AACI · Armada Acquisition Corp. III · Holdings
Market Cap
$342.00M
Shares
34.03M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 56
Total Value: $239,503,122
Total Shares: 33,186,586
Institutional Ownership Trend
2 quarters
Holder Concentration
Across 56 13F filers · Δ vs Mar 31, 2026Top Holder
8.4%
−0.4 pts
Top 5
30.1%
−1.3 pts
Top 10
49.1%
−1.1 pts
HHI
357
Broadly held−17
Quarterly Activity
vs Mar 31, 2026
New
8
Increased
28
Decreased
7
Sold Out
2
Unchanged
13
Holder count:
+6
Institutional value:
+5.6%
Shares held:
+26.6%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid WOLVERINE ASSET MANAGEMENT LLC | +744,067 | 1,261,266 | |
| Mid Linden Advisors LP | +700,000 | 2,100,000 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | +550,000 | 1,650,000 | |
| Mid Magnetar Financial LLC | +500,000 | 1,500,000 | |
| Mid Polar Asset Management Partners Inc. | +457,170 | 1,357,170 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large RK Capital Management, LLC/FL | −537,080 | 268,996 | |
| Mega TWO SIGMA INVESTMENTS, LP | −203,906 | 407,812 | |
| Small METEORA CAPITAL, LLC | −159,116 | 299,183 | |
| Mid Saba Capital Management, L.P. | −99,559 | 99,557 | |
| Mid Virtu Financial LLC | −34,067 | 24,889 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Context Capital Management, LLC | 400,000 | $3,996,000 | |
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 350,000 | $3,496,500 | |
| Mega D. E. Shaw & Co., Inc. | 133,072 | $1,329,389 | |
| Small Logan Stone Capital, LLC | 129,135 | $1,290,058 | |
| Small StoneX Group Inc. | 131,063 | $963,305 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small Warberg Asset Management LLC | 10,000 | $99,600 | |
| Mega UBS Group AG | 10 | $0 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $20,229,750 | 8.45% | 2,025,000 | Shares | 2026-08-14 | |
| Mid ARISTEIA CAPITAL, L.L.C. AACIU | $16,704,031 | 6.97% | 1,657,146 | Shares | 2026-08-14 | |
| Mid Linden Advisors LP | $13,986,000 | 5.84% | 1,400,000 | Shares | 2026-08-14 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension | $10,989,000 | 4.59% | 1,100,000 | Shares | 2026-08-13 | |
| Mid WOLVERINE ASSET MANAGEMENT LLC | $10,188,521 | 4.25% | 1,019,872 | Shares | 2026-08-10 | |
| Large LMR Partners LLP AACIU | $10,080,000 | 4.21% | 1,000,000 | Shares | 2026-08-14 | |
| Mid Magnetar Financial LLC | $9,990,000 | 4.17% | 1,000,000 | Shares | 2026-08-14 | |
| Large Hudson Bay Capital Management LP | $8,991,000 | 3.75% | 900,000 | Shares | 2026-08-14 | |
| Mid Polar Asset Management Partners Inc. | $8,991,000 | 3.75% | 900,000 | Shares | 2026-08-14 | |
| Mid AQR Arbitrage LLC | $7,392,550 | 3.09% | 739,995 | Shares | 2026-08-14 | |
| Mid Alberta Investment Management Corp | $6,993,000 | 2.92% | 700,000 | Shares | 2026-08-06 | |
| Mid TENOR CAPITAL MANAGEMENT Co., L.P. | $6,993,000 | 2.92% | 700,000 | Shares | 2026-08-14 | |
| Mid SONA ASSET MANAGEMENT (US) LLC | $6,493,500 | 2.71% | 650,000 | Shares | 2026-08-14 | |
| Mid GLAZER CAPITAL, LLC | $6,248,784 | 2.61% | 625,504 | Shares | 2026-08-17 | |
| Mega MILLENNIUM MANAGEMENT LLC | $6,113,880 | 2.55% | 612,000 | Shares | 2026-08-14 | |
| Mid WHITEBOX ADVISORS LLC | $5,494,500 | 2.29% | 550,000 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $5,371,423 | 2.24% | 537,680 | Shares | 2026-08-13 | |
| Small CSS LLC/IL AACIU | $5,039,586 | 2.10% | 499,959 | Shares | 2026-08-14 | |
| Large OMERS ADMINISTRATION Corp AACIU | $4,536,000 | 1.89% | 450,000 | Shares | 2026-08-13 | |
| Small Radcliffe Capital Management, L.P. | $4,257,867 | 1.78% | 426,213 | Shares | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC | $4,170,894 | 1.74% | 417,507 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP | $4,074,041 | 1.70% | 407,812 | Shares | 2026-08-14 | |
| Small Crossingbridge Advisors, LLC | $3,996,000 | 1.67% | 400,000 | Shares | 2026-08-13 | |
| Small Context Capital Management, LLC | $3,996,000 | 1.67% | 400,000 | Shares | 2026-07-23 | |
| Small HEIGHTS CAPITAL MANAGEMENT, INC | $3,646,350 | 1.52% | 365,000 | Shares | 2026-08-14 | |
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $3,496,500 | 1.46% | 350,000 | Shares | 2026-07-17 | |
| Mid Kryger Capital LLC | $3,458,677 | 1.44% | 346,214 | Shares | 2026-08-14 | |
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $3,204,772 | 1.34% | 320,798 | Shares | 2026-08-14 | |
| Large Verition Fund Management LLC | $2,997,999 | 1.25% | 300,100 | Shares | 2026-08-14 | |
| Small Periscope Capital Inc. | $2,995,002 | 1.25% | 299,800 | Shares | 2026-08-11 | |
| Small Wealthspring Capital LLC | $2,288,109 | 0.96% | 229,040 | Shares | 2026-07-15 | |
| Large Clear Street Group Inc. AACIU | $2,065,351 | 0.86% | 204,896 | Shares | 2026-08-12 | |
| Mid READYSTATE ASSET MANAGEMENT LP AACIU | $2,016,000 | 0.84% | 200,000 | Shares | 2026-08-14 | |
| Mid Cable Car Capital, LP | $1,998,000 | 0.83% | 200,000 | Shares | 2026-08-14 | |
| Mid HIGHBRIDGE CAPITAL MANAGEMENT LLC | $1,993,444 | 0.83% | 199,544 | Shares | 2026-08-14 | |
| Mid BERKLEY W R CORP | $1,986,012 | 0.83% | 198,800 | Shares | 2026-08-14 | |
| Small Shaolin Capital Management LLC | $1,621,786 | 0.68% | 162,341 | Shares | 2026-08-14 | |
| Small METEORA CAPITAL, LLC | $1,609,329 | 0.67% | 161,094 | Shares | 2026-08-14 | |
| Micro Kepos Capital LP | $1,498,500 | 0.63% | 150,000 | Shares | 2026-08-13 | |
| Small DLD Asset Management, LP | $1,498,500 | 0.63% | 150,000 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $1,329,389 | 0.56% | 133,072 | Shares | 2026-08-14 | |
| Small Logan Stone Capital, LLC | $1,290,058 | 0.54% | 129,135 | Shares | 2026-08-14 | |
| Large PICTON MAHONEY ASSET MANAGEMENT | $1,248,730 | 0.52% | 124,998 | Shares | 2026-08-13 | |
| Small Lineage Point Capital LP AACIU | $1,223,712 | 0.51% | 121,400 | Shares | 2026-08-14 | |
| Small Mint Tower Capital Management B.V. | $999,000 | 0.42% | 100,000 | Shares | 2026-08-18 | |
| Small StoneX Group Inc. | $963,305 | 0.40% | 96,427 | Shares | 2026-08-12 | |
| Large Clear Street Group Inc. | $845,293 | 0.35% | 84,614 | Shares | 2026-08-12 | |
| Mega ROYAL BANK OF CANADA Bank | $539,929 | 0.23% | 54,047 | Shares | 2026-08-14 | |
| Small ABC ARBITRAGE SA | $399,600 | 0.17% | 40,000 | Shares | 2026-07-20 | |
| Small PenderFund Capital Management Ltd. | $338,661 | 0.14% | 33,900 | Shares | 2026-08-17 | |
| Mid Virtu Financial LLC | $248,641 | 0.10% | 24,889 | Shares | 2026-08-13 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $176,463 | 0.07% | 17,664 | Shares | 2026-08-14 | |
| Large TORONTO DOMINION BANK Bank | $99,900 | 0.04% | 10,000 | Shares | 2026-08-14 | |
| Small PenderFund Capital Management Ltd. AACIU | $73,584 | 0.03% | 7,300 | Shares | 2026-08-17 | |
| Mid GLAZER CAPITAL, LLC AACIU | $31,721 | 0.01% | 3,147 | Shares | 2026-08-17 | |
| Mega MORGAN STANLEY | $449 | 0.00% | 45 | Shares | 2026-08-13 | |
| Mid HARBOUR INVESTMENTS, INC. | $29 | 0.00% | 3 | Shares | 2026-08-12 | |
| Mid Linden Advisors LP AACIW | — | — | 700,000 | Shares | 2026-08-14 | |
| Mid BERKLEY W R CORP AACIW | — | — | 99,400 | Shares | 2026-08-14 | |
| Small PenderFund Capital Management Ltd. AACIW | — | — | 8,000 | Shares | 2026-08-17 | |
| Small Radcliffe Capital Management, L.P. AACIW | — | — | 212,929 | Shares | 2026-08-14 | |
| Mid WHITEBOX ADVISORS LLC AACIW | — | — | 275,000 | Shares | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC AACIW | — | — | 200,000 | Shares | 2026-08-14 | |
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC AACIW | — | — | 160,399 | Shares | 2026-08-14 | |
| Mid WOLVERINE ASSET MANAGEMENT LLC AACIW | — | — | 241,394 | Shares | 2026-08-10 | |
| Large Clear Street Group Inc. AACIW | — | — | 41,519 | Shares | 2026-08-12 | |
| Large Hudson Bay Capital Management LP AACIW | — | — | 450,000 | Shares | 2026-08-14 | |
| Small HEIGHTS CAPITAL MANAGEMENT, INC AACIW | — | — | 179,526 | Shares | 2026-08-14 | |
| Mid Polar Asset Management Partners Inc. AACIW | — | — | 457,170 | Shares | 2026-08-14 | |
| Mid Cable Car Capital, LP AACIW | — | — | 100,000 | Shares | 2026-08-14 | |
| Small Shaolin Capital Management LLC AACIW | — | — | 119,699 | Shares | 2026-08-14 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension AACIW | — | — | 550,000 | Shares | 2026-08-13 | |
| Large Verition Fund Management LLC AACIW | — | — | 150,050 | Shares | 2026-08-14 | |
| Large RK Capital Management, LLC/FL AACIW | — | — | 268,996 | Shares | 2026-08-14 | |
| Small Mint Tower Capital Management B.V. AACIW | — | — | 50,000 | Shares | 2026-08-18 | |
| Mega BNP PARIBAS ARBITRAGE, SA AACIW | — | — | 268,840 | Shares | 2026-08-13 | |
| Micro Kepos Capital LP AACIW | — | — | 60,000 | Shares | 2026-08-13 | |
| Small DLD Asset Management, LP AACIW | — | — | 75,000 | Shares | 2026-08-13 | |
| Mid AQR Arbitrage LLC AACIW | — | — | 389,627 | Shares | 2026-08-14 | |
| Mid Saba Capital Management, L.P. AACIW | — | — | 99,557 | Shares | 2026-08-14 | |
| Mid Alberta Investment Management Corp AACIW | — | — | 350,000 | Shares | 2026-08-06 | |
| Mid TENOR CAPITAL MANAGEMENT Co., L.P. AACIW | — | — | 350,000 | Shares | 2026-08-14 | |
| Mid SONA ASSET MANAGEMENT (US) LLC AACIW | — | — | 325,000 | Shares | 2026-08-14 | |
| Small Lineage Point Capital LP AACIW | — | — | 258,840 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC AACIW | — | — | 306,000 | Call | 2026-08-14 | |
| Large TORONTO DOMINION BANK Bank AACIW | — | — | 195,406 | Shares | 2026-08-14 | |
| Mid GLAZER CAPITAL, LLC AACIW | — | — | 220,885 | Shares | 2026-08-17 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. AACIW | — | — | 1,012,500 | Shares | 2026-08-14 | |
| Large PICTON MAHONEY ASSET MANAGEMENT AACIW | — | — | 62,499 | Shares | 2026-08-13 | |
| Small StoneX Group Inc. AACIW | — | — | 34,636 | Shares | 2026-08-12 | |
| Small Periscope Capital Inc. AACIW | — | — | 149,900 | Shares | 2026-08-11 | |
| Small METEORA CAPITAL, LLC AACIW | — | — | 138,089 | Shares | 2026-08-14 | |
| Mid Kryger Capital LLC AACIW | — | — | 174,678 | Shares | 2026-08-14 | |
| Mid Magnetar Financial LLC AACIW | — | — | 500,000 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank AACIW | — | — | 14,091 | Shares | 2026-08-14 |