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Illumination Acquisition Corp. I

ILLUU
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002101135

No open-market purchases or sales by Illumination Acquisition Corp. I insiders were filed in the last 90 days; 15 institutions reported holding it in 13F filings for Q2 2026, worth $55.1M in total; no superinvestor holds it.

Other share classesILLUILLUW

13F holders, Q1 2026

Institutional positions in Illumination Acquisition Corp. I 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
49
+49 vs. Q4 2025
Shares held
20.9M
+20.9M vs. Q4 2025
Total value
$207.5M
+$207.5M vs. Q4 2025
New holders
49
0 more added
Sold out
0
0 more reduced

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ILLUU 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: 49 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: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 49 institutionsQ2 2026: 15 institutions
Value heldQ1 2026: $207.5M
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: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $207.5MQ2 2026: $55.1M
Institutions holding ILLUU and their total value by quarter
QuarterHoldersValue
Q2 202615$55.1M
Q1 202649$207.5M
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
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 Illumination Acquisition Corp. I; share changes are against Q4 2025.

Institutions holding ILLUU in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Magnetar Financial LLC1,850,000$18.4M0.19%+1,850,000New
Kryger Capital LLC1,005,009$9.97M0.70%+1,005,009New
Healthcare of Ontario Pension Plan Trust Fund1,000,000$9.92M0.02%+1,000,000New
LMR Partners LLP1,000,000$9.92M0.09%+1,000,000New
Linden Advisors LP950,000$9.42M0.05%+950,000New
Millennium Management LLC900,000$8.93M0.01%+900,000New
Sona Asset Management (US) LLC900,000$8.93M0.34%+900,000New
Omers Administration Corp800,000$7.94M0.05%+800,000New
Glazer Capital, LLC757,956$7.52M0.16%+757,956New
Oaktree Capital Management LPSuperinvestorOaktree Capital750,000$7.44M0.13%+750,000New
Shaolin Capital Management LLC702,425$6.97M0.29%+702,425New
Aristeia Capital LLC701,693$6.96M0.16%+701,693New
CNH Partners LLC625,959$6.21M0.10%+625,959New
Verition Fund Management LLC625,000$6.20M0.06%+625,000New
Moore Capital Management, LP600,000$5.95M0.22%+600,000New
Alberta Investment Management Corp600,000$5.95M0.04%+600,000New
Toronto Dominion Bank500,500$4.96M0.01%+500,500New
Rivernorth Capital Management, LLC500,000$4.96M0.25%+500,000New
Mint Tower Capital Management B.V.500,000$4.96M0.49%+500,000New
Radcliffe Capital Management, L.P.499,161$4.95M0.37%+499,161New
Whitebox Advisors LLC450,000$4.46M0.06%+450,000New
Tenor Capital Management Co., L.P.400,000$3.97M0.06%+400,000New
Hudson Bay Capital Management LP381,397$3.78M0.02%+381,397New
BNP Paribas Arbitrage, SA374,041$3.71M0.00%+374,041New
Two Sigma Investments, LP362,500$3.60M0.00%+362,500New
Lineage Point Capital LP337,793$3.35M0.82%+337,793New
Berkley W R Corp323,050$3.20M0.17%+323,050New
Picton Mahoney Asset Management300,000$2.98M0.03%+300,000New
Context Capital Management, LLC280,000$2.78M0.06%+280,000New
Polar Asset Management Partners Inc.250,000$2.48M0.06%+250,000New
Centiva Capital, LP250,000$2.48M0.12%+250,000New
Periscope Capital Inc.227,226$2.25M0.39%+227,226New
Saba Capital Management, L.P.200,000$1.98M0.06%+200,000New
Westchester Capital Management, LLC150,000$1.49M0.07%+150,000New
Deltec Asset Management LLC100,000$992.0K0.18%+100,000New
DLD Asset Management, LP100,000$992.0K0.10%+100,000New
BlueCrest Capital Management Ltd100,000$992.0K0.09%+100,000New
Schonfeld Strategic Advisors LLC100,000$992.0K0.01%+100,000New
Virtu Financial LLC87,139$864.0K0.04%+87,139New
MMCAP International Inc. SPC75,000$744.0K0.06%+75,000New
Bulldog Investors, LLP75,000$744.0K0.17%+75,000New
Ionic Capital Management LLC65,000$644.8K0.54%+65,000New
Kepos Capital LP40,000$397.0K0.65%+40,000New
Heights Capital Management, Inc35,600$353.2K0.10%+35,600New
Susquehanna International Group, LLP30,000$297.6K0.00%+30,000New
Abc Arbitrage SA30,000$297.6K0.04%+30,000New
Robinson Capital Management, LLC12,280$122.2K0.05%+12,280New
Citadel Advisors LLC10,519$104.3K0.00%+10,519New
Longfellow Investment Management Co LLC3,933$39.0K0.01%+3,933New