Altair Advisers provides financial planning, portfolio management for investment companies, portfolio management for pooled vehicles, pension consulting, selecting other managers and publishing newsletters. Financial planning was provided to 101–250 clients last fiscal year. The firm advises 1 private fund.
Altair Advisers reports 1,016 clients. They include 479 individual clients, 416 high-net-worth individuals and 85 charitable organizations. Of its assets, 52.8% ($5.15B across 654 accounts) are managed with discretion; $4.61B across 362 accounts are not.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 47% | 4% |
| High-net-worth individuals | 41% | 65% |
| Investment companies | <1% | 15% |
| Pooled investment vehicles | <1% | 0% |
| Charitable organizations | 8% | 12% |
| Other client typesCorporations and other businesses | 3% | 5% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 479 | $404M | 4.1% | $843K |
| High-net-worth individuals | 416 | $6.3B | 64.5% | $15.1M |
| Investment companies | 1 | $1.42B | 14.6% | $1.42B |
| Pooled investment vehicles | 1 | $0 | 0.0% | $0 |
| Charitable organizations | 85 | $1.17B | 11.9% | $13.7M |
| Corporations and other businesses | 34 | $472M | 4.8% | $13.9M |
| Total | 1,016 | $9.76B | 100% | $9.61M |
- Clients
- 479
- Regulatory AUM
- $404M
- AUM share
- 4.1%
- Avg. per client
- $843K
- Clients
- 416
- Regulatory AUM
- $6.3B
- AUM share
- 64.5%
- Avg. per client
- $15.1M
- Clients
- 1
- Regulatory AUM
- $1.42B
- AUM share
- 14.6%
- Avg. per client
- $1.42B
- Clients
- 1
- Regulatory AUM
- $0
- AUM share
- 0.0%
- Avg. per client
- $0
- Clients
- 85
- Regulatory AUM
- $1.17B
- AUM share
- 11.9%
- Avg. per client
- $13.7M
- Clients
- 34
- Regulatory AUM
- $472M
- AUM share
- 4.8%
- Avg. per client
- $13.9M
Total
- Clients
- 1,016
- Regulatory AUM
- $9.76B
- AUM share
- 100%
- Avg. per client
- $9.61M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 1
- Financial planning clients last fiscal year
- 101–250
Altair Advisers charges 0.10%–0.80% for its Fees for Investment Advisory Clients. The brochure does not state whether the rate is annual. Each asset band is charged at its own rate. The fee is billed in advance, is negotiable, has a $50,000 annual minimum and requires an account of at least $7,000,000. The brochure also prices 2 other services, listed under fee details.
| Asset band | Rate (period not stated) |
|---|---|
| $0–$5M | 0.80% |
| $5M–$20M | 0.50% |
| $20M–$50M | 0.35% |
| $50M–$100M | 0.25% |
| $100M and above | 0.10% |
Fee details and sources
Other fees
- Financial Planning for Executives
- Corporations retaining Altair for executive financial planning pay a fixed fee per executive, generally $5,000 to $30,000.
- Project Fees
- Project work is billed hourly at $200 to $500 per hour, or on a project basis negotiated in advance with each client.
Rebekah Kohmescher is CEO; the leadership team includes Chief Investment Officer Jason Laurie. It has 75 employees, 34 of them in advisory roles.
Leadership
Rebekah KohmescherMember, Chief Executive Officer and Chief Compliance Officer
Browne ClaireDirector of Compliance
Allison DilibertoMember, Managing Director
Timothy FrenchMember, Managing Director, Chief Client Officer
Jason LaurieMember, Managing Director, Chief Investment Officer
David LinMember, Managing Director Head of Research and Due Diligence
Bryan MalisMember, Managing Director
Rachael MangoubiMember, Managing Director
Michael MurrayMember, Managing Director
Anna NicholsMember, Managing Director
Donald SorotaMember, Managing Director- Steven WeinsteinChairman
Staff
- 75 employees
- 34 in advisory functions
- Owns 10% to 25% of Altair Advisers, LLC
Bryan Malis
Control person · since April 2002
- Owns 10% to 25% of Altair Advisers, LLC
PHRM Investments LLC
Control person · since June 2002
- Owns 25% to 50% of PHRM Investments LLC
Richard Mazzolini
Control person · since May 2002
- Owns 25% to 50% of PHRM Investments LLC
Patrick Hans
Control person · since May 2002
- Owns 25% to 50% of PHRM Investments LLC
Gayle Hans
since May 2002
- Owns 25% to 50% of PHRM Investments LLC
BHH, LLC
since May 2002
- Owns 75% or more of BHH, LLC
Patrick R. Hans 1998 Family Trust
since April 1998
- Owns 10% to 25% of Altair Advisers, LLC
Donald Sorota
since January 2011
- Owns 10% to 25% of Altair Advisers, LLC
Jason Laurie
Control person · since January 2018
- Owns 10% to 25% of Altair Advisers, LLC
Michael Murray
Control person · since January 2011
- Owns 10% to 25% of Altair Advisers, LLC
Rebekah Kohmescher
Control person · since January 2018
- Owns 5% to 10% of Altair Advisers, LLC
Zembra Investments LLC
Control person · since August 2024
Altair Advisers’ regulatory assets grew 1.6× from $6.02B (March 2021) to $9.76B (March 2026); clients rose from 747 to 1,016 and employees from 53 to 75.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| March 2026 | $9.76B | 1,016 | 75 | 1 |
| March 2025 | $8.68B | 946 | 75 | 1 |
| March 2024 | $7.39B | 886 | 70 | 1 |
| July 2023 | $6.01B | 865 | 65 | 1 |
| March 2022 | $6.68B | 804 | 60 | 1 |
| March 2021 | $6.02B | 747 | 53 | 1 |
Besides its headquarters, Altair Advisers has 0 offices, with 1 listed address in Illinois.
Illinois · 1 listed address
- 225 W. Washington Street, Suite 2400, ChicagoHQ
Contact and registration details
- Legal name
- Altair Advisers, LLC
- Headquarters
- 225 W. Washington Street, Suite 2400, Chicago, IL 60606
- Website
- altairadvisers.com
- Phone
- 312-429-3000
- @altair-advisers
- SEC file
- 801-61138
- Structure
- Delaware LLC
- Fiscal year end
- December
Altair Advisers uses Pershing ($2.38B, 100%) and Charles Schwab ($4.03M, 0%) as custodians for its separately managed accounts. Altair Advisers has custody of $8.47B in client assets for 862 clients.
- PershingPershing Advisor Solutions LLC · Jersey City, NJ · $2.38B100%
- Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $4.03M0%
At year end, Altair Advisers’ separately managed accounts were largely in funds (43%) and stocks (33%).
What the accounts hold
- Stocks33%
- Funds43%
- Registered funds36%
- Pooled vehicles7%
- Bonds19%
- U.S. government and agency bonds11%
- State and local bonds8%
- Cash5%
How many clients does Altair Advisers have?
Altair Advisers has 1,016 clients and manages $9.76 billion for them, as of March 2026. They include 479 individual clients, 416 high-net-worth individuals and 85 charitable organizations.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 31 March 2026
What services does Altair Advisers offer?
Altair Advisers provides financial planning, portfolio management for investment companies, portfolio management for pooled vehicles, pension consulting, selecting other managers and publishing newsletters.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How much does Altair Advisers charge?
Altair Advisers charges 0.10%–0.80% for its Fees for Investment Advisory Clients. The brochure does not state whether the rate is annual. Each asset band is charged at its own rate. The fee is billed in advance, is negotiable, has a $50,000 annual minimum and requires an account of at least $7,000,000.
Source: ALTAIR ADVISERS 2025 ADV 2A AND 2B, filed 31 March 2026
Which custodians does Altair Advisers use?
Altair Advisers’ separately managed account assets are held at Pershing Advisor Solutions LLC (Jersey City, NJ), with $2.38B and Charles Schwab & Co., Inc. (San Francisco, CA), with $4.03M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 31 March 2026
How many financial advisors does Altair Advisers have?
Altair Advisers has 0 investment adviser representatives registered with state securities authorities, out of 75 employees, and 34 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 Altair Advisers invest in?
At the end of its last fiscal year, Altair Advisers’ separately managed accounts held 36% registered funds (mutual funds, ETFs, BDCs), 33% exchange-traded equities, 11% U.S. government and agency bonds, 8% state and local bonds, 7% pooled vehicles (private funds and similar) and 5% cash and equivalents. It advises 1 private fund.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Does Altair Advisers have a minimum investment?
Yes, Altair Advisers’ minimum account size for its Fees for Investment Advisory Clients is $7M. It charges a $50K annual minimum fee.
Source: ALTAIR ADVISERS 2025 ADV 2A AND 2B, filed 31 March 2026
Who owns Altair Advisers?
Altair Advisers is owned through a chain of holding companies by Richard Mazzolini, Patrick and Gayle Hans, and Patrick R. Hans 1998 Family Trust. Its direct owners are Bryan Malis, PHRM Investments LLC, Donald Sorota, Jason Laurie, Michael Murray, Rebekah Kohmescher and Zembra Investments LLC, each holding 25% or less.
Source: Form ADV Part 1A, Schedules A and B, filed 31 March 2026
How does Altair Advisers get paid?
Altair Advisers is paid through a percentage of assets under management, hourly charges and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
Is Altair Advisers registered with the SEC?
Yes, Altair Advisers has been registered with the SEC as an investment adviser since 7 May 2002. Its CRD number is 120642 and its SEC file number is 801-61138.
Source: Form ADV Part 1A, Item 1, filed 31 March 2026; IAPD firm record
How do I contact Altair Advisers?
Altair Advisers’ main office is at 225 W. Washington Street, Suite 2400, Chicago, IL 60606. Its phone number is 312-429-3000. Its website is altairadvisers.com.