Investor · VANCOUVER, British Columbia, Canada

Tero R. Kosonen

Open Tero in the network graph →

Filings

45

SEC Form D

Connections

179

co-filers

Capital

$1.8M

across filings

Active

Jun 2020

to Feb 2023

Most-connected co-filers (179)

Sandra Wong · VANCOUVER, British Columbia, Canada28 shared Alistair Waddell · VANCOUVER, British Columbia, Canada20 shared Ernest Mast · Vancouver, British Columbia, Canada12 shared Wendell R. Zerb · Vancouver, British Columbia, Canada11 shared Jose F. Da Costa · VANCOUVER, British Columbia, Canada9 shared Jerry Huang · VANCOUVER, British Columbia, Canada8 shared Carl Swensson · VANCOUVER, British Columbia, Canada8 shared Jeffrey Wilson · VANCOUVER, British Columbia, Canada7 shared Caleb Stroup · Vancouver, British Columbia, Canada6 shared Stuart R. Smith · VANCOUVER, British Columbia, Canada6 shared Cecil R. Bond · Vancouver, British Columbia, Canada6 shared Jamin Hujik · Spartanburg, SC5 shared Jonathan Held · Toronto, Ontario, Canada5 shared Michael Lamon · New York, NY5 shared Micah Crist · Lancaster, PA5 shared Richard Davis · New York, NY5 shared Nadir Noorani · Matthews, NC5 shared Jai Krishnamurthy · Fremont, CA5 shared Tru Arrow Management, LP · New York, NY5 shared Shawn Horwitz · Calabasas, CA5 shared Wonyoung Kim · San Francisco, CA4 shared John Crossley · San Francisco, CA4 shared Keith Crawford · BOSTON, MA4 shared John Wenger · Vancouver, British Columbia, Canada4 shared

Recent filings (45)

Old Ironsides Pine Wave III, LPJan 2026 · 2 co-filers Headwater Gold Inc.Sep 2025 · 18 co-filers$443K Headwater Gold Inc.Sep 2025 · 18 co-filers$443K Roby Services, Inc.Jun 2025 · 5 co-filers$50K Roby Commercial, LLCJun 2025 · 5 co-filers$20K FINEX METALS LTD.Apr 2025 · 17 co-filers$23K FINEX METALS LTD.Apr 2025 · 17 co-filers$339K FINEX METALS LTD.Apr 2025 · 17 co-filers$4K FINEX METALS LTD.Apr 2025 · 17 co-filers$11K FINEX METALS LTD.Apr 2025 · 17 co-filers$11K FINEX METALS LTD.Apr 2025 · 17 co-filers$4K FINEX METALS LTD.Apr 2025 · 17 co-filers$23K FINEX METALS LTD.Apr 2025 · 17 co-filers$339K OIE STREAM FUND I, LPMay 2024 · 8 co-filers OIE STREAM CO-INVEST FUND I, LPMay 2024 · 8 co-filers LWO Special Opportunities Fund I, LPOct 2023 · 16 co-filers$175.0M OLD IRONSIDES BRAZOS III-B, LPJun 2023 · 14 co-filers OLD IRONSIDES BRAZOS III-A, LPJun 2023 · 14 co-filers LWO Special Opportunities Fund I, LPJun 2023 · 17 co-filers$175.0M LWO Special Opportunities Fund I, LPJun 2023 · 17 co-filers$175.0M Headwater Gold Inc.Feb 2023 · 15 co-filers$485K Inflection Resources Ltd.Aug 2022 · 20 co-filers$465K Elm Bidco, L.P.Dec 2021 · 15 co-filers Glympse Bio, Inc.Dec 2021 · 34 co-filers$18.0M FINEX METALS LTD.Dec 2021 · 11 co-filers$4K

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