Armada Acquisition Corp. III
Armada Acquisition Corp. III (AACI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AACI · as of Sep 30, 2025
Ownership Breakdown
50
Institutional Holders
▲ 17 vs Q2
$212.15M
Total Inst. Value
▲ $83.53M vs Q2
25.52M
Shares Outstanding
freeFloat 100.00%
20.33M
13F Shares Held
▲ 7.52M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AACI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
METEORA CAPITAL, LLC blank checks | 1.78M | 7.74% | 7.74% | $18.58B | Nov 17, 2025 | NEW |
TENOR CAPITAL MANAGEMENT CO., L.P. blank checks | 1.50M | 6.52% | 6.52% | $15.65B | Nov 14, 2025 | NEW |
HARRADEN CIRCLE INVESTMENTS, LLC blank checks | 1.26M | 5.46% | 5.46% | $13.11B | Nov 13, 2025 | NEW |
AQR ARBITRAGE LLC blank checks | 1.11M | 4.82% | 4.82% | $11.57B | Nov 14, 2025 | NEW |
MAGNETAR FINANCIAL LLC blank checks | 814.3K | 3.54% | 3.54% | $8.50B | Nov 13, 2025 | — held |
LINDEN ADVISORS LP blank checks | 800.0K | 3.48% | 3.48% | $8.35B | Nov 14, 2025 | — held |
LMR PARTNERS LLP blank checks | 800.0K | 3.48% | 3.48% | $8.35B | Nov 14, 2025 | — held |
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND blank checks | 700.0K | 3.04% | 3.04% | $7.31B | Nov 13, 2025 | — held |
TWO SIGMA INVESTMENTS, LP blank checks | 664.6K | 2.89% | 2.89% | $6.93B | Nov 14, 2025 | — held |
WESTCHESTER CAPITAL MANAGEMENT, LLC blank checks | 633.4K | 2.75% | 2.75% | $6.61B | Nov 14, 2025 | ▲ 383.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
5
Increased
+851.9K shares24
New Positions
first time holders11
Decreased
−2.82M shares0
Sold Out
fully exitedNet shares change (top 50)
1.97M
+851.9K / −2.82M
Net new holders
+18
24 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AACI insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Armada Acquisition Corp. III (AACI) is primarily owned by institutional investors, who hold approximately 79.7% of total shares outstanding. Company insiders own approximately 0.00%, while retail and public investors account for the remaining 20.32%.
The largest institutional shareholder of Armada Acquisition Corp. III is METEORA CAPITAL, LLC, holding approximately 1.78 million shares — equal to 7.74% of outstanding shares — as of September 30, 2025.
A total of 50 institutional investors currently hold AACI stock, with a combined institutional value of approximately $212,149,628 as of the most recent 13F filing period.
Frequently asked questions
AACI ownershipArmada Acquisition Corp. III (AACI) is primarily owned by institutional investors, who hold approximately 79.7% of shares. The largest shareholder is METEORA CAPITAL, LLC with a 7.74% stake. Company insiders hold 0.00%. Data sourced from SEC Form 13F as of September 30, 2025.