SEC-Registered Investment Adviser
Calamos Advisors LLC
Registration facts are from the firm's Form ADV Part 1A as published by the SEC, latest filing dated July 23, 2026. Figures are firm-level: they describe the advisory firm, not any single offering.
Registration
- Status
- Approved
- Registered since
- May 29, 1987
- Principal office
- 2020 Calamos Court, Naperville, IL 60563-2787
- Organized as
- Limited Liability Company, DE
- Fiscal year end
- December
- Other offices
- 6
Scale
- Regulatory AUM
- $43.9B
- Attributable to non-US clients
- $1.2B
- Accounts
- 1,957
- Clients
- 18
- Employees
- 300, 114 in advisory roles
- Private funds advised
- 3
- Private fund gross assets
- $215.1M
- Fund types
- 3 other private funds
- Funds with Form D records
- 1 issuer in AltStreet's ledger, $471.8M reported sold across them
- Client assets in custody
- $215.1M (15 clients)
Business, clients and compensation, as filed
- Advisory activities
- portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled investment vehicles and portfolio management for businesses and institutional clients
- Compensated by
- a percentage of assets under management
- Client types
- individuals (other than high net worth) (364); high net worth individuals (1,372); banking or thrift institutions (0); investment companies (74); business development companies (0); pooled investment vehicles (0); pension and profit sharing plans (41); charitable organizations (24); state or municipal government entities (4); other investment advisers (0); insurance companies (8); sovereign wealth funds and foreign official institutions (0); corporations or other businesses (70); other (0)
- Also engaged as
- commodity pool operator or commodity trading advisor
- Related persons include
- a broker-dealer, another investment adviser, a commodity pool operator or commodity trading advisor and a sponsor, general partner or managing member of pooled investment vehicles
- Affiliates
- 1 broker-dealer, 3 investment advisers
- Wrap fee program
- Sponsors or manages a wrap fee program
Form ADV Item 11 disclosures
No yes answers on Item 11 as of the latest Form ADV (July 23, 2026). Item 11 covers the firm and its advisory affiliates.
Form D activity of the funds this firm advises, by year
1 issuer in AltStreet's EDGAR ledger are joined to this adviser through Form ADV Schedule D, with Form D filings from September 8, 2014 to September 8, 2014. Reported sold across them: $471.8M.Years are the year of each offering's first notice; sold and investors are the latest figures on each chain. Counts and totals only; the fund roster is in the terminal.
| First notice | Offerings | Reported sold | Investors |
|---|---|---|---|
| 2014 | 1 | $471.8M | 23 |
Registered funds this firm advises, from Form N-CEN
3 fundsregistered under the Investment Company Act name this firm as investment adviser on the latest Form N-CEN. Net assets and the share of holdings at Level 3 or carried at NAV ("marks") are from the newest Form N-PORT; the flow series is on each fund's page in Terminal Pro. Fee and expense ratios are as the fund reported them on N-CEN.
| Fund | Type | Net assets | Marks | Mgmt fee | Net expenses |
|---|---|---|---|---|---|
| Calamos Aksia Alternative Credit & Income Fundas of June 30, 2026 | Interval fund | $1.2B | 90.7% | 1.25% | 1.5% |
| Calamos Aksia Private Equity & Alternatives Fundas of June 30, 2026 | Interval fund | $432.8M | 95.2% | 1.75% | 1.6% |
| Calamos Aksia Hedged Strategies Fundas of June 30, 2026 | Interval fund | $61.9M | 99% | 1.1% | 1.45% |
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Source: SEC Form ADV via IARD (roster of October 6, 2026), matched to the platform by AltStreet analysts. Item 11 answers are as reported on the firm's Form ADV and cover the firm and its advisory affiliates; consult the firm's IAPD record for the Disclosure Reporting Pages. Brochure statements are the firm's own. Nothing on this page is investment advice.