DUKE Robotics Corp. Schedule 13G: Citadel-related entities report shared beneficial ownership positions in the issuer's common stock. Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC each report 353,296 shares (9.99%); Mr. Kenneth Griffin reports 353,393 shares (9.99%).
The filing ties the class denominator to 3,537,475 Shares outstanding, comprised of 3,407,977 Shares outstanding as of May 19, 2026 (per the issuer's Form 10-Q) plus 129,498 Shares issuable upon conversion of certain warrants with exercise limits that prevent ownership above 9.99% post-exercise.
Positive
None.
Negative
None.
Insights
Citadel affiliates are disclosed near the 9.99% ownership threshold.
The filing shows shared voting and dispositive power for Citadel Advisors LLC, CAH and CGP over 353,296 shares each, and for Mr. Kenneth Griffin over 353,393 shares. The percentages are calculated using a class size of 3,537,475 Shares.
Timing and exercise constraints are explicit: 129,498 warrants are included in the denominator but contain exercise limits preventing post-exercise ownership above 9.99%. Cash‑flow treatment and plans for disposition are not described in the excerpt; subsequent filings would show any transactions.
Key Figures
Shares used for percentage:3,537,475 SharesCitadel Advisors group holdings:353,296 sharesKenneth Griffin holdings:353,393 shares+2 more
5 metrics
Shares used for percentage3,537,475 Sharesdenominator composed of 3,407,977 outstanding + 129,498 issuable warrants
Citadel Advisors group holdings353,296 sharesreported shared beneficial ownership by Citadel Advisors LLC/affiliates
Kenneth Griffin holdings353,393 sharesreported shared beneficial ownership by Mr. Griffin
Percentage of class9.99%percentage reported for Citadel entities and Mr. Griffin
Warrants issuable129,498 sharesincluded in denominator; subject to exercise limits capping ownership at 9.99%
""may be deemed to beneficially own 353,296 Shares""
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
Schedule 13Gregulatory
""This is being jointly filed""
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
What stake does Citadel report in DUKE Robotics (DUKR)?
Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC each report 353,296 shares, representing 9.99% of the class. These holdings are reported as shared voting and dispositive power by the filing.
How much does Kenneth Griffin beneficially own in DUKR?
Kenneth Griffin is reported as beneficially owning 353,393 shares, which the filing states is 9.99% of the Shares outstanding used for the percentage calculation in this filing.
What share count is used to calculate the percentages in the 13G?
The filing uses 3,537,475 Shares outstanding, comprised of 3,407,977 Shares as of May 19, 2026 per the issuer's Form 10-Q and 129,498 Shares issuable upon conversion of certain warrants.
Do the warrants counted in the filing have exercise limits?
Yes. The filing states the 129,498 Shares issuable upon conversion of certain warrants are subject to terms that limit exercise if, after exercise, the holder and affiliates would beneficially own more than 9.99% of the Shares outstanding immediately after exercise.
Does the Schedule 13G show any sole voting or dispositive power?
No. The filing reports 0 shares for sole voting and sole dispositive power for the named Citadel entities and Mr. Griffin; the reported holdings are shown as shared voting and shared dispositive power in the excerpt.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
DUKE Robotics Corp.
(Name of Issuer)
Common stock, par value $0.0001 per share (the "Shares")
(Title of Class of Securities)
903448207
(CUSIP Number)
05/18/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
903448207
1
Names of Reporting Persons
Citadel Advisors LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
353,296.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
353,296.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
353,296.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.99 %
12
Type of Reporting Person (See Instructions)
IA, HC, OO
Comment for Type of Reporting Person: The percentages reported in this Schedule 13G are based upon 3,537,475 Shares outstanding comprised of (i) 3,407,977 Shares outstanding as of May 19, 2026 (according to the issuer's Form 10-Q as filed with the Securities and Exchange Commission on May 20, 2026), and (ii) 129,498 Shares issuable upon conversion of certain warrants held by affiliates of the reporting persons. Except as described in the preceding sentence, all Shares for the holdings of the reporting persons reported in this Schedule 13G are as of the opening of the market on May 26, 2026. The warrants described in clause (ii) are subject to terms that limit exercise, if, after such exercise, the holder and its affiliates would beneficially own more than 9.99% of the number of the Shares outstanding immediately after exercise.
SCHEDULE 13G
CUSIP Number(s):
903448207
1
Names of Reporting Persons
Citadel Advisors Holdings LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
353,296.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
353,296.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
353,296.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.99 %
12
Type of Reporting Person (See Instructions)
HC, PN
SCHEDULE 13G
CUSIP Number(s):
903448207
1
Names of Reporting Persons
Citadel GP LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
353,296.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
353,296.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
353,296.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.99 %
12
Type of Reporting Person (See Instructions)
HC, OO
SCHEDULE 13G
CUSIP Number(s):
903448207
1
Names of Reporting Persons
Citadel Securities LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
97.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
97.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
97.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0.00 %
12
Type of Reporting Person (See Instructions)
BD, OO
SCHEDULE 13G
CUSIP Number(s):
903448207
1
Names of Reporting Persons
Citadel Securities Group LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
97.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
97.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
97.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0.00 %
12
Type of Reporting Person (See Instructions)
HC, PN
SCHEDULE 13G
CUSIP Number(s):
903448207
1
Names of Reporting Persons
Citadel Securities GP LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
97.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
97.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
97.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0.00 %
12
Type of Reporting Person (See Instructions)
HC, OO
SCHEDULE 13G
CUSIP Number(s):
903448207
1
Names of Reporting Persons
Kenneth Griffin
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
353,393.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
353,393.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
353,393.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.99 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
DUKE Robotics Corp.
(b)
Address of issuer's principal executive offices:
10 HaRimon Street, Mevo Carmel Science and Industrial Park, Israel 2069203
Item 2.
(a)
Name of person filing:
This Schedule 13G is being jointly filed by Citadel Advisors LLC ("Citadel Advisors"), Citadel Advisors Holdings LP ("CAH"), Citadel GP LLC ("CGP"), Citadel Securities LLC ("Citadel Securities"), Citadel Securities Group LP ("CALC4"), Citadel Securities GP LLC ("CSGP") and Mr. Kenneth Griffin (collectively with Citadel Advisors, CAH, CGP, Citadel Securities, CALC4 and CSGP, the "Reporting Persons") with respect to the Shares of the above-named issuer owned by Citadel Multi-Strategy Equities Master Fund Ltd., a Cayman Islands company ("CM"), and Citadel Securities. Such owned Shares may include other instruments exercisable for or convertible into Shares.
Citadel Advisors is the portfolio manager for CM. CAH is the sole member of Citadel Advisors. CGP is the general partner of CAH. CALC4 is the non-member manager of Citadel Securities. CSGP is the general partner of CALC4. Mr. Griffin is the President and Chief Executive Officer of CGP, and owns a controlling interest in CGP and CSGP.
The filing of this statement shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any securities covered by the statement other than the securities actually owned by such person (if any).
(b)
Address or principal business office or, if none, residence:
The address of each of the Reporting Persons is 830 Brickell Plaza, Miami, Florida 33131.
(c)
Citizenship:
Each of Citadel Advisors, CGP, Citadel Securities and CSGP is organized as a limited liability company under the laws of the State of Delaware. Each of CALC4 and CAH is organized as a limited partnership under the laws of the State of Delaware. Mr. Griffin is a U.S. citizen.
(d)
Title of class of securities:
Common stock, par value $0.0001 per share (the "Shares")
(e)
CUSIP Number(s):
903448207
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
1. Each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC may be deemed to beneficially own 353,296 Shares.
2. Citadel Securities LLC may be deemed to beneficially own 97 Shares.
3. Each of Citadel Securities Group LP and Citadel Securities GP LLC may be deemed to beneficially own 97 Shares.
4. Mr. Griffin may be deemed to beneficially own 353,393 Shares.
(b)
Percent of class:
1. The number of Shares that each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC may be deemed to beneficially own constitutes 9.99% of the Shares outstanding.
2. The number of Shares that Citadel Securities LLC may be deemed to beneficially own constitutes 0.00% of the Shares outstanding.
3. The number of Shares that each of Citadel Securities Group LP and Citadel Securities GP LLC may be deemed to beneficially own constitutes 0.00% of the Shares outstanding.
4. The number of Shares that Mr. Griffin may be deemed to beneficially own constitutes 9.99% of the Shares outstanding.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
1. Each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC: 0
2. Citadel Securities LLC: 0
3. Each of Citadel Securities Group LP and Citadel Securities GP LLC: 0
4. Mr. Griffin: 0
(ii) Shared power to vote or to direct the vote:
1. Each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC: 353,296
2. Citadel Securities LLC: 97
3. Each of Citadel Securities Group LP and Citadel Securities GP LLC: 97
4. Mr. Griffin: 353,393
(iii) Sole power to dispose or to direct the disposition of:
1. Each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC: 0
2. Citadel Securities LLC: 0
3. Each of Citadel Securities Group LP and Citadel Securities GP LLC: 0
4. Mr. Griffin: 0
(iv) Shared power to dispose or to direct the disposition of:
1. Each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC: 353,296
2. Citadel Securities LLC: 97
3. Each of Citadel Securities Group LP and Citadel Securities GP LLC: 97
4. Mr. Griffin: 353,393
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 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 or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
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, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
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.
Citadel Advisors LLC
Signature:
/s/ Seth Levy
Name/Title:
Seth Levy, Authorized Signatory
Date:
05/26/2026
Citadel Advisors Holdings LP
Signature:
/s/ Seth Levy
Name/Title:
Seth Levy, Authorized Signatory
Date:
05/26/2026
Citadel GP LLC
Signature:
/s/ Seth Levy
Name/Title:
Seth Levy, Authorized Signatory
Date:
05/26/2026
Citadel Securities LLC
Signature:
/s/ Seth Levy
Name/Title:
Seth Levy, Authorized Signatory
Date:
05/26/2026
Citadel Securities Group LP
Signature:
/s/ Seth Levy
Name/Title:
Seth Levy, Authorized Signatory
Date:
05/26/2026
Citadel Securities GP LLC
Signature:
/s/ Seth Levy
Name/Title:
Seth Levy, Authorized Signatory
Date:
05/26/2026
Kenneth Griffin
Signature:
/s/ Seth Levy
Name/Title:
Seth Levy, attorney-in-fact*
Date:
05/26/2026
Comments accompanying signature: * Seth Levy is signing on behalf of Kenneth Griffin as attorney-in-fact pursuant to a power of attorney previously filed with the Securities and Exchange Commission, and hereby incorporated by reference herein. The power of attorney was filed as an attachment to a filing by Citadel Advisors LLC on Schedule 13G for Allakos Inc. on October 13, 2023.
