Investor · New York, NY

Sio Capital Management, Llc

Open Sio in the network graph →

Filings

28

SEC Form D

Connections

29

co-filers

Capital

—

across filings

Active

Apr 2014

to Feb 2026

Most-connected co-filers (29)

Sio Capital Management, Llc · New York, NY23 shared Michael Castor · NEW YORK, NY23 shared Sio Gp, Llc · NEW YORK, NY15 shared Sio Gp, Llc · New York, NY14 shared Brett Siegal · Chicago, IL12 shared Sio Gp, Llc · New York, NY12 shared Thomas H. Davis · Smiths, Bermuda11 shared Michelle Ringold · Richton Park, IL10 shared Shashi Chilappagari · Santa Clara, CA8 shared Marc Kerrest · Cupertino, CA7 shared Eyas Raddad · Carmel, IN7 shared Brian Chee · West Chester, PA7 shared Richard Gordon · Camana Bay, Grand Cayman, Cayman Islands6 shared Deane H. Dolben · WOBURN, MA5 shared Joe M. Shikorsky · West Chester, PA5 shared Erik Hagge · Thousand Oaks, CA4 shared Janel Fillinger · Salt Lake City, UT4 shared David P. Tyson · Houston, TX4 shared David Emminger · Thousand Oaks, CA3 shared Cindy R. Eagar · Avondale, AZ3 shared Laura O'Donnell · Westmount, Quebec, Canada3 shared Mary Ann Tocio · West Chester, PA3 shared Jack Ball · Boulder, CO3 shared Laura Redman · Grand Cayman, Cayman Islands3 shared

Recent filings (28)

Sio Partners LPFeb 2026 · 2 co-filers Sio Partners Offshore, LtdFeb 2026 · 3 co-filers Sio Partners LPFeb 2025 · 7 co-filers Sio Partners Offshore, LtdFeb 2025 · 10 co-filers Sio Partners Offshore, LtdMar 2024 · 10 co-filers Sio Partners LPMar 2024 · 7 co-filers Sio Partners LPMar 2023 · 7 co-filers Sio Partners Offshore, LtdMar 2023 · 10 co-filers Sio Partners Offshore, LtdMar 2022 · 9 co-filers Sio Partners LPMar 2022 · 7 co-filers Sio Partners LPMar 2021 · 7 co-filers Sio Partners Offshore, LtdMar 2021 · 10 co-filers Sio Partners Offshore, LtdMar 2020 · 10 co-filers Sio Partners LPMar 2020 · 7 co-filers Sio Partners LPMar 2019 · 7 co-filers Sio Partners Offshore, LtdMar 2019 · 10 co-filers Sio Partners Offshore, LtdApr 2018 · 10 co-filers Sio Partners LPApr 2018 · 7 co-filers Sio Partners Offshore, LtdApr 2017 · 10 co-filers Sio Partners LPApr 2017 · 7 co-filers Sio Partners LPApr 2016 · 7 co-filers Sio Partners Offshore, LtdApr 2016 · 9 co-filers Sio Partners Offshore, LtdApr 2015 · 7 co-filers SIO PARTNERS QP, LPApr 2015 · 7 co-filers Sio Partners LPApr 2015 · 7 co-filers

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