What does CUSIP 015857808 represent in this 13F holders report?

CUSIP 015857808 is the security identifier for AQNB - ALGONQUIN POWER & UTILITIES CORP. - Pref used to aggregate holder disclosures.

How many institutions held AQNB - ALGONQUIN POWER & UTILITIES CORP. - Pref in Q3 2023?

2 institutional investors reported AQNB - ALGONQUIN POWER & UTILITIES CORP. - Pref for Q3 2023. Use the holders table for investor-level position and value details.

ALGONQUIN POWER & UTILITIES CORP. - Pref (AQNB)

CUSIP: 015857808

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / Pref
Total 13F shares: 142
Total 13F value: $3,483
Share change: +7
SEC-reported price per share: $24.48
Number of holders: 2
Value change: +$171
Number of buys: 1

Security key

015857808

Report period

Q3 2023

Institutions

Top holders

AQNB full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 ALGONQUIN POWER & UTILITIES CORP. SEC filings ALGONQUIN POWER & UTILITIES CORP. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 015857808

Newer quarter: Q3 2025

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of AQNB - ALGONQUIN POWER & UTILITIES CORP. - Pref (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

BANK OF MONTREAL /CAN/

Disclosed value leader

BANK OF MONTREAL /CAN/

Comparable rows

15/15

Latest evidence

30 Jun 2023

13F Lead comparable stake: 5.1% Showing 1-6 of 15 holder rows.

Quick read

BANK OF MONTREAL /CAN/ leads the comparable SEC ownership view at 5.1%.

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 BANK OF MONTREAL /CAN/'s linked filing trail.

Comparable ownership Top 5

BANK OF MONTREAL /CAN/ 5.1%

Starboard Value LP 4.5%

VANGUARD GROUP INC 3.3%

BANK OF AMERICA CORP /DE/ 3.1%

ROYAL BANK OF CANADA 2.8%

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
BANK OF MONTREAL /CAN/	13F Company 13F	5.1%	$336,910,940 38,927,119 shares	—	30 Jun 2023
Starboard Value LP	13F Company 13F	4.5%	$281,985,249 34,138,650 shares	—	30 Jun 2023
VANGUARD GROUP INC	13F Company 13F	3.3%	$209,016,451 25,304,655 shares	—	30 Jun 2023
BANK OF AMERICA CORP /DE/	13F Company 13F	3.1%	$196,099,256 23,740,830 shares	—	30 Jun 2023
ROYAL BANK OF CANADA	13F Company 13F	2.8%	$175,903,000 21,295,878 shares	—	30 Jun 2023
BANK OF NOVA SCOTIA	13F Company 13F	1.9%	$120,977,818 14,633,130 shares	—	30 Jun 2023

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 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

142

Rows available

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 2023 vs Q4 2025 Across Filers

Q4 2025 holders

Q3 2023 holders

Holder diff

Investor	Q4 2025 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q4 2025 value	Q3 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend