Idea Acquisition Corp.

IACOU

Exchange: Nasdaq
Industry: Blank Checks
SEC CIK: 0002091176

SEC filings (opens in a new tab)

No open-market purchases or sales by Idea Acquisition Corp. insiders were filed in the last 90 days; 19 institutions reported holding it in 13F filings for Q2 2026, worth $87.0M in total; no superinvestor holds it.

Other share classesIACO IACOW

Q1 2026 vs. Q4 2025

How the institutions holding Idea Acquisition Corp. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of IACOU: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Q1 2026	Change
Holders	0	72	+72
Shares	0	33.3M	+33.3M
Value	$0	$330.3M	+$330.3M

New holders (72)

Institutions that held Idea Acquisition Corp. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to IACOU in Q1 2026
Institution	Shares	Value	% of portfolio
Polar Asset Management Partners Inc.	2,250,000	$22.3M	0.53%
Linden Advisors LP	1,750,000	$17.3M	0.10%
MMCAP International Inc. SPC	1,750,000	$17.3M	1.50%
Healthcare of Ontario Pension Plan Trust Fund	1,700,000	$16.8M	0.03%
Aristeia Capital LLC	1,699,228	$16.8M	0.39%
LMR Partners LLP	1,500,000	$14.9M	0.14%
CNH Partners LLC	1,414,697	$14.0M	0.23%
Hudson Bay Capital Management LP	1,256,543	$12.5M	0.07%
Magnetar Financial LLC	1,250,000	$12.4M	0.13%
Lineage Point Capital LP	1,150,819	$11.4M	2.79%
Cantor Fitzgerald, L. P.	1,050,000	$10.4M	0.38%
Millennium Management LLC	1,000,000	$9.91M	0.01%
Calamos Advisors LLC	900,000	$8.92M	0.03%
Tenor Capital Management Co., L.P.	800,000	$7.93M	0.12%
HGC Investment Management Inc.	800,000	$7.93M	1.76%
Whitebox Advisors LLC	797,378	$7.90M	0.11%
Omers Administration Corp	750,000	$7.43M	0.05%
Glazer Capital, LLC	700,000	$6.94M	0.15%
BNP Paribas Arbitrage, SA	585,303	$5.80M	0.00%
Two Sigma Investments, LP	583,593	$5.78M	0.00%
Vivaldi Asset Management, LLC	500,000	$4.96M	0.26%
Sona Asset Management (US) LLC	500,000	$4.96M	0.19%
JPMorgan Chase & Co	490,070	$4.86M	0.00%
Radcliffe Capital Management, L.P.	365,082	$3.62M	0.27%
TIG Advisors, LLC	350,000	$3.47M	0.17%
Saba Capital Management, L.P.	350,000	$3.47M	0.11%
Schonfeld Strategic Advisors LLC	335,000	$3.32M	0.03%
Decagon Asset Management LLP	318,350	$3.15M	0.82%
Sculptor Capital LP	300,000	$2.97M	0.03%
Qube Research & Technologies Ltd	300,000	$2.97M	0.00%
Syquant Capital SAS	300,000	$2.97M	0.46%
Ghisallo Capital Management LLC	300,000	$2.97M	0.08%
Wolverine Asset Management LLC	273,000	$2.71M	0.04%
Kryger Capital LLC	251,758	$2.49M	0.18%
D. E. Shaw & Co., Inc.	250,000	$2.48M	0.00%
PEAK6 LLC	250,000	$2.48M	0.07%
Alberta Investment Management Corp	250,000	$2.48M	0.02%
Periscope Capital Inc.	250,000	$2.48M	0.43%
L1 Global Manager Pty Ltd	250,000	$2.48M	2.00%
CSS LLC	200,000	$1.98M	0.11%
Context Capital Management, LLC	200,000	$1.98M	0.05%
Moore Capital Management, LP	200,000	$1.98M	0.07%
Clear Street Group Inc.	194,082	$1.92M	0.01%
Wealthspring Capital LLC	190,850	$1.89M	0.45%
StoneX Group Inc.	175,112	$1.74M	0.09%
Parallax Volatility Advisers, L.P.	166,750	$1.66M	0.07%
Meteora Capital, LLC	152,103	$1.51M	0.11%
K2 Principal Fund, L.P.	150,000	$1.49M	0.16%
Westchester Capital Management, LLC	150,000	$1.49M	0.07%
Picton Mahoney Asset Management	150,000	$1.49M	0.02%
DLD Asset Management, LP	150,000	$1.49M	0.15%
HRT Financial LP	150,000	$1.49M	0.00%
Virtu Financial LLC	110,161	$1.09M	0.05%
Shaolin Capital Management LLC	109,200	$1.08M	0.05%
Berkley W R Corp	104,615	$1.04M	0.06%
Rivernorth Capital Management, LLC	100,000	$991.0K	0.05%
ExodusPoint Capital Management, LP	100,000	$991.0K	0.01%
Galaxy Digital Inc.	100,000	$991.0K	0.16%
Heights Capital Management, Inc	95,000	$941.5K	0.26%
State of Wisconsin Investment Board	77,100	$764.1K	0.00%
HBK Investments L P	72,867	$722.1K	0.01%
Prelude Capital Management, LLC	55,000	$545.0K	0.04%
Stoic Point Capital Management LLC	55,000	$545.0K	0.54%
Deltec Asset Management LLC	50,000	$495.5K	0.09%
Abc Arbitrage SA	40,000	$396.4K	0.05%
Toronto Dominion Bank	37,985	$376.4K	0.00%
Susquehanna International Group, LLP	30,000	$297.3K	0.00%
PenderFund Capital Management Ltd.	25,000	$247.8K	0.04%
Paloma Partners Management Co	24,993	$247.7K	0.14%
Royal Bank of Canada	20,203	$200.0K	0.00%
Boothbay Fund Management, LLC	14,439	$143.1K	0.00%
Robinson Capital Management, LLC	10,250	$102.3K	0.05%

Sold out (0)

Institutions that held Idea Acquisition Corp. at the end of Q4 2025 and filed for Q1 2026 without it.

None.