Prime Quadrant Us, Llc
SEC-registered
Multi-Family Office · Small ($100M–$1B)
CRD 322068
· SEC file 801-126068
· Toronto
· www.linkedin.com
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ADV data as of Mar 23, 2026
- Regulatory AUM
- $849M
- Discretionary
- $0
- Clients
- 19
- Avg AUM / client
- $44.7M
- Accounts
- 19
- Employees
- 4
AUM over time
$0
$1.1B
Jun 2022
Dec 2025
Annual snapshots from Form ADV filings · as of Mar 23, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 19 | $849M | 100.0% |
People (4)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Doman, Andrew, Michael | Coo/Cfo | Oct 2022 (4y) | Less than 5% | |
| Lidsky, Yevgeniy, Mo | Ceo | Oct 2022 (4y) | Less than 5% | |
| Roth, Mark, Howard | Chief Risk Officer And Chief Compliance Officer | Oct 2022 (4y) | Less than 5% | |
| Jaques Clariond Gauna | Senior Adviser | CFA | Jul 2023 (3y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Focus Operating, Llc | Member (Manager) | Oct 2022 | 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 |
| Cd&R Ferdinand Holdings, L.P. | Partner | Aug 2023 | B | ≈ 15.82% – 75% via Ferdinand Ffp Ultimate Holdings, Lp |
| Clayton Dubilier & Rice Fund Xii, L.P. | Partner | Aug 2023 | B | ≈ 7.91% – 56.25% via Cd&R Ferdinand Holdings, L.P. |
| Cd&R Ferdinand Co Investor, L.P. | Partner | Aug 2023 | B | ≈ 3.96% – 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
- Cd&R Ferdinand Holdings, L.P.: 50% – 75% of 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 ≈ 15.82% – 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 Focus Financial Partners Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 7.91% – 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 Focus Financial Partners Inc. × 75% – 100% of Focus Financial Partners, Llc × 75% – 100% of Focus Operating, Llc × 75% – 100% direct ≈ 3.96% – 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.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/23/2026 | 1.05 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
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
- • Selection of other advisers
- • Educational seminars/workshops
Custody
Reported custodians
- Charles Schwab & Co. $299M (35% 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 23, 2026.
View current Form ADV (SEC/IAPD) ↗