Warberg Asset Management provides portfolio management for individuals and small businesses and portfolio management for pooled vehicles. The firm advises 5 private funds.
Warberg Asset Management reports 9 clients. They include 5 pooled investment vehicles and 4 corporations and other businesses. Of its assets, 99.3% ($800M across 20 accounts) are managed with discretion; $5.95M across 2 accounts are not.
| Client type | Clients | Assets |
|---|---|---|
| Pooled investment vehicles | 56% | 90% |
| Corporations and other businesses | 44% | 10% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Pooled investment vehicles | 5 | $725M | 90.0% | $145M |
| Corporations and other businesses | 4 | $80.6M | 10.0% | $20.1M |
| Total | 9 | $806M | 100% | $89.5M |
- Clients
- 5
- Regulatory AUM
- $725M
- AUM share
- 90.0%
- Avg. per client
- $145M
- Clients
- 4
- Regulatory AUM
- $80.6M
- AUM share
- 10.0%
- Avg. per client
- $20.1M
Total
- Clients
- 9
- Regulatory AUM
- $806M
- AUM share
- 100%
- Avg. per client
- $89.5M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 5
Warberg Asset Management 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.
Daniel Warsh owns 50% to 75% of Warberg Asset Management. It has 10 employees, 7 of them in advisory roles.
Leadership
- Jonathan BlumbergManaging Member
- Brian GradOwner
- Tracy LancasterCCO/CFO
- Daniel WarshManaging Member
Staff
- 10 employees
- 7 in advisory functions
- Owns 50% to 75% of Warberg Asset Management LLC
Daniel Warsh
Control person · since February 2009
- Owns 25% to 50% of Warberg Asset Management LLC
Jonathan Blumberg
Control person · since February 2009
- Owns 5% to 10% of Warberg Asset Management LLC
Brian Grad
since January 2022
Warberg Asset Management’s regulatory assets went from $824M (May 2021) to $806M (March 2026); clients rose from 8 to 9 and employees from 5 to 10.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| March 2026 | $806M | 9 | 10 | 1 |
| March 2025 | $862M | 9 | 10 | 1 |
| March 2024 | $827M | 9 | 9 | 1 |
| March 2023 | $828M | 9 | 8 | 1 |
| June 2022 | $818M | 9 | 7 | 1 |
| May 2021 | $824M | 8 | 5 | 1 |
Besides its headquarters, Warberg Asset Management has 0 offices, with 1 listed address in Illinois.
Illinois · 1 listed address
- 716 Oak Street, WinnetkaHQ
Contact and registration details
- Legal name
- Warberg Asset Management LLC
- Headquarters
- 716 Oak Street, Winnetka, IL 60093
- Website
- Not reported
- Phone
- 847-418-8305
- SEC file
- 801-76808
- Structure
- Delaware LLC
- Fiscal year end
- December
Warberg Asset Management uses Fidelity ($61.2M, 77%) and Goldman Sachs & Co. ($18.7M, 23%) as custodians for its separately managed accounts. Warberg Asset Management has custody of $806M in client assets for 9 clients.
- FidelityNational Financial Services LLC · Boston, MA · $61.2M77%
- Goldman Sachs & Co.Goldman Sachs & Co. LLC · New York, NY · $18.7M23%
At year end, Warberg Asset Management’s separately managed accounts were largely in stocks (45%) and bonds (41%). Its reported 13F holdings for the quarter ended 30 June 2026 total $551M across 170 positions; the largest are State Str SPDR S&P 500 ETF T (put option) (31.2%), Granite Constr Inc. (8.5%) and Microchip Technology Inc.. (7.6%).
What the accounts hold
- Stocks45%
- Exchange-traded equities44%
- Non-exchange-traded equities1%
- Bonds41%
- Cash10%
- Other4%
- Derivatives4%
Reported 13F holdings
- $551M
- Reported 13F value
- 170
- Positions
- 68.8%
- In the 10 largest
- −8.1%
- Value vs. prior quarter
- State Str SPDR S&P 500 ETF T · TR UnitPut31.2%
- Granite Constr Inc. · Note 3.750% 5/18.5%
- Microchip Technology Inc.. · Note 1.625% 2/17.6%
- Astronics Corp. · Note 5.500% 3/15.7%
- Live Nation Entertainment IN · Note 3.125% 1/13.5%
- Nextnav Inc.2.8%
- Invesco Qqq TR · Unit Ser 1Put2.5%
- Cornerstone Strategic Invest2.5%
- Guardant Health Inc. · Debt 1.250% 2/12.3%
- Hewlett Packard Enterprise C · 7.625 Mand Conv2.1%
Together, the ten largest are 68.8% of reported value.
How many clients does Warberg Asset Management have?
Warberg Asset Management has 9 clients and manages $806 million for them, as of March 2026. They include 5 pooled investment vehicles and 4 corporations and other businesses.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 31 March 2026
What services does Warberg Asset Management offer?
Warberg Asset Management provides portfolio management for individuals and small businesses and portfolio management for pooled vehicles.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Warberg Asset Management use?
Warberg Asset Management’s separately managed account assets are held at National Financial Services LLC (Boston, MA), with $61.2M and Goldman Sachs & Co. LLC (New York, NY), with $18.7M. 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 Warberg Asset Management have?
Warberg Asset Management has 0 investment adviser representatives registered with state securities authorities, out of 10 employees, and 7 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 Warberg Asset Management invest in?
At the end of its last fiscal year, Warberg Asset Management’s separately managed accounts held 44% exchange-traded equities, 41% investment grade corporate bonds, 10% cash and equivalents, 4% derivatives and 1% non-exchange-traded equities. It advises 5 private funds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Warberg Asset Management?
Warberg Asset Management’s direct owners are Daniel Warsh (50% to 75%), Jonathan Blumberg (25% to 50%) and Brian Grad (5% to 10%).
Source: Form ADV Part 1A, Schedules A and B, filed 31 March 2026
How does Warberg Asset Management get paid?
Warberg Asset Management 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
Is Warberg Asset Management registered with the SEC?
Yes, Warberg Asset Management has been registered with the SEC as an investment adviser since 29 June 2012. Its CRD number is 164003 and its SEC file number is 801-76808.
Source: Form ADV Part 1A, Item 1, filed 31 March 2026; IAPD firm record
How do I contact Warberg Asset Management?
Warberg Asset Management’s main office is at 716 Oak Street, Winnetka, IL 60093. Its phone number is 847-418-8305.