S & Co., Inc.
- Regulatory AUM
- $2.5B
- Discretionary
- $2.5B
- Clients
- 383
- Avg AUM / client
- $6.4M
- Accounts
- 383
- Employees
- 15
AUM over time
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) | 58 | $15.3M | 0.62% |
| High net worth individuals | 302 | $1.4B | 59.0% |
| Pooled investment vehicles (non-investment companies) | 6 | $821M | 33.4% |
| Charitable organizations | 17 | $170M | 6.92% |
Private funds (6)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $729M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| S & Co. Special Equity Fund, Llc | Other Private Fund | Delaware | $300M | 123 |
| S & Co. Health Sciences Fund, Llc | Other Private Fund | Delaware | $166M | 108 |
| S & Co. Investment Fund Iv, Llc | Other Private Fund | Delaware | $128M | 119 |
| S & Co. International Fund, Llc | Other Private Fund | Delaware | $86.7M | 117 |
| S & Co. Opportunity Fund, Llc | Other Private Fund | Delaware | $40.2M | 82 |
| S & Co Environmental Sustainability Fund | Other Private Fund | Delaware | $8.8M | 42 |
People (7)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Thompson, Neil, Lockwood | Director And Chairman | Jan 1996 (31y) | 10% – 25% | |
| George W Saltonstall | Vice Chairman Of The Board Of Directors | CFA | Jan 2011 (16y) | 5% – 10% |
| Megargel, Matthew, Edward | Director, Senior Vice President And Clerk | Jul 2014 (12y) | 10% – 25% | |
| Jeppson, George, Nathaniel | Director, President, Chief Compliance Officer | Jul 2016 (10y) | 10% – 25% | |
| Thompson, Jeffrey, L | Director, Vice President | Jan 2018 (9y) | 10% – 25% | |
| Quirk, Thomas, Vincent | Director And Senior Vice President | Oct 2019 (7y) | 10% – 25% | |
| Mccarthy, Brian, Farrell | Director, Vice President, Treasurer | Jan 2024 (3y) | 10% – 25% |
Undisclosed: 0% – 35% 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.
Private funds (6, $729M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| S & Co. Special Equity Fund, Llc | Other Private Fund | $300M | $0 | 123 |
| S & Co. Health Sciences Fund, Llc | Other Private Fund | $166M | $0 | 108 |
| S & Co. Investment Fund Iv, Llc | Other Private Fund | $128M | $0 | 119 |
| S & Co. International Fund, Llc | Other Private Fund | $86.7M | $0 | 117 |
| S & Co. Opportunity Fund, Llc | Other Private Fund | $40.2M | $0 | 82 |
| S & Co Environmental Sustainability Fund | Other Private Fund | $8.8M | $0 | 42 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 2.01 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
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
- • Selection of other advisers
- • Other services
Custody
Reported custodians
- Fiduciary Trust Company $2.4B (98% 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) ↗