Skip to content
Esta página está disponible en españolCambiar →

Calamos Advisors portfolio

Investment firm

Portfolio as of Sep 30, 2026 (Q3 2026) · filed with the SEC on Nov 2, 2026 · data updated on Nov 5, 2026 · Q3 2026 13F (filing) ↗ · all its 13F filings ↗

A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.

Calamos Advisors reported a $24.0 bn portfolio of 769 companies (794 positions, counting each share class separately) to the SEC as of the end of Q3 2026. Its largest positions are GOOGL, NVDA, CBOX.

Stock portfolio
$24.0 bn
Companies
769
794 positions (by CUSIP)Top 10: 37%
Turnover
13%
Copying its 13F, 5 years
—
Not calculated: not counted as a concentrated manager

Sections with a free account

What changed this quarter

630 positions with a change (95 new, 343 added to, 97 trimmed, 95 sold); also, 24 entered through an IPO. 3 are listed here: those of 0.5 points of the portfolio or more (up to 12).

  • Newly listedDuke Energy0.5% of the portfolio

It started trading this quarter: it appears in a 13F for the first time. The filing does not say whether the manager already held it before the listing, so it is not counted as a purchase.

The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.

Top holdings

Portfolio by sector

  • ● Information Technology 31%
  • ● No sector 19%
  • ● Financials 9%
  • ● Communication Services 8%
  • ● Health Care 8%
  • ● Industrials 8%
  • ● Consumer Discretionary 7%
  • ● Consumer Staples 3%
  • ● Energy 3%
  • ● Materials 2%
  • ● Utilities 1%
  • ● SPAC / vehículos 1%
  • ● Real Estate 1%

Declared options (25)

Besides stocks, Calamos Advisors declared 15 puts (they gain if the stock falls) and 10 calls (they gain if it rises) with a notional of $3.7 bn. The 13F reports the value of the underlying shares, not the premium paid, so these figures look large and are not added to the portfolio. Nor does it say whether the option is bought or written, or its strike or expiry: it may be a hedge.

Stakes above 5% (13D/13G)

Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.

How we classify it

Not counted as a concentrated manager: its portfolio is not within 5 to 100 positions; its top 10 positions are under 45%. Its portfolio is shown all the same, but it is left out of manager counts, the consensus and the ranking. How this is decided

Similar managers by type and size

Same type of filer and a 13F portfolio value between a third and three times this one. It is not a comparison of what they hold.

Follow Calamos Advisors for free

When the next 13F is filed, we email you (if you turn it on) and it shows in your list. No credit card.

Follow Calamos Advisors