Vault-13

X-ENERGY INC XE

COM CL A · Common Stock · CUSIP 98386P102

American nuclear reactor and fuel design engineering company

189 institutional holders
179,760,211179.8m shares reported held*
$3.3bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($27.2m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $18.36. Options: 8 managers hold calls ($12.1m notional), 9 hold puts ($31.7m).

Trends to Q2 2026

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$10m$20m$30m$40mQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $12.1mQ2 26 puts: $31.7mQ2 26P/C 2.62
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$0$0—
Q1 2026$0$0—
Q2 2026$12.1m$31.7m2.62

Biggest buyers

AMAZON COM INC New +65,836,948+65.8m
SEGRA CAPITAL MANAGEMENT, LLC New +14,475,734+14.5m
ARES MANAGEMENT LLC New +13,844,585+13.8m
ONTARIO TEACHERS PENSION PLAN BOARD New +8,464,443+8.5m
VAN ECK ASSOCIATES CORP New +7,121,895+7.1m
Point72 Asset Management, L.P. New +5,689,086+5.7m
ARK Investment Management LLC New +5,411,846+5.4m
BlackRock, Inc. New +4,399,867+4.4m
JANE STREET GROUP, LLC New +3,855,908+3.9m
DOW CHEMICAL CO /DE/ New +3,792,499+3.8m

Biggest sellers

None

Biggest calls

CITADEL ADVISORS LLC New $3.6m193.9k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $2.4m131.6k shares
BARCLAYS PLC New $1.4m77.9k shares
SIMPLEX TRADING, LLC New $1.3m70.3k shares
IMC-Chicago, LLC New $1.3m69.5k shares
JANE STREET GROUP, LLC New $1.2m65.5k shares
GROUP ONE TRADING LLC New $815.2k44.4k shares
RAYMOND JAMES FINANCIAL INC New $94.5k6.3k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $16.5m900.8k shares
JANE STREET GROUP, LLC New $4.7m255.1k shares
CITADEL ADVISORS LLC New $3.4m182.6k shares
Caption Management, LLC New $2.2m122.5k shares
IMC-Chicago, LLC New $1.8m100.5k shares
SIMPLEX TRADING, LLC New $989.6k53.9k shares
TUDOR INVESTMENT CORP ET AL New $918.0k50.0k shares
BARCLAYS PLC New $826.2k45.0k shares
GROUP ONE TRADING LLC New $255.2k13.9k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Ghaffarian Kamal Seyed 13G · exempt (held before listing) new · filed 2026-08-14 25.0% new 92.9m≈ $1.7bn 2026-08-14
AMAZON COM INC 13G · exempt (held before listing) new · filed 2026-08-06 22.9% new 65.8m≈ $1.2bn 2026-08-06
Ares Partners Holdco LLC 13G · exempt (held before listing) new · filed 2026-08-12 12.3% new 38.3m≈ $702.5m 2026-08-12
GFNCI LLC 13G · passive investor new · filed 2026-05-04 6.8% new 18.6m≈ $340.7m 2026-05-04
SEGRA CAPITAL MANAGEMENT, LLC 13G · institution new · filed 2026-07-17 5.3% new 15.1m≈ $277.8m 2026-07-17
JANE STREET GROUP, LLC 13G · passive investor new · filed 2026-09-04 5.2% new 15.3m≈ $281.3m 2026-09-04

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 4 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——
Q4 20250—0——
Q1 20260—0——
Q2 20264$282.9k0——
Q3 20260—0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-04-27 HYLE KATHLEEN W Director Bought 10,000 $23.00 $230.0k10.0k shares +8%
2026-04-27 GARCIA LAURA Chief Accounting Officer Bought 1,200 $23.00 $27.6k1.2k shares +1%
2026-04-27 Wallace Michael J Wallace Director Bought 1,000 $23.00 $23.0k1.0k shares +1%
2026-04-27 Duling Joel President, TRISO-X Bought 100 $23.00 $2.3k100 shares +<1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 AMAZON COM INC 27.33% of their portfolio SEATTLE, WA 65,836,94865.8m $1.2bn $1.2bn 27.33% New
2 SEGRA CAPITAL MANAGEMENT, LLC 61.09% of their portfolio PALM BEACH, FL 14,475,73414.5m $265.8m $265.8m 61.09% New
3 ARES MANAGEMENT LLC 11.08% of their portfolio LOS ANGELES, CA 13,844,58513.8m $254.2m $254.2m 11.08% New
4 ONTARIO TEACHERS PENSION PLAN BOARD 0.99% of their portfolio Toronto, A6 8,464,4438.5m $155.4m $155.4m 0.99% New
5 VAN ECK ASSOCIATES CORP 0.08% of their portfolio NEW YORK, NY 7,121,8957.1m $130.8m $130.8m 0.08% New
6 Point72 Asset Management, L.P. 0.16% of their portfolio STAMFORD, CT 5,689,0865.7m $104.5m $104.5m 0.16% New
7 ARK Investment Management LLC 0.65% of their portfolio ST. PETERSBURG, FL 5,411,8465.4m $99.4m $99.4m 0.65% New
8 BlackRock, Inc. 0.00% of their portfolio New York, NY 4,399,8674.4m $80.8m $80.8m 0.00% New
9 JANE STREET GROUP, LLC 0.05% of their portfolio NEW YORK, NY 3,855,9083.9m $70.8m $70.8m 0.05% New
10 DOW CHEMICAL CO /DE/ 30.48% of their portfolio MIDLAND, MI 3,792,4993.8m $69.6m $69.6m 30.48% New
11 D. E. Shaw & Co., Inc. 0.04% of their portfolio New York, NY 3,776,2013.8m $69.3m $69.3m 0.04% New
12 CITADEL ADVISORS LLC 0.03% of their portfolio MIAMI, FL 2,406,0752.4m $44.2m $44.2m 0.03% New
13 Hood River Capital Management LLC 0.31% of their portfolio PALM BEACH GARDENS, FL 2,335,4372.3m $42.9m $42.9m 0.31% New
14 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 2,320,0742.3m $42.6m $42.6m 0.00% New
15 SOROS FUND MANAGEMENT LLC 0.54% of their portfolio NEW YORK, NY 2,245,4542.2m $41.2m $41.2m 0.54% New
16 UBS Group AG 0.01% of their portfolio ZURICH, V8 2,045,2642.0m $37.6m $37.6m 0.01% New
17 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,843,2321.8m $33.8m $33.8m 0.00% New
18 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,512,4981.5m $27.8m $27.8m 0.00% New
19 DG Capital Management, LLC 9.62% of their portfolio NEW YORK, NY 1,512,3391.5m $27.8m $27.8m 9.62% New
20 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.03% of their portfolio Paris, I0 1,502,0351.5m $27.6m $27.6m 0.03% New
21 Amova Asset Management Americas, Inc. 0.34% of their portfolio New York, NY 1,454,8751.5m $26.7m $26.7m 0.34% New
22 Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio CHIYODA-KU, TOKYO, M0 1,448,5791.4m $26.6m $26.6m 0.02% New
23 Zimmer Partners, LP 0.54% of their portfolio NEW YORK, NY 1,244,6741.2m $22.9m $22.9m 0.54% New
24 ALKEON CAPITAL MANAGEMENT LLC 0.07% of their portfolio New York, NY 1,000,0001.0m $18.4m $18.4m 0.07% New
25 Two Seas Capital LP 0.70% of their portfolio RYE, NY 1,000,0001.0m $18.4m $18.4m 0.70% New
26 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 949,971950.0k $17.4m $17.4m 0.00% New
27 Alyeska Investment Group, L.P. 0.04% of their portfolio CHICAGO, IL 873,847873.8k $16.0m $16.0m 0.04% New
28 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 817,587817.6k $15.0m $15.0m 0.00% New
29 ExodusPoint Capital Management, LP 0.13% of their portfolio NEW YORK, NY 745,137745.1k $13.7m $13.7m 0.13% New
30 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 733,879733.9k $13.5m $13.5m 0.00% New
31 VIKING GLOBAL INVESTORS LP 0.04% of their portfolio STAMFORD, CT 714,286714.3k $13.1m $13.1m 0.04% New
32 BAMCO INC /NY/ 0.02% of their portfolio NEW YORK, NY 695,538695.5k $12.8m $12.8m 0.02% New
33 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 687,486687.5k $12.6m $12.6m 0.00% New
34 Tairen Capital Ltd 1.03% of their portfolio HONG KONG, K3 636,000636.0k $11.7m $11.7m 1.03% New
35 FMR LLC 0.00% of their portfolio BOSTON, MA 627,400627.4k $11.5m $11.5m 0.00% New
36 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 590,765590.8k $10.8m $10.8m 0.01% New
37 SEVEN GRAND MANAGERS, LLC 0.37% of their portfolio BRONXVILLE, NY 500,000500.0k $9.2m $9.2m 0.37% New
38 NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.01% of their portfolio PHILADELPHIA, PA 430,634430.6k $7.9m $7.9m 0.01% New
39 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 418,976419.0k $7.7m $7.7m 0.00% New
40 BlueCrest Capital Management Ltd 0.32% of their portfolio ST HELIER, Y9 405,000405.0k $7.4m $7.4m 0.32% New
41 NORGES BANK 0.00% of their portfolio OSLO, Q8 400,000400.0k $7.3m $7.3m 0.00% Not comparable
42 Yaupon Capital Management LP 0.24% of their portfolio NEW YORK, NY 400,000400.0k $7.3m $7.3m 0.24% New
43 Ghisallo Capital Management LLC 0.14% of their portfolio BOSTON, MA 400,000400.0k $7.3m $7.3m 0.14% New
44 Aventail Capital Group, LP 0.40% of their portfolio NEW YORK, NY 381,198381.2k $7.0m $7.0m 0.40% New
45 Nepsis Inc. 2.31% of their portfolio Minneapolis, MN 370,212370.2k $6.8m $6.8m 2.31% New
46 Blackstone Inc. 0.02% of their portfolio NEW YORK, NY 325,000325.0k $6.0m $6.0m 0.02% Not comparable
47 Squarepoint Ops LLC 0.01% of their portfolio NEW YORK, NY 325,000325.0k $6.0m $6.0m 0.01% New
48 Burkehill Global Management, LP 0.22% of their portfolio NEW YORK, NY 325,000325.0k $6.0m $6.0m 0.22% New
49 Hudson Bay Capital Management LP 0.03% of their portfolio STAMFORD, CT 320,000320.0k $5.9m $5.9m 0.03% New
50 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 303,328303.3k $5.6m $5.6m 0.00% New
51 Covalis Capital LLP 0.31% of their portfolio LONDON, X0 301,185301.2k $5.5m $5.5m 0.31% New
52 REAVES W H & CO INC 0.08% of their portfolio JERSEY CITY, NJ 300,000300.0k $5.5m $5.5m 0.08% New
53 IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.34% of their portfolio DUBLIN 2, L2 293,276293.3k $5.4m $5.4m 0.34% New
54 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 288,274288.3k $5.3m $5.3m 0.00% New
55 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 270,988271.0k $5.0m $5.0m 0.00% New
56 LMR Partners LLP 0.03% of their portfolio LONDON, X0 250,588250.6k $4.6m $4.6m 0.03% New
57 Merewether Investment Management, LP 0.08% of their portfolio DALLAS, TX 224,312224.3k $4.1m $4.1m 0.08% New
58 Thiel Macro LLC 0.88% of their portfolio LOS ANGELES, CA 200,000200.0k $3.7m $3.7m 0.88% New
59 Freestone Grove Partners LP 0.02% of their portfolio San Francisco, CA 191,750191.8k $3.5m $3.5m 0.02% New
60 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 183,567183.6k $3.4m $3.4m 0.00% New
61 Defiance ETFs, LLC 0.05% of their portfolio NEW YORK, NY 183,203183.2k $3.4m $3.4m 0.05% New
62 Tidal Investments LLC 0.01% of their portfolio Milwaukee, WI 182,111182.1k $3.3m $3.3m 0.01% New
63 Sourcerock Group LLC 0.17% of their portfolio DENVER, CO 179,848179.8k $3.3m $3.3m 0.17% New
64 Davidson Kempner Capital Management LP 0.05% of their portfolio New York, NY 177,500177.5k $3.3m $3.3m 0.05% Not comparable
65 KEYSTONE INVESTORS PTE LTD 0.17% of their portfolio SINGAPORE, U0 174,377174.4k $3.2m $3.2m 0.17% First filing
66 WESTWOOD HOLDINGS GROUP INC 0.02% of their portfolio DALLAS, TX 171,140171.1k $3.1m $3.1m 0.02% New
67 Woodline Partners LP 0.01% of their portfolio San Francisco, CA 168,809168.8k $3.1m $3.1m 0.01% New
68 READYSTATE ASSET MANAGEMENT LP 0.12% of their portfolio CHICAGO, IL 160,285160.3k $2.9m $2.9m 0.12% New
69 Jain Global LLC 0.03% of their portfolio NEW YORK, NY 159,625159.6k $2.9m $2.9m 0.03% New
70 Weiss Asset Management LP 0.03% of their portfolio BOSTON, MA 149,539149.5k $2.7m $2.7m 0.03% Not comparable
71 Vennlight Capital Management, LP 1.83% of their portfolio WESTON, CT 148,843148.8k $2.7m $2.7m 1.83% New
72 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 138,650138.7k $2.5m $2.5m 0.00% New
73 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 132,899132.9k $2.4m $2.4m 0.00% New
74 Walleye Capital LLC 0.01% of their portfolio NEW YORK, NY 129,046129.0k $2.4m $2.4m 0.01% New
75 Baltimore-Washington Financial Advisors, Inc. 0.09% of their portfolio Columbia, MD 125,010125.0k $2.3m $2.3m 0.09% New
76 TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio STAMFORD, CT 121,676121.7k $2.2m $2.2m 0.01% New
77 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 103,703103.7k $1.9m $1.9m 0.00% New
78 Centiva Capital, LP 0.06% of their portfolio New York, NY 100,000100.0k $1.8m $1.8m 0.06% New
79 Shay Capital LLC 0.20% of their portfolio NEW YORK, NY 100,000100.0k $1.8m $1.8m 0.20% New
80 LuminArx Capital Management LP 0.85% of their portfolio NEW YORK, NY 100,000100.0k $1.8m $1.8m 0.85% New
81 BW Gestao de Investimentos Ltda. 0.04% of their portfolio SAO PAULO, D5 99,959100.0k $1.8m $1.8m 0.04% New
82 COHEN & STEERS, INC. 0.00% of their portfolio NEW YORK, NY 99,51999.5k $1.8m $1.8m 0.00% New
83 WINTON GROUP Ltd 0.05% of their portfolio LONDON, X0 89,57589.6k $1.6m $1.6m 0.05% New
84 CastleKnight Management LP 0.05% of their portfolio New York, NY 78,40078.4k $1.4m $1.4m 0.05% New
85 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 68,12668.1k $1.3m $1.3m 0.00% New
86 PORTLAND INVESTMENT COUNSEL INC. 0.31% of their portfolio BURLINGTON, A6 60,00060.0k $1.1m $1.1m 0.31% New
87 CAZ INVESTMENTS LP 0.36% of their portfolio HOUSTON, TX 60,00060.0k $1.1m $1.1m 0.36% New
88 New Age Alpha Advisors, LLC 0.05% of their portfolio RYE, NY 60,00060.0k $1.1m $1.1m 0.05% New
89 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 54,41054.4k $999.0k $999.0k 0.00% New
90 VIKING FUND MANAGEMENT LLC 0.08% of their portfolio MINOT, ND 50,00050.0k $918.0k $918.0k 0.08% New
91 Anson Funds Management LP 0.08% of their portfolio DALLAS, TX 50,00050.0k $918.0k $918.0k 0.08% New
92 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 49,59649.6k $910.6k $910.6k 0.00% New
93 PRELUDE CAPITAL MANAGEMENT, LLC 0.06% of their portfolio NEW YORK, NY 48,20648.2k $885.1k $885.1k 0.06% New
94 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 46,93846.9k $861.8k $861.8k 0.00% New
95 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 45,23645.2k $830.0k $830.0k 0.00% New
96 Steward Partners Investment Advisory, LLC 0.00% of their portfolio STAMFORD, CT 42,58342.6k $781.8k $781.8k 0.00% New
97 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 40,07640.1k $735.8k $735.8k 0.00% New
98 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 38,85338.9k $769.7k $769.7k 0.00% New
99 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 38,53438.5k $707.5k $707.5k 0.00% New
100 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 37,36337.4k $686.0k $686.0k 0.00% New