Quabbin Advisors, Llc
- Regulatory AUM
- $110M
- Discretionary
- $0
- Clients
- 47
- Avg AUM / client
- $2.3M
- Accounts
- 211
- Employees
- 1
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Jun 04, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 11 | $5.0M | 4.58% |
| High net worth individuals | 36 | $105M | 95.4% |
People (1)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Megan Aileen Donnelly | Registered representative | CFP Chartered Financial Consultant | Jan 2012 (15y) |
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) | 06/04/2026 | 1.18 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
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
Custody
Reported custodians
- Charles Schwab & Co. $101M (92% of AUM) Jun 2026
- Tiaa Cref Individual & Institutional Services, Llc $8.9M (8% of AUM) Jun 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: Jun 04, 2026.
View current Form ADV (SEC/IAPD) ↗