Basalt Infrastructure Partners Llp
SEC-registered
Private Fund Manager · Mid-sized ($1B–$10B)
CRD 161881
· SEC file 801-77239
· London
· uk.linkedin.com
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ADV data as of Mar 31, 2026
- Regulatory AUM
- $9.6B
- Discretionary
- $9.6B
- Clients
- 33
- Avg AUM / client
- $291M
- Accounts
- 33
- Employees
- 26
AUM over time
$308M
$9.6B
Dec 2012
Dec 2025
Annual snapshots from Form ADV filings · as of Mar 31, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 33 | $9.6B | 100.0% |
Private funds (21)
View all →Reported in Form ADV Section 7.B.(1), filing of Sep 2024 · $5.1B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Basalt Infrastructure Partners Iii A L.P. | Private Equity Fund | United Kingdom | $886M | 18 |
| Basalt Infrastructure Partners Ii C L.P. | Private Equity Fund | United Kingdom | $667M | 39 |
| Basalt Infrastructure Partners Iii C L.P. | Private Equity Fund | United Kingdom | $647M | 33 |
| Basalt Infrastructure Partners Iii D L.P. | Private Equity Fund | United Kingdom | $561M | 8 |
| Basalt Infrastructure Partners Iii B L.P. | Private Equity Fund | United Kingdom | $551M | 15 |
| Bip Iii Ride Co Investment L.P. | Private Equity Fund | United Kingdom | $498M | 32 |
| Basalt Infrastructure Partners Iv A L.P. | Private Equity Fund | United Kingdom | $407M | 20 |
| Basalt Infrastructure Partners Ii A L.P. | Private Equity Fund | United Kingdom | $288M | 14 |
| Basalt Infrastructure Partners Iv C L.P. | Private Equity Fund | United Kingdom | $180M | 30 |
| Basalt Infrastructure Partners Iv D L.P. | Private Equity Fund | United Kingdom | $91.2M | 9 |
| Basalt Infrastructure Partners Lp | Private Equity Fund | United Kingdom | $75.5M | 18 |
| Basalt Infrastructure Partners Ii D L.P. | Private Equity Fund | United Kingdom | $64.6M | 3 |
| Bip Iii A Project Mars Aiv (Ii) L.P. | Private Equity Fund | United Kingdom | $51.3M | 14 |
| Project Hyperion Aiv, L.P. master | Private Equity Fund | Delaware | $49.3M | 18 |
| Basalt Infrastructure Partners Iv B L.P. | Private Equity Fund | United Kingdom | $42.8M | 9 |
People (8)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Hennick, Jay | Owner | Aug 2007 (19y) | ≈ 10.55% – 50% via Henset Capital, Inc. | |
| Cowell, Michael, John | Chief Operating Officer And Member | Apr 2011 (15y) | Less than 5% | |
| Gregor, Robert, John | Managing Partner And Member | Apr 2011 (15y) | 10% – 25% | |
| Lowry, Steven | Member, Chief Investment Officer | Apr 2011 (15y) | 10% – 25% | |
| Greenblatt, David, Scott | Member | Jul 2022 (4y) | Less than 5% | |
| Hanna, Holt, William John | Member | Jul 2022 (4y) | Less than 5% | |
| Jones, Wil | Member | Oct 2022 (4y) | Less than 5% | |
| O'neill, Thomas, William | Chief Compliance Officer | Jan 2023 (4y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Colliers Investment Management Holdings Uk Ltd | Owner | Jun 2022 | A | 75% or more |
| Colliers International Group Inc. | Owner | Dec 2021 | B | ≈ 56.25% – 100% via Colliers Investment Management Holdings Uk Ltd |
| Henset Capital, Inc. | Owner | May 1989 | B | ≈ 14.06% – 50% via Colliers International Group Inc. |
Undisclosed: 0% – 5% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Hennick, Jay: 75% – 100% of Henset Capital, Inc. × 25% – 50% of Colliers International Group Inc. × 75% – 100% of Colliers Investment Management Holdings Uk Ltd × 75% – 100% direct ≈ 10.55% – 50% of the firm
- Colliers International Group Inc.: 75% – 100% of Colliers Investment Management Holdings Uk Ltd × 75% – 100% direct ≈ 56.25% – 100% of the firm
- Henset Capital, Inc.: 25% – 50% of Colliers International Group Inc. × 75% – 100% of Colliers Investment Management Holdings Uk Ltd × 75% – 100% direct ≈ 14.06% – 50% 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 (21, $5.1B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Basalt Infrastructure Partners Iii A L.P. | Private Equity Fund | $886M | $10.0M | 18 |
| Basalt Infrastructure Partners Ii C L.P. | Private Equity Fund | $667M | $10.0M | 39 |
| Basalt Infrastructure Partners Iii C L.P. | Private Equity Fund | $647M | $10.0M | 33 |
| Basalt Infrastructure Partners Iii D L.P. | Private Equity Fund | $561M | $10.0M | 8 |
| Basalt Infrastructure Partners Iii B L.P. | Private Equity Fund | $551M | $10.0M | 15 |
| Bip Iii Ride Co Investment L.P. | Private Equity Fund | $498M | $10.0M | 32 |
| Basalt Infrastructure Partners Iv A L.P. | Private Equity Fund | $407M | $10.0M | 20 |
| Basalt Infrastructure Partners Ii A L.P. | Private Equity Fund | $288M | $10.0M | 14 |
| Basalt Infrastructure Partners Iv C L.P. | Private Equity Fund | $180M | $10.0M | 30 |
| Basalt Infrastructure Partners Iv D L.P. | Private Equity Fund | $91.2M | $10.0M | 9 |
| Basalt Infrastructure Partners Lp | Private Equity Fund | $75.5M | $10.0M | 18 |
| Basalt Infrastructure Partners Ii D L.P. | Private Equity Fund | $64.6M | $10.0M | 3 |
| Bip Iii A Project Mars Aiv (Ii) L.P. | Private Equity Fund | $51.3M | $10.0M | 14 |
| Project Hyperion Aiv, L.P. | Private Equity Fund | $49.3M | $10.0M | 18 |
| Basalt Infrastructure Partners Iv B L.P. | Private Equity Fund | $42.8M | $10.0M | 9 |
| Cipma Golden Link, Llc | Private Equity Fund | $30.5M | $0 | 1 |
| Bip Ii A Project Helios Aiv (Ii) L.P. | Private Equity Fund | $23.7M | $10.0M | 9 |
| Bip Ii A Project Helios Aiv (I) L.P. | Private Equity Fund | $9.1M | $10.0M | 5 |
| Bip Iii A Project Mars Aiv (I) L.P. | Private Equity Fund | $5.1M | $10.0M | 4 |
| Project Arthur Aiv, L.P. | Private Equity Fund | $58.3K | $10.0M | 18 |
| Basalt Infrastructure Partners Ii B L.P. | Private Equity Fund | $0 | $10.0M | 0 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 7.06 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
- • 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: Mar 31, 2026.
View current Form ADV (SEC/IAPD) ↗