<PAGE>
FILED PURSUANT TO RULE 424(b)(3) AND (c)
FILE NO. 333-32926
SUPPLEMENT TO PROSPECTUS
DATED MARCH 30, 2000
5,900,903 Shares
QUALCOMM INCORPORATED
COMMON STOCK
------------------
The Prospectus, dated March 30, 2000, as declared effective on March 30,
2000, is hereby supplemented as follows to modify the "Selling Stockholders"
table on pages 16-18 of the Prospectus.
SELLING STOCKHOLDERS
The table of Selling Stockholders in the prospectus is amended to add
Hambrecht & Quist Employee Venture Fund, L.P. as a Selling Stockholder and to
correct the number of shares beneficially owned and the number of shares
being offered by each of Hambrecht & Quist Employee Venture Fund, L.P. II and
Hambrecht & Quist Employee Venture Fund, L.P., as follows:
<TABLE>
<CAPTION>
SHARES BENEFICIALLY
OWNED SHARES BENEFICIALLY OWNED
PRIOR TO OFFERING NUMBER OF AFTER OFFERING
------------------- SHARES BEING -------------------------
SELLING STOCKHOLDERS NUMBER PERCENT OFFERED NUMBER PERCENT
-------------------- -------- --------- ------------ ----------- -----------
<S> <C> <C> <C> <C> <C>
Hambrecht & Quist Employee Venture Fund, L.P. II 816 * 816 0 0
Hambrecht & Quist Employee Venture Fund, L.P. 4,898 * 4,898 0 0
</TABLE>
--------------------
* Less than 1%
------------------
The date of this Supplement is September 27, 2000
