Security key
015857105
ALGONQUIN POWER & UTILITIES CORP. - Common shares (AQN)
CUSIP: 015857105
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common shares
- Total 13F shares
- 14,560,437
- Total 13F value
- $73,770,259
- Share change
- +256,468
- SEC-reported price per share
- $5.03
- Number of holders
- 51
- Value change
- +$757,249
- Number of buys
- 26
- Number of sells
- 14
- Shares outstanding
- 771,504,229
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
51
Top holders
10
AQN full security history
Ownership snapshot
Full 13F holder table
ALGONQUIN POWER & UTILITIES CORP. SEC filings
ALGONQUIN POWER & UTILITIES CORP. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 015857105
Recent filing periods:
Ownership snapshot
Top reported holders of AQN - ALGONQUIN POWER & UTILITIES CORP. - Common shares (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Starboard Value LP
Disclosed value leader
EdgePoint Investment Grou...
Comparable rows
4/15
Latest evidence
30 Jun 2026
13D/G
13F
Lead comparable stake: 7.4%
11 rows are not safely comparable across share classes.
13D/G row: Starboard Value LP
Showing 1-6 of 15 holder rows.
Quick read
Starboard Value LP leads the comparable SEC ownership view at 7.4%.
4 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Starboard Value LP's linked filing trail.
Comparable ownership
Top 4
Starboard Value LP
7.4%
FIL Ltd
5.1%
BlackRock, Inc.
4.4%
EdgePoint Investment Group Inc.
2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Starboard Value LP |
13D/G
13F
Company
|
7.4%
Reported 13D/G
· 30 Mar 2026
|
$354,163,419
57,215,415 shares
|
-$57,056,851 | 30 Mar 2026 |
| FIL Ltd |
13F
13D/G
Company · FIL Limited
|
5.1%
Reported 13D/G
· 30 Jun 2026
|
$231,308,366
39,334,903 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13D/G
13F
Company
|
4.4%
Reported 13D/G
· 31 Mar 2025
|
$179,400,251
33,913,091 shares
|
-$32,067,827 | 31 Mar 2025 |
| EdgePoint Investment Group Inc. |
13F
13D/G
Company
|
2%
Reported 13D/G
· 30 Sep 2026
|
$519,164,025
88,374,416 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$132,444,507
22,524,576 shares
|
— | 30 Jun 2026 |
| BANK OF MONTREAL /CAN/ |
13F
Company
|
—
denominator unverified
|
$121,341,127
20,655,228 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
51
Shares
14,560,437
Rows available
51
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
237
Q3 2026 holders
51
Holder diff
-186
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend