X0202 SCHEDULE 13D 0001504304 XXXXXXXX LIVE Common Stock 07/24/2026 false 0002028699 G2949D104 Dynamix Corp

PO BOX 309 UGLAND HOUSE Grand Cayman E9 0000

Phillip Goldstein 914 747-5262 250 Pehle Ave. Suite 708 Saddle Brook NJ 07663 0001504304 N Bulldog Investors, LLP WC N DE 76216.00 593705.00 76216.00 593705.00 669921.00 N 3.03 IA Y Phillip Goldstein WC N X1 76216.00 729567.00 76216.00 729567.00 805783.00 N 3.64 IN Y Andrew Dakos WC N X1 0.00 630705.00 0.00 630705.00 630705.00 N 2.85 IN Common Stock Dynamix Corp PO BOX 309 UGLAND HOUSE Grand Cayman E9 0000 This Schedule 13D relates to the shares of Common Stock of Dynamix Corp. ("DYNC" or the "Issuer") The principal executive offices of DYNC are located at: PO BOX 309, UGLAND House, GRAND CAYMAN, Cayman Islands, 0000 This statement is filed on behalf of Bulldog Investors, LLP (a Delaware Limited Liability Partnership), Phillip Goldstein, and Andrew Dakos. The business address of the reporting persons is 250 Pehle Ave,. Suite 708, Saddle Brook, NJ 07663. Bulldog Investors, LLP is a registered investment adviser. Messrs. Goldstein and Dakos are partners of Bulldog Investors, LLP. N/A N/A Each of Messrs Goldstein and Dakos is a citizen of the United States. Shares of the Issuer have been accumulated on behalf of clients of Bulldog Investors, LLP and its affiliate. On July 24, 2026, the filing persons received a written response to the letter filed herewith from the issuer's counsel stating, in part, that "Dynamix's directors and officers have at all times complied, and will continue to comply, with their duties, which are owed to Dynamix under Cayman Islands law, their obligations under Dynamix's organizational documents and agreements, and Dynamix's Code of Business Conduct and Ethics and other corporate policies and procedures." However, the response did not provide any basis for that conclusion. As per the 10-Q filed May 14, 2026 there were 22,133,333 shares of common stock outstanding as of May 8, 2026. The percentages set forth herein were derived using such number. Phillip Goldstein and Andrew Dakos own Bulldog Investors, LLP, a registered investment advisor. As of July 24, 2026, Bulldog Investors, LLP is deemed to be the beneficial owner of 669,921 shares of DYNC (representing 3.03% of DYNC's outstanding shares) solely by virtue of Bulldog Investors, LLP's power to direct the vote of, and dispose of, these shares. As of July 24, 2026, Mr. Goldstein is deemed to be the beneficial owner of 805,783 shares of DYNC (representing 3.64% of DYNC's outstanding shares) and Mr. Dakos is deemed to be the beneficial owner of 630,705 Shares of DYNC (representing 2.85% of DYNC's outstanding shares) by virtue of their power to direct the vote of, and dispose of, these shares. Bulldog Investors, LLP has sole power to dispose of and vote 76,216 shares. Bulldog Investors, LLP has shared power to dispose and vote 593,705 shares. Certain of Bulldog Investors, LLP's clients (none of whom beneficially own more than 5% of DYNC's shares) share this power with Bulldog Investors. Messrs. Goldstein and Dakos are partners of Bulldog Investors, LLP. During the last 60 days the following shares of DYNC were purchased. Date Shares Price 7/17/26 4,021 10.7900 6/23/26 25,000 10.7972 6/23/26 11,473 10.7900 6/22/26 36,120 10.8000 6/18/26 400 10.8000 6/17/26 2,500 10.8000 6/16/26 2,000 10.7995 6/15/26 11,771 10.7996 6/12/26 8,445 10.8000 6/10/26 17,609 10.7995 6/9/26 12,232 10.7954 6/8/26 5,912 10.7997 6/5/26 7,929 10.9899 6/4/26 20,000 10.7770 6/3/26 165,950 10.7773 6/2/26 3,468 10.7837 6/1/26 12,353 10.7829 5/29/26 5,887 10.7963 5/28/26 15,730 10.7955 5/27/26 42,503 10.7893 Clients of Bulldog Investors, LLP and the owners of accounts reflected herein are entitled to receive any dividends or sales proceeds. 7/24/2026 N/A Exhibit 1: Letter to the Board of Directors. Exhibit 2: Agreement to make joint filings. Bulldog Investors, LLP /s/ Andrew Dakos 07/27/2026 Phillip Goldstein /s/ Phillip Goldstein 07/27/2026 Andrew Dakos /s/ Andrew Dakos 07/27/2026