Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  O MALLEY PATRICK J
 2. Date of Event Requiring Statement (Month/Day/Year)
10/10/2006		 3. Issuer Name and Ticker or Trading Symbol
SEAGATE TECHNOLOGY [STX]
(Last)
(First)
(Middle)
920 DISC DRIVE, ATTN: STOCK PLAN ADMINISTRATION		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP, Finance, Treasurer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SCOTTS VALLEY, CA 95067		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Shares 384,720.53
D
 
Common Shares 46,714
I
Patrick J O'Malley III & Patricia A O'Malley Trustees for the O'Malley Living Trust dtd 11/22/94
Common Shares 13,286
I
O'Malley Grantor Retained Annuity Trust (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
NQ Stock Options 11/22/2001(1) 07/24/2011 Common Shares 218,478 $ 2.3 D  
NQ Stock Options 01/31/2006(2) 01/31/2012 Common Shares 750,000 $ 5 D  
NQ Stock Options 09/27/2006(3) 09/27/2012 Common Shares 100,000 $ 15.065 D  
NQ Stock Options 04/27/2010(4) 04/27/2013 Common Shares 250,000 $ 25.48 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
O MALLEY PATRICK J
920 DISC DRIVE
ATTN: STOCK PLAN ADMINISTRATION
SCOTTS VALLEY, CA 95067		       Sr. VP, Finance, Treasurer  

Signatures

/S/ Roberta S. Cohen for Patrick J. O'Malley 10/20/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Options granted to the Reporting Person under the Issuer's 2001 Share Option Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on November 22, 2001. The remaining option shares vested proportionally each month over the 36 months following November 22, 2001.
(2) Options granted to the Reporting Person under the Issuer's 2001 Share Option Plan are subject to a five year-vesting schedule. 20% vested on January 31, 2006. The balance of shares will vest on January 31, 2007.
(3) Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 27, 2006. The remaining option shares are vesting and will continue to vest proportionally each month over the 36 months following September 27, 2006.
(4) Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a five-year vesting schedule. One half of the option shares will vest on April 27, 2010. The remaining option shares will vest on April 27, 2011.
(5) The Reporting Person disclaims beneficial ownership of any of the Issuer's Common Shares beneficially owned by the O'Malley Grantor Retained Annuity Trust (the "GRAT"). The Reporting Person does not have any voting or dispositive power over the shares beneficially owned by the GRAT.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.