Ohio Public Employees Retirement System (OPERS)’s Mersana Therapeutics MRSN Stock Holding History

Ohio Public Employees Retirement System (OPERS)’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 Q1	–	Sell	-823	Closed	-$29.4K	–	2382
2024 Q4	$29.4K	Hold	823	–	–	﹤0.01%	2089
2024 Q3	$38.9K	Hold	823	–	–	﹤0.01%	1838
2024 Q2	$41.4K	Buy	+823	New	+$59.5K	﹤0.01%	1609
2024 Q1	–	Sell	-632	Closed	-$36.7K	–	2002
2023 Q4	$36.7K	Buy	+632	New	+$25.4K	﹤0.01%	1651
2023 Q2	–	Sell	-47	Closed	-$5K	–	2001
2023 Q1	$5K	Sell	47 -680	-94%	-$95.4K	﹤0.01%	1951
2022 Q4	$107K	Sell	727 -165	-18%	-$27.9K	﹤0.01%	1474
2022 Q3	$151K	Buy	+892	New	+$145K	﹤0.01%	1524
2019 Q4	–	Sell	-660	Closed	-$26K	–	1919
2019 Q3	$26K	Sell	660 -272	-29%	-$19.8K	﹤0.01%	1925
2019 Q2	$94K	Buy	+932	New	+$110K	﹤0.01%	1650

Other funds holding MRSN

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

SSA

Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

RSCM

Rock Springs Capital Management Baltimore, Maryland $2.05B AUM 161.37% 1-Year Est. Return

VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return

SCM

Silverarc Capital Management Boston, Massachusetts $962M AUM 524.64% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Ohio Public Employees Retirement System (OPERS)'s MRSN Position: Q1 2025 in Review

Ohio Public Employees Retirement System (OPERS) sold out of Mersana Therapeutics (MRSN) in Q1 2025, closing a stake of 823 shares — an estimated $29.4K sold.

Ohio Public Employees Retirement System (OPERS) first reported a position in MRSN in Q2 2019 and held it in 9 quarters. The position peaked at $151K in Q3 2022. 108 funds tracked by Wall St. Rank hold MRSN as of Q1 2025.

Ohio Public Employees Retirement System (OPERS) reported no remaining Mersana Therapeutics position as of Q1 2025 after selling out during the quarter.
Ohio Public Employees Retirement System (OPERS) sold 823 Mersana Therapeutics shares in Q1 2025, an estimated $29.4K.
Ohio Public Employees Retirement System (OPERS) first reported a position in Mersana Therapeutics in Q2 2019 and held it in 9 quarters.
Ohio Public Employees Retirement System (OPERS)'s Mersana Therapeutics position peaked at $151K in Q3 2022.
108 funds tracked by Wall St. Rank held Mersana Therapeutics as of Q1 2025.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q1 2025, filed 14 May 2025.