State Street’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
-19,543
Closed -$565K 4315
2025
Q4
$565K Sell
19,543
-10,300
-35% -$196K ﹤0.01% 3649
2025
Q3
$232K Buy
29,843
+11,759
+65% +$88.2K ﹤0.01% 3873
2025
Q2
$134K Sell
18,084
-86,071
-83% -$756K ﹤0.01% 3921
2025
Q1
$896K Sell
104,155
-6,441
-6% -$99.4K ﹤0.01% 3456
2024
Q4
$3.95M Buy
110,596
+1,580
+1% +$81.7K ﹤0.01% 3062
2024
Q3
$5.15M Buy
109,016
+1,734
+2% +$76.5K ﹤0.01% 2958
2024
Q2
$5.39M Sell
107,282
-112,616
-51% -$8.14M ﹤0.01% 2894
2024
Q1
$24.6M Buy
219,898
+126,721
+136% +$12.6M ﹤0.01% 2093
2023
Q4
$5.4M Buy
93,177
+667
+0.7% +$26.8K ﹤0.01% 2905
2023
Q3
$2.94M Sell
92,510
-103,696
-53% -$4.93M ﹤0.01% 3162
2023
Q2
$16.1M Sell
196,206
-60,283
-24% -$8.82M ﹤0.01% 2372
2023
Q1
$26.4M Buy
256,489
+22,247
+9% +$3.12M ﹤0.01% 2036
2022
Q4
$34.3M Buy
234,242
+71,881
+44% +$12.1M ﹤0.01% 1883
2022
Q3
$27.4M Buy
162,361
+97,548
+151% +$15.9M ﹤0.01% 1999
2022
Q2
$7.49M Buy
64,813
+10,727
+20% +$1.01M ﹤0.01% 2882
2022
Q1
$5.39M Sell
54,086
-114,736
-68% -$13.4M ﹤0.01% 3143
2021
Q4
$26.3M Buy
168,822
+5,214
+3% +$1.01M ﹤0.01% 2262
2021
Q3
$38.6M Buy
163,608
+33,747
+26% +$9.86M ﹤0.01% 1993
2021
Q2
$44.1M Sell
129,861
-19,979
-13% -$7.56M ﹤0.01% 1940
2021
Q1
$60.6M Buy
149,840
+23,645
+19% +$11.5M ﹤0.01% 1600
2020
Q4
$84M Buy
126,195
+8,318
+7% +$4.63M 0.01% 1282
2020
Q3
$54.9M Buy
117,877
+55,259
+88% +$27.9M ﹤0.01% 1391
2020
Q2
$36.6M Buy
62,618
+34,885
+126% +$11.9M ﹤0.01% 1638
2020
Q1
$4.04M Buy
27,733
+2,906
+12% +$508K ﹤0.01% 2734
2019
Q4
$3.56M Buy
24,827
+841
+4% +$61.5K ﹤0.01% 3013
2019
Q3
$947K Buy
23,986
+2,470
+11% +$180K ﹤0.01% 3412
2019
Q2
$2.18M Buy
21,516
+13,856
+181% +$1.63M ﹤0.01% 3202
2019
Q1
$1.01M Buy
7,660
+628
+9% +$79K ﹤0.01% 3338
2018
Q4
$717K Sell
7,032
-336
-5% -$53.2K ﹤0.01% 3388
2018
Q3
$1.84M Buy
7,368
+401
+6% +$134K ﹤0.01% 3277
2018
Q2
$3.11M Buy
6,967
+968
+16% +$425K ﹤0.01% 3081
2018
Q1
$2.36M Buy
5,999
+4,235
+240% +$1.67M ﹤0.01% 3100
2017
Q4
$726K Buy
1,764
+835
+90% +$364K ﹤0.01% 3401
2017
Q3
$402K Buy
+929
New +$366K ﹤0.01% 3509

Other funds holding MRSN