Algonquin Power & Utilities Corp (AQN) SEC Filings 2026: 10-K, 10-Q, 8-K, Insider Trading

AQN at a glance

As of June 30, 2026, 26 institutional investment managers tracked by SignalX reported holding Algonquin Power & Utilities Corp (AQN) shares worth $845.2 million in 13F-HR filings.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Insiders · 90 days: 0 buys · 0 sells; No open-market trades
13F holders: 26 funds; $845.2M · +0 vs prior quarter

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13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate AQN share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table

AQN shares held by 13F filers tracked by SignalX, by quarter
Quarter	Funds	Total value
Q2 2026	26	$845.2M
Q1 2026	26	$864.4M
Q4 2025	25	$936.2M
Q3 2025	25	$780.0M
Q2 2025	24	$862.0M
Q1 2025	20	$693.4M
Q4 2024	16	$503.8M
Q3 2024	13	$407.3M

Position changes: Q1 2026 → Q2 2026

Top Buyers

Morgan Stanley+4.27M (+60%)
D.E. Shaw & Co+4.12M (+121%)
Goldman Sachs Group+1.33M (+17%)
Two Sigma Investments+857.4K (+325%)
Citadel Advisors LLC+753.3K (+49%)

Top Sellers

Invesco Ltd−3.84M (-94%)
JPMorgan Chase & Co−2.68M (-91%)
Principal Financial Group−2.07M (-15%)
Renaissance Technologies LLC−856.5K (-44%)
Millennium Management−243.9K (-86%)

New Positions

First Bancorp, Inc /ME/+3.7K

Closed Positions

Atlantic Union Bankshares Corp−1.0K

Source: 13F-HR filings on SEC EDGAR (aggregated from 175 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

Form	Filing date	Period	Analysis	SEC
6-K	Aug 28, 2026	-	-	-
6-K	Aug 7, 2026	-	-	-
6-K	Jul 31, 2026	-	-	-
6-K	Jun 29, 2026	-	-	-
6-K	May 20, 2026	-	-
6-K	May 13, 2026	-	-
6-K	May 8, 2026	-	-
6-K	Apr 8, 2026	-	-	-
6-K	Mar 6, 2026	-	-	-
40-F	Mar 6, 2026	Dec 31, 2025	-
40-F	Mar 7, 2025	Dec 31, 2024	-
40-F	Mar 8, 2024	Dec 31, 2023	-
40-F	Mar 17, 2023	Dec 31, 2022	-
40-F	Mar 4, 2022	Dec 31, 2021	-
40-F	Mar 5, 2021	Dec 31, 2020	-
40-F	Feb 28, 2020	Dec 31, 2019	-
40-F	Feb 28, 2019	Dec 31, 2018	-
40-F	Mar 8, 2018	Dec 31, 2017	-
40-F	Mar 10, 2017	Dec 31, 2016	-
40-F	Mar 15, 2016	Dec 31, 2015	-
40-F	Mar 31, 2015	Dec 31, 2014	-
40-F	Mar 28, 2014	Dec 31, 2013	-
40-F	Mar 29, 2013	Dec 31, 2012	-
40-F	Mar 30, 2012	Dec 31, 2011	-
40-F	Apr 1, 2011	Dec 31, 2010	-

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AQN SEC filings: frequently asked questions

Which institutions hold AQN stock?

As of June 30, 2026, the largest Algonquin Power & Utilities Corp (AQN) holders among the 13F filers tracked by SignalX were Starboard Value LP ($335.1 million), Vanguard Capital Management LLC ($132.4 million), Principal Financial Group ($67.9 million), Morgan Stanley ($66.6 million), Goldman Sachs Group ($53.4 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What is AQN's SEC CIK number?

Algonquin Power & Utilities Corp (AQN)'s SEC Central Index Key (CIK) is 1174169. EDGAR lists every AQN filing under that number.

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