Investor · Washington, Washington, D.C.
Antonio Sierra
Open Antonio in the network graph →Filings
137
SEC Form D
Connections
229
co-filers
Capital
$250.0M
across filings
Active
Oct 2013
to Feb 2025
Most-connected co-filers (229)
Afsaneh Beschloss · Washington, Washington, D.C.51 sharedRobert H. Thomas · George Town, Grand Cayman, Cayman Islands28 sharedInderjit M. Singh · Grand Cayman, Cayman Islands28 sharedTimothy I. Levart · New York, NY25 sharedUlf Ek · London, United Kingdom20 sharedRichard C. Duke · Aurora, CO20 sharedAmber H. Lewis · Charlotte, NC20 sharedTim Sweeting · Grand Cayman, Cayman Islands20 sharedMarc Henderson · Toronto, Ontario, Canada18 sharedBlaise Yerly · Toronto, Ontario, Canada18 sharedBill Chiles · HOUSTON, TX18 sharedIan Rosenberger · Pittsburgh, PA17 sharedJames L. Carruthers, Jr · MENLO PARK, CA17 sharedMike Scott · HOUSTON, TX17 sharedAndrew J. Mitchell · Costa Mesa, CA16 sharedMitchell Portfolio Management, L.P · Costa Mesa, CA16 sharedJames E. Mitchell · Costa Mesa, CA16 sharedThe Rock Creek Group, LP · Washington, Washington, D.C.16 sharedThe Rock Creek Group, LP · Washington, Washington, D.C.16 sharedMitchell Portfolio Management, L.P · Costa Mesa, CA16 sharedRobyn Kestenberg · Toronto, Ontario, Canada11 sharedJennifer Irons · Kelowna, British Columbia, Canada11 sharedPhilip N. Dickie · Grand Cayman, Cayman Islands11 sharedDavid S. Fisher · Atlanta, GA11 shared
Recent filings (137)
Glen Echo Fund, Ltd.Jul 2025 · 6 co-filersNorthlander America, LPFeb 2025 · 8 co-filersFlour Mill Fund, Ltd.Jan 2025 · 5 co-filers1837 Emerging Market Equity Fund, Ltd.Aug 2024 · 5 co-filersGlen Echo Fund, Ltd.Jul 2024 · 6 co-filersMitchell Partners, L.P.Apr 2024 · 7 co-filersNorthlander America, LPFeb 2024 · 8 co-filersFlour Mill Fund, Ltd.Jan 2024 · 5 co-filers1837 Emerging Market Equity Fund, Ltd.Aug 2023 · 5 co-filersGlen Echo Fund, Ltd.Jul 2023 · 6 co-filers1837 Emerging Market Equity Fund, Ltd.May 2023 · 5 co-filersMitchell Partners, L.P.Apr 2023 · 7 co-filersNorthlander America, LPFeb 2023 · 8 co-filersFlour Mill Fund, Ltd.Jan 2023 · 5 co-filersGlen Echo Fund, Ltd.Jul 2022 · 6 co-filers1837 Emerging Market Equity Fund, Ltd.May 2022 · 5 co-filersMitchell Partners, L.P.May 2022 · 7 co-filersMP Cash Liquidating Fund, L.P.May 2022 · 7 co-filers$70.4MHybrid Portfolio I, Ltd.Mar 2022 · 7 co-filersHybrid Portfolio I, Ltd.Mar 2022 · 7 co-filersNorthlander America, LPFeb 2022 · 8 co-filersExtract Capital Offshore LtdFeb 2022 · 8 co-filersFlour Mill Fund, Ltd.Jan 2022 · 5 co-filersGlen Echo Fund, Ltd.Jul 2021 · 6 co-filers1837 Emerging Market Equity Fund, Ltd.May 2021 · 5 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Antonio in the interactive graph →