State of Wisconsin Investment Board
MRSN

State of Wisconsin Investment Board’s Mersana Therapeutics MRSN Stock Holding History

State of Wisconsin Investment Board’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
2024
Q3 		– Sell
-3,344
Closed -$168K – 2334
2024
Q2 		$168K Sell
3,344
-916
-22% -$66.2K ﹤0.01% 2177
2024
Q1 		$477K Buy
+4,260
New +$423K ﹤0.01% 1780
2023
Q4 		– Sell
-410
Closed -$13K – 2490
2023
Q3 		$13K Sell
410
-2,391
-85% -$114K ﹤0.01% 2483
2023
Q2 		$230K Sell
2,801
-145
-5% -$21.2K ﹤0.01% 2088
2023
Q1 		$303K Buy
2,946
+30
+1% +$4.21K ﹤0.01% 2091
2022
Q4 		$427K Sell
2,916
-2,595
-47% -$439K ﹤0.01% 1955
2022
Q3 		$931K Sell
5,511
-4,118
-43% -$669K ﹤0.01% 1574
2022
Q2 		$1.11M Buy
9,629
+1,817
+23% +$171K ﹤0.01% 1581
2022
Q1 		$779K Buy
7,812
+4,948
+173% +$578K ﹤0.01% 1694
2021
Q4 		$445K Hold
2,864
– – ﹤0.01% 1715
2021
Q3 		$675K Sell
2,864
-324
-10% -$94.7K ﹤0.01% 1581
2021
Q2 		$1.08M Sell
3,188
-452
-12% -$171K ﹤0.01% 1428
2021
Q1 		$1.47M Buy
3,640
+164
+5% +$79.5K ﹤0.01% 1285
2020
Q4 		$2.31M Sell
3,476
-172
-5% -$95.6K 0.01% 1175
2020
Q3 		$1.7M Buy
3,648
+548
+18% +$277K ﹤0.01% 1188
2020
Q2 		$1.81M Buy
3,100
+768
+33% +$262K 0.01% 1148
2020
Q1 		$340K Buy
+2,332
New +$408K ﹤0.01% 1452
2019
Q2 		– Sell
-680
Closed -$89K – 1578
2019
Q1 		$89K Buy
680
+160
+31% +$20.1K ﹤0.01% 1512
2018
Q4 		$53K Buy
+520
New +$82.3K ﹤0.01% 1519

Other funds holding MRSN

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
NI
Nextech Invest Zurich, Switzerland $1.42B AUM 304.47% 1-Year Est. Return
VA
VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State of Wisconsin Investment Board's MRSN Position: Q3 2024 in Review

State of Wisconsin Investment Board sold out of Mersana Therapeutics (MRSN) in Q3 2024, closing a stake of 3,344 shares — an estimated $168K sold.

State of Wisconsin Investment Board first reported a position in MRSN in Q4 2018 and held it in 19 quarters. The position peaked at $2.31M in Q4 2020. 113 funds tracked by Wall St. Rank hold MRSN as of Q3 2024.

  • State of Wisconsin Investment Board reported no remaining Mersana Therapeutics position as of Q3 2024 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 3,344 Mersana Therapeutics shares in Q3 2024, an estimated $168K.
  • State of Wisconsin Investment Board first reported a position in Mersana Therapeutics in Q4 2018 and held it in 19 quarters.
  • State of Wisconsin Investment Board's Mersana Therapeutics position peaked at $2.31M in Q4 2020.
  • 113 funds tracked by Wall St. Rank held Mersana Therapeutics as of Q3 2024.

Based on State of Wisconsin Investment Board's 13F filing for Q3 2024, filed 14 Nov 2024.