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First Long Island Investors, LLC
First Long Island Investors, LLC is a boutique wealth management firm headquartered in Jericho, New York. The firm was founded in 1983 by Robert D. Rosenthal and Ralph F. Palleschi, originally as a predecessor corporation, and now operates as an SEC-registered investment adviser. It provides comprehensive investment and financial services, including money management and planning, to high net worth individuals, corporations, pension and profit-sharing plans, pooled investment vehicles, and charitable organizations. The firm is dedicated to individualized, long-term wealth management with a focus on asset preservation and growth. As of March 2025, it manages approximately $1.2 billion in assets and maintains a service-driven culture with a client-focused approach.
Investment Strategy
First Long Island Investors, LLC employs a long-term wealth management approach centered on individualized asset allocation and prudent investment selection. Their philosophy emphasizes diversification among various asset classes, including equities, fixed income, and alternative investments, to balance preservation and growth of client assets. The firm develops customized portfolios to meet the distinct needs of high net worth clients and institutional investors, aiming for sustainable value creation through disciplined, research-driven decision-making. The firm does not invest through underlying managers for certain partnerships and charges fees based on advised capital contributions.
Latest 13F Filing Activity
First Long Island Investors, LLC filed their most recent 13F report on Jun 30, 2025 disclosing 64 equity positions with a total 13F market value of $1B. The fund increased holdings in Microsoft Corp. Com, Broadcom LTD SGD, Nvidia Corporation Com among other positions. First Long Island Investors, LLC reduced exposure to Unitedhealth Group Inc. Com, Apple Inc. Com, Constellation Brands CL A among others.
Top Holdings
Equity Positions (64)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
M MSFT | MICROSOFT CORP COM | 6.24% | $79.5M | 159,863 | $65.24 | $497.41 | +$19.4M |
A AMZN | AMAZON COM INC COM | 4.99% | $63.6M | 289,848 | $45.12 | $219.39 | +$8.7M |
A ADP | AUTOMATIC DATA PROCESSING INC | 4.81% | $61.3M | 198,748 | $143.33 | $308.40 | +$397.8K |
N NVDA | NVIDIA CORPORATION COM | 4.63% | $59.0M | 373,492 | $17.85 | $157.99 | +$17.2M |
A ABT | ABBOTT LABS COM | 4.54% | $57.9M | 425,620 | $74.40 | $136.01 | +$1.3M |
Industry Allocation
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