Who owns Idea Acquisition Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IACOU from SEC Form 13F filings across 19 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, 19 institutions disclosed 8.7M shares of Idea Acquisition Corp. worth $87.0M — about 99.2% of shares outstanding; the largest disclosed holder is ARISTEIA CAPITAL, L.L.C.. Source: SEC Form 13F filings, parsed by EvidInvest.
19
13F holders
$87.0M
value, 2026 filers
99.2%
of shares outstanding (8.7M sh)
1
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 IACOU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ARISTEIA CAPITAL, L.L.C. | 1.7M | $17.0M | 0.2% | 19.4% | 0.0% |
| 2 | LMR Partners LLP | 1.5M | $15.0M | 0.1% | 17.1% | 0.0% |
| 3 | Lineage Point Capital LP | 1.2M | $11.6M | 2.4% | 13.2% | +0.3% |
| 4 | Calamos Advisors LLC | 900,000 | $9.0M | 0.0% | 10.3% | 0.0% |
| 5 | HGC Investment Management Inc. | 809,700 | $8.1M | 1.6% | 9.3% | +1.2% |
| 6 | OMERS ADMINISTRATION Corp | 750,000 | $7.5M | 0.0% | 8.6% | 0.0% |
| 7 | JPMORGAN CHASE & CO | 466,774 | $4.7M | 0.0% | 5.3% | -4.8% |
| 8 | SYQUANT CAPITAL SAS | 300,000 | $3.0M | 0.7% | 3.4% | 0.0% |
| 9 | Qube Research & Technologies Ltd | 300,000 | $3.0M | 0.0% | 3.4% | 0.0% |
| 10 | TORONTO DOMINION BANK | 293,083 | $2.9M | 0.0% | 3.3% | +671.6% |
| 11 | Parallax Volatility Advisers, L.P. | 166,750 | $1.7M | 0.0% | 1.9% | 0.0% |
| 12 | Westchester Capital Management, LLC | 150,000 | $1.5M | 0.1% | 1.7% | 0.0% |
| 13 | PRELUDE CAPITAL MANAGEMENT, LLC | 55,000 | $551,106 | 0.0% | 0.6% | 0.0% |
| 14 | Stoic Point Capital Management LLC | 55,000 | $551,106 | 0.5% | 0.6% | 0.0% |
| 15 | Clear Street Group Inc. | 33,544 | $336,114 | 0.0% | 0.4% | -82.7% |
| 16 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 30,000 | $301,500 | 0.0% | 0.3% | 0.0% |
| 17 | CSS LLC/IL | 16,044 | $160,762 | 0.0% | 0.2% | -92.0% |
| 18 | UBS Group AGNEW | 500 | $5,010 | 0.0% | 0% | new |
| 19 | PenderFund Capital Management Ltd. | 444 | $4,462 | 0.0% | 0% | -98.2% |
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 · options positioning · supply chain. Research, not investment advice.