<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
Westower Corporation
- --------------------------------------------------------------------------------
(Name of Issuer)
COMMON STOCK
- --------------------------------------------------------------------------------
(Title of Class of Securities)
96121E101
- --------------------------------------------------------------------------------
(CUSIP Number)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
Page 1
<PAGE>
CUSIP No. 96121E101
---------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Tudor Investment Corporation
------------------------------------------------------------------------
22-2514825
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
----------------------------------
- --------------------------------------------------------------------------------
(5) Sole Voting Power 0
-----------------------------------------
Number of -----------------------------------------------------------------
Shares (6) Shared Voting Power 396,580
Beneficially --------------------------------------
Owned by -----------------------------------------------------------------
Each (7) Sole Dispositive Power 0
Reporting ------------------------------------
Person -----------------------------------------------------------------
With (8) Shared Dispositive Power 396,580
----------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 396,580
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 4.9%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
------------------------
- --------------------------------------------------------------------------------
Page 2
<PAGE>
CUSIP No. 96121E101
---------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Paul Tudor Jones, II
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization USA
----------------------------------
- --------------------------------------------------------------------------------
(5) Sole Voting Power 0
-----------------------------------------
Number of -----------------------------------------------------------------
Shares (6) Shared Voting Power 424,600
Beneficially --------------------------------------
Owned by -----------------------------------------------------------------
Each (7) Sole Dispositive Power 0
Reporting ------------------------------------
Person -----------------------------------------------------------------
With (8) Shared Dispositive Power 424,600
----------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 424,600
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 5.2%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) IN
------------------------
- --------------------------------------------------------------------------------
Page 3
<PAGE>
CUSIP No. 96121E101
---------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Tudor BVI Futures, Ltd.
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization British Virgin Islands
----------------------------------
- --------------------------------------------------------------------------------
(5) Sole Voting Power 0
-----------------------------------------
Number of -----------------------------------------------------------------
Shares (6) Shared Voting Power 112,605
Beneficially --------------------------------------
Owned by -----------------------------------------------------------------
Each (7) Sole Dispositive Power 0
Reporting ------------------------------------
Person -----------------------------------------------------------------
With (8) Shared Dispositive Power 112,605
----------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 112,605
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 1.4%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
------------------------
- --------------------------------------------------------------------------------
Page 4
<PAGE>
CUSIP No. 96121E101
---------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Tudor Proprietary Trading, L.L.C.
------------------------------------------------------------------------
13-3720063
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
----------------------------------
- --------------------------------------------------------------------------------
(5) Sole Voting Power 0
-----------------------------------------
Number of -----------------------------------------------------------------
Shares (6) Shared Voting Power 28,020
Beneficially --------------------------------------
Owned by -----------------------------------------------------------------
Each (7) Sole Dispositive Power 0
Reporting ------------------------------------
Person -----------------------------------------------------------------
With (8) Shared Dispositive Power 28,020
----------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 28,020
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 0.3%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) OO
------------------------
- --------------------------------------------------------------------------------
Page 5
<PAGE>
CUSIP No. 96121E101
---------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
The Raptor Global Fund L.P.
------------------------------------------------------------------------
13-3735415
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
----------------------------------
- --------------------------------------------------------------------------------
(5) Sole Voting Power 0
-----------------------------------------
Number of -----------------------------------------------------------------
Shares (6) Shared Voting Power 56,900
Beneficially --------------------------------------
Owned by -----------------------------------------------------------------
Each (7) Sole Dispositive Power 0
Reporting ------------------------------------
Person -----------------------------------------------------------------
With (8) Shared Dispositive Power 56,900
----------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 56,900
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 0.7%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) PN
------------------------
- --------------------------------------------------------------------------------
Page 6
<PAGE>
CUSIP No. 96121E101
---------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
The Raptor Global Fund Ltd.
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Cayman Islands
----------------------------------
- --------------------------------------------------------------------------------
(5) Sole Voting Power 0
-----------------------------------------
Number of -----------------------------------------------------------------
Shares (6) Shared Voting Power 199,593
Beneficially --------------------------------------
Owned by -----------------------------------------------------------------
Each (7) Sole Dispositive Power 0
Reporting ------------------------------------
Person -----------------------------------------------------------------
With (8) Shared Dispositive Power 199,593
----------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 199,593
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 2.4%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
------------------------
- --------------------------------------------------------------------------------
Page 7
<PAGE>
CUSIP No. 96121E101
---------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
The Upper Mill Capital Appreciation Fund Ltd.
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Cayman Islands
----------------------------------
- --------------------------------------------------------------------------------
(5) Sole Voting Power 0
-----------------------------------------
Number of -----------------------------------------------------------------
Shares (6) Shared Voting Power 27,482
Beneficially --------------------------------------
Owned by -----------------------------------------------------------------
Each (7) Sole Dispositive Power 0
Reporting ------------------------------------
Person -----------------------------------------------------------------
With (8) Shared Dispositive Power 27,482
----------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 27,482
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 0.3%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
------------------------
- --------------------------------------------------------------------------------
Page 8
<PAGE>
Item 1(a). Name of Issuer:
Westower Corporation
Item 1(b). Address of Issuer's Principal Executive Offices:
7001 NE 40th Avenue
Vancouver, WA 98661
Item 2(a). Name of Person Filing:
Tudor Investment Corporation ("TIC")
Paul Tudor Jones, II
Tudor BVI Futures, Ltd. ("Tudor BVI")
Tudor Proprietary Trading, L.L.C. ("TPT")
The Raptor Global Fund L.P. ("Raptor L.P.")
The Raptor Global Fund Ltd. ("Raptor Ltd.")
The Upper Mill Capital Appreciation Fund Ltd. ("Upper Mill")
Item 2(b). Address of Principal Business Office or, if none, Residence:
The principal business office of each of TIC, TPT, and Raptor L.P.
is:
600 Steamboat Road
Greenwich, CT 06830
The principal business office of Mr. Jones is:
c/o Tudor Investment Corporation
600 Steamboat Road
Greenwich, CT 06830
The principal business office of each of Tudor BVI, Raptor Ltd. and
Upper Mill is:
c/o CITCO
Kaya Flamboyan 9
Curacao, Netherland Antilles
Item 2(c). Citizenship:
TIC is a Delaware corporation
Tudor BVI is a company organized under the laws of the British
Virgin Islands
Mr. Jones is a citizen of the United States
Raptor L.P. is a Delaware limited partnership
TPT is a Delaware limited liability company
Raptor Ltd. and Upper Mill are companies organized under the laws of
the Cayman Islands
Item 2(d). Title of Class of Securities:
Common Stock
Item 2(e). CUSIP Number:
96121E101
Page 9
<PAGE>
Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b),
check whether the person filing is a:
(a) [ ] Broker or Dealer registered under section 15 of the Act
(b) [ ] Bank as defined in section 3(a)(6) of the Act
(c) [ ] Insurance Company as defined in section 3(a)(19) of the Act
(d) [ ] Investment Company registered under section 8 of the
Investment Company Act
(e) [ ] Investment Adviser registered under section 203 of the
Investment Advisers Act of 1940
(f) [ ] Employment Benefit Plan, Pension Fund which is subject to
the provisions of the Employee Retirement Income Security
Act of 1974 or Endowment Fund; see section 240.13d-
1(b)(1)(ii)(F)
(g) [ ] Parent Holding Company, in accordance with section 240.13d-
1(b)(1)(ii)(G) (Note: See Item 7)
(h) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(H)
ITEM 4. OWNERSHIP (AS OF JANUARY 25, 1999).
(a) Amount Beneficially Owned: See Item 9 of cover pages
(b) Percent of Class: See Item 11 of cover pages
(c) Number of shares as to which such person has:
<TABLE>
<S> <C>
(i) sole power to vote or to direct the vote See Item 5 of cover pages
------------------------------------------
(ii) shared power to vote or to direct the vote See Item 6 of cover pages
------------------------------------------
(iii) sole power to dispose or to direct the disposition of See Item 7 of cover pages
-----------------------------------
(iv) shared power to dispose or to direct the disposition of See Item 8 of cover pages
----------------------------------
--------------------------------------------------------------------------------------------
</TABLE>
Item 5. Ownership of Five Percent or Less of a Class.
Not applicable
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Not applicable
Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company.
Not applicable
Item 8. Identification and Classification of Members of the Group.
See cover pages
Item 9. Notice of Dissolution of Group.
Not applicable
Page 10
<PAGE>
Item 10. Certification.
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Dated: January 25, 1999
TUDOR INVESTMENT CORPORATION
By: /s/ Andrew S. Paul
---------------------------------------------
Andrew S. Paul
Managing Director and General Counsel
/s/ Paul Tudor Jones, II
-------------------------------------------------
Paul Tudor Jones, II
TUDOR BVI FUTURES, LTD.
By: Tudor Investment Corporation,
Trading Advisor
By: /s/ Andrew S. Paul
-----------------------------------------
Andrew S. Paul
Managing Director and General Counsel
Page 11
<PAGE>
TUDOR PROPRIETARY TRADING, L.L.C.
By: /s/ Andrew S. Paul
---------------------------------------------
Andrew S. Paul
Managing Director and General Counsel
THE RAPTOR GLOBAL FUND L.P.
By: Tudor Investment Corporation,
General Partner
By: /s/ Andrew S. Paul
-----------------------------------------
Andrew S. Paul
Managing Director and General Counsel
THE RAPTOR GLOBAL FUND LTD.
By: Tudor Investment Corporation,
Investment Advisor
By: /s/ Andrew S. Paul
-----------------------------------------
Andrew S. Paul
Managing Director and General Counsel
THE UPPER MILL CAPITAL APPRECIATION FUND LTD.
By: Tudor Investment Corporation,
Sub-Investment Manager
By: /s/ Andrew S. Paul
----------------------------------
Andrew S. Paul
Managing Director and General
Counsel
Page 12
