Security Snapshot

Illumination Acquisition Corp. I - Class A ordinary shares, par value $0.0001 (ILLU) Institutional Ownership

CUSIP: G470AU100

13F Institutional Holders and Ownership History for Q2 2026

Latest Period

Q2 2026

Institutions Reporting

38

Shares (Excl. Options)

15,513,671

Price

$9.90

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.

Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+15,513,671
Value change
+$153,594,890
Number of holders
38
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
23,627,011
SEC-reported price per share
$9.90
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • ILLU - Illumination Acquisition Corp. I - Class A ordinary shares, par value $0.0001 is tracked under CUSIP G470AU100.
  • 38 institutions reported positions in Q2 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Latest quarter on this page is Q2 2026.
  • Additional quarter-over-quarter change detail appears as history expands.

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 38 institutions filings for Q2 2026.

Open SEC evidence

Security key

G470AU100

Latest holder period

Q2 2026

13F holders

38

13D/G owners

2

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
2
Security
ILLU
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Illumination Acquisition 1 Sponsor LLC 26% 8,031,667 Illumination Acquisition 1 Sponsor LLC 02 Mar 2026
Magnetar Financial LLC 7.8% +32% $18,388,950 -$49.7 1,849,995 -0% MAGNETAR FINANCIAL LLC 30 Jun 2026

As of 30 Jun 2026, 38 institutional investors reported holding 15,513,671 shares of Illumination Acquisition Corp. I - Class A ordinary shares, par value $0.0001 (ILLU). This represents 66% of the company’s total 23,627,011 outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
62%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Magnetar Financial LLC 7.8% 1,849,995 0.17% $18,314,951
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 4.2% 1,000,000 0.01% $9,900,000
Kryger Capital LLC 4.2% 988,182 0.56% $9,783,002
Linden Advisors LP 4% 950,000 0.05% $9,405,000
SONA ASSET MANAGEMENT (US) LLC 3.8% 900,000 0.33% $8,910,000
GLAZER CAPITAL, LLC 3.7% 866,475 0.21% $8,578,000
MILLENNIUM MANAGEMENT LLC 3% 700,000 0% $6,930,000
Verition Fund Management LLC 2.6% 625,000 0.04% $6,187,500
Shaolin Capital Management LLC 2.5% 602,281 0.56% $5,962,582
MOORE CAPITAL MANAGEMENT, LP 2.5% 600,000 0.14% $5,940,000
Alberta Investment Management Corp 2.5% 600,000 0.03% $5,940,000
Mint Tower Capital Management B.V. 2.1% 500,000 0.58% $4,950,000
RIVERNORTH CAPITAL MANAGEMENT, LLC 2.1% 499,998 0.24% $4,959,980
Radcliffe Capital Management, L.P. 2.1% 499,184 0.38% $4,941,922
WHITEBOX ADVISORS LLC 1.9% 450,000 0.07% $4,455,000
TENOR CAPITAL MANAGEMENT Co., L.P. 1.7% 400,000 0.06% $3,960,000
Hudson Bay Capital Management LP 1.6% 381,396 0.02% $3,775,820
TWO SIGMA INVESTMENTS, LP 1.5% 362,500 0% $3,588,750
BERKLEY W R CORP 1.4% 323,049 0.16% $3,198,185
PICTON MAHONEY ASSET MANAGEMENT 1.3% 299,997 0.03% $2,969,971
Context Capital Management, LLC 1.2% 280,000 0.06% $2,772,000
Periscope Capital Inc. 1.2% 276,800 0.44% $2,740,320
Polar Asset Management Partners Inc. 1.1% 250,000 0.05% $2,475,000
Centiva Capital, LP 1.1% 250,000 0.08% $2,475,000
WOLVERINE ASSET MANAGEMENT LLC 0.67% 159,279 0.02% $1,576,862

Quarter history

Institutional holders across reporting periods

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

Periods
1
Latest
Q2 2026
Rows shown
1-1 of 1
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 15,513,671 $153,594,890 +$153,594,890 $9.90 38
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .