Bank / Wealth / TrustRIA · CRD 167212SEC-RegisteredPrivate Fund Adviser

Updated:

First Long Island Investors

Founded in 1983, First Long Island Investors set up in Jericho as a wealth management firm targeting individuals and families on Long Island and the New York...

First Long Island Investors logo

First Long Island Investors

Founded in 1983, First Long Island Investors set up in Jericho as a wealth management firm targeting individuals and families on Long Island and the New York metropolitan periphery. The firm built its book around high-net-worth households and local business owners, operating as a fiduciary advisor through a period when independent registered investment advisors were far less common — it predates the RIA consolidation wave by a full generation. The investment approach blends public equity and fixed-income management with private market access, though the firm has not publicly disclosed a standardized asset-allocation model. Public records indicate a mix of directly managed securities portfolios alongside private placements into real estate and operating companies, typically structured through client-by-client discretion rather than commingled vehicles. The firm sources private opportunities through regional networks — local developers, family-run manufacturing exits, and Tri-State commercial property transactions — rather than through a centralized sourcing platform. There is no evidence of a venture capital or institutional co-investment program. First Long Island Investors has maintained a deliberately lean footprint. No additional offices have been opened beyond the Jericho headquarters, and the firm has publicly placed no growth-equity or acquisition announcements in trade press. Regulatory filings suggest a compact advisory team serving a client base concentrated in Nassau and Suffolk counties and Manhattan. In March 2023, the firm reported no material changes to its ownership or advisory structure, consistent with its established pattern of stability over expansion (per SEC filings, 2023). There are no known philanthropic foundations, adjacent vehicles, or club affiliations tied to the firm. Structurally, First Long Island Investors operates as a direct-relationship advisory practice — not a fund manager, not a multi-family-office platform, and not an institutional allocator. Every client account is individually advised, meaning the firm has not productized its investment strategy into a fund vehicle. That design limits scalability but keeps investment discretion tightly coupled to client circumstance, a posture that resistant to the standardization most wealth managers adopted in the 2010s. For peers evaluating distribution channels or mandate structures, the absence of a pooled vehicle is the defining architectural constraint.

General information

Firm type

Bank / Wealth / Trust

Year founded

1983

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Jericho

Corporate office

Jericho, NY, United States

Frequently asked questions

Who runs investment decisions at First Long Island Investors?

First Long Island Investors has not publicly named a chief investment officer or centralized investment committee. The firm structures advisory relationships around individual portfolio managers serving discrete client books, with investment decisions made at the advisor-client level within approved allocation frameworks.

Does First Long Island Investors participate in fund commitments or only direct deals?

The firm deploys capital predominantly through direct securities portfolios and private placements, not through third-party fund commitments. There is no indication of a fund-of-funds program or institutional limited partner activity. Private investments appear to be sourced on a deal-by-deal basis for qualified clients rather than through a blind-pool vehicle.

How does First Long Island Investors source private investment opportunities?

Private deal flow is sourced through regional relationships built over four decades — local developers, business owners seeking growth capital, and Tri-State commercial property transactions. The firm does not publicly operate a dedicated origination team or co-investment network, leaning instead on the principals' personal networks within Long Island and New York City.

Is First Long Island Investors structured as a family office or a traditional wealth manager?

First Long Island Investors is a registered investment advisor operating as a traditional wealth management firm, not a single-family or multi-family office. It serves multiple unrelated clients — including individuals, high-net-worth families, corporations, and charitable organizations — through a standard advisory model rather than a shared family-office services platform.

What is the minimum account size or client profile First Long Island Investors targets?

The firm has not published a stated minimum account size. Regulatory filings indicate a client base tilted toward high-net-worth individuals and local business owners, which typically implies relationship thresholds above mass-affluent levels, but no firm-documented floor exists in public record.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on registered investment advisers?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

Browse by category

More Jericho Bank / Wealth / Trust profiles