Question 1

How many shares of PRTA does ProShare Advisors LLC own?

Accepted Answer

ProShare Advisors LLC previously held 0 shares of PRTA (PROTHENA CORP PLC) before exiting the position in 2026-Q1.

Question 2

What is ProShare Advisors LLC's PRTA position worth?

Accepted Answer

ProShare Advisors LLC's PRTA position was last reported at $0 in 2026-Q1 before the exit.

Question 3

Is ProShare Advisors LLC buying or selling PRTA?

Accepted Answer

In 2026-Q1, ProShare Advisors LLC exited their PRTA position entirely (-100.0% change in shares).

Question 4

When did ProShare Advisors LLC first buy PRTA?

Accepted Answer

Based on available 13F filings, ProShare Advisors LLC first reported a position in PRTA in 2024-Q3. They have held the position across 29 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$9.36	0
2025-Q4	New	10,425	—	$99,559	0.0%	$9.31	30
2025-Q2	Exited	0	-100.0%	$0	0.0%	$6.08	0
2025-Q1	Decreased	11,632	-19.9%	$143,947	0.0%	$13.14	0
2024-Q4	Increased	14,524	+29.5%	$201,158	0.0%	$14.88	29
2024-Q3	New	11,212	—	$187,576	0.0%	$20.05	31