J. Stern & Co. provides portfolio management for individuals and small businesses, portfolio management for pooled vehicles, and portfolio management for institutions.
J. Stern & Co. reports 72 clients. They include 52 high-net-worth individuals, 12 individual clients and 4 pooled investment vehicles. Of its assets, 83.1% ($1.86B across 69 accounts) are managed with discretion; $377M across 3 accounts are not. Of its clients, 93% are outside the U.S.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 17% | 2% |
| High-net-worth individuals | 72% | 47% |
| Pooled investment vehicles | 6% | 50% |
| Charitable organizations | 6% | 1% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 12 | $42.4M | 1.9% | $3.53M |
| High-net-worth individuals | 52 | $1.05B | 47.1% | $20.3M |
| Pooled investment vehicles | 4 | $1.11B | 49.7% | $278M |
| Charitable organizations | Fewer than 5 | $28.6M | 1.3% | $7.14M |
| Total | 72 | $2.23B | 100% | — |
- Clients
- 12
- Regulatory AUM
- $42.4M
- AUM share
- 1.9%
- Avg. per client
- $3.53M
- Clients
- 52
- Regulatory AUM
- $1.05B
- AUM share
- 47.1%
- Avg. per client
- $20.3M
- Clients
- 4
- Regulatory AUM
- $1.11B
- AUM share
- 49.7%
- Avg. per client
- $278M
- Clients
- Fewer than 5
- Regulatory AUM
- $28.6M
- AUM share
- 1.3%
- Avg. per client
- $7.14M
Total
- Clients
- 72
- Regulatory AUM
- $2.23B
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 93%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
J. Stern & Co. is paid through a percentage of assets under management and performance-based fees; its fees and minimums are set out in its brochures on the SEC website.
Christopher Rossbach owns 75% or more of J. Stern & Co.. The leadership team of J. Stern & Co. includes Chief Compliance Officer Thomas Price. It has 42 employees, 12 of them in advisory roles.
Leadership
- Thomas PriceManaging Partner & Chief Compliance Officer
- Irshaad AhmadPartner
- Jean-Yves ChereauPartner
- Christopher RossbachManaging Partner
Staff
- 42 employees
- 12 in advisory functions
- Owns 75% or more of J. Stern & Co. LLP
Christopher Rossbach
Control person · since November 2012
- Owns 10% to 25% of J. Stern & Co. LLP
Thomas Price
Control person · since December 2014
J. Stern & Co.’s regulatory assets grew 2.7× from $835M (June 2023) to $2.23B (June 2026); clients rose from 61 to 72 and employees from 29 to 42.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| June 2026 | $2.23B | 72 | 42 | 1 |
| June 2025 | $1.9B | 73 | 30 | 1 |
| July 2024 | $1.28B | 65 | 28 | 1 |
| June 2023 | $835M | 61 | 29 | 1 |
Besides its headquarters, J. Stern & Co. has 0 offices, with 1 listed address with no US state reported.
Contact and registration details
- Legal name
- J. Stern & Co. LLP
- Headquarters
- 4 Carlton Gardens, London, United Kingdom SW1Y 5AA
- Website
- jsternco.com
- Phone
- 4402034781800
- SEC file
- 801-127099
- Structure
- limited liability partnership organized in United Kingdom
- Fiscal year end
- March
J. Stern & Co. uses Bank Julius Baer & Co. ($263M, 37%), UBS Ag ($172M, 24%) and Multrees Investor Services Limited ($165M, 23%), among others, as custodians for its separately managed accounts. J. Stern & Co. does not have custody of client assets.
- Unicredit S.p.a.Unicredit S.p.a. · Milan · $117M16%
- Bank Julius Baer & Co.Bank Julius Baer & Co. LTD · Zurich · $263M37%
- Multrees Investor Services LimitedMultrees Investor Services Limited · London · $165M23%
- UBS AgUBS Ag · Zurich · $172M24%
At year end, J. Stern & Co.’s separately managed accounts were mostly in stocks (65%) and cash (17%). Its reported 13F holdings for the quarter ended 30 June 2026 total $1.06B across 51 positions; the largest are Nvidia Corporation (11.5%), Alphabet Inc. (10.4%) and Amphenol Corp. (8.2%).
What the accounts hold
- Stocks65%
- Bonds15%
- Investment grade corporate bonds5%
- High-yield corporate bonds5%
- Sovereign bonds4%
- U.S. government and agency bonds1%
- Cash17%
- Other3%
- Aif3%
Reported 13F holdings
- $1.06B
- Reported 13F value
- 51
- Positions
- 68.4%
- In the 10 largest
- +2.7%
- Value vs. prior quarter
- Nvidia Corporation11.5%
- Alphabet Inc. · Cap Stk CL C10.4%
- Amphenol Corp. · CL A8.2%
- Amazon Com Inc.7.7%
- Eaton Corp. PLC6.8%
- Mastercard Incorporated · CL A5.6%
- Meta Platforms Inc. · CL A5.6%
- Rtx Corporation5.3%
- Intercontinental Exchange IN3.9%
- American Tower Corp.3.3%
Together, the ten largest are 68.4% of reported value.
How many clients does J. Stern & Co. have?
J. Stern & Co. has 72 clients and manages $2.23 billion for them, as of June 2026. They include 52 high-net-worth individuals, 12 individual clients and 4 pooled investment vehicles.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 29 June 2026
What services does J. Stern & Co. offer?
J. Stern & Co. provides portfolio management for individuals and small businesses, portfolio management for pooled vehicles, and portfolio management for institutions.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does J. Stern & Co. use?
J. Stern & Co.’s separately managed account assets are held at Bank Julius Baer & Co. LTD (Zurich), with $263M, UBS Ag (Zurich), with $172M, Multrees Investor Services Limited (London), with $165M and Unicredit S.p.a. (Milan), with $117M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 29 June 2026
How many financial advisors does J. Stern & Co. have?
J. Stern & Co. has 0 investment adviser representatives registered with state securities authorities, out of 42 employees, and 12 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does J. Stern & Co. invest in?
At the end of its last fiscal year, J. Stern & Co.’s separately managed accounts held 65% exchange-traded equities, 17% cash and equivalents, 5% investment grade corporate bonds, 5% high-yield corporate bonds, 4% sovereign bonds, 3% other and 1% U.S. government and agency bonds. The 3% other category is described as: Aif.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns J. Stern & Co.?
J. Stern & Co.’s direct owners are Christopher Rossbach (75% or more) and Thomas Price (10% to 25%).
Source: Form ADV Part 1A, Schedules A and B, filed 29 June 2026
How does J. Stern & Co. get paid?
J. Stern & Co. is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
How do I contact J. Stern & Co.?
J. Stern & Co.’s main office is at 4 Carlton Gardens, London, United Kingdom SW1Y 5AA. Its phone number is 4402034781800. Its website is jsternco.com.