Algonquin Power & Utilities Corp.
AQN- Exchange
- NYSE
- Industry
- Electric Services
- SEC CIK
- 0001174169
No open-market purchases or sales by Algonquin Power & Utilities Corp. insiders were filed in the last 90 days; 239 institutions reported holding it in 13F filings for Q2 2026, worth $3.10B in total; Starboard Value is the only superinvestor holding it.
Holders of 5% or more of AQN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Algonquin Power & Utilities Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| EdgePoint Investment Group Inc. | 13G/A | 10.64%81.7M shares | +3.25 ppfrom 7.39% | May 15, 20253 filings | Jan 8, 2026 | SEC |
| Starboard Value LPSuperinvestorStarboard Value | 13D/A | 7.40%57.2M shares | −1.30 ppfrom 8.70% | Mar 14, 20252 filings | Apr 1, 2026 | SEC |
| FIL Ltd | 13G | 5.10%39.3M shares | +0.10 ppfrom 5.00% | Feb 12, 20255 filings | Aug 6, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Algonquin Power & Utilities Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 6, 202610:06 AM ET | FIL Ltdand 2 others | 13G | 5.10%39.3M shares | +0.10 ppfrom 5.00% | Jun 30, 2026 | SEC |
| Apr 29, 202610:56 AM ET | FIL Ltdand 2 others | 13G/A | 5.00%38.1M shares | −1.50 ppfrom 6.50% | Mar 31, 2026 | SEC |
| Apr 1, 20269:45 PM ET | Starboard Value LPand 18 othersSuperinvestorStarboard Value | 13D/A | 7.40%57.2M shares | −1.30 ppfrom 8.70% | Mar 30, 2026 | SEC |
| Jan 8, 20264:05 PM ET | EdgePoint Investment Group Inc. | 13G/A | 10.64%81.7M shares | +3.25 ppfrom 7.39% | Dec 31, 2025 | SEC |
| Nov 5, 202511:08 AM ET | FIL Ltdand 2 others | 13G | 6.50%49.9M shares | +2.80 ppfrom 3.70% | Sep 30, 2025 | SEC |
| Aug 14, 20254:53 PM ET | EdgePoint Investment Group Inc. | 13G/A | 7.39%56.8M shares | +1.89 ppfrom 5.50% | Jun 30, 2025 | SEC |
| Aug 6, 202511:36 AM ET | FIL Ltdand 2 others | 13G/A | 3.70%28.5M shares | −1.60 ppfrom 5.30%Below 5% | Jun 30, 2025 | SEC |
| May 15, 20254:22 PM ET | EdgePoint Investment Group Inc. | 13G | 5.50%42.2M shares | New | Mar 31, 2025 | SEC |
| Apr 24, 202510:55 AM ET | BlackRock, Inc. | 13G/A | 4.40%33.9M shares | −0.80 ppfrom 5.20%Below 5% | Mar 31, 2025 | SEC |
| Mar 14, 20258:12 PM ET | Starboard Value LPand 17 othersSuperinvestorStarboard Value | 13D/A | 8.70%66.4M shares | – | Mar 13, 2025 | SEC |
| Feb 12, 20258:54 AM ET | FIL Ltdand 2 others | 13G | 5.30%40.9M shares | New | Dec 31, 2024 | SEC |
| Feb 6, 20252:49 PM ET | BlackRock, Inc. | 13G | 5.20%40.0M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Algonquin Power & Utilities Corp. shares.
No Form 144 notices for Algonquin Power & Utilities Corp. are on file.