Clearthink 1 Acquisition Corp. (CTAA) shareholders
CTAANasdaqBlank ChecksFiscal year ends December 31Also trades as CTAAR, CTAAU
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 17, 2026
$10.03+0.00 (0.00%)
Close on Nov 13, 2026Market cap $170.53MP/E –Yield –
Ownership
Who owns Clearthink 1 Acquisition's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Glazer Capital, LLC Joint filing with Paul J. Glazer (8.59%) | 1,075,418 | 8.59% | 13G (passive) | Mar 31, 2026 |
| Nathaniel August Joint filing with Mangrove Partners IM, LLC (8.43%) | 1,055,000 | 8.43% | 13G (passive) | Jun 30, 2026 |
| Aristeia Capital, L.L.C. | 1,000,000 | 7.99% | 13G (passive) amendment | Jun 30, 2026 |
| Highbridge Capital Management, LLC | 897,253 | 7.20% | 13G (passive) amendment | Jun 30, 2026 |
| AQR Arbitrage, LLC Joint filing with AQR Capital Management, LLC (6.21%), AQR Capital Management Holdings, LLC (6.21%) | 776,743 | 6.21% | 13G (passive) | Mar 31, 2026 |
| Frederick V. Fortmiller, Jr. Joint filing with Harraden Circle Investments, LLC (5.15%), Harraden Circle Investors GP, LP (5.15%) and 1 more | 659,832 | 5.15% | 13G (passive) | Feb 24, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| William Brock | CEO and President, Director | 315,000 | Mar 6, 2026 |
| Thomas Zipser | CFO, Treasurer and Secretary, Director | – | Mar 6, 2026 |
| Darwin Hunt | Director | – | Apr 15, 2026 |
| Yosef Milgrom | Director | – | Apr 10, 2026 |
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
–
0M shares short
Days to cover
1.0
At 0M shares a day
Change since last report
+25.7%
From 0M shares
Short volume, 20 days
3.1%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Clearthink 1 Acquisition's stock actually held short. Settlement fails (shares not delivered on time) peaked at 183 shares on Aug 31, 2026 over the last 90 days.
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