Security Snapshot

Yorkville Acquisition Corp. - Common Shares (MCGAW) Institutional Ownership

CUSIP: G98659124

13F Institutional Holders and Ownership History from Q3 2025 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

31

Shares (Excl. Options)

2.46MFull value: 2,461,056 · shares · 30 Jun 2026

Price

$0.26

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common Shares
Symbol
MCGAW on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
2,461,056
Latest holder snapshot 5 signals
Total 13F value
$639,757
Portfolio coverage rank
0%
Share change
-100,004
Value change
-$25,725
Number of holders
31
Security identity Names, identifiers, and filing context for this profile. 1 source field
Underlying class
Class A ordinary shares
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
17,947,958
SEC-reported price per share
$0.29
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • MCGAW - Yorkville Acquisition Corp. - Common Shares is tracked under CUSIP G98659124.
  • 31 institutions reported positions in Q2 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 31 to 31 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $1.22MFull value: $1,215,802 · USD · 31 Mar 2026
    to
    $639.76KFull value: $639,757 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 31 institutions filings for Q2 2026.

Open SEC evidence

Security key

G98659124

13F reference period

Q2 2026

13F holders

31

13D/G owners

1

CIK / CUSIP context first

Open Q2 2026 holders MCGAW full holder history Yorkville Acquisition Corp. SEC filings Yorkville Acquisition Corp. company facts Yorkville Acquisition Corp. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
1
Security
MCGAW
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MIZUHO FINANCIAL GROUP INC 7.2% $491,056 1,292,253 Mizuho Financial Group, Inc. 31 Mar 2026
As of 30 Jun 2026, 31 institutional investors reported holding
2.46MFull value: 2,461,056 · shares · 30 Jun 2026
shares of Yorkville Acquisition Corp. - Common Shares (MCGAW). This represents 14% of the company’s total
17.95MFull value: 17,947,958 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
13%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Harraden Circle Investments, LLC 2.8% 510,699 0% 0.02% $130,790
Shaolin Capital Management LLC 1.1% 201,612 +1.1% 0% $51,633
Meteora Capital, LLC 1.1% 199,700 -33% 0% $51,143
Decagon Asset Management LLP 0.98% 175,268 0% 0.01% $44,886
LMR Partners LLP 0.74% 133,332 0% 0% $34,146
DLD Asset Management, LP 0.73% 130,299 0% 0% $33,370
ARISTEIA CAPITAL, L.L.C. 0.7% 126,296 0% 0% $36,954
AQR Arbitrage LLC 0.57% 102,303 +1% 0% $26,220
Clear Street Group Inc. 0.55% 98,380 -14% 0% $25,195
Linden Advisors LP 0.46% 83,334 0% 0% $24,384
TENOR CAPITAL MANAGEMENT Co., L.P. 0.37% 66,666 0% 0% $17,073
Magnetar Financial LLC 0.37% 66,664 0% 0% $17,086
Periscope Capital Inc. 0.28% 49,900 0% 0% $12,783
Parallax Volatility Advisers, L.P. 0.28% 49,564 0% 0% $12,703
TORONTO DOMINION BANK 0.23% 42,078 +60% 0% $10,772
BERKLEY W R CORP 0.22% 39,676 0% 0% $10,169
K2 PRINCIPAL FUND, L.P. 0.21% 38,333 0% 0% $9,967
Mint Tower Capital Management B.V. 0.19% 33,333 0% 0% $9,000
D. E. Shaw & Co., Inc. 0.19% 33,333 0% 0% $8,543
WHITEBOX ADVISORS LLC 0.19% 33,333 0% 0% $8,537
MOORE CAPITAL MANAGEMENT, LP 0.19% 33,333 0% 0% $8,537
BNP PARIBAS FINANCIAL MARKETS 0.18% 32,041 0% 0% $8,206
Radcliffe Capital Management, L.P. 0.17% 31,330 -9% 0% $9,167
PICTON MAHONEY ASSET MANAGEMENT 0.16% 28,332 0% 0% $7,256
Context Capital Management, LLC 0.14% 25,000 0% 0% $6,403

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Headline period
Q2 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 13,009 $3,708 $0.28 1
2026 Q2 2,461,056 $639,757 -$25,725 $0.26 31
2026 Q1 2,561,060 $1,215,802 -$110,114 $0.34 31
2025 Q4 2,847,829 $1,425,336 -$522,954 $0.50 30
2025 Q3 2,964,527 $5,461,523 +$5,267,469 $1.20 34
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