Astra Ventures Investment Partners Llc
- Regulatory AUM
- $180M
- Discretionary
- $180M
- Clients
- 52
- Avg AUM / client
- $3.5M
- Accounts
- 52
- Employees
- 2
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Apr 15, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 10 | $20.2M | 11.2% |
| High net worth individuals | 40 | $100M | 55.8% |
| Pooled investment vehicles (non-investment companies) | 2 | $59.2M | 33.0% |
Private funds (1)
Reported in Form ADV Section 7.B.(1), filing of Jun 2024 · $42.9M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Mag Cap Private Equity Access Fund I, Llc | Private Equity Fund | Delaware | $42.9M | 55 |
People (2)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Stephen Christopher Buehler | Founder & Ceo | Oct 2018 (8y) | ≈ 56.25% – 100% via Astra Ventures Investment Holdings Llc | |
| Charles Edgar Lalanne | Chief Investment Officer | Jan 2021 (6y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Astra Ventures Investment Holdings Llc | Member | Oct 2018 | 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):
- Stephen Christopher Buehler: 75% – 100% of Astra Ventures Investment Holdings Llc × 75% – 100% direct ≈ 56.25% – 100% 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.
Private funds (1, $42.9M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Mag Cap Private Equity Access Fund I, Llc | Private Equity Fund | $42.9M | $250K | 55 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 04/15/2026 | 1.22 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
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Reported custodians
- Charles Schwab & Co. $76.9M (43% of AUM) Apr 2026
- Interactive Brokers $7.6M (4% of AUM) Apr 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: Apr 15, 2026.
View current Form ADV (SEC/IAPD) ↗