager | Stamford, CT | 2 |
| GreenGage Capital | Family Office | Chicago, IL | 2 |
| Ideadvance | Accelerator/Incubator | 2 | |
| Imagine H2O | Accelerator/Incubator | San Francisco, CA | 2 |
| Kevin O’Brien | Angel (individual) | New York, NY | 2 |
| M25 | Venture Capital | Chicago, IL | 2 |
| Marc Lasry | Limited Partner | New York, NY | 2 |
| Milwaukee 7 | Venture Capital | Milwaukee, WI | 2 |
| National Institutes of Health | Government | Bethesda, MD | 2 |
| Northwestern Mutual Future Ventures | Corporate Venture Capital | Milwaukee, WI | 2 |
| Plug and Play Tech Center | Accelerator/Incubator | Sunnyvale, CA | 2 |
| Ravi Kalla | Angel (individual) | Brookfield, WI | 2 |
| Silicon Pastures | Angel Group | Milwaukee, WI | 2 |
| Slojo Investments | Venture Capital | Chicago, IL | 2 |
| SoGal Ventures | Venture Capital | New York, NY | 2 |
| Steve Barth | Angel (individual) | 2 | |
| Stormbreaker | Venture Capital | Laguna Beach, CA | 2 |
| SVG Ventures-THRIVE | Venture Capital | Los Gatos, CA | 2 |
| Twenty Seven Ventures | Venture Capital | 2 | |
| Whitewater’s Community Development Authority | Government | 2 | |
| 30Ventures | Venture Capital | Madison, WI | 1 |
| 43North | Accelerator/Incubator | Buffalo, NY | 1 |
| 5 Lakes Pitch | Other | 1 | |
| 9Mile Labs | Venture Capital | Seattle, WA | 1 |
| Alligator Holdings | Venture Capital | Waukesha, WI | 1 |
| Amit Pamecha | Angel (individual) | Herndon, VA | 1 |
| Amit Sevak | Angel (individual) | Reston, VA | 1 |
| Amy Slawson | Angel (individual) | 1 | |
| Angels on the Water | Angel Group | Oshkosh, WI | 1 |
| Arpa-E | Government | Washington, DC | 1 |
| AT&T (NYS: T) | Corporation | Dallas, TX | 1 |
| Backstage Capital | Venture Capital | Los Angeles, CA | 1 |
| Badger Fund of Funds | Venture Capital | Madison, WI | 1 |
| Baird Capital | PE/Buyout | Chicago, IL | 1 |
| Barbara Baade | Angel (individual) | 1 | |
| BBG Ventures | Venture Capital | New York, NY | 1 |
| Ben Gaddy | Angel (individual) | Lenoir City, TN | 1 |
| Betaworks Ventures | Venture Capital | New York, NY | 1 |
| Bill Staudenmaier | Angel (individual) | 1 | |
| BioForward | Corporation | 1 | |
| Blackthorne Partners | PE/Buyout | Delafield, WI | 1 |
| BraceUnder | VC-Backed Company | Chicago, IL | 1 |
| Brand Capital International | Corporate Venture Capital | 1 | |
| Breakout Labs | Not-For-Profit Venture Capital | San Francisco, CA | 1 |
| Bridge to Cures | Accelerator/Incubator | Wauwatosa, WI | 1 |
| BRIIA | Accelerator/Incubator | San Ramon, CA | 1 |
| Business Incubator Center | Accelerator/Incubator | Grand Junction, CO | 1 |
| Cameron Ventures | Venture Capital | Oklahoma City, OK | 1 |
| CFV Ventures | Venture Capital | Charlotte, NC | 1 |
| Cheryl Brandt-Dib | Angel (individual) | 1 | |
| Concordia University Wisconsin | Corporation | Mequon, WI | 1 |
| Connected Ventures | Venture Capital | Sterling, VA | 1 |
| Connetic Ventures | Venture Capital | Covington, KY | 1 |
| D1ASP0RA | Accelerator/Incubator | Madison, WI | 1 |
| Daniel Terry | Angel (individual) | 1 | |
| Danielle Salters | Angel (individual) | 1 | |
| Dark Knight Capital Ventures | Venture Capital | Milwaukee, WI | 1 |
| David Kellogg | Angel (individual) | 1 | |
| David Youngberg | Angel (individual) | 1 | |
| DBO Capital | Venture Capital | Panama | 1 |
| Deborah Quazzo | Angel (individual) | Chicago, IL | 1 |
| Del Johnson | Angel (individual) | 1 | |
| Department of Energy | Government | 1 | |
| Don Manu Capital | Venture Capital | 1 | |
| Doyenne Group | Accelerator/Incubator | Madison, WI | 1 |
| Draper Richards Kaplan Foundation | Impact Investing | Menlo Park, CA | 1 |
| Duncan Niederauer | Angel (individual) | New York, NY | 1 |
| Emerson Collective | Impact Investing | Palo Alto, CA | 1 |
| Ezra Galston | Angel (individual) | Chicago, IL | 1 |
| FinTech Ventures Fund | Venture Capital | Atlanta, GA | 1 |
| Foley Ventures | Venture Capital | Boston, MA | 1 |
| Forum Ventures | Venture Capital | San Francisco, CA | 1 |
| Froedtert Enterprises | Venture Capital | Mequon, WI | 1 |
| gAngels | Angel Group | 1 | |
| Gary Rubens | Angel (individual) | Seattle, WA | 1 |
| Gateway Capital Partners (Milwaukee) | Venture Capital | Milwaukee, WI | 1 |
| Gian Dilawari | Angel (individual) | Great Falls, VA | 1 |
| Global Insurance Accelerator | Accelerator/Incubator | Des Moines, IA | 1 |
| GP Investors | Corporation | 1 | |
| Greenlight Capital Re (NAS: GLRE) | Corporation | Grand Cayman, Cayman Islands | 1 |
| Grey Collar Ventures | Angel (individual) | 1 | |
| Hari Madamalla | Angel (individual) | Saint Louis, MO | 1 |
| Health Level Seven International | Other | 1 | |
| Healthcare Innovation Pitch | Other | 1 | |
| HG Ventures | Venture Capital | Indianapolis, IN | 1 |
| Hoyt Morgan | Angel (individual) | 1 | |
| Idea Fund of La Crosse | Venture Capital | La Crosse, WI | 1 |
| ISA Ventures | Venture Capital | Cedar Rapids, IA | 1 |
| J Heavey | Angel (individual) | 1 | |
| J. Michael Borden | Angel (individual) | 1 | |
| James Sietstra | Angel (individual) | Cambridge, MA | 1 |
| January Ventures | Venture Capital | Cleveland, OH | 1 |
| Jefferson DeAngelis | Angel (individual) | Milwaukee, WI | 1 |
| Joel Abraham | Angel (individual) | 1 | |
| John Torinus | Angel (individual) | Milwaukee, WI | 1 |
| Jon Eckhardt | Angel (individual) | Milwaukee, WI | 1 |
| Jonathan Hua | Angel (individual) | San Francisco, CA | 1 |
| Joseph A. B. Hausch | Angel (individual) | 1 | |
| Justin Mortara | Angel (individual) | Madison, WI | 1 |
| K8 Ventures | Family Office | Chicago, IL | 1 |
| Karl Muth | Angel (individual) | 1 | |
| Keane D’Souza Venture Capital | Venture Capital | Brookfield, WI | 1 |
| Keiretsu Forum | Venture Capital | San Francisco, CA | 1 |
| Kendall Karpf | Angel (individual) | 1 | |
| Kimmy Paluch | Angel (individual) | 1 | |
| La Macchia Enterprises | Corporation | 1 | |
| La Macchia Group | Corporation | Milwaukee, WI | 1 |
| Larry Bernstein | Angel (individual) | 1 | |
| Launch Ventures | Venture Capital | 1 | |
| Laurence Wintersteen | Angel (individual) | 1 | |
| Lee Enterprises (NAS: LEE) | Corporation | Davenport, IA | 1 |
| Levo Capital | Venture Capital | 1 | |
| Lori Greiner | Angel (individual) | Chicago, IL | 1 |
| Lupa Systems | PE/Buyout | New York, NY | 1 |
| Marcus Lemonis | Angel (individual) | 1 | |
| Mark Cuban | Angel (individual) | Dallas, TX | 1 |
| Mark Sellers | Angel (individual) | 1 | |
| Marquette University Endowment | Limited Partner | Milwaukee, WI | 1 |
| Mary Avery | Angel (individual) | 1 | |
| MaSa Partners | Impact Investing | Madison, WI | 1 |
| Masao Tejima | Angel (individual) | 1 | |
| MassChallenge | Accelerator/Incubator | Boston, MA | 1 |
| Matchstick Ventures | Venture Capital | Minneapolis, MN | 1 |
| Medical College of Wisconsin Endowment | Limited Partner | Milwaukee, WI | 1 |
| Metrodora Ventures | Venture Capital | New York, NY | 1 |
| Michael Cudahy | Angel (individual) | 1 | |
| Microsoft for Startups | Accelerator/Incubator | Seattle, WA | 1 |
| Milwaukee Venture Partners | Angel Group | 1 | |
| Motivate Venture Capital | Venture Capital | Chicago, IL | 1 |
| Northwestern Mutual | Corporation | Milwaukee, WI | 1 |
| One Million by One Million | Accelerator/Incubator | San Francisco, CA | 1 |
| Open Prairie Ventures | Asset Manager | Effingham, IL | 1 |
| Orrick | Corporation | San Francisco, CA | 1 |
| Oshkosh (NYS: OSK) | Corporation | Oshkosh, WI | 1 |
| Owl Ventures | Venture Capital | Menlo Park, CA | 1 |
| Pat Farley | Angel (individual) | 1 | |
| Patrick McKenna | Angel (individual) | 1 | |
| Patrick Willms | Angel (individual) | 1 | |
| Pi Ventures | Venture Capital | Bengaluru, India | 1 |
| Precursor Ventures | Venture Capital | San Francisco, CA | 1 |
| Progression Fund | Venture Capital | Los Angeles, CA | 1 |
| ReadWrite | Accelerator/Incubator | San Francisco, CA | 1 |
| Reed Dohmen | Angel (individual) | Milwaukee, WI | 1 |
| Revolution | Venture Capital | Washington, DC | 1 |
| Rezon8 Capital & Advisory Group | Venture Capital | Reston, VA | 1 |
| Rick Stratton | Angel (individual) | 1 | |
| Robert Mikulay | Angel (individual) | Milwaukee, WI | 1 |
| Rockstart | Accelerator/Incubator | Amsterdam, Netherlands | 1 |
| Rondo Ventures | Venture Capital | 1 | |
| RTP Global (Venture fund) | Venture Capital | 1 | |
| Sameer Kaul | Angel (individual) | 1 | |
| Sand Hill Angels | Angel Group | Mountain View, CA | 1 |
| Seamless Accelerator | Accelerator/Incubator | Grand Rapids, MI | 1 |
| Sean Beers | Angel (individual) | 1 | |
| Sean Cleary | Angel (individual) | Sharon, WI | 1 |
| Seraph Group | Venture Capital | Atlanta, GA | 1 |
| Serena Ventures | Venture Capital | San Francisco, CA | 1 |
| Serena Williams | Angel (individual) | New York, NY | 1 |
| Seven Seven Six | Venture Capital | Palm Beach Gardens, FL | 1 |
| Sharmila Mulligan | Angel (individual) | Irvine, CA | 1 |
| Simon School Venture Fund | Venture Capital | Rochester, NY | 1 |
| Southwest Angel Network | Angel Group | Austin, TX | 1 |
| Spero Ventures | Venture Capital | Redwood City, CA | 1 |
| Stanley Ventures | Corporate Venture Capital | Boston, MA | 1 |
| Start.coop | Accelerator/Incubator | 1 | |
| Starta Accelerator | Accelerator/Incubator | New York, NY | 1 |
| Starting Line | Venture Capital | Chicago, IL | 1 |
| Startup Milwaukee | Corporation | 1 | |
| State of Wisconsin | Government | 1 | |
| Storm Ventures | Venture Capital | Menlo Park, CA | 1 |
| Swell Partners | Venture Capital | New York, NY | 1 |
| SwissAuto | Corporation | 1 | |
| SymphonyAlpha Ventures | Corporate Venture Capital | Madison, WI | 1 |
| T-Hub | Accelerator/Incubator | Hyderabad, India | 1 |
| TACK Ventures | Venture Capital | Brooklyn, NY | 1 |
| Target Incubator | Accelerator/Incubator | Minneapolis, MN | 1 |
| Tenex Investment | Venture Capital | Douglasville, GA | 1 |
| The Peak Ridge Capital Group | PE/Buyout | Boston, MA | 1 |
| The Workers Lab | Accelerator/Incubator | Oakland, CA | 1 |
| Tim Peterson | Angel (individual) | 1 | |
| TitletownTech | Venture Capital | Green Bay, WI | 1 |
| TMC Innovation | Accelerator/Incubator | Houston, TX | 1 |
| Tom Avery | Angel (individual) | 1 | |
| Tommy Thompson | Angel (individual) | Milwaukee, WI | 1 |
| Ubiquity Ventures | Venture Capital | Palo Alto, CA | 1 |
| Union Square Ventures | Venture Capital | New York, NY | 1 |
| United Therapeutics (NAS: UTHR) | Corporation | Silver Spring, MD | 1 |
| University of Rochester Endowment | Limited Partner | Pittsford, NY | 1 |
| University of Wisconsin – Oshkosh | University | Oshkosh, WI | 1 |
| University of Wisconsin-Milwaukee | Limited Partner | Milwaukee, WI | 1 |
| UWM Research Foundation | Limited Partner | Milwaukee, WI | 1 |
| Venture Investors | Venture Capital | Madison, WI | 1 |
| Wakestream Ventures | Venture Capital | Grand Rapids, MI | 1 |
| Warhawk Entrepreneurial Fund | Venture Capital | New York, NY | 1 |
| Whitewater Bancorp | Corporation | 1 | |
| William Hickey | Angel (individual) | 1 | |
| Wind River | Corporation | Madison, WI | 1 |
| Winnow Fund | Venture Capital | Madison, WI | 1 |
| Wisconsin Alumni Research Foundation | Venture Capital | Madison, WI | 1 |
| Wisconsin Governor’s Business Plan contest | Government | 1 | |
| Wisconsin Technology Council | Government | 1 | |
| Young Enterprising Society | Accelerator/Incubator | Milwaukee, WI | 1 |
| Zerology | Corporate Development | Middleton, WI | 1 |
| Zimmerman Ventures | Accelerator/Incubator | Greenfield, WI | 1 |