Investor · San Francisco, CA

Otso Fristrom

Open Otso in the network graph →

Filings

17

SEC Form D

Connections

53

co-filers

Capital

$35.0M

across filings

Active

Mar 2023

to Mar 2026

Most-connected co-filers (53)

Parker S. Blake · Palm Beach, FL7 shared Christian S. Marzullo · Palm Beach, FL7 shared Stanley Mbugua · Beaverton, OR6 shared Salvatore F. Battinelli · Santa Fe, NM6 shared Stuart Orgill · San Francisco, CA6 shared Peter Economos · Naperville, IL5 shared Kumar Ujjwal · Hayward, CA5 shared Almerindo De Palma · WINTER GARDEN, FL4 shared Sai Fai Yip · Singapore, U04 shared Double River Management Limited · San Francisco, CA4 shared Richard P. Harris · Hobe Sound, FL4 shared John F. Burke · RESTON, VA4 shared Kanya Hasegawa · Singapore, U04 shared Tanya Betts · Ames, IA4 shared James M. Wesley · NEW YORK, NY4 shared Paul Wilken · Ames, IA4 shared Heather Solberg · Ames, IA4 shared Carlo A. Montagna · Luxembourg, Luxembourg4 shared Jessica Mortvedt · Ames, IA4 shared Sean Coleman · Atlanta, GA4 shared Brent Haverkamp · Ames, IA4 shared Meg Reynolds · Boston, MA4 shared Manuel M. Baldauff · Luxembourg, Luxembourg4 shared Haverkamp Group, Inc · Ames, IA4 shared

Recent filings (17)

Attivo Omaha Investors LLCMar 2026 · 10 co-filers$16.0M BCP Infrastructure Fund II-A, LPMar 2026 · 3 co-filers BCP Infrastructure Fund II, LPMar 2026 · 3 co-filers Double River US Feeder Funds LP - Double River AbsoluteAug 2025 · 8 co-filers Double River US Feeder Funds LP - Double River Emerging MarketsAug 2025 · 8 co-filers Double River Feeder Funds SPC - Emerging Markets SPAug 2025 · 8 co-filers Double River Feeder Funds SPC - Absolute Feeder SPAug 2025 · 8 co-filers Double River US Feeder Funds LP - Double River AbsoluteAug 2025 · 8 co-filers Double River US Feeder Funds LP - Double River Emerging MarketsAug 2025 · 8 co-filers Double River Feeder Funds SPC - Emerging Markets SPAug 2025 · 8 co-filers Double River Feeder Funds SPC - Absolute Feeder SPAug 2025 · 8 co-filers Prairie Pointe Investors, L.C.Aug 2025 · 28 co-filers$12.0M Prairie Pointe Investors, L.C.Jul 2025 · 28 co-filers$12.0M Prairie Pointe Investors, L.C.Jul 2025 · 28 co-filers$12.0M BCP Infrastructure Fund II, LPMar 2025 · 14 co-filers BCP Infrastructure Fund II-A, LPMar 2025 · 14 co-filers Double River Feeder Funds SPC - Absolute Feeder SPFeb 2025 · 7 co-filers Double River US Feeder Funds LP - Double River AbsoluteFeb 2025 · 7 co-filers Double River Feeder Funds SPC - Absolute Feeder SPFeb 2025 · 7 co-filers Double River US Feeder Funds LP - Double River AbsoluteFeb 2025 · 7 co-filers Haverkamp RE Development Fund, L.C.Mar 2023 · 18 co-filers$50.0M Gridium Inc.Mar 2023 · 8 co-filers$2.2M Gridium Inc.Mar 2023 · 8 co-filers$3.5M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Otso in the interactive graph →