3 I Corporation
- Regulatory AUM
- $2.7B
- Discretionary
- $556M
- Clients
- 9
- Avg AUM / client
- $300M
- Accounts
- 9
- Employees
- 27
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Jun 29, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 8 | $566M | 21.0% |
| Other investment advisers | 1 | $2.1B | 79.0% |
Private funds (8)
Reported in Form ADV Section 7.B.(1), filing of Jun 2024 · $526M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| 3 I North American Infrastructure Fund B Lp | Private Equity Fund | Delaware | $224M | 7 |
| 3 I Rr Coinvest Lp | Private Equity Fund | Delaware | $136M | 4 |
| 3 I North American Infrastructure Fund C Lp | Private Equity Fund | Delaware | $89.6M | 4 |
| 3 I Mme Coinvest Lp | Private Equity Fund | Delaware | $40.7M | 4 |
| 3 I Ecw Coinvest Lp | Private Equity Fund | Delaware | $19.2M | 1 |
| North American Infrastructure Carry And Coinvest Lp | Private Equity Fund | Delaware | $6.6M | 1 |
| Pe 2019 22 Co Invest Lp | Private Equity Fund | United Kingdom | $5.5M | 49 |
| Pe 2016 19 Co Invest Lp | Private Equity Fund | United Kingdom | $4.8M | 48 |
People (5)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Decesare, John, Paul | Chief Compliance Officer | Mar 2012 (14y) | Less than 5% | |
| Relyea, Richard, Vaurie | Treasurer | Sep 2015 (11y) | Less than 5% | |
| Krause, Benjamin, Daniel | Director | Feb 2017 (10y) | Less than 5% | |
| Collins, Robert, K | Director | Apr 2017 (9y) | Less than 5% | |
| Halai, Jasi, Hari | Director | Apr 2019 (7y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| 3 I Holdings Plc | Shareholder | Feb 2018 | A | 75% or more |
| 3 I Group Plc | Shareholder, Common Stock | Mar 1991 | B | ≈ 56.25% – 100% via 3 I Holdings Plc |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- 3 I Group Plc: 75% – 100% of 3 I Holdings Plc × 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 (8, $526M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| 3 I North American Infrastructure Fund B Lp | Private Equity Fund | $224M | $10.0M | 7 |
| 3 I Rr Coinvest Lp | Private Equity Fund | $136M | $1 | 4 |
| 3 I North American Infrastructure Fund C Lp | Private Equity Fund | $89.6M | $10.0M | 4 |
| 3 I Mme Coinvest Lp | Private Equity Fund | $40.7M | $1 | 4 |
| 3 I Ecw Coinvest Lp | Private Equity Fund | $19.2M | $1 | 1 |
| North American Infrastructure Carry And Coinvest Lp | Private Equity Fund | $6.6M | $1 | 1 |
| Pe 2019 22 Co Invest Lp | Private Equity Fund | $5.5M | $1 | 49 |
| Pe 2016 19 Co Invest Lp | Private Equity Fund | $4.8M | $1 | 48 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 06/29/2026 | 2.94 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
- • Fixed fees
- • Performance-based fees
Services
- • Portfolio management for pooled investment vehicles
Custody
Firm reports having custody of client funds or securities (Item 9.A).
No custodian data reported or mined yet.
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Jun 29, 2026.
View current Form ADV (SEC/IAPD) ↗