SEC 13F Intelligence

Managers / Q3 2025 · view latest →

Calamos Advisors LLC

CIK 0001316507 · 2020 CALAMOS COURT, NAPERVILLE, IL, 60563 · 6302451046

Reported Value
$27.1B
Q3 2025
Positions
1,003
Filings on Record
30
2019–present window
Filed
Oct 20, 2025
original filing

Summary

Calamos Advisors Llc reported $27.1B in U.S.-listed holdings across 1,003 positions for Q3 2025.

Its largest position, NVDA, represents 5.2% of the portfolio.

Compared with Q2 2025, the fund opened 117 new positions and exited 111.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $15.2BQ4 ’18Q1 ’19: $16.0BQ2 ’19: $18.0BQ3 ’19: $18.4BQ4 ’19: $20.2BQ4 ’19Q1 ’20: $12.7BQ2 ’20: $14.1BQ3 ’20: $15.5BQ4 ’20: $17.2BQ4 ’20Q1 ’21: $18.3BQ2 ’21: $21.9BQ3 ’21: $22.9BQ4 ’21: $26.7BQ4 ’21Q1 ’22: $26.6BQ2 ’22: $23.2BQ3 ’22: $21.9BQ4 ’22: $21.32TQ4 ’22Q1 ’23: $20.5BQ2 ’23: $20.2BQ3 ’23: $19.2BQ4 ’23: $20.6BQ4 ’23Q1 ’24: $21.1BQ2 ’24: $22.5BQ3 ’24: $23.1BQ4 ’24: $23.9BQ4 ’24Q1 ’25: $23.0BQ2 ’25: $25.4BQ3 ’25: $27.1BQ4 ’25: $26.6BQ4 ’25Q1 ’26: $28.2Bfilingsflow.com

Portfolio Composition

By security type
Common Stock: 57.7%US DOMESTIC: 22.0%ETP: 9.5%PUBLIC: 4.2%Other: 2.7%Other: 4.0%
  • Common Stock · 57.7% · $15.6B
  • US DOMESTIC · 22.0% · $5.9B
  • ETP · 9.5% · $2.6B
  • PUBLIC · 4.2% · $1.1B
  • Other · 2.7% · $724M
  • Other · 4.0% · $1.1B

Quarter-over-Quarter Changes full breakdown →

Holdings — Q3 2025

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Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$28.2B1,269May 4, 202613F-HRchanges · EDGAR ↗
Q4 2025$26.6B997Jan 29, 202613F-HRchanges · EDGAR ↗
Q3 2025$27.1B1,003Oct 20, 202513F-HRchanges · EDGAR ↗
Q2 2025$25.4B991Aug 8, 202513F-HRchanges · EDGAR ↗
Q1 2025$23.0B987Apr 29, 202513F-HRchanges · EDGAR ↗
Q4 2024$23.9B1,059Jan 24, 202513F-HRchanges · EDGAR ↗
Q3 2024$23.1B1,072Nov 7, 202413F-HRchanges · EDGAR ↗
Q2 2024$22.5B1,087Jul 25, 202413F-HRchanges · EDGAR ↗
Q1 2024$21.1B1,097May 8, 202413F-HRchanges · EDGAR ↗
Q4 2023$20.6B1,062Jan 31, 202413F-HRchanges · EDGAR ↗
Q3 2023$19.2B1,066Oct 26, 202313F-HRchanges · EDGAR ↗
Q2 2023$20.2B1,127Jul 28, 202313F-HRchanges · EDGAR ↗
Q1 2023$20.5B1,256May 4, 202313F-HRchanges · EDGAR ↗
Q4 2022$21.32T1,342Jan 26, 202313F-HRchanges · EDGAR ↗
Q3 2022$21.9B1,489Oct 24, 202213F-HRchanges · EDGAR ↗
Q2 2022$23.2B1,350Aug 1, 202213F-HRchanges · EDGAR ↗
Q1 2022$26.6B1,405May 3, 202213F-HRchanges · EDGAR ↗
Q4 2021$26.7B1,353Feb 1, 202213F-HRchanges · EDGAR ↗
Q3 2021$22.9B1,214Oct 26, 202113F-HRchanges · EDGAR ↗
Q2 2021$21.9B1,224Jul 22, 202113F-HRchanges · EDGAR ↗
Q1 2021$18.3B1,180Apr 12, 202113F-HRchanges · EDGAR ↗
Q4 2020$17.2B990Jan 27, 202113F-HRchanges · EDGAR ↗
Q3 2020$15.5B945Oct 26, 202013F-HRchanges · EDGAR ↗
Q2 2020$14.1B960Jul 27, 202013F-HRchanges · EDGAR ↗
Q1 2020$12.7B918Apr 28, 202013F-HRchanges · EDGAR ↗
Q4 2019$20.2B1,032Jan 15, 202013F-HRchanges · EDGAR ↗
Q3 2019$18.4B993Oct 21, 201913F-HRchanges · EDGAR ↗
Q2 2019$18.0B980Aug 7, 201913F-HRchanges · EDGAR ↗
Q1 2019$16.0B653Apr 12, 201913F-HRchanges · EDGAR ↗
Q4 2018$15.2B673Jan 24, 201913F-HRchanges · EDGAR ↗

Other Included Managers

This filing reports holdings on behalf of 4 additional managers.

  • Calamos Wealth Management LLC028-13358
  • Russell Investments Group, Ltd.028-17598
  • First State Trust Co028-05476
  • UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC028-02682

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.