Mariner
SU icon

Mariner’s Suncor Energy SU Stock Holding History

Mariner’s Portfolio SU Stock Details SU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.55M Sell
84,728
-6,943
-8% -$440K ﹤0.01% 1077
2026
Q1 		$6.06M Buy
91,671
+10,188
+13% +$563K 0.01% 980
2025
Q4 		$3.62M Buy
81,483
+8,213
+11% +$347K ﹤0.01% 1172
2025
Q3 		$3.06M Buy
73,270
+310
+0.4% +$12.4K ﹤0.01% 1173
2025
Q2 		$2.73M Buy
72,960
+10,687
+17% +$386K ﹤0.01% 1156
2025
Q1 		$2.41M Sell
62,273
-1,645
-3% -$62.8K ﹤0.01% 1140
2024
Q4 		$2.28M Buy
63,918
+2,310
+4% +$88.9K ﹤0.01% 1145
2024
Q3 		$2.27M Buy
61,608
+4,072
+7% +$157K ﹤0.01% 1127
2024
Q2 		$2.19M Buy
57,536
+5,849
+11% +$226K ﹤0.01% 1070
2024
Q1 		$1.91M Buy
51,687
+3,867
+8% +$130K ﹤0.01% 1135
2023
Q4 		$1.53M Buy
47,820
+1,880
+4% +$61.4K ﹤0.01% 1181
2023
Q3 		$1.58M Buy
45,940
+7,950
+21% +$255K ﹤0.01% 1087
2023
Q2 		$1.11M Sell
37,990
-11,634
-23% -$348K ﹤0.01% 1240
2023
Q1 		$1.54M Buy
49,624
+11,628
+31% +$378K ﹤0.01% 1072
2022
Q4 		$1.21M Sell
37,996
-1,997
-5% -$65.6K ﹤0.01% 1145
2022
Q3 		$1.13M Buy
39,993
+18,942
+90% +$598K ﹤0.01% 1000
2022
Q2 		$738K Buy
21,051
+3,688
+21% +$134K ﹤0.01% 1014
2022
Q1 		$566K Buy
17,363
+2,661
+18% +$79K ﹤0.01% 1103
2021
Q4 		$368K Buy
14,702
+1,348
+10% +$32.8K ﹤0.01% 1064
2021
Q3 		$277K Sell
13,354
-695
-5% -$13.9K ﹤0.01% 948
2021
Q2 		$337K Buy
14,049
+3,576
+34% +$82K ﹤0.01% 855
2021
Q1 		$219K Buy
+10,473
New +$205K ﹤0.01% 844
2020
Q1 		– Sell
-10,420
Closed -$342K – 751
2019
Q4 		$342K Sell
10,420
-1,784
-15% -$55.7K ﹤0.01% 649
2019
Q3 		$385K Buy
12,204
+2,670
+28% +$80.3K ﹤0.01% 625
2019
Q2 		$297K Buy
9,534
+1,573
+20% +$50.3K ﹤0.01% 888
2019
Q1 		$258K Buy
+7,961
New +$259K ﹤0.01% 865
2015
Q4 		– Sell
-16,184
Closed -$432K – 550
2015
Q3 		$432K Sell
16,184
-6,067
-27% -$163K 0.02% 354
2015
Q2 		$612K Buy
+22,251
New +$672K 0.03% 310

Other funds holding SU

Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
EIM
Elliott Investment Management West Palm Beach, Florida $22.7B AUM 59.88% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return

Mariner's SU Position: Q2 2026 in Review

Mariner reduced its Suncor Energy (SU) stake by 7.6% in Q2 2026, selling an estimated $440K and leaving 84,728 shares worth $4.55M. The position accounts for ﹤0.01% of the portfolio, ranked #1077.

Mariner first reported a position in SU in Q2 2015 and has held it in 28 quarters since. The position peaked at $6.06M in Q1 2026. 754 funds tracked by Wall St. Rank hold SU as of Q2 2026.

  • Mariner held 84,728 shares of Suncor Energy worth $4.55M as of Q2 2026.
  • Mariner sold 6,943 Suncor Energy shares in Q2 2026, an estimated $440K.
  • Suncor Energy made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1077 holding.
  • Mariner first reported a position in Suncor Energy in Q2 2015 and has held it in 28 quarters since.
  • Mariner's Suncor Energy position peaked at $6.06M in Q1 2026.
  • 754 funds tracked by Wall St. Rank held Suncor Energy as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.