Clearthink 1 Acquisition Corp.

CTAA

Exchange: Nasdaq
Industry: Blank Checks
SEC CIK: 0002094073

SEC filings (opens in a new tab)

No open-market purchases or sales by Clearthink 1 Acquisition Corp. insiders were filed in the last 90 days; 31 institutions reported holding it in 13F filings for Q2 2026, worth $106.3M in total; no superinvestor holds it.

Other share classesCTAAR CTAAU

Q2 2026 vs. Q1 2026

How the institutions holding Clearthink 1 Acquisition Corp. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of CTAA: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Q2 2026	Change
Holders	0	31	+31
Shares	0	10.7M	+10.7M
Value	$0	$106.3M	+$106.3M

New holders (31)

Institutions that held Clearthink 1 Acquisition Corp. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CTAA in Q2 2026
Institution	Shares	Value	% of portfolio
Glazer Capital, LLC	1,104,600	$10.9M	0.27%
Aristeia Capital LLC	1,000,000	$9.91M	0.16%
Highbridge Capital Management LLC	897,253	$8.88M	0.30%
CNH Partners LLC	776,743	$7.70M	0.11%
Radcliffe Capital Management, L.P.	610,000	$6.05M	0.46%
Magnetar Financial LLC	605,000	$6.00M	0.05%
Polar Asset Management Partners Inc.	500,000	$4.96M	0.09%
Rivernorth Capital Management, LLC	500,000	$4.96M	0.24%
Berkley W R Corp	497,000	$4.93M	0.24%
Mangrove Partners	450,000	$4.46M	0.29%
BNP Paribas Arbitrage, SA	428,257	$4.24M	0.00%
Mizuho Securities USA LLC	411,000	$4.03M	0.07%
Wolverine Asset Management LLC	310,300	$3.08M	0.04%
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	300,000	$2.97M	0.01%
Whitebox Advisors LLC	300,000	$2.97M	0.05%
Linden Advisors LP	250,000	$2.48M	0.01%
Context Capital Management, LLC	250,000	$2.48M	0.05%
Two Sigma Investments, LP	226,562	$2.25M	0.00%
Hudson Bay Capital Management LP	200,000	$1.98M	0.01%
Kepos Capital LP	200,000	$1.98M	2.70%
Shaolin Capital Management LLC	170,888	$1.69M	0.10%
Centiva Capital, LP	150,000	$1.49M	0.05%
Heights Capital Management, Inc	125,000	$1.24M	0.29%
StoneX Group Inc.	111,237	$1.10M	0.04%
DLD Asset Management, LP	100,000	$991.0K	0.08%
Limestone Investment Advisors LP	75,627	$749.5K	0.38%
Royal Bank of Canada	62,437	$619.0K	0.00%
Warberg Asset Management LLC	47,995	$475.6K	0.14%
Clear Street Group Inc.	43,286	$429.0K	0.00%
Abc Arbitrage SA	30,000	$297.3K	0.03%
Morgan Stanley	12	$119	0.00%

Sold out (0)

Institutions that held Clearthink 1 Acquisition Corp. at the end of Q1 2026 and filed for Q2 2026 without it.

None.