PPA
MRSN

Parametric Portfolio Associates’s Mersana Therapeutics MRSN Stock Holding History

Parametric Portfolio Associates’s Portfolio MRSN Stock Details MRSN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q1 		$119K Buy
1,193
+10
+0.8% +$1.17K ﹤0.01% 3534
2021
Q4 		$184K Sell
1,183
-160
-12% -$31.1K ﹤0.01% 3442
2021
Q3 		$317K Sell
1,343
-96
-7% -$28K ﹤0.01% 3278
2021
Q2 		$489K Sell
1,439
-153
-10% -$57.9K ﹤0.01% 3094
2021
Q1 		$644K Buy
1,592
+678
+74% +$329K ﹤0.01% 3373
2020
Q4 		$608K Buy
914
+120
+15% +$66.7K ﹤0.01% 3291
2020
Q3 		$370K Sell
794
-3
-0.4% -$1.52K ﹤0.01% 3401
2020
Q2 		$466K Buy
797
+213
+36% +$72.7K ﹤0.01% 3309
2020
Q1 		$85K Buy
584
+50
+9% +$8.74K ﹤0.01% 3753
2019
Q4 		$76K Sell
534
-1,795
-77% -$131K ﹤0.01% 3891
2019
Q3 		$92K Sell
2,329
-2,586
-53% -$188K ﹤0.01% 3845
2019
Q2 		$498K Buy
4,915
+214
+5% +$25.2K ﹤0.01% 3367
2019
Q1 		$618K Buy
4,701
+78
+2% +$9.81K ﹤0.01% 3243
2018
Q4 		$472K Buy
4,623
+2,038
+79% +$322K ﹤0.01% 3338
2018
Q3 		$646K Buy
2,585
+821
+47% +$275K ﹤0.01% 3315
2018
Q2 		$787K Buy
1,764
+365
+26% +$160K ﹤0.01% 3166
2018
Q1 		$552K Buy
1,399
+457
+49% +$180K ﹤0.01% 3293
2017
Q4 		$387K Buy
942
+1
+0.1% +$436 ﹤0.01% 3450
2017
Q3 		$407K Buy
+941
New +$371K ﹤0.01% 3542

Other funds holding MRSN

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Millennium Management
Millennium Management New York $134B AUM 35.51% 1-Year Est. Return
O
OrbiMed New York $4.59B AUM 125.28% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $158M AUM 103.7% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AG
Artal Group Luxembourg $1.01B AUM 29.84% 1-Year Est. Return