Question 1

How many shares of MRSN does JPMORGAN CHASE & CO own?

Accepted Answer

JPMORGAN CHASE & CO previously held 0 shares of MRSN (MERSANA THERAPEUTICS INC) before exiting the position in 2026-Q1.

Question 2

What is JPMORGAN CHASE & CO's MRSN position worth?

Accepted Answer

JPMORGAN CHASE & CO's MRSN position was last reported at $0 in 2026-Q1 before the exit.

Question 3

Is JPMORGAN CHASE & CO buying or selling MRSN?

Accepted Answer

In 2026-Q1, JPMORGAN CHASE & CO exited their MRSN position entirely (-100.0% change in shares).

Question 4

When did JPMORGAN CHASE & CO first buy MRSN?

Accepted Answer

Based on available 13F filings, JPMORGAN CHASE & CO first reported a position in MRSN in 2024-Q4. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$29.08	0
2025-Q4	Decreased	112	-99.1%	$3,240	0.0%	$28.65	0
2025-Q3	Decreased	12,216	-90.6%	$94,796	0.0%	$7.79	0
2025-Q2	Increased	130,094	+156.6%	$38,508	0.0%	$7.28	22
2025-Q1	Decreased	50,704	-98.0%	$17,452	0.0%	$9.49	0
2024-Q4	New	2.5M	-	$3.6M	0.0%	$35.50	37

MRSN6 quarters

MRSN
6 quarters