CTAAU — Clearthink 1 Acquisition Cor Institutional Holders · Q2 2026
Who owns Clearthink 1 Acquisition Cor (CTAAU)? 37 institutions reported holding $18.84M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Mangrove Partners Im, LLC ($6.1M), Toronto Dominion Bank ($3.8M), Mizuho Securities USA LLC ($3.5M).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MANGROVE PARTNERS IM, LLC | $6.1M | 605,000 | Hold |
| 2 | TORONTO DOMINION BANK | $3.8M | 376,470 | Trimmed |
| 3 | MIZUHO SECURITIES USA LLC | $3.5M | 351,056 | Hold |
| 4 | BOOTHBAY FUND MANAGEMENT, LLC | $2.0M | 200,000 | Hold |
| 5 | Yakira Capital Management, Inc. | $1.5M | 150,000 | Hold |
| 6 | Lineage Point Capital LP | $1.3M | 129,300 | Hold |
| 7 | Clear Street Group Inc. | $380,863 | 37,784 | New |
| 8 | HRT FINANCIAL LP | $252,000 | 25,000 | Hold |
| 9 | UBS Group AG | $3,497 | 349 | Added |
| 10 | Royal Bank of Canada | $0 | 0 | Exited |
| 11 | GLAZER CAPITAL, LLC | $0 | 0 | Exited |
| 12 | ARISTEIA CAPITAL, L.L.C. | $0 | 0 | Exited |
| 13 | HEIGHTS CAPITAL MANAGEMENT, INC | $0 | 0 | Exited |
| 14 | BERKLEY W R CORP | $0 | 0 | Exited |
| 15 | BNP PARIBAS FINANCIAL MARKETS | $0 | 0 | Exited |
| 16 | AQR Arbitrage LLC | $0 | 0 | Exited |
| 17 | TWO SIGMA INVESTMENTS, LP | $0 | 0 | Exited |
| 18 | Radcliffe Capital Management, L.P. | $0 | 0 | Exited |
| 19 | WHITEBOX ADVISORS LLC | $0 | 0 | Exited |
| 20 | Linden Advisors LP | $0 | 0 | Exited |
| 21 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 22 | Context Capital Management, LLC | $0 | 0 | Exited |
| 23 | Polar Asset Management Partners Inc. | $0 | 0 | Exited |
| 24 | Magnetar Financial LLC | $0 | 0 | Exited |
| 25 | Hudson Bay Capital Management LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30