Feeds › Ownership stakes (13D / 13G)
Ownership stakes (13D / 13G)
Investors who own more than 5% of a company, from activists (13D) to passive holders (13G).
About this data
- What it is
- An investor who owns more than 5% of a public company must say so. Investors who may try to influence the company, such as activists, file the longer Schedule 13D; passive holders file the shorter Schedule 13G.
- Who files it
- The investor, within days of crossing 5%, and again whenever the stake changes materially.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- 13G filings are far more common than 13D. A 13D usually means the investor intends to push for changes, so it tends to get more attention.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Filings per day, last 30 days
13D (activist) 13G (passive)
Latest ownership filings
Showing: ticker ALF
| Filed | ScheduleBoth report a stake of more than 5%. A 13D is filed by investors who may try to influence the company, such as activists; a 13G by passive holders. | Company | Investor | Shares | % of shares | Filing |
|---|---|---|---|---|---|---|
| Sep 4, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | David J. Snyderman | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Sep 4, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Supernova Management LLC | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Sep 4, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Magnetar Capital Partners LP | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Sep 4, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Magnetar Financial LLC | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | FTCS Sub GP LLC | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | First Trust Capital Solutions L.P. | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | First Trust Capital Management L.P. | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | First Trust Merger Arbitrage Fund | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Siu Min Wong | 1.00M | 3.5% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Linden Advisors LP | 1.00M | 3.5% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Linden GP LLC | 952,477 | 3.3% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Linden Capital L.P. | 952,477 | 3.3% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | AQR Capital Management GP Ltd. | 649,050 | 5.3% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | AQR Global Alternative Investment Offshore Fund, L.P. | 649,050 | 5.3% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | AQR Arbitrage, LLC | 999,999 | 8.2% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | AQR Capital Management Holdings, LLC | 999,999 | 8.2% | SCHEDULE 13G/A ↗ |
| Aug 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | AQR Capital Management, LLC | 999,999 | 8.2% | SCHEDULE 13G/A ↗ |
| Aug 11, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Picton Mahoney Asset Management | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Jul 9, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Matthew Simpson | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Jul 9, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Wealthspring Capital LLC | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Jun 18, 2026 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | Siu Min Wong | 1.00M | 8.2% | SCHEDULE 13G ↗ |
| Jun 18, 2026 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | Linden Advisors LP | 1.00M | 8.2% | SCHEDULE 13G ↗ |
| Jun 18, 2026 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | Linden GP LLC | 952,477 | 7.8% | SCHEDULE 13G ↗ |
| Jun 18, 2026 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | Linden Capital L.P. | 952,477 | 7.8% | SCHEDULE 13G ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Stefan Renold | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Ben Levine | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | LMR Partners (Ireland) Limited | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | LMR PARTNERS (DIFC) Ltd | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | LMR Partners AG | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | LMR Partners LLC | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | LMR PARTNERS Ltd | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | LMR Partners LLP | 1.38M | 4.8% | SCHEDULE 13G/A ↗ |
| May 15, 2026 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | Barclays PLC | 2.01M | 7.0% | SCHEDULE 13G ↗ |
| May 14, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Barclays PLC | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| May 11, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Goldman Sachs & Co. LLC | 1.04M | 3.6% | SCHEDULE 13G/A ↗ |
| May 11, 2026 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | The Goldman Sachs Group, Inc. | 1.04M | 3.6% | SCHEDULE 13G/A ↗ |
| Feb 17, 2026 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | HGC Investment Management Inc | 1.45M | 5.0% | SCHEDULE 13G ↗ |
| Aug 14, 2025 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | Meteora Capital, LLC | 1.73M | 6.0% | SCHEDULE 13G ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Polar Asset Management Partners Inc. | 925,000 | 3.2% | SCHEDULE 13G/A ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Frederick V. Fortmiller, Jr. | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Harraden Circle Strategic Investments, LP | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Harraden Circle Special Opportunities, LP | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Harraden Circle Investors, LP | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Harraden Circle Investors GP, LLC | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Harraden Circle Investors GP, LP | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | Harraden Circle Investments, LLC | 0 | 0.0% | SCHEDULE 13G/A ↗ |
| Aug 12, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | MM Asset Management Inc. | 1.18M | 3.3% | SCHEDULE 13G/A ↗ |
| Aug 12, 2025 | SCHEDULE 13G/A (amended) | ALF Centurion Acquisition Corp. | MMCAP International Inc. SPC | 1.18M | 3.3% | SCHEDULE 13G/A ↗ |
| Aug 12, 2025 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | Goldman Sachs & Co. LLC | 1.85M | 6.4% | SCHEDULE 13G ↗ |
| Aug 12, 2025 | SCHEDULE 13G | ALF Centurion Acquisition Corp. | The Goldman Sachs Group, Inc. | 1.85M | 6.4% | SCHEDULE 13G ↗ |
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