Investor · San Francisco, CA

Amman Fenster

Open Amman in the network graph →

Filings

33

SEC Form D

Connections

81

co-filers

Capital

$8.7B

across filings

Active

Jun 2020

to May 2023

Most-connected co-filers (81)

Eric R. Sandlund · San Francisco, CA25 shared Christopher H. Legallet · San Francisco, CA22 shared Michael R. Ellis · San Francisco, CA22 shared Newport Asia LLC · San Francisco, CA20 shared Anne Schieding · San Francisco, CA18 shared Massey Quick Multi Manager Equity Management, LLC · Morristown, NJ15 shared Greg C. Lee · Fayetteville, AR15 shared William L. Delaat · Lane Cove, New South Wales, Channel Islands15 shared Deborah G. Gewinner · MEGEVE, I015 shared Contrarian Opportunity Fund III GP, LLC · Greenwich, CT15 shared Salil B. Sharma · New York, NY15 shared Robert Lindquist · Chicago, IL15 shared Stephen A. Yacktman · Austin, TX15 shared Jason S. Subotky · Austin, TX15 shared Patrick Dominguez · San Francisco, CA7 shared Adrian A. Fleming · LONGUEUIL, Quebec, Canada5 shared Jordan Strebeck · Midland, TX4 shared L. J. Doerr · Mountain View, CA4 shared Bob M. Gorman · LOUISVILLE, KY4 shared Matthew Downs · Nashville, TN4 shared Steven S. Thornton · San Francisco, CA3 shared Brandon Fluegel · Troy, MI3 shared Anne C. Whitaker · DURHAM, NC3 shared David Fennell · LONGUEUIL, Quebec, Canada3 shared

Recent filings (33)

Lionstead Capital LtdJan 2026 · 3 co-filers Mantel Capture, Inc.Sep 2024 · 12 co-filers$30.0M PasCal Technologies, Inc.May 2024 · 4 co-filers$9.0M Newport Asia Advisors Fund LPApr 2024 · 16 co-filers Newport Asia Institutional Fund LPApr 2024 · 16 co-filers Newport Asia Growth & Income Fund LPApr 2024 · 16 co-filers Newport Asia Growth Fund, L.P.Apr 2024 · 15 co-filers Newport Asia Growth Fund, L.P.Apr 2024 · 15 co-filers Newport Asia Growth & Income Fund LPApr 2024 · 16 co-filers Newport Asia Institutional Fund LPApr 2024 · 16 co-filers Newport Asia Partners Fund LPApr 2024 · 15 co-filers Newport Asia Advisors Fund LPApr 2024 · 16 co-filers Newport Asia Partners Fund LPApr 2024 · 15 co-filers Win Win Tech Inc.Jan 2024 · 5 co-filers$550K Win Win Tech Inc.Jul 2023 · 5 co-filers$1.6M Newport Asia Institutional Fund LPMay 2023 · 15 co-filers Newport Asia Advisors Fund LPMay 2023 · 15 co-filers Newport Asia Growth & Income Fund LPMay 2023 · 15 co-filers Newport Asia Growth Fund, L.P.May 2023 · 15 co-filers Newport Asia Partners Fund LPMay 2023 · 15 co-filers Randolph Solar Investments LLCJan 2023 · 14 co-filers$13.3M Win Win Tech Inc.Dec 2022 · 5 co-filers Randolph Solar Investments LLCDec 2022 · 14 co-filers$13.3M Newport Asia Growth Fund, L.P.May 2022 · 15 co-filers Newport Asia Institutional Fund LPMay 2022 · 15 co-filers

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