Starboard Value’s Algonquin Power & Utilities AQN Stock Holding History

Starboard Value’s Portfolio AQN Stock Details AQN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$335M	Hold	57,189,420	–	–	7.41%	5
2026 Q1	$351M	Sell	57,189,420 -6,300,000	-10%	-$40.8M	7.68%	4
2025 Q4	$390M	Hold	63,489,420	–	–	7.4%	3
2025 Q3	$341M	Hold	63,489,420	–	–	6.42%	7
2025 Q2	$364M	Sell	63,489,420 -2,943,580	-4%	-$16.1M	6.31%	7
2025 Q1	$341M	Buy	66,433,000 +1,117,000	+2%	+$5.27M	6.21%	7
2024 Q4	$291M	Buy	65,316,000 +3,175,000	+5%	+$15.3M	5.26%	9
2024 Q3	$339M	Hold	62,141,000	–	–	7.2%	6
2024 Q2	$364M	Hold	62,141,000	–	–	8.48%	4
2024 Q1	$393M	Buy	62,141,000 +150,000	+0.2%	+$909K	8.11%	3
2023 Q4	$392M	Buy	61,991,000 +3,591,000	+6%	+$21M	8.15%	6
2023 Q3	$346M	Buy	58,400,000 +24,261,350	+71%	+$183M	8.86%	4
2023 Q2	$282M	Buy	+34,138,650	New	+$290M	6.09%	9

Other funds holding AQN

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return

Mitsubishi UFJ Trust & Banking Tokyo, Japan $45.7B AUM 34.08% 1-Year Est. Return

BCIM

British Columbia Investment Management Victoria, British Columbia, Canada $16B AUM 37.57% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Starboard Value's AQN Position: Q2 2026 in Review

Starboard Value held its Algonquin Power & Utilities (AQN) position steady in Q2 2026 at 57,189,420 shares worth $335M. The position accounts for 7.41% of the portfolio, ranked #5.

Starboard Value first reported a position in AQN in Q2 2023 and has held it in 13 quarters since. The position peaked at $393M in Q1 2024. 240 funds tracked by Wall St. Rank hold AQN as of Q2 2026.

Starboard Value held 57,189,420 shares of Algonquin Power & Utilities worth $335M as of Q2 2026.
Starboard Value left its Algonquin Power & Utilities share count unchanged in Q2 2026.
Algonquin Power & Utilities made up 7.41% of Starboard Value's portfolio in Q2 2026, its #5 holding.
Starboard Value first reported a position in Algonquin Power & Utilities in Q2 2023 and has held it in 13 quarters since.
Starboard Value's Algonquin Power & Utilities position peaked at $393M in Q1 2024.
240 funds tracked by Wall St. Rank held Algonquin Power & Utilities as of Q2 2026.

Based on Starboard Value's 13F filing for Q2 2026, filed 14 Aug 2026.