SCHEDULE 13G/A 0000950142-25-000585 0001573283 XXXXXXXX LIVE 1 Class A Common Stock 09/30/2025 0001592386 Virtu Financial, Inc. 928254101 1633 BROADWAY NEW YORK NY 10019 Rule 13d-1(d) Douglas A. Cifu X1 484312.00 3650546.00 484312.00 3650546.00 4134858.00 N 4.67 IN The Reporting Person may be deemed to beneficially own: (i) the 2,830,742 shares of Class A common stock, par value $0.00001 per share (the "Class A common stock") of Virtu Financial, Inc. (the "Issuer") issuable to DAC Investment LLC at any time upon the exchange of 2,830,742 non-voting common interest units of Virtu Financial LLC (the "Virtu Financial Units") acquired prior to the completion of the Issuer's initial public offering on April 21, 2015 (the "IPO"), and an equal number of shares of Class C common stock, par value $0.00001 per share, of the Issuer held by DAC Investments LLC by virtue of the Reporting Person's ownership of the entity with his spouse; (ii) the 819,804 shares of Class A common stock issuable to the Cifu 2025 GST Trust, at any time upon the exchange of the 819,804 Virtu Financial Units acquired prior to the completion of the IPO and an equal number of shares of Class C common stock held by the Cifu 2025 GST Trust, by virtue of the Reporting Person's relationship with his spouse, who holds dispositive control and voting control and (iii) the 484,312 shares of Class A common stock underlying an equal number of vested deferred stock units held by the Reporting Person. Based on (i) 84,906,703 shares of Class A common stock that were issued and outstanding as of October 23, 2025 as reported in the Quarterly Report on Form 10-Q of the Issuer for the quarterly period ended September 30, 2025, filed with the U.S. Securities and Exchange Commission on October 30, 2025 (the "Q3 2025 Form 10-Q"), and (ii) 3,650,546 shares of Class A common stock issuable to the Reporting Person upon the exchange of the 3,650,546 Virtu Financial Units and an equal number of shares of Class C common stock held by the Reporting Person. DAC Investment LLC DE 0.00 2830742.00 0.00 2830742.00 2830742.00 N 3.23 OO Represents 2,830,742 shares of Class A common stock issuable to the Reporting Person at any time upon the exchange of the 2,830,742 Virtu Financial Units acquired prior to the completion of the IPO, and an equal number of shares of Class C common stock held by the Reporting Person. Based on (i) 84,906,703 shares of Class A common stock that were issued and outstanding as of October 23, 2025 as reported in the Q3 2025 Form 10-Q, and (ii) 2,830,742 shares of Class A common stock issuable to the Reporting Person upon the exchange of the 2,830,742 Virtu Financial Units and an equal number of shares of Class C common stock held by the Reporting Person. Cifu Family 2011 Trust DE 0.00 0.00 0.00 0.00 0.00 N 0 OO Cifu Family 2020 Trust DE 0.00 0.00 0.00 0.00 0.00 N 0 OO Cifu 2025 GST Trust DE 0.00 819804.00 0.00 819804.00 819804.00 N 0.96 OO Represents 819,804 shares of Class A common stock issuable to the Reporting Person at any time upon the exchange of the 819,804 Virtu Financial Units and an equal number of shares of Class C common stock. Based on (i) 84,906,703 shares of Class A common stock that were issued and outstanding as of October 23, 2025 as reported in the Q3 2025 Form 10-Q, and (ii) 819,804 shares of Class A common stock issuable to the Reporting Person upon the exchange of the 819,804 Virtu Financial Units and an equal number of shares of Class C common stock held by the Reporting Person. Virtu Financial, Inc. 1633 BROADWAY, NEW YORK, NY, 10019 This statement is being filed on behalf of each of the following persons (each, a "Reporting Person" and, collectively, the "Reporting Persons"): (1) Douglas A. Cifu, a U.S. citizen (2) DAC Investment LLC, a Delaware limited liability company (3) Cifu Family 2011 Trust (4) Cifu Family 2020 Trust (5) Cifu 2025 GST Trust. Explanatory Note This Amendment No. 1 (this "Amendment") amends and supplements the Schedule 13G originally filed by the Reporting Persons with the U.S. Securities and Exchange Commission on February 28, 2025. This Amendment is being filed to disclose that the Reporting Persons have ceased to be the beneficial owners of more than five percent of the outstanding shares of the Issuer. c/o Virtu Financial, Inc. 3835 PGA Blvd, 6th Floor Palm Beach Gardens, Florida 33410 See Row 4 of each Reporting Person's cover page. Y The response of the Reporting Persons to Row 9 in each of their respective cover pages to this Section 13G is incorporated herein by reference. The response of the Reporting Persons to Row 11 in each of their respective cover pages to this Section 13G is incorporated herein by reference. The response of the Reporting Persons to Row 5, 6, 7, 8, 9 and 11 in each of their respective cover pages to this Section 13G are incorporated herein by reference. Pursuant to Rule 13d-4 of the Exchange Act, the Reporting Persons declare that filing this Statement shall not be construed as an admission that any such person is, for the purposes of Section 13(d) and/or Section 13(g) of the Exchange Act, the beneficial owners of any securities covered by this Schedule 13G except to the extent of such persons' pecuniary interest in the shares of Class A common stock reported herein, and except to the extent of its pecuniary interest, such beneficial ownership is expressly disclaimed by each Reporting Person. See Row 6 of each Reporting Person's cover page. See Row 7 of each Reporting Person's cover page. See Row 8 of each Reporting Person's cover page. N Y Y Y Y Y Y Exhibit 99.3: Joint Filing Agreement, dated as of November 14, 2025. Exhibit 99.4: Power of Attorney, dated as of November 14, 2025. Douglas A. Cifu /s/ Justin Waldie 11/14/2025 DAC Investment LLC /s/ Justin Waldie 11/14/2025 Cifu Family 2011 Trust /s/ Justin Waldie 11/14/2025 Cifu Family 2020 Trust /s/ Justin Waldie 11/14/2025 Cifu 2025 GST Trust /s/ Justin Waldie 11/14/2025