Amentum stock, which was listed in late 2024, has some massive tailwinds behind it. What happenedAccording to a filing with the Securities and Exchange Commission dated Nov. 14, 2025, SEGRA Capital Management, LLC established a new stake in Amentum (AMTM +0.14%), acquiring 417,025 shares. The estimated value of the position was $9.99 million at the end of the third quarter. What else to knowThis is a new position, representing 11.55% of SEGRA Capital Management, LLC’s 13F assets under management.The filing ...