AUMdb

Four Tree Island Advisory Llc

SEC-registered Wealth Manager · Small ($100M–$1B) CRD 158851 · SEC file 801-129929 · Portsmouth, NH · WWW.FOURTREEISLANDADVISORY.COM
☆ Save with Pro ADV data as of Mar 02, 2026
Regulatory AUM
$182M
Discretionary
$182M
Clients
54
Avg AUM / client
$3.4M
Accounts
136
Employees
2

AUM over time

$123M $182M
Dec 2023 Dec 2025

Annual snapshots from Form ADV filings · as of Mar 02, 2026

Who they serve

Client typeClientsAUM% of AUM
Individuals (non-high net worth) 18 $10.0M 5.52%
High net worth individuals 35 $163M 89.7%
Pooled investment vehicles (non-investment companies) 1 $1.9M 1.03%
Insurance companies Fewer than 5 clients $6.9M 3.8%

People (2)

roster as of Jul 20, 2026
NameRole / titleCredentialsWith firm sinceOwnership
Eric James Gregg Owner/Principal Sep 2010 (16y) 75% or more
Philbrick, Jennifer, Ann Chief Compliance Officer Jan 2014 (13y) Less than 5%

Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.

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.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/02/2026 908 KB 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

Services

  • Portfolio management for individuals/small businesses
  • Portfolio management for businesses/institutional clients

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports it does not have 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 02, 2026.

View current Form ADV (SEC/IAPD) ↗