X-Energy, Inc. (XE) shareholders
XENasdaqFabricated Plate Work (Boiler Shops)Fiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026
$11.08−0.18 (-1.60%)
Close on Nov 13, 2026Market cap $4.50BP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
44.6%
181M of 406M shares
Institutional holders
189
189 new, 0 sold out
Net institutional buying
181M
In Q2 2026
Insider trades, 12 months
4 buys · 0 sales
Net bought $282.90K
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Kamal Seyed Ghaffarian Joint filing with X-Energy Holdings, LLC (21.80%) | 92,871,109 | 25.00% | 13G (passive) | Jun 30, 2026 |
| Amazon.com, Inc. | 65,836,948 | 22.90% | 13G (passive) | Jun 30, 2026 |
| Ares Partners Holdco LLC Joint filing with Ares X-Energy Holdings LP (8.70%) | 38,263,341 | 12.30% | 13G (passive) | Jun 30, 2026 |
| Kenneth Griffin Joint filing with Gfnci LLC (5.90%), XERC Holdings LLC (5.90%) | 18,558,001 | 6.80% | 13G (passive) | Apr 27, 2026 |
| Segra Global Management, LLC Joint filing with Adam Rodman (5.30%), Segra Capital Management, LLC (5.30%) | 15,129,629 | 5.30% | 13G (passive) | Jun 9, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of XE | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Amazon Com Inc | 65,836,948 | 16.20% | $1.21B | New | 27.33% |
| Segra Capital Management, LLC | 14,475,734 | 3.56% | $265.77M | New | 53.62% |
| Ares Management LLC | 13,844,585 | 3.41% | $254.19M | New | 11.08% |
| Ontario Teachers Pension Plan Board | 8,464,443 | 2.08% | $155.41M | New | 0.99% |
| Van Eck Associates Corp | 7,121,895 | 1.75% | $130.76M | New | 0.08% |
| Point72 Asset Management, L.P. | 5,689,086 | 1.40% | $104.45M | New | 0.12% |
| ARK Investment Management LLC | 5,411,846 | 1.33% | $99.36M | New | 0.65% |
| BlackRock, Inc. | 4,399,867 | 1.08% | $80.78M | New | 0.00% |
| Jane Street Group, LLC | 3,855,908 | 0.95% | $70.79M | New | 0.01% |
| Dow Chemical Co /De/ | 3,792,499 | 0.93% | $69.63M | New | 30.48% |
| D. E. Shaw & Co., Inc. | 3,776,201 | 0.93% | $69.33M | New | 0.03% |
| Citadel Advisors LLC | 2,406,075 | 0.59% | $44.18M | New | 0.01% |
| Hood River Capital Management LLC | 2,335,437 | 0.57% | $42.88M | New | 0.31% |
| Price T Rowe Associates Inc /Md/ | 2,320,074 | 0.57% | $42.60M | New | 0.00% |
| Soros Fund Management LLC | 2,245,454 | 0.55% | $41.23M | New | 0.51% |
| UBS Group AG | 2,045,264 | 0.50% | $37.55M | New | 0.00% |
| Vanguard Capital Management LLC | 1,843,232 | 0.45% | $33.84M | New | 0.00% |
| Vanguard Portfolio Management LLC | 1,512,498 | 0.37% | $27.77M | New | 0.00% |
| DG Capital Management, LLC | 1,512,339 | 0.37% | $27.77M | New | 5.85% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,502,035 | 0.37% | $27.58M | New | 0.03% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 189 | 181M | 44.6% | 189 / 0 | 0 / 0 | 181M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of XE | Value | % of fund | As of |
|---|---|---|---|---|---|
| Global X Uranium ETF | 10,106,688 | 2.49% | $164.84M | 3.03% | Jul 31, 2026 |
| VanEck Uranium and Nuclear ETF | 5,483,217 | 1.35% | $100.67M | 2.39% | Jun 30, 2026 |
| ARK Innovation ETF | 4,595,271 | 1.13% | $74.95M | 1.35% | Jul 31, 2026 |
| Hood River Small-Cap Growth Fund | 1,979,416 | 0.49% | $36.34M | 0.55% | Jun 30, 2026 |
| ARK Autonomous Technology & Robotics ETF | 1,531,027 | 0.38% | $24.97M | 1.34% | Jul 31, 2026 |
| Vanguard Total Stock Market Index Fund | 1,268,084 | 0.31% | $23.28M | 0.00% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 911,954 | 0.22% | $16.74M | 0.01% | Jun 30, 2026 |
| T. Rowe Price Science & Technology Fund, Inc. | 755,500 | 0.19% | $13.87M | 0.08% | Jun 30, 2026 |
| ARK Space & Defense Innovation ETF | 617,420 | 0.15% | $10.07M | 1.33% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 533,780 | 0.13% | $9.80M | 0.01% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 523,530 | 0.13% | $9.61M | 0.02% | Jun 30, 2026 |
| Baron Discovery Fund | 493,434 | 0.12% | $9.06M | 0.50% | Jun 30, 2026 |
| Voya Small Cap Growth Fund | 488,841 | 0.12% | $13.15M | 0.62% | May 31, 2026 |
| Columbia Seligman Technology and Information Fund | 461,740 | 0.11% | $12.43M | 0.04% | May 31, 2026 |
| T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund | 356,997 | 0.09% | $6.55M | 0.07% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Jeffrey Clay Sell | Chief Executive Officer, Director | 3,747,172 | 0.92% | Apr 24, 2026 |
| Daniel Andrew Gross | See Remarks | 1,025,183 | 0.25% | Jun 3, 2026 |
| Laura Garcia | Chief Accounting Officer | 240,300 | 0.06% | Jun 3, 2026 |
| Joel Duling | President, TRISO-X | 552,699 | 0.14% | Apr 29, 2026 |
| Dinkar S. Bhatia | See Remarks | 574,335 | 0.14% | Apr 24, 2026 |
| Steven L. Miller | See Remarks | 948,747 | 0.23% | Apr 24, 2026 |
| Dragan Popovic | See Remarks | 544,962 | 0.13% | Apr 24, 2026 |
| Kamal Seyed Ghaffarian | Director, 10% owner | 90,949,365 | 22.38% | Nov 4, 2026 |
| Michael J. Wallace Wallace | Director | 137,161 | 0.03% | Jun 26, 2026 |
| Christopher Ginther | Director | 124,162 | 0.03% | Apr 29, 2026 |
| Kathleen W. Hyle | Director | 134,162 | 0.03% | Apr 29, 2026 |
| Gregory James Goff | Director | 124,162 | 0.03% | Apr 29, 2026 |
| Edward Sonnenschein | Director | 850,945 | 0.21% | Apr 29, 2026 |
| David B. Kaplan | Director | – | – | Apr 24, 2026 |
| Allyson Satin | Director | – | – | Apr 24, 2026 |
| X-Energy Holdings, LLC | 10% owner | – | – | Nov 4, 2026 |
| Investments Pooling LLC - Series 31 ACIP | – | – | – | Apr 29, 2026 |
| X-Energy Holdings LP Ares | – | – | – | Apr 29, 2026 |
| Partners Holdco LLC Ares | – | 29,859,375 | 7.35% | Apr 29, 2026 |
| Com Inc Amazon | 10% owner | 65,836,948 | 16.20% | Apr 24, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Kamal Seyed Ghaffarian Director, 10% owner | Nov 2, 2026 | Other | +108,174 | – | – | 5,416,689 |
| Kamal Seyed Ghaffarian Director, 10% owner | Jun 12, 2026 | Other | +279,438 | – | – | 5,308,515 |
| Laura Garcia Chief Accounting Officer | Jun 1, 2026 | Award | +43,478 | – | – | 240,300 |
| Daniel Andrew Gross See Remarks | Jun 1, 2026 | Award | +246,665 | – | – | 1,025,183 |
| Michael J. Wallace Wallace Director | Apr 28, 2026 | Award | +6,522 | – | – | 77,683 |
| Edward Sonnenschein Director | Apr 28, 2026 | Award | +6,522 | – | – | 820,114 |
| Gregory James Goff Director | Apr 28, 2026 | Award | +6,522 | – | – | 124,162 |
| Kathleen W. Hyle Director | Apr 28, 2026 | Award | +6,522 | – | – | 134,162 |
| Kamal Seyed Ghaffarian Director, 10% owner | Apr 28, 2026 | Award | +6,522 | – | – | 1,240,543 |
| Christopher Ginther Director | Apr 28, 2026 | Award | +6,522 | – | – | 124,162 |
| Michael J. Wallace Wallace Director | Apr 27, 2026 | Buy | +1,000 | $23.00 | $23.00K | 71,161 |
| Laura Garcia Chief Accounting Officer | Apr 27, 2026 | Buy | +1,200 | $23.00 | $27.60K | 196,822 |
| Joel Duling President, TRISO-X | Apr 27, 2026 | Buy | +100 | $23.00 | $2.30K | 552,699 |
| Kathleen W. Hyle Director | Apr 27, 2026 | Buy | +10,000 | $23.00 | $230.00K | 127,640 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
10.42%
21M shares short
Days to cover
3.3
At 6M shares a day
Change since last report
-6.5%
From 22M shares
Short volume, 20 days
51.8%
Of volume reported to FINRA
Shares sold short, last 7 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of X-Energy's stock actually held short. Settlement fails (shares not delivered on time) peaked at 831,313 shares on Sep 21, 2026 over the last 90 days.
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