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; 8 institutions reported holding it in 13F filings for Q2 2026, worth $15.4M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Clearthink 1 Acquisition Corp. as of Mar 31, 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
- 36
- +36 vs. Q4 2025
- Shares held
- 12.0M
- +12.0M vs. Q4 2025
- Total value
- $119.7M
- +$119.7M vs. Q4 2025
- New holders
- 36
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q4 2025: 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 | 8 | $15.4M |
| 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, Q1 2026
Shares, value and share of portfolio for each institution holding Clearthink 1 Acquisition Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 99 | $988 | 0.00% | +99 | New |
| Virtu Financial LLC | 12,705 | $127.0K | 0.01% | +12,705 | New |
| Verition Fund Management LLC | 18,778 | $187.4K | 0.00% | +18,778 | New |
| HRT Financial LP | 25,000 | $249.0K | 0.00% | +25,000 | New |
| Abc Arbitrage SA | 30,000 | $300.0K | 0.04% | +30,000 | New |
| Royal Bank of Canada | 38,638 | $386.0K | 0.00% | +38,638 | New |
| Warberg Asset Management LLC | 98,500 | $984.0K | 0.29% | +98,500 | New |
| Heights Capital Management, Inc | 125,000 | $1.25M | 0.35% | +125,000 | New |
| Lineage Point Capital LP | 129,300 | $1.29M | 0.32% | +129,300 | New |
| Centiva Capital, LP | 150,000 | $1.50M | 0.07% | +150,000 | New |
| Yakira Capital Management, Inc. | 150,000 | $1.50M | 0.44% | +150,000 | New |
| Hudson Bay Capital Management LP | 200,000 | $2.00M | 0.01% | +200,000 | New |
| Kepos Capital LP | 200,000 | $2.00M | 3.26% | +200,000 | New |
| Boothbay Fund Management, LLC | 200,000 | $2.00M | 0.05% | +200,000 | New |
| Cable Car Capital LLC | 200,000 | $2.00M | 0.69% | +200,000 | New |
| Shaolin Capital Management LLC | 200,000 | $2.00M | 0.08% | +200,000 | New |
| Two Sigma Investments, LP | 226,562 | $2.26M | 0.00% | +226,562 | New |
| Linden Advisors LP | 250,000 | $2.50M | 0.01% | +250,000 | New |
| Context Capital Management, LLC | 250,000 | $2.50M | 0.06% | +250,000 | New |
| Whitebox Advisors LLC | 300,000 | $3.00M | 0.04% | +300,000 | New |
| DLD Asset Management, LP | 305,000 | $3.05M | 0.31% | +305,000 | New |
| Wolverine Asset Management LLC | 310,300 | $3.10M | 0.05% | +310,300 | New |
| Mizuho Securities USA LLC | 351,056 | $3.48M | 0.08% | +351,056 | New |
| BNP Paribas Arbitrage, SA | 428,257 | $4.27M | 0.00% | +428,257 | New |
| Toronto Dominion Bank | 476,770 | $4.77M | 0.01% | +476,770 | New |
| Berkley W R Corp | 497,000 | $4.97M | 0.27% | +497,000 | New |
| Polar Asset Management Partners Inc. | 500,000 | $5.00M | 0.12% | +500,000 | New |
| Rivernorth Capital Management, LLC | 500,000 | $5.00M | 0.25% | +500,000 | New |
| Magnetar Financial LLC | 605,000 | $6.04M | 0.06% | +605,000 | New |
| Mangrove Partners | 605,000 | $6.05M | 0.49% | +605,000 | New |
| Radcliffe Capital Management, L.P. | 610,000 | $6.09M | 0.46% | +610,000 | New |
| Harraden Circle Investments, LLC | 659,832 | $6.60M | 1.32% | +659,832 | New |
| Highbridge Capital Management LLC | 680,691 | $6.79M | 0.43% | +680,691 | New |
| CNH Partners LLC | 776,743 | $7.75M | 0.13% | +776,743 | New |
| Aristeia Capital LLC | 800,000 | $8.00M | 0.18% | +800,000 | New |
| Glazer Capital, LLC | 1,075,418 | $10.7M | 0.23% | +1,075,418 | New |