Integral Ils Ltd.
- Regulatory AUM
- $3.8B
- Discretionary
- $3.8B
- Clients
- 10
- Avg AUM / client
- $378M
- Accounts
- 10
- Employees
- 15
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 17, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 10 | $3.8B | 100.0% |
Private funds (7)
Reported in Form ADV Section 7.B.(1), filing of Apr 2024 · $2.6B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Carnot Fund Ltd. | Other Private Fund | Bermuda | $690M | 19 |
| Maple Leaf Fund Ltd. master | Other Private Fund | Bermuda | $573M | 7 |
| Aurora Fund Ltd. / Bermuda | Other Private Fund | Bermuda | $552M | 7 |
| Integral Opportunities Fund Ltd. | Other Private Fund | Bermuda | $407M | 4 |
| Riemann Fund Ltd. | Other Private Fund | Bermuda | $172M | 7 |
| Principia Fund Ltd. | Other Private Fund | Bermuda | $150M | 9 |
| Prime Fund Ltd. | Other Private Fund | Bermuda | $29.7M | 7 |
People (5)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Van Der Merwe, Adriaan, Jacobus | Executive Officer | Oct 2020 (6y) | Less than 5% | |
| Lowther, Richard, John | Managing Partner, Chief Compliance Officer, Chief Operating Officer | Nov 2020 (6y) | 10% – 25% | |
| Zeng, Lixin | Managing Partner, Cio, Ceo | Nov 2020 (6y) | 25% – 50% | |
| Cooper, Wiley, Howard | Director | Dec 2021 (5y) | Less than 5% | |
| Torre, Michael, Charles | Director | Jan 2024 (3y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Amwins Ventures, Llc | Owner | Jan 2021 | A | 10% – 25% |
| Transatlantic Holdings Inc. | Owner | Jan 2024 | A | 10% – 25% |
| Amwins Holdings, Llc | Owner | Sep 2019 | B | ≈ 7.5% – 25% via Amwins Ventures, Llc |
| Amwins Group, Llc | Owner | May 2004 | B | ≈ 5.63% – 25% via Amwins Holdings, Llc |
| Amwins Group, Inc. | Owner | Jun 2012 | B | ≈ 4.22% – 25% via Amwins Group, Llc |
| American Wholesale Insurance Holding Company, Llc | Owner | Jun 2012 | B | ≈ 3.16% – 25% via Amwins Group, Inc. |
| Alleghany Corporation | Owner | Mar 2012 | B | ≈ 7.5% – 25% via Transatlantic Holdings Inc. |
| Berkshire Hathaway Inc. | Owner | Oct 2022 | B | ≈ 5.63% – 25% via Alleghany Corporation |
Undisclosed: 0% – 45% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Amwins Holdings, Llc: 75% – 100% of Amwins Ventures, Llc × 10% – 25% direct ≈ 7.5% – 25% of the firm
- Amwins Group, Llc: 75% – 100% of Amwins Holdings, Llc × 75% – 100% of Amwins Ventures, Llc × 10% – 25% direct ≈ 5.63% – 25% of the firm
- Amwins Group, Inc.: 75% – 100% of Amwins Group, Llc × 75% – 100% of Amwins Holdings, Llc × 75% – 100% of Amwins Ventures, Llc × 10% – 25% direct ≈ 4.22% – 25% of the firm
- American Wholesale Insurance Holding Company, Llc: 75% – 100% of Amwins Group, Inc. × 75% – 100% of Amwins Group, Llc × 75% – 100% of Amwins Holdings, Llc × 75% – 100% of Amwins Ventures, Llc × 10% – 25% direct ≈ 3.16% – 25% of the firm
- Alleghany Corporation: 75% – 100% of Transatlantic Holdings Inc. × 10% – 25% direct ≈ 7.5% – 25% of the firm
- Berkshire Hathaway Inc.: 75% – 100% of Alleghany Corporation × 75% – 100% of Transatlantic Holdings Inc. × 10% – 25% direct ≈ 5.63% – 25% 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 (7, $2.6B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Carnot Fund Ltd. | Other Private Fund | $690M | $5.0M | 19 |
| Maple Leaf Fund Ltd. | Other Private Fund | $573M | $1.0M | 7 |
| Aurora Fund Ltd. / Bermuda | Other Private Fund | $552M | $1.0M | 7 |
| Integral Opportunities Fund Ltd. | Other Private Fund | $407M | $1.0M | 4 |
| Riemann Fund Ltd. | Other Private Fund | $172M | $1.0M | 7 |
| Principia Fund Ltd. | Other Private Fund | $150M | $1.0M | 9 |
| Prime Fund Ltd. | Other Private Fund | $29.7M | $1.0M | 7 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/17/2026 | 3.03 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
- • SEE MISC. SECTION
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 17, 2026.
View current Form ADV (SEC/IAPD) ↗