Investor · Grand Cayman, Cayman Islands

Warren Keens

Open Warren in the network graph →

Filings

1,095

SEC Form D

Connections

2,704

co-filers

Capital

$222.5B

across filings

Active

Feb 2014

to Dec 2025

Most-connected co-filers (2,704)

James M. Keyes · Hamilton, Bermuda252 shared Ian A. Pilgrim · Hamilton, Bermuda250 shared John Sutlic · Grand Cayman, Cayman Islands114 shared Two Sigma Advisers, LP · New York, NY77 shared Linburgh C. Martin · George Town, Grand Cayman, Cayman Islands74 shared Robert J. Meschi · George Town, Cayman Islands69 shared Leon Z. Rhule · George Town, Cayman Islands56 shared Two Sigma Investments, LP · New York, NY53 shared Christine A. Fletcher · Grand Cayman, Cayman Islands45 shared J. R. Tyler, Iii · RALEIGH, NC42 shared Howard J. Edelman · CHICAGO, IL42 shared Deanna J. Derrick · GRAND CAYMAN, Cayman Islands38 shared Mariana Bermudez · Vancouver, British Columbia, Canada35 shared Nick Demare · Vancouver, British Columbia, Canada34 shared Michael E. Edleson · Grand Cayman, Cayman Islands31 shared Mary S. Ludgin · CHICAGO, IL29 shared David Henstridge · Vancouver, British Columbia, Canada29 shared John Ho · Central, Hong Kong29 shared Lewis S. Ingall · CHICAGO, IL28 shared Richard Ruffer · New York, NY26 shared Glenn J. Hill · NEW YORK, NY26 shared Waterstone Capital Management, L.P · St. Louis Park, MN25 shared Brian K. Eden · Grand Cayman, Cayman Islands25 shared Jim Blumsom · Stamford, CT25 shared

Recent filings (1,095)

Survivor & Thriver Fund, LPMar 2026 PERSIS CORPFeb 2026 · 5 co-filers$999K PERSIS CORPFeb 2026 · 5 co-filers$999K Gopher US RE Opportunity Fund IV LLCFeb 2026 · 1 co-filer Two Sigma Mercury Cayman Fund, Ltd.Jan 2026 · 2 co-filers Two Sigma China Core Equity Cayman Fund, Ltd.Jan 2026 · 2 co-filers Two Sigma Spectrum Cayman Fund, Ltd.Jan 2026 · 2 co-filers Two Sigma Compass Enhanced Cayman Fund, Ltd.Jan 2026 · 2 co-filers Two Sigma Aurora Cayman Fund, Ltd.Dec 2025 · 3 co-filers Two Sigma Aurora Cayman Fund, Ltd.Dec 2025 · 3 co-filers Two Sigma World Core Cayman Fund, Ltd.Dec 2025 · 3 co-filers Two Sigma World Core Cayman Fund, Ltd.Dec 2025 · 3 co-filers Medalist Partners Asset-Based Private Credit Fund IV Offshore Feeder, L.P.Oct 2025 · 15 co-filers Medalist Partners Asset-Based Private Credit Fund IV Onshore Feeder, L.P.Oct 2025 · 15 co-filers U.S. Large Cap 130/30 Fund, LLCOct 2025 · 20 co-filers Two Sigma Active Extension U.S. All Cap Equity Cayman Fund, Ltd.Oct 2025 · 3 co-filers Two Sigma Active Extension U.S. All Cap Equity Cayman Fund, Ltd.Oct 2025 · 3 co-filers Two Sigma Absolute Return Enhanced Cayman Fund, Ltd.Aug 2025 · 3 co-filers Two Sigma Risk Premia Cayman Fund, Ltd.Aug 2025 · 3 co-filers Prime Liquidity Fund LLCAug 2025 · 10 co-filers Two Sigma Risk Premia Enhanced Cayman Fund, Ltd.Aug 2025 · 3 co-filers Two Sigma Active Extension U.S. All Cap Equity Beta Adjusted Cayman Fund, Ltd.Aug 2025 · 3 co-filers Prime Liquidity Fund LLCAug 2025 · 10 co-filers Two Sigma Risk Premia Cayman Fund, Ltd.Aug 2025 · 3 co-filers Two Sigma Active Extension U.S. All Cap Equity Beta Adjusted Cayman Fund, Ltd.Aug 2025 · 3 co-filers

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