Who owns IACOWhat IACO owns — n/a

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 IACO from SEC Form 13F filings across 57 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, 57 institutions disclosed 25.5M shares of Idea Acquisition Corp. worth $252.6M — about 72.9% of shares outstanding; the largest disclosed holder is Polar Asset Management Partners Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.

13F holders

$252.6M

value, 2026 filers

72.9%

of shares outstanding (25.5M sh)

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 IACO's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	Polar Asset Management Partners Inc.NEW	2.3M	$22.3M	0.4%	6.4%	new
2	Linden Advisors LPNEW	1.8M	$17.3M	0.1%	5%	new
3	MMCAP International Inc. SPCNEW	1.8M	$17.3M	1.5%	5%	new
4	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW	1.7M	$16.8M	0.0%	4.9%	new
5	D. E. Shaw & Co., Inc.NEW	1.5M	$14.6M	0.0%	4.2%	new
6	AQR Arbitrage LLCNEW	1.4M	$14.3M	0.2%	4.1%	new
7	Hudson Bay Capital Management LPNEW	1.3M	$12.4M	0.0%	3.6%	new
8	Magnetar Financial LLCNEW	1.2M	$12.4M	0.1%	3.6%	new
9	MILLENNIUM MANAGEMENT LLCNEW	1.0M	$9.9M	0.0%	2.9%	new
10	TENOR CAPITAL MANAGEMENT Co., L.P.NEW	800,000	$7.9M	0.1%	2.3%	new
11	WHITEBOX ADVISORS LLCNEW	797,378	$7.9M	0.1%	2.3%	new
12	WOLVERINE ASSET MANAGEMENT LLCNEW	762,908	$7.6M	0.1%	2.2%	new
13	GLAZER CAPITAL, LLCNEW	719,298	$7.1M	0.2%	2.1%	new
14	BNP PARIBAS FINANCIAL MARKETSNEW	585,300	$5.8M	0.0%	1.7%	new
15	TWO SIGMA INVESTMENTS, LPNEW	583,593	$5.8M	0.0%	1.7%	new
16	BlueCrest Capital Management LtdNEW	509,174	$5.0M	0.2%	1.5%	new
17	SONA ASSET MANAGEMENT (US) LLCNEW	500,000	$5.0M	0.1%	1.4%	new
18	First Trust Capital Management L.P.NEW	499,998	$5.0M	0.3%	1.4%	new
19	MANGROVE PARTNERS IM, LLCNEW	450,000	$4.5M	0.3%	1.3%	new
20	Radcliffe Capital Management, L.P.NEW	400,036	$4.0M	0.3%	1.1%	new
21	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYSNEW	399,999	$4.0M	0.0%	1.1%	new
22	TIG Advisors, LLCNEW	350,000	$3.5M	0.2%	1%	new
23	Schonfeld Strategic Advisors LLCNEW	317,242	$3.1M	0.0%	0.9%	new
24	Ghisallo Capital Management LLCNEW	300,000	$3.0M	0.1%	0.9%	new
25	Alberta Investment Management CorpNEW	250,000	$2.5M	0.0%	0.7%	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 · options positioning · supply chain. Research, not investment advice.