Investor · St. Paul, MN
Mark Henneman
Open Mark in the network graph →Filings
21
SEC Form D
Connections
34
co-filers
Capital
$77.2M
across filings
Active
Sep 2023
to Nov 2025
Most-connected co-filers (34)
Robert Mairs · St. Paul, MN16 sharedJohn Bergstrom · St. Paul, MN13 sharedJeremy Abelson · denver, CO11 sharedMason H. Resch · Chicago, IL11 sharedTyler J. Resch · Chicago, IL11 sharedJonpaul J. Jonkheer · Chicago, IL11 sharedTjebbe Cornelis S. De Jong · London, United Kingdom11 sharedTimothy S. Roniger · London, United Kingdom11 sharedDareskedar T. Henry · Fishers, IN5 sharedFelipe Ayerbe · Bogot? D.C., Mauritius5 sharedSan D. Pathak · Indianapolis, IN5 sharedRonald Marino · Vancouver, British Columbia, Canada4 sharedMichael Halbherr · Zurich, V84 sharedScott Burns · St. Paul, MN3 sharedMairs & Power Private Capital Management, Llc · St. Paul, MN3 sharedJohn Bergstrom · St. Paul, MN3 sharedM&P Ventures Fund I Gp, Llc · St. Paul, MN3 sharedMairs & Power Private Capital Management, Llc · St. Paul, MN3 sharedM&P Ventures Fund I Gp, Llc · St. Paul, MN3 sharedMichael Mann · Dallas, TX2 sharedClaire M. Bennett · LUXEMBOURG CITY, Luxembourg2 sharedJohn French · Fort Worth, TX2 sharedLawton Cummings · Beaverton, OR2 sharedJoshua Baer · Beaverton, OR2 shared
Recent filings (21)
Mairs & Power Ventures Fund II, LPNov 2025 · 8 co-filersBowmoor Global Alpha Aggressive Fund LLCOct 2025 · 8 co-filersHyperion Fund LLCAug 2025 · 8 co-filersHyperion Fund LLCJul 2025 · 8 co-filersHyperion Fund LLCJun 2025 · 8 co-filersMulti Asset Volatility Capture Fund LLCMay 2025 · 8 co-filersMairs & Power Ventures Fund II, LPNov 2024 · 10 co-filersBowmoor Global Alpha Aggressive Fund LLCAug 2024 · 8 co-filersActive Vol Fund LLCFeb 2024 · 8 co-filersHyperion Fund LLCOct 2023 · 8 co-filersMairs & Power Ventures Fund I, LPSep 2023 · 9 co-filersHyperion Fund LLCOct 2022 · 8 co-filersMairs & Power Ventures Fund I, LPMar 2022 · 12 co-filersHyperion Fund LLCNov 2021 · 8 co-filersMairs & Power Ventures Fund I, LPSep 2021 · 14 co-filersEnroll HQ LLCJul 2021 · 5 co-filers$152KEnroll HQ LLCJul 2021 · 5 co-filers$152KEnroll HQ LLCJul 2021 · 5 co-filers$1.0MEnroll HQ LLCJul 2021 · 5 co-filers$125KEnroll HQ LLCSep 2020 · 4 co-filers$150KHyperion Fund LLCSep 2020 · 8 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Mark in the interactive graph →