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ONE Nuclear Energy Inc.

HVIIR
Exchange
Nasdaq
Industry
Electric Services
SEC CIK
0001846416

No open-market purchases or sales by ONE Nuclear Energy Inc. insiders were filed in the last 90 days; 40 institutions reported holding it in 13F filings for Q2 2026, worth $5.71M in total; no superinvestor holds it.

Other share classesHVIIONENHVIIU

13F holders, Q4 2025

Institutional positions in ONE Nuclear Energy Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
38
+2 vs. Q3 2025
Shares held
16.3M
−251.6K (−1.5%) vs. Q3 2025
Total value
$4.55M
+$18.8K (+0.4%) vs. Q3 2025
New holders
6
5 more added
Sold out
4
12 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting HVIIR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 38 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 23 institutionsQ2 2025: 30 institutionsQ3 2025: 36 institutionsQ4 2025: 38 institutionsQ1 2026: 38 institutionsQ2 2026: 40 institutions
Value heldQ4 2025: $4.55M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $2.62MQ2 2025: $5.42MQ3 2025: $4.53MQ4 2025: $4.55MQ1 2026: $4.47MQ2 2026: $5.71M
Institutions holding HVIIR and their total value by quarter
QuarterHoldersValue
Q2 202640$5.71M
Q1 202638$4.47M
Q4 202538$4.55M
Q3 202536$4.53M
Q2 202530$5.42M
Q1 202523$2.62M
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding ONE Nuclear Energy Inc.; share changes are against Q3 2025.

Institutions holding HVIIR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Tenor Capital Management Co., L.P.1,500,000$418.5K0.01%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund1,500,000$418.5K0.00%00.0%Unchanged
Linden Advisors LP1,443,732$396.9K0.00%00.0%Unchanged
CNH Partners LLC1,288,444$359.5K0.01%−444,056−25.6%Reduced
D. E. Shaw & Co., Inc.850,000$237.2K0.00%00.0%Unchanged
Harraden Circle Investments, LLC825,362$230.3K0.04%+272,562+49.3%Added
Magnetar Financial LLC700,000$195.3K0.00%00.0%Unchanged
Sculptor Capital LP700,000$195.3K0.00%+700,000New
Wealthspring Capital LLC687,290$191.8K0.05%−3,700−0.5%Reduced
Verition Fund Management LLC608,490$169.8K0.00%−258,532−29.8%Reduced
Polar Asset Management Partners Inc.500,000$139.5K0.00%00.0%Unchanged
Shaolin Capital Management LLC450,000$125.5K0.00%−500,000−52.6%Reduced
LMR Partners LLP450,000$125.5K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA444,056$123.9K0.00%+444,056New
Rivernorth Capital Management, LLC399,487$111.5K0.01%+109,487+37.8%Added
K2 Principal Fund, L.P.394,597$110.5K0.01%−211,534−34.9%Reduced
Clear Street Group Inc.392,573$109.5K0.00%−57,427−12.8%Reduced
Moore Capital Management, LP300,000$83.7K0.00%00.0%Unchanged
Aventail Capital Group, LP271,818$75.8K0.00%+271,818New
Periscope Capital Inc.250,000$69.8K0.01%−162,204−39.4%Reduced
Berkley W R Corp248,550$69.3K0.00%00.0%Unchanged
Picton Mahoney Asset Management200,000$55.8K0.00%−50,000−20.0%Reduced
Whitebox Advisors LLC200,000$55.8K0.00%00.0%Unchanged
Toronto Dominion Bank200,000$55.8K0.00%+152,273+319.1%Added
Gritstone Asset Management LLC197,900$55.2K0.05%00.0%Unchanged
Meteora Capital, LLC190,000$53.0K0.00%+89,200+88.5%Added
Context Capital Management, LLC187,500$52.3K0.00%00.0%Unchanged
Parallax Volatility Advisers, L.P.175,198$48.9K0.00%+23,122+15.2%Added
Saba Capital Management, L.P.175,000$48.8K0.00%00.0%Unchanged
DLD Asset Management, LP156,484$43.7K0.00%+156,484New
Walleye Capital LLC150,884$42.1K0.00%−133,491−46.9%Reduced
Schonfeld Strategic Advisors LLC89,234$24.9K0.00%−130,969−59.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys69,543$19.4K0.00%+69,543New
Readystate Asset Management LP48,331$13.5K0.00%−51,669−51.7%Reduced
Glazer Capital, LLC29,750$8.00K0.00%−117,050−79.7%Reduced
RMB Capital Management, LLC27,560$7.69K0.00%00.0%Unchanged
T3 Companies, LLC25,446$7.10K0.01%+25,446New
Condor Capital Management13,650$3.81K0.00%00.0%Unchanged
Centiva Capital, LP0$00.00%−260,185−100.0%Sold out
Alpine Global Management, LLC0$00.00%−143,766−100.0%Sold out
Radcliffe Capital Management, L.P.0$00.00%−25,151−100.0%Sold out
StoneX Group Inc.0$00.00%−15,900−100.0%Sold out