ONEX PARTNERS MANAGER LP
AUM Over Time
Discretionary
Non-Discretionary
At a Glance
| Total AUM | $22.47B |
| Discretionary | $22.47B100% of AUM |
| Client Accounts | 35 |
| Avg Account Size | $642.1M |
| Employees | 180 |
| Peak AUM | $22.47BMar 2026 |
| AUM CAGR | +5.8% /yrover 14 yrs · 25 filings |
Firm Change Matrix
| Metric | Latest | 1Y | 3Y CAGR | 5Y CAGR | Trend |
|---|---|---|---|---|---|
Firm Scale | |||||
| Total AUM | $22.5B | +8.9% | +5.3% | +4.8% | |
| Discretionary AUM | |||||
Key Metrics
| Total AUM | $22.47B |
| Discretionary | $22.47B |
| Employees | 180 |
| Client Accounts | 35 |
Contact & Location
Address
161 BAY STREET
TORONTO M5J 2S1
Canada
Phone
416-362-7711
Filing History
25 ADV Part 1 submissions
Fee Structure
% of AUMPerformance Fees
Advisory Services
Portfolio Mgmt (Institutional)
Growth
AUM Growth Rate (Annualized YoY %)
Firm Profile
Normalized 0–100 scores across six dimensions.
Discretionary vs Non-Discretionary
Discretionary
$22.5B
100.0% of AUM
Non-Discretionary
$0
0.0% of AUM
Disc. mix ▲ 0.0pp vs 1 year ago
Discretionary
Non-Discretionary
Average Account Size
AUM per Employee
Headcount Over Time
Total Employees
Advisory Staff
Clients
Client Account Growth
Total Accounts
Discretionary
Non-Discretionary
Clients by Type (Latest)
Client Type Mix Over Time
Pooled Vehicles
Risk & Structure
Regulatory Disclosures
✓ Clean RecordNo regulatory disclosures
Custody
Bank CustodyBroker-Dealer Custody
Related Entities (Item 7)
Investment AdviserLaw Firm