Investor · Santa Clara, CA
Seth Winterroth
Open Seth in the network graph →Filings
17
SEC Form D
Connections
54
co-filers
Capital
$127.2M
across filings
Active
Nov 2021
to Jan 2026
Most-connected co-filers (54)
Konstantinos Alataris · Santa Clara, CA12 sharedDr. Ismail Kola · Santa Clara, CA11 sharedMarc Fetten · Charleston, SC7 sharedClarissa Steland · Luxembourg, Luxembourg7 sharedFarhan N. Ahmed · Senningerberg, Luxembourg7 sharedMichael Jones · Carmel, IN7 sharedSacha A. Spitz · Buenos Aires, C17 sharedRomain N. Delvert · Luxembourg, Luxembourg7 sharedN. Henderson Park Real Estate Fund Ii Gp S.A R.L · Senningerberg, Luxembourg4 sharedN. Henderson Park Real Estate Fund Ii Gp S.A R.L · Senningerberg, Luxembourg4 sharedMartina Fetten · Charleston, SC4 sharedSebastian N. Bos · Senningerberg, Luxembourg4 sharedWeston Willett · Vancouver, WA4 sharedNigel N. Williams · Luxembourg, Luxembourg3 sharedAndrew Perlman · Seattle, WA3 sharedHenderson Park Real Estate Fund Ii Gp S.A R.L · Senningerberg, Luxembourg3 sharedHenderson Park Real Estate Fund Ii Gp S.A R.L · Senningerberg, Luxembourg3 sharedOliver Bell · NEW YORK, NY3 sharedPeter J. Busalacchi · San Diego, CA3 sharedBernardo Navarro · PEMBROKE PINES, FL3 sharedRick O'Connor · Santa Clara, CA3 sharedKatia Ciesielska · Senningerberg, Luxembourg3 sharedCarl Williams · STAMFORD, CT3 sharedHenderson Park Real Estate Fund Ii Gp S.A R.L · Senningerberg, Luxembourg3 shared
Recent filings (17)
Oxide Computer CoJan 2026 · 3 co-filers$200.0MFoxglove Technologies Inc.Nov 2025 · 7 co-filers$40.0MFoxglove Technologies Inc.Nov 2025 · 7 co-filers$40.0MOxide Computer CoJul 2025 · 7 co-filers$110.0MOxide Computer CoJul 2025 · 7 co-filers$110.0MPuzzl Group Inc.Dec 2023 · 8 co-filers$15.0MInvicta Medical, Inc.Apr 2023 · 17 co-filers$25.0MFoxglove Technologies Inc.Oct 2022 · 5 co-filers$15.0MFoxglove Technologies Inc.Oct 2022 · 5 co-filers$15.0MInvicta Medical, Inc.Oct 2022 · 17 co-filers$25.0MHPREF II Coinvest USD Pool SCSpNov 2021 · 17 co-filersHPREF II Coinvest USD Pool B SCSpNov 2021 · 17 co-filersHenderson Park Real Estate Fund II Coinvest SCSpNov 2021 · 17 co-filersInvicta Medical, Inc.Nov 2021 · 9 co-filers$5.7MInvicta Medical, Inc.Nov 2021 · 9 co-filers$5.7MHenderson Park Real Estate Fund II EUR Pool B SCSpJul 2021 · 13 co-filersHenderson Park Real Estate Fund II USD Pool SCSpJul 2021 · 13 co-filersHenderson Park Real Estate Fund II SCSpJul 2021 · 13 co-filersHenderson Park Real Estate Fund II USD Pool B SCSpJul 2021 · 13 co-filersPuzzl Group Inc.Jul 2021 · 8 co-filers$14.6MWiivv Wearables Inc.Aug 2016 · 9 co-filers$3.9MWiivv Wearables Inc.Aug 2016 · 9 co-filers$3.9M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Seth in the interactive graph →