Security Snapshot

Clearthink 1 Acquisition Corp. - Class A (CTAAU) Institutional Ownership

CUSIP: G2294A127

13F Institutional Holders and Ownership History from Q1 2026 to Q2 2026

13F reference period

Q2 2026

Institutions Reporting

9

Shares (Excl. Options)

1.87MFull value: 1,874,959 · shares · 30 Jun 2026

Price

$10.08

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Security type / class
Equity / Class A
Symbol
CTAAU on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
1,874,959
Latest holder snapshot 5 signals
Total 13F value
$18,837,022
Portfolio coverage rank
0%
Share change
-9,682,433
Value change
-$96,724,299
Number of holders
9
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
12,605,389
SEC-reported price per share
$10.09
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • CTAAU - Clearthink 1 Acquisition Corp. - Class A is tracked under CUSIP G2294A127.
  • 9 institutions reported positions in Q2 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 36 to 9 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $119.71MFull value: $119,705,497 · USD · 31 Mar 2026
    to
    $18.84MFull value: $18,837,022 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 9 institutions filings for Q2 2026.

Open SEC evidence

Security key

G2294A127

13F reference period

Q2 2026

13F holders

9

13D/G owners

4

CIK / CUSIP context first

Open Q2 2026 holders CTAAU full holder history Clearthink 1 Acquisition Corp. SEC filings Clearthink 1 Acquisition Corp. company facts Clearthink 1 Acquisition Corp. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
4
Security
CTAAU
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GLAZER CAPITAL, LLC 8.6% $10,732,672 1,075,418 Glazer Capital, LLC 31 Mar 2026
ARISTEIA CAPITAL, L.L.C. 6.4% $7,984,000 800,000 Aristeia Capital, L.L.C. 31 Mar 2026
AQR CAPITAL MANAGEMENT LLC 6.2% $7,755,779 776,743 AQR Capital Management, LLC 31 Mar 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLC 5.4% $6,793,432 680,691 Highbridge Capital Management, LLC 31 Mar 2026
As of 30 Jun 2026, 9 institutional investors reported holding
1.87MFull value: 1,874,959 · shares · 30 Jun 2026
shares of Clearthink 1 Acquisition Corp. - Class A (CTAAU). This represents 15% of the company’s total
12.61MFull value: 12,605,389 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
15%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
MANGROVE PARTNERS IM, LLC 4.8% 605,000 0% 0.4% $6,098,400
TORONTO DOMINION BANK 3% 376,470 -21% 0.01% $3,794,818
MIZUHO SECURITIES USA LLC 2.8% 351,056 0% 0.05% $3,475,454
BOOTHBAY FUND MANAGEMENT, LLC 1.6% 200,000 0% 0.04% $2,016,000
Yakira Capital Management, Inc. 1.2% 150,000 0% 0.45% $1,512,000
Lineage Point Capital LP 1% 129,300 0% 0.27% $1,303,990
Clear Street Group Inc. 0.3% 37,784 0% $380,863
HRT FINANCIAL LP 0.2% 25,000 0% 0% $252,000
UBS Group AG 0% 349 +253% 0% $3,497
Centiva Capital, LP 0% 0 -100% $0
BERKLEY W R CORP 0% 0 -100% $0
HIGHBRIDGE CAPITAL MANAGEMENT LLC 0% 0 -100% $0
ROYAL BANK OF CANADA 0% 0 -100% $0
ARISTEIA CAPITAL, L.L.C. 0% 0 -100% $0
HEIGHTS CAPITAL MANAGEMENT, INC 0% 0 -100% $0
AQR Arbitrage LLC 0% 0 -100% $0
TWO SIGMA INVESTMENTS, LP 0% 0 -100% $0
Radcliffe Capital Management, L.P. 0% 0 -100% $0
WHITEBOX ADVISORS LLC 0% 0 -100% $0
Linden Advisors LP 0% 0 -100% $0
Polar Asset Management Partners Inc. 0% 0 -100% $0
Magnetar Financial LLC 0% 0 -100% $0
Hudson Bay Capital Management LP 0% 0 -100% $0
RIVERNORTH CAPITAL MANAGEMENT, LLC 0% 0 -100% $0
Cable Car Capital, LP 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
2
Headline period
Q2 2026
Rows shown
1-2 of 2
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 1,874,959 $18,837,022 -$96,724,299 $10.08 9
2026 Q1 11,985,649 $119,705,497 +$115,431,492 $9.99 36
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