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 |
|---|---|---|---|---|---|
| Glazer Capital, LLC | 1,075,418 | $10.7M | 0.23% | +1,075,418 | New |
| Aristeia Capital LLC | 800,000 | $8.00M | 0.18% | +800,000 | New |
| CNH Partners LLC | 776,743 | $7.75M | 0.13% | +776,743 | New |
| Highbridge Capital Management LLC | 680,691 | $6.79M | 0.43% | +680,691 | New |
| Harraden Circle Investments, LLC | 659,832 | $6.60M | 1.32% | +659,832 | New |
| Radcliffe Capital Management, L.P. | 610,000 | $6.09M | 0.46% | +610,000 | New |
| Mangrove Partners | 605,000 | $6.05M | 0.49% | +605,000 | New |
| Magnetar Financial LLC | 605,000 | $6.04M | 0.06% | +605,000 | 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 |
| Berkley W R Corp | 497,000 | $4.97M | 0.27% | +497,000 | New |
| Toronto Dominion Bank | 476,770 | $4.77M | 0.01% | +476,770 | New |
| BNP Paribas Arbitrage, SA | 428,257 | $4.27M | 0.00% | +428,257 | New |
| Mizuho Securities USA LLC | 351,056 | $3.48M | 0.08% | +351,056 | New |
| Wolverine Asset Management LLC | 310,300 | $3.10M | 0.05% | +310,300 | New |
| DLD Asset Management, LP | 305,000 | $3.05M | 0.31% | +305,000 | New |
| Whitebox Advisors LLC | 300,000 | $3.00M | 0.04% | +300,000 | New |
| Context Capital Management, LLC | 250,000 | $2.50M | 0.06% | +250,000 | New |
| Linden Advisors LP | 250,000 | $2.50M | 0.01% | +250,000 | New |
| Two Sigma Investments, LP | 226,562 | $2.26M | 0.00% | +226,562 | 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 |
| Kepos Capital LP | 200,000 | $2.00M | 3.26% | +200,000 | New |
| Hudson Bay Capital Management LP | 200,000 | $2.00M | 0.01% | +200,000 | New |
| Yakira Capital Management, Inc. | 150,000 | $1.50M | 0.44% | +150,000 | New |
| Centiva Capital, LP | 150,000 | $1.50M | 0.07% | +150,000 | New |
| Lineage Point Capital LP | 129,300 | $1.29M | 0.32% | +129,300 | New |
| Heights Capital Management, Inc | 125,000 | $1.25M | 0.35% | +125,000 | New |
| Warberg Asset Management LLC | 98,500 | $984.0K | 0.29% | +98,500 | New |
| Royal Bank of Canada | 38,638 | $386.0K | 0.00% | +38,638 | New |
| Abc Arbitrage SA | 30,000 | $300.0K | 0.04% | +30,000 | New |
| HRT Financial LP | 25,000 | $249.0K | 0.00% | +25,000 | New |
| Verition Fund Management LLC | 18,778 | $187.4K | 0.00% | +18,778 | New |
| Virtu Financial LLC | 12,705 | $127.0K | 0.01% | +12,705 | New |
| UBS Group AG | 99 | $988 | 0.00% | +99 | New |