CTAA: Clearthink 1 Acquisition Corp. insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-08-1413G amendmentHighbridge Capital Management, LLC7.20%SEC
2026-08-14Fell below 5%Harraden Circle Investments, LLC0.00%SEC
2026-08-1413G amendmentAristeia Capital, L.L.C.7.99%SEC

Institutional ownership (Q2 2026)

31 institutions reported holding $93.39M of Clearthink 1 Acquisition Corp. on Form 13F (0 the quarter before). 31 opened a new position and 0 sold out. Shares held by institutions: new.

Largest holdersSharesValue
ARISTEIA CAPITAL, L.L.C.1,000,000$9.91M
HIGHBRIDGE CAPITAL MANAGEMENT LLC897,253$8.88M
AQR Arbitrage LLC776,743$7.70M
Radcliffe Capital Management, L.P.610,000$6.05M
Magnetar Financial LLC605,000$6.00M
Polar Asset Management Partners Inc.500,000$4.96M
RIVERNORTH CAPITAL MANAGEMENT, LLC500,000$4.96M
BERKLEY W R CORP497,000$4.93M
MANGROVE PARTNERS IM, LLC450,000$4.46M
BNP PARIBAS FINANCIAL MARKETS428,257$4.24M

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