First Long Island Investors, Llc
SEC-registered
Wealth Manager · Mid-sized ($1B–$10B)
CRD 167212
· SEC file 801-21607
· Jericho, NY
· www.linkedin.com
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ADV data as of Mar 31, 2026
- Regulatory AUM
- $1.9B
- Discretionary
- $1.9B
- Clients
- 546
- Avg AUM / client
- $3.4M
- Accounts
- 940
- Employees
- 24
AUM over time
$645M
$1.9B
Dec 2012
Dec 2025
Annual snapshots from Form ADV filings · as of Mar 31, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 170 | $57.8M | 3.11% |
| High net worth individuals | 325 | $1.1B | 60.1% |
| Pooled investment vehicles (non-investment companies) | 20 | $569M | 30.6% |
| Pension and profit sharing plans | 9 | $59.5M | 3.2% |
| Charitable organizations | 15 | $25.6M | 1.38% |
| Corporations and other businesses | 7 | $30.6M | 1.64% |
Private funds (11)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $505M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Fli Partners Fund, L.P. | Hedge Fund | Delaware | $205M | 91 |
| Fli Select Equity Fund, L.P. | Hedge Fund | Delaware | $103M | 64 |
| Fli Value Fund, L.P. | Hedge Fund | Delaware | $67.5M | 47 |
| Fli Growth Fund, L.P. | Hedge Fund | Delaware | $63.6M | 47 |
| Fli Select Equity Fund Ii, L.P. | Hedge Fund | Delaware | $43.9M | 32 |
| Fli Sterling Realty Finance Ii, Lp | Other Private Fund | Delaware | $15.7M | 37 |
| Fli Sterling Realty Finance Lp | Other Private Fund | Delaware | $3.9M | 41 |
| Fli Perosphere Fund, Lp | Private Equity Fund | Delaware | $1.4M | 41 |
| 1004 | Private Equity Fund | Delaware | $434K | 21 |
| 1003 | Real Estate Fund | Delaware | $187K | 16 |
| 1001 | Real Estate Fund | Delaware | $29.2K | 7 |
People (9)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Robert Daniel Rosenthal | Chief Executive Officer | Aug 1998 (28y) | ≈ 37.5% – 75% via First Long Island Investor Holdings, Inc. | |
| Ralph Francis Palleschi | President And Chief Operating Officer | Jun 1999 (27y) | ≈ 18.75% – 50% via First Long Island Investor Holdings, Inc. | |
| Brian Phillip Gamble | Senior Vice President Private Wealth Management | CFP | Aug 2021 (5y) | Less than 5% |
| Philip W Malakoff | Executive Managing Director And Director Of Research | Aug 2021 (5y) | Less than 5% | |
| Edward Charles Palleschi | Executive Managing Director | Sep 2021 (5y) | Less than 5% | |
| Juchem, Stephen, Joseph | Executive Vice President And Chief Financial Officer | Dec 2021 (5y) | Less than 5% | |
| Golub, Jonathan, Andrew | Senior Vice President, General Counsel, And Chief Compliance Officer | Jan 2023 (4y) | Less than 5% | |
| Wesley Xavier Llado | Registered representative | CFA | Sep 2021 (5y) | |
| Dylan Paul Klein | Registered representative | CFA | May 2023 (3y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| First Long Island Investor Holdings, Inc. | Member Class A Interests | Jul 2019 | A | 75% or more |
| Kudu Investment Us, Llc | Member Class I Interests | Dec 2019 | A | Less than 5% |
| Wm Regent Ltd. | Member | Oct 2020 | B | ≈ 0% – 5% via Kudu Investment Management Llc |
| White Mountains Insurance Group, Ltd. | Shareholder | Oct 2020 | B | ≈ 0% – 5% via Bridge Holdings (Bermuda) Ltd. |
| Kudu Investment Holdings, Llc | Member | Dec 2019 | B | ≈ 0% – 5% via Kudu Investment Us, Llc |
| Kudu Investment Management Llc | Member | Dec 2019 | B | ≈ 0% – 5% via Kudu Investment Holdings, Llc |
| Wm International Holdings Ltd. | Shareholder | Oct 2020 | B | ≈ 0% – 5% via Wm Regent Ltd. |
| Bridge Holdings (Bermuda) Ltd. | Shareholder | Oct 2020 | B | ≈ 0% – 5% via Wm International Holdings Ltd. |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Robert Daniel Rosenthal: 50% – 75% of First Long Island Investor Holdings, Inc. × 75% – 100% direct ≈ 37.5% – 75% of the firm
- Ralph Francis Palleschi: 25% – 50% of First Long Island Investor Holdings, Inc. × 75% – 100% direct ≈ 18.75% – 50% of the firm
- Wm Regent Ltd.: 75% – 100% of Kudu Investment Management Llc × 75% – 100% of Kudu Investment Holdings, Llc × 75% – 100% of Kudu Investment Us, Llc × 0% – 5% direct ≈ 0% – 5% of the firm
- White Mountains Insurance Group, Ltd.: 75% – 100% of Bridge Holdings (Bermuda) Ltd. × 75% – 100% of Wm International Holdings Ltd. × 75% – 100% of Wm Regent Ltd. × 75% – 100% of Kudu Investment Management Llc × 75% – 100% of Kudu Investment Holdings, Llc × 75% – 100% of Kudu Investment Us, Llc × 0% – 5% direct ≈ 0% – 5% of the firm
- Kudu Investment Holdings, Llc: 75% – 100% of Kudu Investment Us, Llc × 0% – 5% direct ≈ 0% – 5% of the firm
- Kudu Investment Management Llc: 75% – 100% of Kudu Investment Holdings, Llc × 75% – 100% of Kudu Investment Us, Llc × 0% – 5% direct ≈ 0% – 5% of the firm
- Wm International Holdings Ltd.: 75% – 100% of Wm Regent Ltd. × 75% – 100% of Kudu Investment Management Llc × 75% – 100% of Kudu Investment Holdings, Llc × 75% – 100% of Kudu Investment Us, Llc × 0% – 5% direct ≈ 0% – 5% of the firm
- Bridge Holdings (Bermuda) Ltd.: 75% – 100% of Wm International Holdings Ltd. × 75% – 100% of Wm Regent Ltd. × 75% – 100% of Kudu Investment Management Llc × 75% – 100% of Kudu Investment Holdings, Llc × 75% – 100% of Kudu Investment Us, Llc × 0% – 5% direct ≈ 0% – 5% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Private funds (11, $505M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Fli Partners Fund, L.P. | Hedge Fund | $205M | $250K | 91 |
| Fli Select Equity Fund, L.P. | Hedge Fund | $103M | $250K | 64 |
| Fli Value Fund, L.P. | Hedge Fund | $67.5M | $250K | 47 |
| Fli Growth Fund, L.P. | Hedge Fund | $63.6M | $250K | 47 |
| Fli Select Equity Fund Ii, L.P. | Hedge Fund | $43.9M | $250K | 32 |
| Fli Sterling Realty Finance Ii, Lp | Other Private Fund | $15.7M | $250K | 37 |
| Fli Sterling Realty Finance Lp | Other Private Fund | $3.9M | $250K | 41 |
| Fli Perosphere Fund, Lp | Private Equity Fund | $1.4M | $30.0K | 41 |
| 1004 | Private Equity Fund | $434K | $100K | 21 |
| 1003 | Real Estate Fund | $187K | $100K | 16 |
| 1001 | Real Estate Fund | $29.2K | $250K | 7 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 3.08 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Fixed fees
- • Performance-based fees
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
- • Publication of periodicals or newsletters
- • Educational seminars/workshops
- • Other services
Custody
Reported custodians
- UBS $1.3B (71% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 31, 2026.
View current Form ADV (SEC/IAPD) ↗