AIG
MRSN

American International Group’s Mersana Therapeutics MRSN Stock Holding History

American International Group’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
Q2 		– Sell
-2,186
Closed -$245K – 1671
2024
Q1 		$245K Sell
2,186
-18
-0.8% -$1.79K ﹤0.01% 2034
2023
Q4 		$128K Buy
2,204
+103
+5% +$4.14K ﹤0.01% 2415
2023
Q3 		$66.7K Buy
2,101
+169
+9% +$8.03K ﹤0.01% 2730
2023
Q2 		$159K Buy
1,932
+145
+8% +$21.2K ﹤0.01% 2303
2023
Q1 		$184K Buy
1,787
+36
+2% +$5.05K ﹤0.01% 2162
2022
Q4 		$257K Buy
1,751
+39
+2% +$6.59K ﹤0.01% 2003
2022
Q3 		$289K Buy
1,712
+71
+4% +$11.5K ﹤0.01% 1925
2022
Q2 		$189K Buy
1,641
+220
+15% +$20.7K ﹤0.01% 2216
2022
Q1 		$142K Sell
1,421
-100
-7% -$11.7K ﹤0.01% 2441
2021
Q4 		$237K Sell
1,521
-46
-3% -$8.95K ﹤0.01% 2267
2021
Q3 		$369K Buy
1,567
+23
+1% +$6.72K ﹤0.01% 2041
2021
Q2 		$524K Buy
1,544
+303
+24% +$115K ﹤0.01% 1893
2021
Q1 		$502K Buy
1,241
+3
+0.2% +$1.46K ﹤0.01% 1840
2020
Q4 		$823K Sell
1,238
-35
-3% -$19.5K ﹤0.01% 1499
2020
Q3 		$593K Buy
1,273
+151
+13% +$76.3K ﹤0.01% 1511
2020
Q2 		$656K Buy
1,122
+272
+32% +$92.9K ﹤0.01% 1456
2020
Q1 		$124K Sell
850
-50
-6% -$8.74K ﹤0.01% 2188
2019
Q4 		$129K Sell
900
-7
-0.8% -$512 ﹤0.01% 2476
2019
Q3 		$36K Sell
907
-6
-0.7% -$436 ﹤0.01% 2960
2019
Q2 		$92K Buy
913
+592
+184% +$69.7K ﹤0.01% 2726
2019
Q1 		$42K Sell
321
-11
-3% -$1.38K ﹤0.01% 2919
2018
Q4 		$34K Sell
332
-2
-0.6% -$316 ﹤0.01% 2963
2018
Q3 		$84K Buy
334
+9
+3% +$3.02K ﹤0.01% 2918
2018
Q2 		$145K Buy
325
+39
+14% +$17.1K ﹤0.01% 2561
2018
Q1 		$113K Buy
286
+150
+110% +$59.2K ﹤0.01% 2595
2017
Q4 		$56K Buy
136
+7
+5% +$3.05K ﹤0.01% 2923
2017
Q3 		$56K Buy
+129
New +$50.8K ﹤0.01% 2789

Other funds holding MRSN

EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return
NI
Nextech Invest Zurich, Switzerland $2.11B AUM 413.84% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 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
RSCM
Rock Springs Capital Management Baltimore, Maryland $2.05B AUM 161.37% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American International Group's MRSN Position: Q2 2024 in Review

American International Group sold out of Mersana Therapeutics (MRSN) in Q2 2024, closing a stake of 2,186 shares — an estimated $245K sold.

American International Group first reported a position in MRSN in Q3 2017 and held it in 27 quarters. The position peaked at $823K in Q4 2020. 120 funds tracked by Wall St. Rank hold MRSN as of Q2 2024.

  • American International Group reported no remaining Mersana Therapeutics position as of Q2 2024 after selling out during the quarter.
  • American International Group sold 2,186 Mersana Therapeutics shares in Q2 2024, an estimated $245K.
  • American International Group first reported a position in Mersana Therapeutics in Q3 2017 and held it in 27 quarters.
  • American International Group's Mersana Therapeutics position peaked at $823K in Q4 2020.
  • 120 funds tracked by Wall St. Rank held Mersana Therapeutics as of Q2 2024.

Based on American International Group's 13F filing for Q2 2024, filed 13 Aug 2024.