Weatherhelm Capital Management Llc
- Regulatory AUM
- $90.6M
- Discretionary
- $87.5M
- Clients
- 77
- Avg AUM / client
- $1.2M
- Accounts
- 211
- Employees
- 4
AUM over time
Annual snapshots from Form ADV filings · as of Mar 18, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 65 | $17.8M | 19.7% |
| High net worth individuals | 12 | $70.8M | 78.1% |
| Pension and profit sharing plans | Fewer than 5 clients | $924K | 1.02% |
| Corporations and other businesses | 0 | $1.1M | 1.24% |
People (3)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Jason Clark Kastner | Member & Chief Compliance Officer | Mar 2021 (5y) | ≈ 37.5% – 75% via Weatherhelm Holdings, Llc | |
| Kastner, Lynn, Marie | Director | Jul 2023 (3y) | ≈ 37.5% – 75% via Weatherhelm Holdings, Llc | |
| Ryan Richard Benoit | Registered representative | Mar 2026 (0y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Weatherhelm Holdings, Llc | Holding Company & Managing Member | Jul 2023 | A | 75% or more |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Jason Clark Kastner: 50% – 75% of Weatherhelm Holdings, Llc × 75% – 100% direct ≈ 37.5% – 75% of the firm
- Kastner, Lynn, Marie: 50% – 75% of Weatherhelm Holdings, Llc × 75% – 100% direct ≈ 37.5% – 75% 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) | 03/18/2026 | 942 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
- • Performance-based fees
Services
- • Portfolio management for individuals/small businesses
- • Pension consulting services
- • Selection of other advisers
Custody
Reported custodians
- Interactive Brokers $90.5M (100% 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 18, 2026.
View current Form ADV (SEC/IAPD) ↗