Security Snapshot

Armada Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share (AACIU) Institutional Ownership

CUSIP: G0R38M127

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

Latest Period

Q2 2026

Institutions Reporting

9

Shares (Excl. Options)

4,143,848

Price

$10.08

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-11,345,047
Value change
-$113,403,893
Number of holders
9
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
34,066,276
SEC-reported price per share
$10.12
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • AACIU - Armada Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share is tracked under CUSIP G0R38M127.
  • 9 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 35 to 9 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $159,820,828 to $41,807,877.

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

G0R38M127

Latest holder period

Q2 2026

13F holders

9

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
3
Security
AACIU
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Armada Sponsor III LLC 25% $86,441,812 8,652,834 Armada Sponsor III LLC 17 Feb 2026
Adage Capital Management, L.P. 7.9% $20,229,750 2,025,000 Adage Capital Management, L.P. 31 Mar 2026
Linden Capital L.P. 5.5% 1,400,000 Linden Capital L.P. 23 Feb 2026

As of 30 Jun 2026, 9 institutional investors reported holding 4,143,848 shares of Armada Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share (AACIU). This represents 12% of the company’s total 34,066,276 outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
12%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ARISTEIA CAPITAL, L.L.C. 4.9% 1,657,146 +0.03% 0.26% $16,704,032
LMR Partners LLP 2.9% 1,000,000 0% 0.07% $10,080,000
CSS LLC/IL 1.5% 499,959 -0.01% 0.22% $5,039,587
OMERS ADMINISTRATION Corp 1.3% 450,000 0% 0.03% $4,536,000
Clear Street Group Inc. 0.6% 204,896 +482% 0.01% $2,065,352
READYSTATE ASSET MANAGEMENT LP 0.59% 200,000 0% 0.09% $2,014,000
Lineage Point Capital LP 0.36% 121,400 -2.9% 0.26% $1,260,132
PenderFund Capital Management Ltd. 0.02% 7,300 -54% 0.01% $75,774
GLAZER CAPITAL, LLC 0.01% 3,147 -99% 0% $33,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0% 0 -100% $0
PICTON MAHONEY ASSET MANAGEMENT 0% 0 -100% $0
DLD Asset Management, LP 0% 0 -100% $0
Wealthspring Capital LLC 0% 0 -100% $0
HEIGHTS CAPITAL MANAGEMENT, INC 0% 0 -100% $0
AQR Arbitrage LLC 0% 0 -100% $0
WHITEBOX ADVISORS LLC 0% 0 -100% $0
MILLENNIUM MANAGEMENT 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
RIVERNORTH CAPITAL MANAGEMENT, LLC 0% 0 -100% $0
Saba Capital Management, L.P. 0% 0 -100% $0
Schonfeld Strategic Advisors LLC 0% 0 -100% $0
Cable Car Capital, LP 0% 0 -100% $0
Shaolin Capital Management LLC 0% 0 -100% $0

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 4,143,848 $41,807,877 -$113,403,893 $10.08 9
2026 Q1 16,026,575 $159,820,828 +$150,954,242 $9.96 35
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