Clearthink 1 Acquisition Corp.
CTAAU- 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; 9 institutions reported holding it in 13F filings for Q2 2026, worth $18.8M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Clearthink 1 Acquisition Corp. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 9
- −27 vs. Q1 2026
- Shares held
- 1.87M
- −10.1M (−84.4%) vs. Q1 2026
- Total value
- $18.8M
- −$100.9M (−84.3%) vs. Q1 2026
- New holders
- 1
- 1 more added
- Sold out
- 28
- 1 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CTAAU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 9 | $18.8M |
| Q1 2026 | 36 | $119.7M |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Clearthink 1 Acquisition Corp.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mangrove Partners | 605,000 | $6.10M | 0.40% | 00.0% | Unchanged |
| Toronto Dominion Bank | 376,470 | $3.79M | 0.01% | −100,300−21.0% | Reduced |
| Mizuho Securities USA LLC | 351,056 | $3.48M | 0.03% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 200,000 | $2.02M | 0.04% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 150,000 | $1.51M | 0.45% | 00.0% | Unchanged |
| Lineage Point Capital LP | 129,300 | $1.30M | 0.27% | 00.0% | Unchanged |
| Clear Street Group Inc. | 37,784 | $380.9K | 0.00% | +37,784 | New |
| HRT Financial LP | 25,000 | $252.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 349 | $3.50K | 0.00% | +250+252.5% | Added |
| Glazer Capital, LLC | 0 | $0 | 0.00% | −1,075,418−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −800,000−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −776,743−100.0% | Sold out |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | −680,691−100.0% | Sold out |
| Harraden Circle Investments, LLC | 0 | $0 | 0.00% | −659,832−100.0% | Sold out |
| Radcliffe Capital Management, L.P. | 0 | $0 | 0.00% | −610,000−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −605,000−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Rivernorth Capital Management, LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Berkley W R Corp | 0 | $0 | 0.00% | −497,000−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −428,257−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −310,300−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −305,000−100.0% | Sold out |
| Whitebox Advisors LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Context Capital Management, LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Linden Advisors LP | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −226,562−100.0% | Sold out |
| Cable Car Capital LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Shaolin Capital Management LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Kepos Capital LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Warberg Asset Management LLC | 0 | $0 | 0.00% | −98,500−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −38,638−100.0% | Sold out |
| Abc Arbitrage SA | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −18,778−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,705−100.0% | Sold out |