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Aetherium Acquisition Corp

GMFIDelisted Aug 8, 2025
Industry
Blank Checks
SEC CIK
0001866547

Aetherium Acquisition Corp was delisted on Aug 8, 2025; its insiders filed their last Form 4 on May 17, 2024; 13 institutions reported holding it in 13F filings for Q1 2024, worth $18.3M in total; no superinvestor held it.

13F holders, Q4 2022

Institutional positions in Aetherium Acquisition Corp as of Dec 31, 2022. 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
39
−2 vs. Q3 2022
Shares held
10.4M
+398.4K (+4.0%) vs. Q3 2022
Total value
$105.5M
+$6.24M (+6.3%) vs. Q3 2022
New holders
4
8 more added
Sold out
6
2 more reduced

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GMFI 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 2022: 39 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 23 institutionsQ2 2022: 38 institutionsQ3 2022: 41 institutionsQ4 2022: 39 institutionsQ1 2023: 33 institutionsQ2 2023: 13 institutionsQ3 2023: 14 institutionsQ4 2023: 15 institutionsQ1 2024: 13 institutionsQ2 2024: 2 institutionsQ3 2024: 2 institutionsQ4 2024: 1 institutionQ1 2025: 1 institutionQ2 2025: 1 institutionQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2022: $105.5M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $67.6MQ2 2022: $89.2MQ3 2022: $99.3MQ4 2022: $105.5MQ1 2023: $87.0MQ2 2023: $30.1MQ3 2023: $29.8MQ4 2023: $27.6MQ1 2024: $18.3MQ2 2024: $2.74MQ3 2024: $2.61MQ4 2024: $1.23MQ1 2025: $1.29MQ2 2025: $1.29MQ3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding GMFI and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20251$1.29M
Q1 20251$1.29M
Q4 20241$1.23M
Q3 20242$2.61M
Q2 20242$2.74M
Q1 202413$18.3M
Q4 202315$27.6M
Q3 202314$29.8M
Q2 202313$30.1M
Q1 202333$87.0M
Q4 202239$105.5M
Q3 202241$99.3M
Q2 202238$89.2M
Q1 202223$67.6M
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Aetherium Acquisition Corp; share changes are against Q3 2022.

Institutions holding GMFI in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Hudson Bay Capital Management LP780,000$7.94M0.09%00.0%Unchanged
Vivaldi Asset Management, LLC663,500$6.75M0.36%00.0%Unchanged
Shaolin Capital Management LLC615,100$6.26M0.19%00.0%Unchanged
Periscope Capital Inc.552,616$5.63M0.24%+36,116+7.0%Added
Tudor Investment Corp Et Al550,000$5.60M0.14%00.0%Unchanged
Millennium Management LLC541,282$5.51M0.01%00.0%Unchanged
Wolverine Asset Management LLC506,486$5.16M0.08%+22,559+4.7%Added
Calamos Advisors LLC500,000$5.09M0.02%+500,000New
CNH Partners LLC496,212$5.04M0.13%00.0%Unchanged
Marshall Wace, LLP467,225$4.76M0.01%00.0%Unchanged
Starboard Value LPSuperinvestorStarboard Value462,651$4.71M0.09%00.0%Unchanged
683 Capital Management, LLC398,200$4.05M0.37%00.0%Unchanged
Weiss Asset Management LP373,500$3.80M0.18%00.0%Unchanged
Linden Advisors LP353,892$3.60M0.04%00.0%Unchanged
Context Capital Management, LLC331,054$3.37M0.25%00.0%Unchanged
Cubist Systematic Strategies, LLC286,313$2.91M0.03%−10,627−3.6%Reduced
D. E. Shaw & Co., Inc.255,357$2.60M0.00%+50.0%Added
Whitebox Advisors LLC250,000$2.54M0.09%00.0%Unchanged
Barclays PLC240,015$2.44M0.00%00.0%Unchanged
Polar Asset Management Partners Inc.232,299$2.36M0.03%00.0%Unchanged
Sea Otter Advisors LLC219,474$2.23M3.32%00.0%Unchanged
Oaktree Capital Management LPSuperinvestorOaktree Capital200,000$2.04M0.02%00.0%Unchanged
Kim, LLC200,000$2.04M0.11%00.0%Unchanged
Magnetar Financial LLC186,461$1.90M0.03%00.0%Unchanged
Glazer Capital, LLC133,012$1.35M0.03%−27,769−17.3%Reduced
SkyView Investment Advisors, LLC113,334$1.15M0.35%00.0%Unchanged
Dark Forest Capital Management LP111,075$1.13M0.28%+30,015+37.0%Added
MMCAP International Inc. SPC85,000$865.3K0.09%00.0%Unchanged
Goldman Sachs Group Inc57,986$588.6K0.00%00.0%Unchanged
Rpo LLC40,951$416.7K0.16%+40,951New
Robinson Capital Management, LLC36,300$369.2K0.19%+7,900+27.8%Added
Elequin Capital LP31,200$317.6K0.09%+23,200+290.0%Added
Toroso Investments, LLC24,300$247.0K0.01%+7,900+48.2%Added
Centiva Capital, LP20,181$205.4K0.02%00.0%Unchanged
Schonfeld Strategic Advisors LLC19,403$197.4K0.00%00.0%Unchanged
Landscape Capital Management, L.L.C.16,612$169.1K0.02%00.0%Unchanged
State Street Corp16,100$163.4K0.00%+1,400+9.5%Added
Deutsche Bank AG203$2.06K0.00%+203New
Tower Research Capital LLC (TRC)36$00.00%+36New
UBS Oconnor LLC0$00.00%−203,024−100.0%Sold out
Bank of Montreal0$00.00%−18,000−100.0%Sold out
Warberg Asset Management LLC0$00.00%−10,000−100.0%Sold out
Ancora Advisors, LLC0$00.00%−1,000−100.0%Sold out
UBS Group AG0$00.00%−960−100.0%Sold out
Clear Street LLC0$00.00%−500−100.0%Sold out