Who owns Illumination Acquisition Corp I?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ILLUW from SEC Form 13F filings across 34 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 34 institutions disclosed 5.0M shares of Illumination Acquisition Corp I worth $2.4M — about 15.7% of shares outstanding; the largest disclosed holder is Magnetar Financial LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
34
13F holders
$2.4M
value, 2026 filers
15.7%
of shares outstanding (5.0M sh)
34
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ILLUW's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLCNEW | 616,665 | $302,166 | 0.0% | 1.9% | new |
| 2 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW | 333,333 | $163,333 | 0.0% | 1.1% | new |
| 3 | Kryger Capital LLCNEW | 332,381 | $159,543 | 0.0% | 1% | new |
| 4 | Linden Advisors LPNEW | 316,666 | $152,000 | 0.0% | 1% | new |
| 5 | SONA ASSET MANAGEMENT (US) LLCNEW | 299,998 | $146,669 | 0.0% | 0.9% | new |
| 6 | Parallax Volatility Advisers, L.P.NEW | 232,581 | $113,965 | 0.0% | 0.7% | new |
| 7 | Verition Fund Management LLCNEW | 205,333 | $100,613 | 0.0% | 0.6% | new |
| 8 | Shaolin Capital Management LLCNEW | 200,760 | $96,365 | 0.0% | 0.6% | new |
| 9 | Alberta Investment Management CorpNEW | 200,000 | $96,000 | 0.0% | 0.6% | new |
| 10 | MOORE CAPITAL MANAGEMENT, LPNEW | 199,999 | $96,000 | 0.0% | 0.6% | new |
| 11 | Mint Tower Capital Management B.V.NEW | 166,666 | $80,000 | 0.0% | 0.5% | new |
| 12 | RIVERNORTH CAPITAL MANAGEMENT, LLCNEW | 166,666 | $73,316 | 0.0% | 0.5% | new |
| 13 | Radcliffe Capital Management, L.P.NEW | 166,393 | $79,869 | 0.0% | 0.5% | new |
| 14 | WHITEBOX ADVISORS LLCNEW | 150,000 | $72,000 | 0.0% | 0.5% | new |
| 15 | TENOR CAPITAL MANAGEMENT Co., L.P.NEW | 133,333 | $64,000 | 0.0% | 0.4% | new |
| 16 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYSNEW | 133,333 | $49,465 | 0.0% | 0.4% | new |
| 17 | Hudson Bay Capital Management LPNEW | 127,132 | $62,295 | 0.0% | 0.4% | new |
| 18 | BERKLEY W R CORPNEW | 107,683 | $52,765 | 0.0% | 0.3% | new |
| 19 | GLAZER CAPITAL, LLCNEW | 101,775 | $49,000 | 0.0% | 0.3% | new |
| 20 | PICTON MAHONEY ASSET MANAGEMENTNEW | 99,999 | $48,000 | 0.0% | 0.3% | new |
| 21 | Context Capital Management, LLCNEW | 93,333 | $44,800 | 0.0% | 0.3% | new |
| 22 | Polar Asset Management Partners Inc.NEW | 83,333 | $40,000 | 0.0% | 0.3% | new |
| 23 | Centiva Capital, LPNEW | 83,333 | $40,833 | 0.0% | 0.3% | new |
| 24 | Periscope Capital Inc.NEW | 75,600 | $36,288 | 0.0% | 0.2% | new |
| 25 | Saba Capital Management, L.P.NEW | 66,666 | $32,000 | 0.0% | 0.2% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation. Research, not investment advice.