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Disclosery

MCGA YORKVILLE ACQUISITION CORP.

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SHS CL A (common), issuer CIK 2064658

48 managers (48 13F filers) reported a position in MCGA shares at 2025-12-31, 14,412,435 shares in all. 6 filers opened a position and 11 filers sold out during the quarter.

Managers
48
13F filers
48
New
6
Added
14
Reduced
6
Sold out
11
Shares held by filers
14,412,435

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Anson Funds Management LPin group Anson Funds Management LP1,774,150$18M2.41%+302,00013F-HRTimelineGroup
Harraden Circle Investments, LLCin group Harraden Circle Investments, …1,443,900$14.6M2.68%-168,50013F-HRTimelineGroup
Decagon Asset Management LLP1,215,386$12.3M5.18%+180,07013F-HRTimeline
Murchinson Ltd.1,000,400$10.1M5.44%013F-HRTimeline
Davidson Kempner Capital Management LP850,000$8.61M0.13%+415,17613F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Meteora Capital, LLC803,822$8.14M0.68%+640,95013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC637,610$6.46M0.17%-216,64013F-HRTimeline
DLD Asset Management, LP613,276$6.21M0.65%+111,54913F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC538,541$5.45M0.09%+485,58113F-HRTimelineGroup
BERKLEY W R CORP383,347$3.88M0.22%+303,16413F-HRTimeline
BCK CAPITAL MANAGEMENT LP379,000$3.84M21.37%+281,31013F-HRTimeline
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC303,867$3.08M0.06%013F-HRTimelineGroup
Radcliffe Capital Management, L.P.294,690$2.99M0.16%-3,04113F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC277,462$2.81M<0.01%+178,45913F-HRTimelineGroup
First Trust Capital Management L.P.in group FIRST TRUST ADVISORS LP262,030$2.65M0.16%013F-HRTimelineGroup
Shaolin Capital Management LLC250,000$2.53M0.1%+200,00013F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.469,539$2.43M0.01%+270,03913F-HRTimelineGroup
Polar Asset Management Partners Inc.239,692$2.43M0.05%013F-HRTimeline
LMR Partners LLPin group LMR Partners LLP207,208$2.1M0.02%013F-HRTimelineGroup
Linden Advisors LPin group Linden Advisors LP200,000$2.03M0.01%013F-HRTimelineGroup
TENOR CAPITAL MANAGEMENT Co., L.P.200,000$2.03M0.03%013F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC195,000$1.98M0.02%013F-HRTimelineGroup
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC183,189$1.86M0.05%+42,08413F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…150,000$1.52M0.01%013F-HRTimelineGroup
HRT FINANCIAL LP143,756$1.46M<0.01%-1,60713F-HRTimeline
Periscope Capital Inc.125,000$1.27M0.25%013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.100,000$1.01M<0.01%013F-HRTimelineGroup
WHITEBOX ADVISORS LLC100,000$1.01M0.02%013F-HRTimeline
Context Capital Management, LLC100,000$1.01M0.03%013F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP100,000$1.01M0.02%013F-HRTimeline
Mint Tower Capital Management B.V.100,000$1.01M0.12%013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…98,436$997K<0.01%new13F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS96,123$974K<0.01%013F-HRTimelineGroup
PICTON MAHONEY ASSET MANAGEMENT84,996$861K0.01%013F-HRTimeline
CSS LLC/IL82,253$833K0.05%013F-HRTimeline
Jain Global LLC75,000$760K0.01%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC74,386$754K<0.01%new13F-HRTimelineGroup
K2 PRINCIPAL FUND, L.P.65,000$658K0.07%013F-HRTimeline
Parallax Volatility Advisers, L.P.45,522$461K0.01%new13F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC45,000$456K0.01%013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO29,905$303K<0.01%-37,63713F-HRTimelineGroup
FNY Investment Advisers, LLC27,000$273K0.08%013F-HRTimeline
Schonfeld Strategic Advisors LLC15,000$152K<0.01%new13F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC12,722$129K<0.01%+2,27113F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC12,458$126K<0.01%013F-HRTimelineGroup
UBS Group AGin group UBS Group AG3,870$39.2K<0.01%+3,74213F-HRTimelineGroup
HGC Investment Management Inc.3,852$39K0.01%-21,14813F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY47$476<0.01%new13F-HR/ATimelineGroup