Adage Capital Partners’s CubeSmart CUBE Stock Holding History

Adage Capital Partners’s Portfolio CUBE Stock Details CUBE Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-530,000	Closed	-$19.1M	–	992
2025 Q4	$19.1M	Buy	530,000 +30,000	+6%	+$1.14M	0.03%	498
2025 Q3	$20.3M	Buy	500,000 +430,000	+614%	+$17.5M	0.03%	463
2025 Q2	$2.98M	Sell	70,000 -55,000	-44%	-$2.28M	0.01%	743
2025 Q1	$5.34M	Buy	125,000 +25,000	+25%	+$1.04M	0.01%	690
2024 Q4	$4.29M	Buy	+100,000	New	+$4.79M	0.01%	729
2024 Q3	–	Sell	-300,000	Closed	-$13.6M	–	889
2024 Q2	$13.6M	Sell	300,000 -110,000	-27%	-$4.74M	0.03%	537
2024 Q1	$18.5M	Buy	410,000 +170,000	+71%	+$7.54M	0.04%	475
2023 Q4	$11.1M	Buy	240,000 +115,000	+92%	+$4.52M	0.02%	573
2023 Q3	$4.77M	Buy	+125,000	New	+$5.27M	0.01%	669

Other funds holding CUBE

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $181B AUM 41.77% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Adage Capital Partners's CUBE Position: Q1 2026 in Review

Adage Capital Partners sold out of CubeSmart (CUBE) in Q1 2026, closing a stake of 530,000 shares — an estimated $19.1M sold.

Adage Capital Partners first reported a position in CUBE in Q3 2023 and held it in 9 quarters. The position peaked at $20.3M in Q3 2025. 487 funds tracked by Wall St. Rank hold CUBE as of Q1 2026.

Adage Capital Partners reported no remaining CubeSmart position as of Q1 2026 after selling out during the quarter.
Adage Capital Partners sold 530,000 CubeSmart shares in Q1 2026, an estimated $19.1M.
Adage Capital Partners first reported a position in CubeSmart in Q3 2023 and held it in 9 quarters.
Adage Capital Partners's CubeSmart position peaked at $20.3M in Q3 2025.
487 funds tracked by Wall St. Rank held CubeSmart as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.