Prospect Hill Management, Llc
- Regulatory AUM
- $257M
- Discretionary
- $257M
- Clients
- 39
- Avg AUM / client
- $6.6M
- Accounts
- 39
- Employees
- 2
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 25, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 2 | $174K | 0.07% |
| High net worth individuals | 35 | $209M | 81.6% |
| Pooled investment vehicles (non-investment companies) | 1 | $46.9M | 18.3% |
| Corporations and other businesses | 1 | $4.9K | 0.0% |
People (2)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| John Thomas Mccolgan | President And Chief Compliance Officer | Jul 2000 (26y) | 75% or more | |
| Mccolgan, James, William | Vice President | Jul 2000 (26y) | 10% – 25% |
Undisclosed: 0% – 15% 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)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/25/2026 | 898 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
- • Fixed fees
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
Custody
Reported custodians
- Charles Schwab & Co. $152M (59% of AUM) Mar 2026
- Morgan Stanley $74.9M (29% of AUM) Mar 2026
- Interactive Brokers $29.4M (11% of AUM) Mar 2026
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 25, 2026.
View current Form ADV (SEC/IAPD) ↗