Obsidian Cio Llc
- Regulatory AUM
- $1.3B
- Discretionary
- $1.3B
- Clients
- 7
- Avg AUM / client
- $183M
- Accounts
- 7
- Employees
- 6
AUM over time
Annual snapshots from Form ADV filings · as of Jun 09, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Other investment advisers | 7 | $1.3B | 100.0% |
People (3)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Joseph Halpern | Managing Member, Chief Investment Officer | May 2017 (9y) | 25% – 50% | |
| Marc Bruce Rock | Member And Manager | Jun 2017 (9y) | 25% – 50% | |
| Scott Harris Silver | Member | Jun 2017 (9y) | 25% – 50% |
Undisclosed: 0% – 25% 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) | 06/09/2026 | 1.03 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
- • Other fees
- • PLATFORM FEES
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
- • Educational seminars/workshops
Custody
Reported custodians
- Charles Schwab & Co. $1.3B (98% 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 09, 2026.
View current Form ADV (SEC/IAPD) ↗