Security key
015857105
ALGONQUIN POWER & UTILITIES CORP. - Common shares (AQN)
CUSIP: 015857105
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common shares
- Total 13F shares
- 516,765,291
- Total 13F value
- $3,168,329,885
- Share change
- -5,241,129
- Put/Call ratio
- 18%
- SEC-reported price per share
- $6.14
- Number of holders
- 250
- Value change
- -$33,211,874
- Number of buys
- 124
- Number of sells
- 109
- Shares outstanding
- 771,504,229
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
250
Top holders
10
AQN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
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
15/15
Latest evidence
31 Dec 2025
13F
13D/G
Lead comparable stake: 7.4%
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%.
15 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 5
Starboard Value LP
7.4%
BlackRock, Inc.
4.4%
EdgePoint Investment Group Inc.
11%
FIL Ltd
6.4%
VANGUARD GROUP INC
4.5%
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 |
13F
13D/G
Company
|
7.4%
from 13D/G
|
$390,459,933
63,489,420 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13D/G
13F
Company
|
4.4%
|
$179,400,251
33,913,091 shares
|
-$32,067,827 | 31 Mar 2025 |
| EdgePoint Investment Group Inc. |
13F
Company
|
11%
|
$502,563,259
81,727,385 shares
|
— | 31 Dec 2025 |
| FIL Ltd |
13F
Company
|
6.4%
|
$301,307,190
48,999,903 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
4.5%
|
$211,870,898
34,456,155 shares
|
— | 31 Dec 2025 |
| BANK OF MONTREAL /CAN/ |
13F
Company
|
2.7%
|
$127,395,188
20,717,144 shares
|
— | 31 Dec 2025 |
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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
250
Shares
516,765,291
Rows available
250
| 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 Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
250
Q1 2026 holders
250
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend