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Accession number: N/A.","confidence":"secondary","dateOccurred":"2026-03-13","source":{"title":"SEC EDGAR: filing — Quantum Fund (2026-03-13)","url":"https://efts.sec.gov/LATEST/search-index?q=%22Quantum%20Fund%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q","publication":"SEC EDGAR"}}],"connections":[{"id":15871,"relationshipType":"financial intermediary","description":"Arabella Advisors has managed donor-advised funds for Soros-linked philanthropies, which were funded by Quantum Fund profits, directing money to progressive causes.","confidence":"inferential","firstDocumented":"2010","lastDocumented":null,"other":{"id":1007,"name":"Arabella Advisors","slug":"arabella-advisors","type":"company"}},{"id":15864,"relationshipType":"grant recipient / funding conduit","description":"Tides Foundation has received significant funding from Soros-linked entities, including foundations funded by Quantum Fund profits, serving as a fiscal sponsor for progressive 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