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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, Q1 2026

Institutional positions in ONE Nuclear Energy Inc. as of Mar 31, 2026. 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
0 vs. Q4 2025
Shares held
15.8M
−498.9K (−3.1%) vs. Q4 2025
Total value
$4.47M
−$82.3K (−1.8%) vs. Q4 2025
New holders
2
2 more added
Sold out
2
10 more reduced

Compare with Q4 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 holdersQ1 2026: 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 heldQ1 2026: $4.47M
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, Q1 2026

Shares, value and share of portfolio for each institution holding ONE Nuclear Energy Inc.; share changes are against Q4 2025.

Institutions holding HVIIR in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Tenor Capital Management Co., L.P.1,500,000$427.5K0.01%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund1,500,000$427.5K0.00%00.0%Unchanged
Linden Advisors LP1,443,732$370.2K0.00%00.0%Unchanged
CNH Partners LLC1,279,013$364.5K0.01%−9,431−0.7%Reduced
D. E. Shaw & Co., Inc.850,000$242.3K0.00%00.0%Unchanged
Harraden Circle Investments, LLC825,362$235.2K0.05%00.0%Unchanged
Sculptor Capital LP700,000$199.5K0.00%00.0%Unchanged
Magnetar Financial LLC700,000$199.5K0.00%00.0%Unchanged
Wealthspring Capital LLC683,740$194.9K0.05%−3,550−0.5%Reduced
Verition Fund Management LLC608,890$173.5K0.00%+400+0.1%Added
Polar Asset Management Partners Inc.500,000$142.5K0.00%00.0%Unchanged
LMR Partners LLP450,000$128.3K0.00%00.0%Unchanged
Shaolin Capital Management LLC450,000$128.3K0.01%00.0%Unchanged
BNP Paribas Arbitrage, SA444,056$126.6K0.00%00.0%Unchanged
Rivernorth Capital Management, LLC399,487$113.9K0.01%00.0%Unchanged
Clear Street Group Inc.383,850$109.4K0.00%−8,723−2.2%Reduced
K2 Principal Fund, L.P.309,177$86.6K0.01%−85,420−21.6%Reduced
Moore Capital Management, LP300,000$85.5K0.00%00.0%Unchanged
Berkley W R Corp248,550$70.8K0.00%00.0%Unchanged
Periscope Capital Inc.221,173$63.0K0.01%−28,827−11.5%Reduced
Toronto Dominion Bank209,431$59.7K0.00%+9,431+4.7%Added
Whitebox Advisors LLC200,000$57.0K0.00%00.0%Unchanged
Picton Mahoney Asset Management200,000$57.0K0.00%00.0%Unchanged
Gritstone Asset Management LLC197,900$56.4K0.06%00.0%Unchanged
Meteora Capital, LLC189,800$54.1K0.00%−200−0.1%Reduced
Context Capital Management, LLC187,500$53.4K0.00%00.0%Unchanged
Saba Capital Management, L.P.175,000$44.9K0.00%00.0%Unchanged
DLD Asset Management, LP156,484$44.6K0.00%00.0%Unchanged
Walleye Capital LLC149,884$42.7K0.00%−1,000−0.7%Reduced
Parallax Volatility Advisers, L.P.125,198$40.1K0.00%−50,000−28.5%Reduced
MYDA Advisors LLC60,000$17.1K0.00%+60,000New
Readystate Asset Management LP48,331$13.8K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC29,199$8.32K0.00%−60,035−67.3%Reduced
Glazer Capital, LLC29,750$8.00K0.00%00.0%Unchanged
RMB Capital Management, LLC27,560$7.86K0.00%00.0%Unchanged
Susquehanna International Group, LLP25,558$7.28K0.00%+25,558New
T3 Companies, LLC19,700$5.62K0.01%−5,746−22.6%Reduced
Condor Capital Management13,650$3.89K0.00%00.0%Unchanged
Aventail Capital Group, LP0$00.00%−271,818−100.0%Sold out
Commonwealth of Pennsylvania Public School Empls Retrmt Sys0$00.00%−69,543−100.0%Sold out