AUMdb

Obsidian Cio Llc

SEC-registered Investment Adviser · Mid-sized ($1B–$10B) CRD 289000 · SEC file 801-110874 · New York, NY · www.linkedin.com
☆ Save with Pro ADV data as of Jun 09, 2026
Regulatory AUM
$1.3B
Discretionary
$1.3B
Clients
7
Avg AUM / client
$183M
Accounts
7
Employees
6

AUM over time

$0 $1.3B
Jun 2017 Jun 2026

Annual snapshots from Form ADV filings · as of Jun 09, 2026

Who they serve

Client typeClientsAUM% of AUM
Other investment advisers 7 $1.3B 100.0%

People (3)

roster as of Jul 20, 2026
NameRole / titleCredentialsWith firm sinceOwnership
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)

FormPeriodSize
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

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) ↗