Investor · Grand Cayman, Cayman Islands

Carl W. O'Sullivan

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Filings

88

SEC Form D

Connections

138

co-filers

Capital

$63.1B

across filings

Active

Jun 2018

to Apr 2025

Most-connected co-filers (138)

Letitia D. Solomon · Grand Cayman, Cayman Islands75 shared Anthony E. Ryan · Grand Cayman, Cayman Islands64 shared Susan Oh · Denver, CO48 shared Michael S. Trachtenberg · Philadelphia, PA43 shared Ryan Montecucco · Poulsbo, WA43 shared Bell, Iii B. Caleb · San Francisco, CA41 shared Limited Partnership Trust Arrowstreet Capital · Boston, MA37 shared Limited Partnership Arrowstreet Capital · Boston, MA29 shared Masahiro Koshiba · Minato-ku, Tokyo, M016 shared Theodore A. Wiley · Somerville, MA16 shared Yet-Ming Chiang · Cambridge, MA16 shared Priscilla K. Balgobin-Bhoyrul · GRAND CAYMAN, Cayman Islands16 shared Fergus Healy · New York, NY16 shared Wallace Varga · Boston, MA16 shared Nicholas Barnes · Spokane, WA9 shared Gabriel Kra · PALO ALTO, CA7 shared Daniel Adamson · New York, NY7 shared Craig M. Faggen · Los Angeles, CA7 shared John S. Wagner · Dallas, TX7 shared Carl J. Smith · Coral Springs, FL6 shared William R. Bandy · Baltimore, MD6 shared Scott Schroeder · Chicago, IL6 shared Jeff S. Abrams · Santa Monica, CA5 shared David Michael · Tampa, FL5 shared

Recent filings (88)

Arrowstreet Capital Exeter Fund LtdDec 2025 · 11 co-filers Arrowstreet Capital Exeter Fund (Feeder) LtdDec 2025 · 11 co-filers Arrowstreet Capital Exeter Fund LtdDec 2025 · 11 co-filers Arrowstreet Capital Exeter Fund (Feeder) LtdDec 2025 · 11 co-filers Geotechnical Management Aggregator, LLCDec 2025 · 11 co-filers Geotechnical Management Aggregator, LLCNov 2025 · 11 co-filers$8.8M Piraeus Medical, Inc.Nov 2025 · 14 co-filers$2.2M Piraeus Medical, Inc.Sep 2025 · 14 co-filers$300K Thaiwala IncJun 2025 · 5 co-filers$2.0M Arrowstreet Capital Global Equity Long/Short Greenway Fund LtdApr 2025 · 10 co-filers Arrowstreet Capital Copley Fund LtdApr 2025 · 7 co-filers Arrowstreet Developed Markets Alpha Extension Fund (Cayman) LtdApr 2025 · 7 co-filers Arrowstreet Capital Copley Fund (Feeder) LtdApr 2025 · 7 co-filers Arrowstreet Capital Newbury Fund LtdApr 2025 · 7 co-filers Arrowstreet Capital Global Equity Alpha Extension Fund LtdApr 2025 · 9 co-filers Arrowstreet Capital Global Equity Long/Short Fund (Feeder) LtdApr 2025 · 8 co-filers Arrowstreet Capital Global All Country Alpha Extension Fund (Cayman) LtdApr 2025 · 7 co-filers Arrowstreet ACWI Alpha Extension Fund III (Cayman) LtdApr 2025 · 9 co-filers Arrowstreet World Small Cap Equity Alpha Extension Fund (Cayman) LtdApr 2025 · 9 co-filers Arrowstreet ACWI Alpha Extension Fund V (Cayman) LtdApr 2025 · 7 co-filers Arrowstreet Developed Markets Alpha Extension Fund (Cayman) LtdJan 2025 · 7 co-filers Arrowstreet Capital Newbury Fund LtdJun 2024 · 7 co-filers Arrowstreet Capital Copley Fund (Feeder) LtdJun 2024 · 7 co-filers Arrowstreet ACWI Alpha Extension Fund III (Cayman) LtdApr 2024 · 9 co-filers Arrowstreet World Small Cap Equity Alpha Extension Fund (Cayman) LtdApr 2024 · 9 co-filers

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