# First Long Island Investors, LLC

> First Long Island Investors, LLC is an SEC-registered investment advisory firm in Jericho, NY, registered since 1984, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 31, 2026.

- CRD: 167212
- Filed as: FIRST LONG ISLAND INVESTORS, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Jericho, NY
- Filing period: October 2026
- Form ADV filing dated: March 31, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/167212
- AdvisorCensus page: https://advisorcensus.com/firm/first-long-island-investors-llc-jericho-ny-167212

## Quick answers

**How is First Long Island Investors, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), First Long Island Investors, LLC reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees); performance-based fees.

**Where is First Long Island Investors, LLC located?**
First Long Island Investors, LLC's principal office is in Jericho, NY, according to its Form ADV.

**Is First Long Island Investors, LLC registered with the SEC or a state?**
First Long Island Investors, LLC is an SEC-registered investment advisory firm, registered since 1984. Status as filed: Approved. CRD 167212.

**How much does First Long Island Investors, LLC manage?**
First Long Island Investors, LLC reports $1,861,290,657 in regulatory assets under management in its Form ADV filing dated March 31, 2026 (100% discretionary).

**How have First Long Island Investors, LLC's assets and staff changed since 2021?**
In the Form ADV data for First Long Island Investors, LLC: Regulatory assets under management: $1,476,669,849 in the October 2021 data and $1,861,290,657 in the October 2026 data, up 26%. Total employees: 20 in October 2021 and 24 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does First Long Island Investors, LLC serve?**
By number of clients on Form ADV Item 5.D: high net worth individuals (325); individuals (other than high net worth individuals) (170); pooled investment vehicles (other than investment companies and business development companies) (20).

**Which custodians does First Long Island Investors, LLC use?**
First Long Island Investors, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists UBS Financial Services Inc. as a custodian holding 10% or more of its separately managed account assets.

**Does First Long Island Investors, LLC report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/167212

**Does First Long Island Investors, LLC state an account minimum?**
Its Form ADV Part 2A brochure dated March 31, 2026 says: "Clients generally must have a minimum of $5,000,000 in assets under management at the inception of the relationship."

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Fixed fees (other than subscription fees)
- Performance-based fees

### Fees and minimums (Form ADV Part 2A brochure dated March 31, 2026)

- Account minimum: $5,000,000

> Clients generally must have a minimum of $5,000,000 in assets under management at the inception of the relationship.

As stated in the firm's brochure. Fees can differ by service and may be negotiable.

### Custodians (Schedule D, Section 5.K(3))
- UBS Financial Services Inc.

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

### Regulatory assets under management (Item 5.F)
- Total: $1,861,290,657
- Discretionary: $1,861,290,657
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 170 | $57,800,820 |
| High net worth individuals | 325 | $1,118,965,364 |
| Banking or thrift institutions | 0 | $0 |
| Investment companies | 0 | $0 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 20 | $568,803,189 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 9 | $59,469,064 |
| Charitable organizations | 15 | $25,645,739 |
| State or municipal government entities (including government pension plans) | 0 | $0 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 0 | $0 |
| Sovereign wealth funds and foreign official institutions | 0 | $0 |
| Corporations or other businesses not listed above | 7 | $30,606,481 |
| Other | 0 | $0 |

### Advisory services (Item 5.G)
- Portfolio management for individuals and/or small businesses
- Portfolio management for pooled investment vehicles (other than investment companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
- Selection of other advisers (including private fund managers)
- Publication of periodicals or newsletters
- Educational seminars/workshops
- Other

### Firm details
- Registered since: 1984 (42 years)
- Employees: 24 total, 8 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: CA, CT, FL, NH, NJ, NY, TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- [fliinvestors.com](https://fliinvestors.com)
- LinkedIn @first-long-island-investors-llc
- YouTube @firstlongislandinvestorsll5735

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $1,476,669,849 | 20 | September 30, 2021 |
| October 2022 | $1,744,558,902 | 21 | March 30, 2022 |
| October 2023 | $1,348,706,257 | 25 | March 30, 2023 |
| October 2024 | $1,545,821,993 | 26 | March 28, 2024 |
| October 2025 | $1,708,156,301 | 24 | March 31, 2025 |
| October 2026 | $1,861,290,657 | 24 | March 31, 2026 |

Regulatory assets under management: $1,476,669,849 in the October 2021 data and $1,861,290,657 in the October 2026 data, up 26%.
Total employees: 20 in October 2021 and 24 in October 2026.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. First Long Island Investors, LLC (CRD 167212): Form ADV filing data as of October 2026.
