Starboard Value
SuperinvestorStarboard Value LP
- SEC CIK
- 0001517137
- Manager
- Jeff Smith
- Style
- Activist
- Latest filing
- Aug 14, 2026
AQN holding history
Algonquin Power & Utilities Corp. in every 13F filed by Starboard Value, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AQN overviewAll 13F holders of AQNFull Q2 2026 holdings
- Shares (Q2 2026)
- 57,189,420
- Value
- $335.1M
- % of portfolio
- 7.4%
- Quarters held
- 13
- Since Q2 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 57,189,420 | $335.1M | 7.4% | 00.0% | Unchanged | Holders |
| Q1 2026 | 57,189,420 | $351.1M | 7.7% | −6,300,000−9.9% | Reduced | Holders |
| Q4 2025 | 63,489,420 | $390.5M | 7.4% | 00.0% | Unchanged | Holders |
| Q3 2025 | 63,489,420 | $340.9M | 6.4% | 00.0% | Unchanged | Holders |
| Q2 2025 | 63,489,420 | $363.8M | 6.3% | −2,943,580−4.4% | Reduced | Holders |
| Q1 2025 | 66,433,000 | $341.5M | 6.2% | +1,117,000+1.7% | Added | Holders |
| Q4 2024 | 65,316,000 | $290.7M | 5.3% | +3,175,000+5.1% | Added | Holders |
| Q3 2024 | 62,141,000 | $338.7M | 7.2% | 00.0% | Unchanged | Holders |
| Q2 2024 | 62,141,000 | $364.1M | 8.5% | 00.0% | Unchanged | Holders |
| Q1 2024 | 62,141,000 | $392.7M | 8.1% | +150,000+0.2% | Added | Holders |
| Q4 2023 | 61,991,000 | $391.8M | 8.2% | +3,591,000+6.1% | Added | Holders |
| Q3 2023 | 58,400,000 | $345.7M | 8.9% | +24,261,350+71.1% | Added | Holders |
| Q2 2023 | 34,138,650 | $282.0M | 6.1% | +34,138,650 | New | Holders |