Joel Isaacson & Co., Llc
SEC-registered
Wealth Manager · Mid-sized ($1B–$10B)
CRD 152450
· SEC file 801-70880
· New York, NY
· twitter.com
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ADV data as of Mar 16, 2026
- Regulatory AUM
- $9.3B
- Discretionary
- $7.4B
- Clients
- 1,271
- Avg AUM / client
- $7.3M
- Accounts
- 5,532
- Employees
- 52
AUM over time
$1.7B
$9.3B
Dec 2011
Dec 2025
Annual snapshots from Form ADV filings · as of Mar 16, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 135 | $101M | 1.08% |
| High net worth individuals | 1,132 | $9.2B | 98.8% |
| Charitable organizations | 3 | $6.4M | 0.07% |
| Corporations and other businesses | 1 | $2.7M | 0.03% |
Retirement plan clients
Plans that reported this firm as an investment service provider on Form 5500 Schedule C.
| Plan | Location | Plan year |
|---|---|---|
| Orrick, Herrington & Sutcliffe Llp Retirement Plan Orrick, Herrington & Sutcliffe Llp | 2024 |
People (18)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Stanley Lawrence Altmark | Partner And Chief Compliance Officer | CFP | Nov 2009 (17y) | Less than 5% |
| Stein, Martin | Partner; Tax Director | Nov 2009 (17y) | Less than 5% | |
| Steinmetz, Lee | Partner; Tax Director | Nov 2009 (17y) | Less than 5% | |
| Robert Edward Paul | Partner | CFP | Mar 2012 (14y) | Less than 5% |
| David N Peltz | Chief Executive Officer, Partner, And Chief Investment Officer | CFP | Feb 2020 (7y) | Less than 5% |
| Joel Scott Isaacson | Chairman & Partner | Feb 2020 (7y) | Less than 5% | |
| Joshua Peltz | Registered representative | CFP | Jul 2021 (5y) | |
| Brian Cummins | Registered representative | CFP | Nov 2021 (5y) | |
| Hannah Woolley | Registered representative | CFP | Nov 2021 (5y) | |
| Ilan Asher Folman Cohen | Registered representative | CFP | Nov 2021 (5y) | |
| Michael Anthony Buccino | Registered representative | CFP | Nov 2021 (5y) | |
| Zachary Charles Mc Gill | Registered representative | CFP | Nov 2021 (5y) | |
| Stephanie Hensen | Registered representative | Nov 2021 (5y) | ||
| Ross Joseph Natoli | Registered representative | CFP | Nov 2021 (5y) | |
| Paige Mackenzie Rimer | Registered representative | CFP | Aug 2022 (4y) | |
| Gustavo Adolfo Peguero | Registered representative | CFP | Nov 2023 (3y) | |
| Mounia Mokdad | Registered representative | CFP | Jan 2026 (1y) | |
| Alexander Steven Facini | Registered representative | CFP | Jun 2026 (0y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Focus Operating, Llc | Member (Manager) | Nov 2009 | A | 75% or more |
| Focus Financial Partners, Llc | Member | Jan 2007 | B | ≈ 56.25% – 100% via Focus Operating, Llc |
| Focus Financial Partners, Inc. | Member | Jul 2018 | B | ≈ 42.19% – 100% via Focus Financial Partners, Llc |
| Ferdinand Ffp Acquisition, Llc | Shareholder, Class A Common Stock | Aug 2023 | B | ≈ 31.64% – 100% via Focus Financial Partners, Inc. |
| Ferdinand Ffp Ultimate Holdings, Lp | Shareholder, Class B Common Stock | Aug 2023 | B | ≈ 31.64% – 100% via Focus Financial Partners, Inc. |
| Ferdinand Ffp Intermediate Holdings, Llc | Member | Aug 2023 | B | ≈ 23.73% – 100% via Ferdinand Ffp Acquisition, Llc |
| Ferdinand Ffp Parent, Inc. | Member | Aug 2023 | B | ≈ 17.8% – 100% via Ferdinand Ffp Intermediate Holdings, Llc |
| Ferdinand Ffp Ultimate Holdings Lp | Shareholder | Aug 2023 | B | ≈ 13.35% – 100% via Ferdinand Ffp Parent, Inc. |
| Cd&R Ferdinand Holdings, L.P. | Partner | Aug 2023 | B | ≈ 6.67% – 75% via Ferdinand Ffp Ultimate Holdings Lp |
| Clayton Dubilier & Rice Fund Xii, L.P. | Partner | Aug 2023 | B | ≈ 3.34% – 56.25% via Cd&R Ferdinand Holdings, L.P. |
| Cd&R Ferdinand Co Investor, L.P. | Partner | Aug 2023 | B | ≈ 1.67% – 37.5% via Cd&R Ferdinand Holdings, L.P. |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Focus Financial Partners, Llc: 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 56.25% – 100% of the firm
- Focus Financial Partners, Inc.: 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 42.19% – 100% of the firm
- Ferdinand Ffp Acquisition, Llc: 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 31.64% – 100% of the firm
- Ferdinand Ffp Ultimate Holdings, Lp: 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 31.64% – 100% of the firm
- Ferdinand Ffp Intermediate Holdings, Llc: 75% – 100% of Ferdinand Ffp Acquisition, Llc × 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 23.73% – 100% of the firm
- Ferdinand Ffp Parent, Inc.: 75% – 100% of Ferdinand Ffp Intermediate Holdings, Llc × 75% – 100% of Ferdinand Ffp Acquisition, Llc × 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 17.8% – 100% of the firm
- Ferdinand Ffp Ultimate Holdings Lp: 75% – 100% of Ferdinand Ffp Parent, Inc. × 75% – 100% of Ferdinand Ffp Intermediate Holdings, Llc × 75% – 100% of Ferdinand Ffp Acquisition, Llc × 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 13.35% – 100% of the firm
- Cd&R Ferdinand Holdings, L.P.: 50% – 75% of Ferdinand Ffp Ultimate Holdings Lp × 75% – 100% of Ferdinand Ffp Parent, Inc. × 75% – 100% of Ferdinand Ffp Intermediate Holdings, Llc × 75% – 100% of Ferdinand Ffp Acquisition, Llc × 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 6.67% – 75% of the firm
- Clayton Dubilier & Rice Fund Xii, L.P.: 50% – 75% of Cd&R Ferdinand Holdings, L.P. × 50% – 75% of Ferdinand Ffp Ultimate Holdings Lp × 75% – 100% of Ferdinand Ffp Parent, Inc. × 75% – 100% of Ferdinand Ffp Intermediate Holdings, Llc × 75% – 100% of Ferdinand Ffp Acquisition, Llc × 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 3.34% – 56.25% of the firm
- Cd&R Ferdinand Co Investor, L.P.: 25% – 50% of Cd&R Ferdinand Holdings, L.P. × 50% – 75% of Ferdinand Ffp Ultimate Holdings Lp × 75% – 100% of Ferdinand Ffp Parent, Inc. × 75% – 100% of Ferdinand Ffp Intermediate Holdings, Llc × 75% – 100% of Ferdinand Ffp Acquisition, Llc × 75% – 100% of Focus Financial Partners, Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 1.67% – 37.5% 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.
Retirement plans served (1)
| Plan | Sponsor | Participants | Plan assets | As of |
|---|---|---|---|---|
| Orrick, Herrington & Sutcliffe Llp Retirement Plan | Orrick, Herrington & Sutcliffe Llp | 1,870 | $1.2B | 01/01/2024 |
From Form 5500 service-provider disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/16/2026 | 978 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
- • Hourly charges
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Selection of other advisers
- • Other services
Custody
Reported custodians
- Charles Schwab & Co. $9.3B (100% 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 16, 2026.
View current Form ADV (SEC/IAPD) ↗