Andretti Acquisition Corp. II (POLEU) shareholders
Close on Nov 2, 2026Market cap $316.05MP/E –Yield –
Ownership
Who owns Andretti Acquisition Corp. II's shares
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Andretti Sponsor II LLC Joint filing with Mario Andretti (21.00%), Michael M. Andretti (21.00%) and 2 more | 6,200,000 | 21.00% | 13D (active) | Sep 9, 2024 |
| Barclays PLC | 1,663,200 | 7.00% | 13G (passive) amendment | Mar 31, 2026 |
| AQR Capital Management, LLC Joint filing with AQR Capital Management Holdings, LLC (6.40%), AQR Arbitrage, LLC (6.40%) | 1,520,933 | 6.40% | 13G (passive) amendment | Dec 31, 2024 |
| Ramya Rao | 1,490,200 | 5.79% | 13G (passive) | Dec 31, 2024 |
| David J. Snyderman Joint filing with Magnetar Financial LLC (5.89%), Magnetar Capital Partners LP (5.89%) and 1 more | 1,400,000 | 5.89% | 13G (passive) | Sep 30, 2024 |
| LMR Partners (Ireland) Limited Joint filing with LMR Partners LLP (5.70%), LMR PARTNERS Ltd (5.70%) and 5 more | 1,350,000 | 5.70% | 13G (passive) amendment | Dec 31, 2025 |
| Wolverine Holdings, LLC Joint filing with Wolverine Asset Management, LLC (5.66%), Christopher L. Gust (5.66%) and 1 more | 1,344,311 | 5.66% | 13G (passive) | Mar 31, 2026 |
| Bank of Montreal Joint filing with Bank Of Montreal Holding Inc. (5.41%), Bmo Nesbitt Burns Inc. (5.41%) | 1,320,816 | 5.55% | 13G (passive) | Sep 30, 2025 |
| Polar Asset Management Partners Inc. | 1,250,000 | 5.30% | 13G (passive) amendment | Jun 30, 2025 |
| Siu Min Wong Joint filing with Linden Advisors LP (7.30%), Linden Capital L.P. (7.00%) and 1 more | 1,000,000 | 7.30% | 13G (passive) | Sep 9, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| William J. Sandbrook | Executive Chairman, Director, 10% owner | – | Sep 9, 2026 |
| William Matthew Brown | CEO, 10% owner | 5,750,000 | Sep 9, 2026 |
| Michael Andretti | Director, 10% owner | – | Sep 9, 2026 |
| Mario Andretti | 10% owner | – | Sep 9, 2026 |
| Sponsor II LLC Andretti | 10% owner | – | Sep 9, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| William Matthew Brown CEO, 10% owner | Sep 8, 2026 | Conversion | +5,749,999 | – | – | 5,749,999 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 15, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Andretti Acquisition Corp. II's stock actually held short. No settlement fails above the SEC's reporting threshold in the last 90 days.