Nisa Investment Advisors
MRSN

Nisa Investment Advisors’s Mersana Therapeutics MRSN Stock Holding History

Nisa Investment Advisors’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
2025
Q3 		– Sell
-42
Closed -$311 – 3047
2025
Q2 		$311 Sell
42
-10
-19% -$88 ﹤0.01% 2931
2025
Q1 		$447 Sell
52
-93
-64% -$1.44K ﹤0.01% 2822
2024
Q4 		$5.18K Buy
145
+20
+16% +$1.03K ﹤0.01% 2269
2024
Q3 		$5.92K Sell
125
-587
-82% -$25.9K ﹤0.01% 2192
2024
Q2 		$35.8K Buy
712
+3
+0.4% +$217 ﹤0.01% 1765
2024
Q1 		$79.5K Buy
709
+3
+0.4% +$298 ﹤0.01% 1539
2023
Q4 		$40.9K Buy
706
+584
+479% +$23.5K ﹤0.01% 1685
2023
Q3 		$3.87K Buy
122
+9
+8% +$428 ﹤0.01% 2306
2023
Q2 		$9.28K Buy
113
+89
+371% +$13K ﹤0.01% 2271
2023
Q1 		$3K Hold
24
– – ﹤0.01% 2288
2022
Q4 		$4K Sell
24
-4
-14% -$676 ﹤0.01% 2312
2022
Q3 		$5K Buy
28
+4
+17% +$650 ﹤0.01% 2293
2022
Q2 		$3K Sell
24
-1,924
-99% -$181K ﹤0.01% 2322
2022
Q1 		$194K Buy
1,948
+1,924
+8,017% +$225K ﹤0.01% 1385
2021
Q4 		$3K Hold
24
– – ﹤0.01% 2116
2021
Q3 		$6K Sell
24
-122
-84% -$35.6K ﹤0.01% 2248
2021
Q2 		$50K Sell
146
-234
-62% -$88.6K ﹤0.01% 1945
2021
Q1 		$154K Sell
380
-684
-64% -$332K ﹤0.01% 1565
2020
Q4 		$708K Buy
1,064
+772
+264% +$429K ﹤0.01% 1059
2020
Q3 		$136K Hold
292
– – ﹤0.01% 1436
2020
Q2 		$171K Buy
+292
New +$99.7K ﹤0.01% 1321

Other funds holding MRSN

NI
Nextech Invest Zurich, Switzerland $2.11B AUM 413.84% 1-Year Est. Return
AV
Alamea Verwaltungs Edison, New Jersey $125M AUM 27.56% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $2.05B AUM 161.37% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
SCM
Silverarc Capital Management Boston, Massachusetts $962M AUM 524.64% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Nisa Investment Advisors's MRSN Position: Q3 2025 in Review

Nisa Investment Advisors sold out of Mersana Therapeutics (MRSN) in Q3 2025, closing a stake of 42 shares — an estimated $311 sold.

Nisa Investment Advisors first reported a position in MRSN in Q2 2020 and held it in 21 quarters. The position peaked at $708K in Q4 2020. 49 funds tracked by Wall St. Rank hold MRSN as of Q3 2025.

  • Nisa Investment Advisors reported no remaining Mersana Therapeutics position as of Q3 2025 after selling out during the quarter.
  • Nisa Investment Advisors sold 42 Mersana Therapeutics shares in Q3 2025, an estimated $311.
  • Nisa Investment Advisors first reported a position in Mersana Therapeutics in Q2 2020 and held it in 21 quarters.
  • Nisa Investment Advisors's Mersana Therapeutics position peaked at $708K in Q4 2020.
  • 49 funds tracked by Wall St. Rank held Mersana Therapeutics as of Q3 2025.

Based on Nisa Investment Advisors's 13F filing for Q3 2025, filed 23 Oct 2025.