Calamos Advisors LLC just filed a portfolio update, which we received from a 13F disclosure. This disclosure reflects the funds' holdings for the 06-30-2025 report period. You can see the full portfolio on Quiver Quantitative, and track moves made by other funds.
Per our estimates, the largest stock moves were:
- A decrease of -507,503 shares of $SPY (~$313,560,729). This was a decrease of ~72% from their previous position.
- An addition of 175,997 shares of $COF (~$37,445,122). This was an increase of ~inf% over their previous position.
- An addition of 6,330 shares of $BKNG (~$36,645,889). This was an increase of ~74% over their previous position.
- An addition of 451,825 shares of $K (~$35,933,642). This was an increase of ~375% over their previous position.
- A decrease of -69,947 shares of $MSFT (~$34,792,337). This was a decrease of ~3% from their previous position.
- A decrease of -124,489 shares of $CRM (~$33,946,905). This was a decrease of ~38% from their previous position.
Note that there may be inaccuracies in these estimates due to filing errors by the funds, parsing errors by us, or other anomalies.
Check out Quiver Quantitative's fund page for Calamos Advisors LLC for more details.
