Mariner’s Trupanion TRUP Stock Holding History

Mariner’s Portfolio TRUP Stock Details TRUP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-4,946	Closed	-$274K	–	3762
2025 Q2	$274K	Buy	+4,946	New	+$219K	﹤0.01%	2793
2025 Q1	–	Sell	-4,912	Closed	-$237K	–	3589
2024 Q4	$237K	Buy	4,912 +102	+2%	+$5.24K	﹤0.01%	2850
2024 Q3	$202K	Buy	+4,810	New	+$188K	﹤0.01%	2931

Other funds holding TRUP

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Aflac Inc Columbus, Georgia $94.8M AUM 29.95% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

PCH

Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Mariner's TRUP Position: Q3 2025 in Review

Mariner sold out of Trupanion (TRUP) in Q3 2025, closing a stake of 4,946 shares — an estimated $274K sold.

Mariner first reported a position in TRUP in Q3 2024 and held it in 3 quarters. The position peaked at $274K in Q2 2025. 221 funds tracked by Wall St. Rank hold TRUP as of Q3 2025.

Mariner reported no remaining Trupanion position as of Q3 2025 after selling out during the quarter.
Mariner sold 4,946 Trupanion shares in Q3 2025, an estimated $274K.
Mariner first reported a position in Trupanion in Q3 2024 and held it in 3 quarters.
Mariner's Trupanion position peaked at $274K in Q2 2025.
221 funds tracked by Wall St. Rank held Trupanion as of Q3 2025.

Based on Mariner's 13F filing for Q3 2025, filed 14 Nov 2025.