Question 1

How many shares of MTSR does Bank of New York Mellon Corp own?

Accepted Answer

Bank of New York Mellon Corp previously held 0 shares of MTSR (METSERA INC) before exiting the position in 2025-Q4.

Question 2

What is Bank of New York Mellon Corp's MTSR position worth?

Accepted Answer

Bank of New York Mellon Corp's MTSR position was last reported at $0 in 2025-Q4 before the exit.

Question 3

Is Bank of New York Mellon Corp buying or selling MTSR?

Accepted Answer

In 2025-Q4, Bank of New York Mellon Corp exited their MTSR position entirely (-100.0% change in shares).

Question 4

When did Bank of New York Mellon Corp first buy MTSR?

Accepted Answer

Based on available 13F filings, Bank of New York Mellon Corp first reported a position in MTSR in 2025-Q1. They have held the position across 4 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Exited	0	-100.0%	$0	0.0%	—	0
2025-Q3	Increased	163,726	+314.3%	$8.6M	0.0%	—	44
2025-Q2	Increased	39,521	+21.6%	$1.1M	0.0%	—	30
2025-Q1	New	32,494	-	$884,486	0.0%	—	34

MTSR4 quarters

MTSR
4 quarters