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Yorkville Acquisition Corp.

MCGA
Exchange
Nasdaq
Industry
Finance Services
SEC CIK
0002064658

No open-market purchases or sales by Yorkville Acquisition Corp. insiders were filed in the last 90 days; 54 institutions reported holding it in 13F filings for Q2 2026, worth $153.6M in total; no superinvestor holds it.

Other share classesMCGAUMCGAW

13F holders, Q3 2025

Institutional positions in Yorkville Acquisition Corp. as of Sep 30, 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
55
+55 vs. Q2 2025
Shares held
12.1M
+12.1M vs. Q2 2025
Total value
$129.3M
+$129.3M vs. Q2 2025
New holders
55
0 more added
Sold out
0
0 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MCGA 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 holdersQ3 2025: 55 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: 55 institutionsQ4 2025: 48 institutionsQ1 2026: 52 institutionsQ2 2026: 54 institutions
Value heldQ3 2025: $129.3M
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: $129.3MQ4 2025: $143.7MQ1 2026: $151.7MQ2 2026: $153.6M
Institutions holding MCGA and their total value by quarter
QuarterHoldersValue
Q2 202654$153.6M
Q1 202652$151.7M
Q4 202548$143.7M
Q3 202555$129.3M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Yorkville Acquisition Corp.; share changes are against Q2 2025.

Institutions holding MCGA in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Harraden Circle Investments, LLC1,612,400$17.2M3.38%+1,612,400New
Anson Funds Management LP1,472,150$15.7M1.75%+1,472,150New
Decagon Asset Management LLP1,035,316$11.0M5.83%+1,035,316New
Murchinson Ltd.1,000,400$10.7M2.06%+1,000,400New
Boothbay Fund Management, LLC854,250$9.11M0.24%+854,250New
DLD Asset Management, LP501,727$5.35M0.69%+501,727New
Davidson Kempner Capital Management LP434,824$4.64M0.06%+434,824New
Two Sigma Investments, LP407,812$4.35M0.01%+407,812New
CNH Partners LLC303,867$3.24M0.08%+303,867New
Radcliffe Capital Management, L.P.297,731$3.17M0.20%+297,731New
Vivaldi Asset Management, LLC262,030$2.79M0.18%+262,030New
Polar Asset Management Partners Inc.239,692$2.56M0.05%+239,692New
LMR Partners LLP207,208$2.21M0.03%+207,208New
Linden Advisors LP200,000$2.13M0.01%+200,000New
Tenor Capital Management Co., L.P.200,000$2.13M0.03%+200,000New
Clear Street Group Inc.199,500$2.13M0.01%+199,500New
Magnetar Financial LLC195,000$2.08M0.01%+195,000New
Meteora Capital, LLC162,872$1.74M0.18%+162,872New
Hudson Bay Capital Management LP150,000$1.60M0.01%+150,000New
HRT Financial LP145,363$1.55M0.01%+145,363New
Glazer Capital, LLC141,105$1.50M0.05%+141,105New
Periscope Capital Inc.125,000$1.33M0.32%+125,000New
Verition Fund Management LLC120,716$1.29M0.01%+120,716New
Balyasny Asset Management LLC101,000$1.08M0.00%+101,000New
D. E. Shaw & Co., Inc.100,000$1.07M0.00%+100,000New
Whitebox Advisors LLC100,000$1.07M0.02%+100,000New
Context Capital Management, LLC100,000$1.07M0.03%+100,000New
Moore Capital Management, LP100,000$1.07M0.02%+100,000New
Mint Tower Capital Management B.V.100,000$1.07M0.14%+100,000New
Millennium Management LLC99,003$1.06M0.00%+99,003New
BCK Capital Management LP97,690$1.04M1.11%+97,690New
BNP Paribas Arbitrage, SA96,123$1.02M0.00%+96,123New
Picton Mahoney Asset Management84,996$906.0K0.01%+84,996New
CSS LLC82,253$876.8K0.05%+82,253New
Berkley W R Corp80,183$854.8K0.06%+80,183New
Fifth Lane Capital, LP76,227$812.6K0.82%+76,227New
RK Capital Management, LLC72,908$777.2K1.20%+72,908New
JPMorgan Chase & Co67,542$720.0K0.00%+67,542New
K2 Principal Fund, L.P.65,000$692.9K0.07%+65,000New
Cantor Fitzgerald, L. P.55,278$589.3K0.01%+55,278New
Mizuho Securities USA LLC52,960$553.7K0.01%+52,960New
Maso Capital Partners Ltd50,000$533.0K0.88%+50,000New
Shaolin Capital Management LLC50,000$533.0K0.03%+50,000New
Wolverine Asset Management LLC45,000$479.7K0.01%+45,000New
FNY Investment Advisers, LLC27,000$287.0K0.09%+27,000New
Pekin Hardy Strauss, Inc.26,500$282.5K0.03%+26,500New
HGC Investment Management Inc.25,000$266.5K0.06%+25,000New
Toronto Dominion Bank22,814$243.2K0.00%+22,814New
ExodusPoint Capital Management, LP20,411$217.6K0.00%+20,411New
Atw Spac Management LLC18,700$199.3K0.25%+18,700New
Azora Capital LP12,493$133.2K0.01%+12,493New
Geode Capital Management, LLC12,458$132.8K0.00%+12,458New
Squarepoint Ops LLC11,967$127.6K0.00%+11,967New
Virtu Financial LLC10,451$111.0K0.01%+10,451New
UBS Group AG128$1.36K0.00%+128New