Investor · Toronto, Ontario, Canada
Alden Greenhouse
Open Alden in the network graph →Filings
20
SEC Form D
Connections
109
co-filers
Capital
$70.7M
across filings
Active
Jun 2023
to Nov 2025
Most-connected co-filers (109)
Susan Uthayakumar · Toronto, Ontario, Canada9 sharedJohn Pollesel · Toronto, Ontario, Canada8 sharedAllen Tyndall · Wilmington, NC7 sharedGeorge Puvvada · Toronto, Ontario, Canada7 sharedKerr E. James · Denver, CO7 sharedMarty Rendall · Toronto, Ontario, Canada6 sharedMark Howard · Portland, OR5 sharedHeather Smiles · Toronto, Ontario, Canada5 sharedBob Warshawer · Seattle, WA5 sharedPivotal Portfolios Llc · Berkeley, CA5 sharedThomas Mitchell · Seattle, WA5 sharedPivotal Portfolios Llc · Berkeley, CA5 sharedRobert Byrne · Berkeley, CA5 sharedMichael Insulan · Toronto, Ontario, Canada5 sharedTee Lim · Walnut Creek, CA5 sharedDavid Stetson · Toronto, Ontario, Canada5 sharedGreg Newbloom · Seattle, WA5 sharedTrent Mell · Toronto, Ontario, Canada4 sharedJohn A. Ackerley · Grand Cayman, Cayman Islands3 sharedMonroe Capital Opportunistic Private Credit GP S.a r.l · Chicago, IL3 sharedPavandeep Sethi · Chicago, IL3 sharedHenry Schuck · Chicago, IL3 sharedGuillermo Kaelin · London, United Kingdom3 sharedMark Mader · Bellevue, WA3 shared
Recent filings (20)
NexPoint Lodging I DSTMar 2026 · 4 co-filers$27.9MBVC Rise NC Portfolio Fund, LLCNov 2025 · 8 co-filers$1.5MElectra Battery Materials CorpNov 2025 · 31 co-filers$137.9MElectra Battery Materials CorpNov 2025 · 29 co-filers$34.5MElectra Battery Materials CorpNov 2025 · 31 co-filers$137.9MElectra Battery Materials CorpNov 2025 · 29 co-filers$34.5MElectra Battery Materials CorpNov 2025 · 19 co-filers$34.5MElectra Battery Materials CorpNov 2025 · 19 co-filers$34.5MLeith Medical, Inc.Aug 2025 · 10 co-filers$2.0MBVC Apollo Fund, LLCAug 2025 · 8 co-filers$1.8MNexPoint Lodging I DSTJun 2025 · 12 co-filers$27.9MElectra Battery Materials CorpApr 2025 · 27 co-filers$6.0MElectra Battery Materials CorpApr 2025 · 27 co-filers$6.0MZoomInfo Technologies Inc.Apr 2025 · 31 co-filers$776KPivotal Leveraged Fund LPApr 2025 · 10 co-filersPivotal Fund One LPApr 2025 · 10 co-filersZoomInfo Technologies Inc.Apr 2024 · 32 co-filers$1.6MPivotal Fund One LPApr 2024 · 10 co-filersPivotal Leveraged Fund LPMar 2024 · 10 co-filersSlingshot Aerospace, Inc.Jul 2023 · 20 co-filers$20.0MLeith Medical, Inc.Jun 2023 · 8 co-filers$1.0MSlingshot Aerospace, Inc.Jun 2023 · 20 co-filers$7.6MZoomInfo Technologies Inc.Apr 2023 · 34 co-filersPivotal Fund One LPApr 2023 · 10 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Alden in the interactive graph →