Royal Bank of Canada’s Mersana Therapeutics MRSN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-168
Closed -$5K 7472
2025
Q4
$5K Sell
168
-524
-76% -$9.95K ﹤0.01% 6719
2025
Q3
$5K Buy
692
+686
+11,433% +$5.15K ﹤0.01% 6705
2025
Q2
$0 Sell
6
-59
-91% -$518 ﹤0.01% 7222
2025
Q1
$0 Sell
65
-295
-82% -$4.55K ﹤0.01% 7086
2024
Q4
$12K Sell
360
-98
-21% -$5.07K ﹤0.01% 6294
2024
Q3
$22K Buy
458
+31
+7% +$1.37K ﹤0.01% 6072
2024
Q2
$21K Buy
427
+325
+319% +$23.5K ﹤0.01% 6057
2024
Q1
$11K Sell
102
-1,293
-93% -$129K ﹤0.01% 6171
2023
Q4
$81K Buy
1,395
+798
+134% +$32.1K ﹤0.01% 5739
2023
Q3
$19K Buy
597
+82
+16% +$3.9K ﹤0.01% 6203
2023
Q2
$42K Buy
515
+306
+146% +$44.8K ﹤0.01% 5858
2023
Q1
$21K Sell
209
-318
-60% -$44.6K ﹤0.01% 6012
2022
Q4
$76K Buy
527
+415
+371% +$70.1K ﹤0.01% 5645
2022
Q3
$18K Buy
112
+92
+460% +$15K ﹤0.01% 6189
2022
Q2
$2K Sell
20
-156
-89% -$14.7K ﹤0.01% 6972
2022
Q1
$18K Sell
176
-428
-71% -$50K ﹤0.01% 6657
2021
Q4
$94K Buy
604
+326
+117% +$63.4K ﹤0.01% 5994
2021
Q3
$66K Buy
278
+89
+47% +$26K ﹤0.01% 5992
2021
Q2
$64K Buy
189
+29
+18% +$11K ﹤0.01% 5869
2021
Q1
$65K Buy
160
+143
+841% +$69.4K ﹤0.01% 5724
2020
Q4
$11K Buy
17
+13
+325% +$7.23K ﹤0.01% 6335
2020
Q3
$2K Hold
4
﹤0.01% 6326
2020
Q2
$3K Sell
4
-2
-33% -$683 ﹤0.01% 6193
2020
Q1
$1K Sell
6
-125
-95% -$21.8K ﹤0.01% 6463
2019
Q4
$19K Buy
131
+106
+424% +$7.75K ﹤0.01% 5871
2019
Q3
$1K Sell
25
-38
-60% -$2.76K ﹤0.01% 6482
2019
Q2
$6K Buy
+63
New +$7.42K ﹤0.01% 6237
2018
Q4
Sell
-10
Closed -$2K 6981
2018
Q3
$2K Buy
10
+4
+67% +$1.34K ﹤0.01% 6524
2018
Q2
$3K Buy
+6
New +$2.63K ﹤0.01% 6167
2018
Q1
Sell
-2
Closed -$1K 6628
2017
Q4
$1K Sell
2
-12
-86% -$5.23K ﹤0.01% 6401
2017
Q3
$6K Buy
+14
New +$5.52K ﹤0.01% 6394

Other funds holding MRSN

Royal Bank of Canada's MRSN Position: Q1 2026 in Review

Royal Bank of Canada sold out of Mersana Therapeutics (MRSN) in Q1 2026, closing a stake of 168 shares — an estimated $5K sold.

Royal Bank of Canada first reported a position in MRSN in Q3 2017 and held it in 31 quarters. The position peaked at $94K in Q4 2021. 1 fund tracked by Wall St. Rank holds MRSN as of Q1 2026.

  • Royal Bank of Canada reported no remaining Mersana Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Royal Bank of Canada sold 168 Mersana Therapeutics shares in Q1 2026, an estimated $5K.
  • Royal Bank of Canada first reported a position in Mersana Therapeutics in Q3 2017 and held it in 31 quarters.
  • Royal Bank of Canada's Mersana Therapeutics position peaked at $94K in Q4 2021.
  • 1 fund tracked by Wall St. Rank held Mersana Therapeutics as of Q1 2026.

Based on Royal Bank of Canada's 13F filing for Q1 2026, filed 15 May 2026.