UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D
                    Under the Securities Exchange Act of 1934

                              (Amendment No. 3)(1)


                            Tikcro Technologies, Ltd.
- --------------------------------------------------------------------------------
                                (Name of Issuer)

                  Ordinary Shares, NIS $.10 par value per share
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    M8789G100
- --------------------------------------------------------------------------------
                                 (CUSIP Number)

                                Steven N. Bronson
                             Catalyst Financial LLC
                               100 Mill Plain Road
                           Danbury, Connecticut 06811

                                 with a copy to:

                            James A. Prestiano, Esq.
                           631 Commack Road, Suite 2A
                             Commack, New York 11725
                                 (631) 499-6000
- --------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 August 17, 2005
- --------------------------------------------------------------------------------
             (Date of Event which Requires Filing of This Statement)

- -------------------------

        If the filing person has previously filed a statement on Schedule 13G to
report the acquisition that is the subject of this Schedule 13D, and is filing
this schedule because of Sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g),
check the following box [ ].

         Note: Schedules filed in paper format shall include a signed original
         and five copies of the schedule, including all exhibits. See Section
         240.13d-7(b) for other parties to whom copies are to be sent.


(1) 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 disclosures provided in a prior cover page.

     The information required on 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).

                         (Continued on following pages)



CUSIP No. M8789G100             SCHEDULE 13D
- --------------------------------------------------------------------------------
1    NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

     Steven N. Bronson
- --------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
                                                                 (a)  [  ]
                                                                 (b)  [  ]
- --------------------------------------------------------------------------------
3    SEC USE ONLY


- --------------------------------------------------------------------------------
4    SOURCE OF FUNDS (See Instructions)

     PF
- --------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                       [ ]

- --------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     USA
- --------------------------------------------------------------------------------
  NUMBER OF       7    SOLE VOTING POWER

   SHARES              2,129,732
                  --------------------------------------------------------------
BENEFICIALLY      8    SHARED VOTING POWER

  OWNED BY             0
                  --------------------------------------------------------------
    EACH          9    SOLE DISPOSITIVE POWER

  REPORTING            2,129,732
                  --------------------------------------------------------------
   PERSON         10   SHARED DISPOSITIVE POWER

    WITH               0
- --------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,129,732
- --------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
     (See Instructions)                                                   [ ]

- --------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     9.0 %
- --------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON (See Instructions)

     IN
- --------------------------------------------------------------------------------



CUSIP No. M8789G100             SCHEDULE 13D

Item 1.  Security and Issuer.

     This statement relates to the Ordinary Shares NIS $.10 par value ("Ordinary
Shares") of Tikcro Technologies, Ltd. (the "Issuer"). The Issuer's principal
executive office is located at 126 Yigal Allon Street, Tel Aviv 67443, Israel.
The Issuer has previously reported that as of December 31, 2003, the Issuer had
23,726,401 shares of Ordinary Shares issued and outstanding.


Item 2.  Identity and Background.

     (a) This Schedule 13D is filed on behalf of Steven N. Bronson.

     (b) Mr. Bronson's business address is 100 Mill Plain Road Danbury,
Connecticut 06811.

     (c) Mr. Bronson is the president of Catalyst Financial LLC ("Catalyst"), a
broker-dealer registered under the Securities Exchange Act of 1934. The
principal place of business of Catalyst is 100 Mill Plain Road Danbury,
Connecticut 06811.

     (d) Mr. Bronson has not, during the past five years, been convicted in a
criminal proceeding (excluding traffic violations or similar misdemeanors).

     (e) Mr. Bronson has not, during the past five years, been a party to a
civil proceeding of a judicial or administrative body of competent jurisdiction
nor has Mr. Bronson been nor is he now subject to a judgment, decree, or final
order enjoining further violations of, or prohibiting or mandating activities
subject to federal or state securities laws or finding any violation with
respect to such laws.

     (f) Mr. Bronson is a citizen of the United States of America.


Item 3.  Source and Amount of Funds or Other Consideration.

     On August 17, 2005, Mr. Bronson using his own personal funds purchased
159,000 shares of Ordinary Shares in an open market transaction at $0.35 per
share for a total cost of approximately $55,650.


Item 4.  Purpose of Transaction.

     Mr. Bronson may, for his own account, (i) increase or decrease his
beneficial ownership of Ordinary Shares or other securities of the Issuer, (ii)
sell all or part of his shares of Ordinary Shares in open market or privately
negotiated sales or otherwise, or (iii) make further purchases of shares of
Ordinary Shares or other securities of the Issuer through open market or
privately negotiated transactions or otherwise. Mr. Bronson has not reached any
decision with respect to any such possible actions. If Mr. Bronson does reach a
decision to undertake any of the above described possible actions, he will,
among other things, timely file an appropriate amendment to this Schedule 13D.

     Other than as described above, Mr. Bronson does not have any plans or
proposals which relate or would result in:

     (a) The acquisition by any person of additional securities of the Issuer,
or the disposition of securities of the Issuer;

     (b) An extraordinary corporate transaction, such as a merger,
reorganization or liquidation involving the Issuer or any of its subsidiaries;

     (c) A sale or transfer of a material amount of assets of the Issuer or any
of its subsidiaries;

    (d) Any change in the present Board of Directors or management of the
Issuer, including any plans or proposals to change the number or term of
directors or to fill any vacancies on the Board of Directors of the Issuer;



     (e) Any material change in the present capitalization or dividend policy of
the Issuer;

     (f) Any other material change in the Issuer's business or corporate
structure;

     (g) Changes in the Issuer's charter, by-laws, or instruments corresponding
thereto or any actions which may impede the acquisition or control of the Issuer
by any person;

     (h) Causing a class of securities of the Issuer to be delisted form a
national securities exchange or to cease to be authorized to be quoted in an
inter-dealer quotation system of a registered national securities association;

     (i) A class of equity securities of the Issuer becoming eligible for
termination of registration pursuant to Section 12(g)(4) of the Act; or

     (j) Any action similar to any of those enumerated above.


Item 5.  Interest in Securities of the Issuer.

     (a)(b) Mr. Bronson may be deemed to beneficially own an aggregate of
2,129,732 shares of the Issuer's Ordinary Shares, representing approximately
9.0% of the total shares of Ordinary Shares issued and outstanding.

     (c) The following open market transactions were effected by Mr. Bronson
during the past sixty (60) days or since the filing of his last Schedule 13D:

                                    Number of
                                 Ordinary Shares
Trade Date   Security          Purchased (Sold)    Price per share
- --------------------------------------------------------------------
7/14/05     Ordinary Shares       143,293              $ .36
5/12/05     Ordinary Shares        19,800              $ .377
2/7/05      Ordinary Shares       (50,000)             $ .43

     (d) No other person is known to have the right to receive or the power to
direct the receipt of dividends from, or the proceeds from the sale of such
securities of the Issuer.

     (e) Not applicable


Item 6.  Contracts, Arrangements, Understandings or Relationships with Respect
         to Securities of the Issuer.

     None


Item 7.  Material to be Filed as Exhibits.

     None


     After reasonable inquiry and to the best of my knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.

Date: August 22, 2005

                                              /s/ Steven N. Bronson
                                              ---------------------------------
                                              STEVEN N. BRONSON



     Attention. Intentional misstatements or omissions of fact constitute
federal criminal violations (See 18 U.S.C. Section l001).