Longview Partners (Guernsey) Limited
- Regulatory AUM
- $11.5B
- Discretionary
- $11.5B
- Clients
- 8
- Avg AUM / client
- $1.4B
- Accounts
- 21
- Employees
- 7
AUM over time
Annual snapshots from Form ADV filings · as of Mar 18, 2026
Asset allocation (SMA assets by investment type)
as of Mar 18, 2026Share of SMA assets by investment vehicle type, as filed in Form ADV Item 5.K. Dollar figures are percentages applied to total regulatory AUM.
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 8 | $5.9B | 51.4% |
| Pension and profit sharing plans | Fewer than 5 clients | $845M | 7.34% |
| Charitable organizations | Fewer than 5 clients | $306M | 2.66% |
| State or municipal government entities | Fewer than 5 clients | $2.3B | 20.4% |
| Sovereign wealth funds and foreign official institutions | Fewer than 5 clients | $2.1B | 18.0% |
| Corporations and other businesses | Fewer than 5 clients | $28.3M | 0.25% |
People (9)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Bertarelli, Ernesto, Silvio Maurizio | Limited Partner | Jan 2011 (16y) | 50% – 75% of Landmark Lp (indirect) | |
| Guichard Bertarelli, Donata | Limited Partner | Jan 2011 (16y) | 25% – 50% of Landmark Lp (indirect) | |
| Tostevin, Stuart, James | Compliance Officer | Oct 2014 (12y) | Less than 5% | |
| Henton, Andrew, Michael | Director | Jun 2016 (10y) | Less than 5% | |
| Campbell, Elizabeth, Mary Kate | Managing Director | Sep 2017 (9y) | Less than 5% | |
| Papageorgiou, Panayiotis, Christakis | Director | Jan 2018 (9y) | Less than 5% | |
| Peacegood, Joanne | Director | Apr 2020 (6y) | Less than 5% | |
| Kearsley, Ranjani | Director | Sep 2022 (4y) | Less than 5% | |
| Cornell, Peter, Charles Edward | Director | Sep 2023 (3y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Northill Longview Holdings (Guernsey) Limited | Owner | Jun 2014 | A | 75% or more |
| Northill Jersey Holdings, L.P. | Owner | Mar 2014 | B | ≈ 56.25% – 100% via Northill Longview Holdings (Guernsey) Limited |
| Landmark Lp | Limited Partner | Nov 2015 | B | 75% or more of Northill Invest Lp (indirect) |
| Northill Capital (Jersey) L.P. | Limited Partner | Jan 2011 | B | 75% or more of Northill Jersey Holdings L.P. (indirect) |
| Northill Invest Lp | Limited Partner | Nov 2015 | B | 75% or more of Northill Capital Jersey Lp (indirect) |
| B Flexion Holdings (Switzerland) Sa | Owner | Jun 2020 | B | 75% or more of B Flexion Am Holdings Limited (indirect) |
| B Flexion Group Holdings Sa | Owner | Jun 2020 | B | 75% or more of B Flexion Holdings (Switzerland) Sa (indirect) |
| Bertarelli Partners Limited | Owner | Jan 2011 | B | 75% or more of Lm (Gp) Limited (indirect) |
| B Flexion Am Holdings Limited | General Partner | Jun 2012 | B | GP / trustee / elected manager of Northill Capital (Jersey) L.P. (indirect) |
| Lm (Gp) Limited | General Partner | Nov 2008 | B | GP / trustee / elected manager of Landmark Lp (indirect) |
| B Flexion Gp Limited | General Partner | Nov 2015 | B | GP / trustee / elected manager of Northill Invest Lp (indirect) |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Northill Jersey Holdings, L.P.: 75% – 100% of Northill Longview Holdings (Guernsey) Limited × 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.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/18/2026 | 1.08 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
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- State Street $3.0B (19% of AUM) Nov 2025
- BNY Mellon $2.5B (22% of AUM) Mar 2026
- Northern Trust $1.1B (10% of AUM) Mar 2026
- The Hong Kong And Shanghai Banking Corporation Limited $763M (7% of AUM) Mar 2026
- J.P. Morgan $620M (5% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 18, 2026.
View current Form ADV (SEC/IAPD) ↗