Clearthink 1 Acquisition Corp.
CTAA- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002094073
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.
Holders of 5% or more of CTAA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Clearthink 1 Acquisition Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Mangrove Partners | 13G | 8.43%1.05M shares | New | Jul 20, 20261 filing | Jul 20, 2026 | SEC |
| Aristeia Capital LLC | 13G/A | 7.99%1.00M shares | – | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
| Highbridge Capital Management LLC | 13G/A | 7.20%897.3K shares | +1.80 ppfrom 5.40% | May 15, 20262 filings | Aug 14, 2026 | SEC |
| AQR Capital Management LLC | 13G | 6.21%776.7K shares | New | May 13, 20261 filing | May 13, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on Clearthink 1 Acquisition Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 202612:33 PM ET | Highbridge Capital Management LLC | 13G/A | 7.20%897.3K shares | +1.80 ppfrom 5.40% | Jun 30, 2026 | SEC |
| Aug 14, 202610:10 AM ET | Aristeia Capital LLC | 13G/A | 7.99%1.00M shares | – | Jun 30, 2026 | SEC |
| Jul 20, 20262:52 PM ET | Mangrove Partnersand 1 other | 13G | 8.43%1.05M shares | New | Jun 30, 2026 | SEC |
| May 15, 20266:41 AM ET | Highbridge Capital Management LLC | 13G | 5.40%680.7K shares | New | Mar 31, 2026 | SEC |
| May 13, 202611:27 AM ET | AQR Capital Management LLCand 2 others | 13G | 6.21%776.7K shares | New | Mar 31, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Clearthink 1 Acquisition Corp. shares.
No Form 144 notices for Clearthink 1 Acquisition Corp. are on file.