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 Q3 2026

13F reference period

Q3 2026

Institutions Reporting

12

Shares (Excl. Options)

4.86MFull value: 4,857,256 · shares · 30 Sep 2026

Price

$10.01

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-170,829
Value change
-$1,705,515
Number of holders
12
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
17,460,317
SEC-reported price per share
$10.01
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • CAQ - Cambridge Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value is tracked under CUSIP G1871M108.
  • 12 institutions reported positions in Q3 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 45 to 12 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $177.21MFull value: $177,208,951 · USD · 30 Jun 2026
    to
    $48.59MFull value: $48,585,811 · USD · 30 Sep 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 12 institutions filings for Q3 2026.

Open SEC evidence

Security key

G1871M108

13F reference period

Q3 2026

13F holders

12

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 Sep 2026, 12 institutional investors reported holding
4.86MFull value: 4,857,256 · shares · 30 Sep 2026
shares of Cambridge Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (CAQ). This represents 28% of the company’s total
17.46MFull value: 17,460,317 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 14 institutional shareholders

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

Top holder share
28%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Magnetar Financial LLC 9.7% 1,699,995 0% 0.17% $16,999,950
BNP PARIBAS FINANCIAL MARKETS 5.6% 974,769 0% $9,747,690
Hudson Bay Capital Management LP 3.8% 659,998 -18% 0.03% $6,599,980
MMCAP International Inc. SPC 2.9% 500,000 0% 0.33% $5,005,000
First Trust Capital Management L.P. 1.7% 300,000 0% 0.14% $3,003,000
PICTON MAHONEY ASSET MANAGEMENT 1.1% 199,995 0% 0.02% $2,001,951
Verition Fund Management LLC 0.79% 137,500 0% 0.01% $1,375,000
GRITSTONE ASSET MANAGEMENT LLC 0.57% 100,000 0% 0.97% $1,001,000
DLD Asset Management, LP 0.57% 100,000 0% 0.09% $1,001,000
Kepos Capital LP 0.49% 84,999 0% 1.1% $850,840
DELTEC ASSET MANAGEMENT LLC 0.34% 60,000 0% 0.09% $600,000
ABC ARBITRAGE SA 0.23% 40,000 0% 0.04% $400,400
MORGAN STANLEY 0% 0 -100% $0
K2 PRINCIPAL FUND, L.P. 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

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

Periods
3
Headline period
Q3 2026
Rows shown
1-3 of 3
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 4,857,256 $48,585,811 -$1,705,515 $10.01 12
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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