Security Snapshot

Cambridge Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (CAQ) Institutional Ownership

CUSIP: G1871M108

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

Latest Period

Q2 2026

Institutions Reporting

45

Shares (Excl. Options)

17,873,095

Price

$9.91

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+12,980,563
Value change
+$128,713,371
Number of holders
45
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
17,460,317
SEC-reported price per share
$9.96
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • CAQ - Cambridge Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value is tracked under CUSIP G1871M108.
  • 45 institutions reported positions in Q2 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 10 to 45 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $38,668,072 to $177,208,951.

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 45 institutions filings for Q2 2026.

Open SEC evidence

Security key

G1871M108

Latest holder period

Q2 2026

13F holders

45

13D/G owners

4

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
4
Security
CAQ
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Cam-Phung Michael Tam 29% 8,162,167 Cam-Phung Michael Tam 09 Feb 2026
Adage Capital Management, L.P. 7.7% $17,730,000 1,800,000 Adage Capital Management, L.P. 31 Mar 2026
Magnetar Financial LLC 7.2% $16,745,000 1,700,000 MAGNETAR FINANCIAL LLC 31 Mar 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 6.3% $10,901,000 1,100,000 Healthcare of Ontario Pension Plan Trust Fund 30 Jun 2026

As of 30 Jun 2026, 45 institutional investors reported holding 17,873,095 shares of Cambridge Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (CAQ). This represents 102% of the company’s total 17,460,317 outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
93%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ADAGE CAPITAL PARTNERS GP, L.L.C. 10% 1,800,000 0.03% $17,838,000
Magnetar Financial LLC 9.7% 1,699,995 0.15% $16,863,950
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 6.3% 1,099,998 0.02% $10,911,980
TENOR CAPITAL MANAGEMENT Co., L.P. 5.7% 1,000,000 0% 0.14% $9,910,000
BNP PARIBAS FINANCIAL MARKETS 5.6% 974,769 0% 0.01% $9,659,961
SONA ASSET MANAGEMENT (US) LLC 5.4% 950,000 0.35% $9,414,500
Hudson Bay Capital Management LP 4.6% 799,998 0% 0.04% $7,935,980
AQR Arbitrage LLC 4.2% 739,805 0.1% $7,338,866
GLAZER CAPITAL, LLC 3.9% 685,937 0.17% $6,798,000
Kryger Capital LLC 3.6% 637,189 0.36% $6,314,543
MOORE CAPITAL MANAGEMENT, LP 3.4% 600,000 0.14% $5,946,000
Radcliffe Capital Management, L.P. 3.2% 550,000 0% 0.41% $5,450,500
RIVERNORTH CAPITAL MANAGEMENT, LLC 3% 520,905 0.25% $5,193,423
MILLENNIUM MANAGEMENT LLC 2.9% 500,000 0% $4,955,000
MMCAP International Inc. SPC 2.9% 500,000 0.42% $4,955,000
BERKLEY W R CORP 2.4% 424,998 0% 0.21% $4,211,730
WHITEBOX ADVISORS LLC 2.3% 400,000 0.06% $3,964,000
TWO SIGMA INVESTMENTS, LP 2.1% 362,500 0% 0% $3,592,375
Linden Advisors LP 2% 350,000 0.02% $3,472,000
Periscope Capital Inc. 2% 349,500 0.55% $3,463,545
First Trust Capital Management L.P. 1.7% 300,000 0% 0.17% $2,973,000
Centiva Capital, LP 1.6% 275,000 0.09% $2,728,000
Ghisallo Capital Management LLC 1.4% 250,000 0.05% $2,480,000
Clear Street Group Inc. 1.2% 205,465 -1.4% 0.01% $2,036,158
Polar Asset Management Partners Inc. 1.1% 200,000 0.04% $1,982,000

Quarter history

Institutional holders across reporting periods

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

Periods
2
Latest
Q2 2026
Rows shown
1-2 of 2
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 17,873,095 $177,208,951 +$128,713,371 $9.91 45
2026 Q1 3,917,763 $38,668,072 +$38,668,072 $9.87 10
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