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ISAM FUNDS (UK) LIMITED
CRD 307680File 801-122825
APPROVED
Custody
Filing as of Sep 25, 2026
Feed vintage Oct 1, 2026
Regulatory AUM
$5.95B
Top 25% of cohort (national)
Discretionary AUM
$5.95B
Clients
12
10 accounts
Employees
127
Identity & registration
ADV Item 1- Organization form
- Other (specify)
- Firm type
- Registered
- SEC region
- HQ
- Registration date
- Dec 6, 2021
- Principal office
- 40 LEADENHALL STREET, LONDON, EC3A 2BJ
- Phone
- 44 207 258 9940
- Website
- http://www.isam.com
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $5.95B
- Discretionary AUM
- $5.95B
- Non-discretionary AUM
- $0
- Discretionary accounts
- 10
- Non-discretionary accounts
- 0
- Total accounts
- 10
- AUM per client
- $496.1M
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Pooled investment vehicles | 12 | $5.95B |
Compensation & activities
ADV Items 5E, 5GCompensation
- Performance-based fees
- A percentage of assets under your management
Advisory activities
- Portfolio management for businesses
- Portfolio management for pooled investment vehicles
Custody
ADV Item 9- Firm Custody Cash
- Yes
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- No
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- Yes
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To | Change |
|---|---|---|---|---|
| Sep 26, 2026 | Employees | 100 | 127 | increased by27 |
| Sep 26, 2026 | AUM | $2,627,092,412 | $5,953,719,510 | increased by$3,326,627,098 |
| Sep 26, 2026 | Accounts | 3 | 10 | increased by7 |
| Aug 12, 2026 | Clients | 13 | 12 | decreased by1 |
| Aug 12, 2026 | AUM | $2,333,665,789 | $2,627,092,412 | increased by$293,426,623 |
| Aug 12, 2026 | Accounts | 5 | 3 | decreased by2 |
| Dec 1, 2025 vs May 1, 2025 | Employees | 79 | 100 | increased by21 |
| Dec 1, 2025 vs May 1, 2025 | Clients | 12 | 13 | increased by1 |
| Dec 1, 2025 vs May 1, 2025 | AUM | $2,111,741,555 | $2,333,665,789 | increased by$221,924,234 |
| Dec 1, 2025 vs May 1, 2025 | Accounts | 3 | 5 | increased by2 |
| May 1, 2025 vs Oct 1, 2022 | Employees | 85 | 79 | decreased by6 |
| May 1, 2025 vs Oct 1, 2022 | Clients | 16 | 12 | decreased by4 |
| May 1, 2025 vs Oct 1, 2022 | AUM | $47,960,000 | $2,111,741,555 | increased by$2,063,781,555 |
| May 1, 2025 vs Oct 1, 2022 | Accounts | 1 | 3 | increased by2 |
| Oct 1, 2022 | Employees | 65 | 85 | increased by20 |
On Form 5500, an adviser usually appears as a plan service provider (Schedule C), not the plan sponsor.
See plans that list “ISAM FUNDS” as a service provider on 5500mcp →Matched by name only — Form ADV and Form 5500 share no identifier, and names are searched loosely (“ISAM FUNDS” may also match similarly-named firms). Confirm identity against each filing.
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.