First Long Island Investors is a wealth manager based in Jericho, United States, founded in 1983. Verified contact details, AUM data, and investment preferences on FindLPs.
First Long Island Investors is a wealth manager based in Jericho, US. Founded in 1983. Reported AUM: 1745 USD millions.
Preferred geographies: North America
Location: One Jericho Plaza Suite 201
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LP firm data compiled from public regulatory filings (SEC Form ADV, FCA, AIFMD disclosures), company websites and press releases, LinkedIn public profiles, and verified outbound email testing. AUM figures reflect self-reported values from filings and may lag by 1–2 fiscal quarters; bands are normalized in USD. We do not publish personal residential information; firms or individuals may request removal at /contact. Methodology & sources · Updated July 2026.