<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 6)
Redwood Trust, Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common/Convertible Preferred
- --------------------------------------------------------------------------------
(Title of Class of Securities)
Common-758075402 Preferred-758075600
- --------------------------------------------------------------------------------
(CUSIP Number)
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
WALLACE R. WEITZ & COMPANY 47-0654095
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group (See Instructions) (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
STATE OF NEBRASKA
- -------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially 2,134,814
Owned by --------------------------------------------------
Each Reporting (6) Shared Voting Power
Person With: NONE
--------------------------------------------------
(7) Sole Dispositive Power
2,134,814
--------------------------------------------------
(8) Shared Dispositive Power
NONE
- -------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
2,134,814
- -------------------------------------------------------------------------------
(10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) / /
- -------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
24.2%
- -------------------------------------------------------------------------------
(12) Type of Reporting Person (See Instructions)
IA
- -------------------------------------------------------------------------------
<PAGE>
SCHEDULE 13G Page -2-
ITEM 1.
(a) Name of Issuer
REDWOOD TRUST, INC.
---------------------------------------------------------------------
(b) Address of Issuer's Principal Executive Offices
591 REDWOOD HIGHWAY, SUITE 3100
MILL VALLEY, CALIFORNIA 94941
---------------------------------------------------------------------
ITEM 2.
(a) Name of Person Filing
WALLACE R. WEITZ & COMPANY
---------------------------------------------------------------------
(b) Address of Principal Business Office or, if none, Residence
1125 SOUTH 103RD STREET, SUITE 600
OMAHA, NEBRASKA 68124-6008
---------------------------------------------------------------------
(c) Citizenship
STATE OF NEBRASKA
---------------------------------------------------------------------
(d) Title of Class of Securities
COMMON/Convertible Preferred
---------------------------------------------------------------------
(e) CUSIP Number
COMMON-758075402
Preferred-758075600
---------------------------------------------------------------------
ITEM 3. If this statement is filed pursuant to Rules 13d-1(b), or 23-d(b),
check whether the person filing is a:
/X/ INVESTMENT ADVISER REGISTERED UNDER SECTION 203 OF THE
INVESTMENT ADVISER ACT OF 1940
ITEM 4. OWNERSHIP
Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned:
2,134,814
---------------------------------------------------------------------------
(b) Percent of class:
24.2%
---------------------------------------------------------------------------
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote
2,134,814
-----------------------------------------------------------------
(ii) Shared power to vote or to direct the vote
NONE
-----------------------------------------------------------------
(iii) Sole power to dispose or to direct the disposition of
2,134,814
-----------------------------------------------------------------
(iv) Shared power to dispose or to direct the disposition of
NONE
-----------------------------------------------------------------
<PAGE>
ITEM 10. CERTIFICATION
By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired in the
ordinary course of business and were not acquired for the
purpose of the effect of changing or influencing the control of
the issuer of securities and were not acquired in connection
with or as a participant in any transaction having purposes
or effect.
/s/ Wallace R. Weitz
----------------------------------------
Wallace R. Weitz, President
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.
Date: 12/10/99 /s/ Wallace R. Weitz
-------- -----------------------------------------------------
Wallace R. Weitz, President
