<PAGE>
Filed Pursuant to
Rule 424(b)(3) and (c)
File No. 333-41111
PROSPECTUS SUPPLEMENT NO. 2 DATED JUNE 1, 1998
TO PROSPECTUS DATED APRIL 30, 1998
PETSMART, INC.
$200,000,000
6 3/4% Convertible Subordinated Notes due 2004
and
Shares of Common Stock Issuable Upon Conversion thereof
This Prospectus Supplement should be read in conjunction with the Prospectus
dated April 30, 1998 (the "Prospectus"). The table on pages 37 and 38 of the
Prospectus setting forth information concerning the Selling Securityholders is
superseded by the following table:
SELLING SECURITYHOLDERS
The following table sets forth the names of the Selling Securityholders, the
number of shares of Common Stock owned by each of them as of the date of this
supplement and the principal amount of Notes and number of Conversion Shares
which may be offered pursuant to this Prospectus. The information is based upon
information provided by or on behalf of the Selling Securityholders. The Selling
Securityholders may offer all, some or none of their Notes or Conversion Shares.
<TABLE>
<CAPTION>
PRINCIPAL AMOUNT
OF NOTES OWNED PRINCIPAL AMOUNT COMMON STOCK
PRIOR TO OF NOTES OFFERED OWNED PRIOR TO COMMON STOCK
NAME OFFERING(1) HEREBY OFFERING(1)(2) OFFERED HEREBY
- -------------------------------------------- ------------------ ---------------- --------------- --------------
<S> <C> <C> <C> <C>
AAM/Zazove Institutional Income Fund,
L.P....................................... $ 1,800,000 $ 1,800,000 0 0
Alpine Associates........................... 5,250,000 5,250,000 0 0
Argent Classic Convertible Arbitrage Fund
(Bermuda), Ltd............................ 10,750,000 10,750,000 0 0
Argent Convertible Arbitrage Fund Ltd....... 250,000 250,000 0 0
Bank of America Pension Plan................ 2,000,000 2,000,000 0 0
California PERS............................. 2,500,000 2,500,000 0 0
Canadian Imperial Holdings, Inc............. 4,000,000 4,000,000 0 0
Commonwealth Life Insurance Company......... 2,750,000 2,750,000 0 0
Cramblit & Carney Incorporated.............. 3,441,000 3,441,000 126,500 0
Daniel H. Renberg and Associates, Inc....... 675,000 675,000 111,900 0
Dean Witter Convertible Securities Trust.... 4,500,000 4,500,000 0 0
Dean Witter Income Builder Fund............. 3,800,000 3,800,000 0 0
Dean Witter Variable Income Builder Fund.... 400,000 400,000 0 0
Deutsche Bank A.G. London................... 1,200,000 1,200,000 0 0
Donaldson, Lufkin & Jenrette Securities
Corporation (3)........................... 10,920,000 10,920,000 0 0
Forest Convertible Opportunity Fund......... 248,000 248,000 0 0
Forest Fulcrum Fund, LP..................... 3,611,000 3,611,000 0 0
Forest Global Convert Fund Ser A-1.......... 100,000 100,000 0 0
Forest Global Convert Fund Ser A-5.......... 3,236,000 3,236,000 0 0
Forest Global Convert Fund Ser B-1.......... 252,000 252,000 0 0
Forest Global Convert Fund Ser B-2.......... 200,000 200,000 0 0
Forest Global Convert Fund Ser B-3.......... 200,000 200,000 0 0
Forest Global Convert Fund Ser B-5.......... 275,000 275,000 0 0
Forest Performance Fund..................... 280,000 280,000 0 0
Forest Performance Greyhound................ 220,000 220,000 0 0
Forum Capital Markets LP.................... 1,000,000 1,000,000 0 0
Fox Family Foundation....................... 150,000 150,000 0 0
Fox Family Portfolio Partnership............ 400,000 400,000 0 0
GPZ Trading................................. 2,000,000 2,000,000 453 0
Hamilton Partners Limited................... 9,250,000 9,250,000 0 0
Highbridge Capital Corporation.............. 4,700,000 4,700,000 0 0
HSBC Securities Inc......................... 2,200,000 2,200,000 0 0
KA Management Ltd........................... 855,000 855,000 0 0
KA Trading L.P.............................. 645,000 645,000 0 0
LDG Limited................................. 300,000 300,000 0 0
LLT Limited................................. 1,500,000 1,500,000 0 0
Newport Falcon Fund III Ltd................. 1,000,000 1,000,000 0 0
McMahan Securities Company, L.P............. 1,000,000 1,000,000 0 0
</TABLE>
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<TABLE>
<CAPTION>
PRINCIPAL AMOUNT
OF NOTES OWNED PRINCIPAL AMOUNT COMMON STOCK
PRIOR TO OF NOTES OFFERED OWNED PRIOR TO COMMON STOCK
NAME OFFERING(1) HEREBY OFFERING(1)(2) OFFERED HEREBY
- -------------------------------------------- ------------------ ---------------- --------------- --------------
<S> <C> <C> <C> <C>
The Minnesota Mutual Life Insurance
Company................................... 565,000 565,000 0 0
Orrington International Fund Ltd............ 350,000 350,000 0 0
Orrington Investments Limited Partnership... 650,000 650,000 0 0
Paloma Securities L.L.C..................... 3,150,000 3,150,000 0 0
Pentium Fund LTD............................ 500,000 500,000 0 0
Phoenix Capital Offshore Fund Ltd........... 500,000 500,000 0 0
Pillar Equity Income Fund................... 500,000 500,000 0 0
R2 Investments, LDC......................... 800,000 800,000 0 0
Silverton International Fund Limited........ 2,100,000 2,100,000 0 0
Societe Generale Securities Corp............ 5,336,000 5,336,000 0 0
South Dakota Retirement System.............. 1,000,000 1,000,000 0 0
Southport Management Partners L.P........... 3,000,000 3,000,000 0 0
Southport Partners International LTD........ 2,000,000 2,000,000 0 0
St. Albans Partners Ltd..................... 1,000,000 1,000,000 0 0
TQA Arbitrage Fund, L.P..................... 550,000 550,000 0 0
TQA Leverage Fund, L.P...................... 1,000,000 1,000,000 0 0
TQA Vantage Fund, Ltd....................... 750,000 750,000 0 0
TQA Vantage Plus, Ltd....................... 400,000 400,000 0 0
Yield Strategies Fund II, LP................ 1,000,000 1,000,000 0 0
TOTAL....................................... $ 113,009,000 $ 113,009,000 238,853 0
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</TABLE>
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(1) Beneficial ownership is determined in accordance with the Rule of the SEC
and generally includes voting or investment power with respect to
securities. Except as otherwise indicated by footnote, and subject to
community property laws where applicable, the persons named in the table
have sole voting and investment power with respect to all shares on Common
Stock shown as beneficially owned by them.
(2) Includes Conversion Shares based on a conversion price of $8.75 per share
and a cash payment in lieu of any fractional interest.
Because the Selling Securityholders may offer all or some of the Notes that
they hold and/or Conversion Shares pursuant to the offering contemplated by
this Prospectus, and because there are currently no agreements, arrangements
or understandings with respect to the sale of any of the Notes or Conversion
Shares by the Selling Securityholders, no estimate can be given as to the
principal amount of Notes or Conversion of Shares that will be held by the
Selling Securityholders after completion of this offering.
2
