Question 1

How many shares of PRTA does Rockefeller Capital Management L.P. own?

Accepted Answer

As of 2026-Q2, Rockefeller Capital Management L.P. holds 5,132 shares of PRTA (PROTHENA CORP PLC).

Question 2

What is Rockefeller Capital Management L.P.'s PRTA position worth?

Accepted Answer

As of 2026-Q2, Rockefeller Capital Management L.P.'s PRTA position is worth $50,242.

Question 3

Is Rockefeller Capital Management L.P. buying or selling PRTA?

Accepted Answer

In 2026-Q2, Rockefeller Capital Management L.P. decreased their PRTA position (-8.6% change in shares).

Question 4

When did Rockefeller Capital Management L.P. first buy PRTA?

Accepted Answer

Based on available 13F filings, Rockefeller Capital Management L.P. first reported a position in PRTA in 2025-Q3. They have held the position across 23 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	5,132	-8.6%	$50,242	0.0%	$9.79	0
2026-Q1	Increased	5,613	+22.3%	$54,558	0.0%	$9.36	25
2025-Q4	Increased	4,590	+4.2%	$43,835	0.0%	$9.31	21
2025-Q3	New	4,405	—	$42,993	0.0%	$9.76	28