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X-Energy, Inc.

XE
Exchange
Nasdaq
Industry
Fabricated Plate Work (Boiler Shops)
SEC CIK
0002088896

No open-market purchases or sales by X-Energy, Inc. insiders were filed in the last 90 days; 190 institutions reported holding it in 13F filings for Q2 2026, worth $3.34B in total; 3 superinvestors hold it, including ARK Invest and Soros Fund Management.

Holders of 5% or more of XE

Holders whose latest Schedule 13D or 13G filing reports 5% or more of X-Energy, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of XE
HolderLatest formStakeChangeFirst filedLatest filingFiling
Gfnci LLC13G6.80%18.6M sharesNewMay 4, 20261 filingMay 4, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

1 Schedule 13D or 13G filing on X-Energy, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on XE
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 4, 20265:19 PM ETGfnci LLCand 8 others13G6.80%18.6M sharesNewApr 27, 2026SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell X-Energy, Inc. shares.

No Form 144 notices for X-Energy, Inc. are on file.