Question 1

How many shares of PRTA does WELLINGTON MANAGEMENT GROUP LLP own?

Accepted Answer

WELLINGTON MANAGEMENT GROUP LLP previously held 0 shares of PRTA (PROTHENA CORP PLC) before exiting the position in 2025-Q3.

Question 2

What is WELLINGTON MANAGEMENT GROUP LLP's PRTA position worth?

Accepted Answer

WELLINGTON MANAGEMENT GROUP LLP's PRTA position was last reported at $0 in 2025-Q3 before the exit.

Question 3

Is WELLINGTON MANAGEMENT GROUP LLP buying or selling PRTA?

Accepted Answer

In 2025-Q3, WELLINGTON MANAGEMENT GROUP LLP exited their PRTA position entirely (-100.0% change in shares).

Question 4

When did WELLINGTON MANAGEMENT GROUP LLP first buy PRTA?

Accepted Answer

Based on available 13F filings, WELLINGTON MANAGEMENT GROUP LLP first reported a position in PRTA in 2022-Q4. They have held the position across 12 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q3 Latest	Exited	0	-100.0%	$0	0.0%	$9.76	0
2025-Q2	Decreased	107,839	-97.9%	$654,583	0.0%	$6.08	0
2025-Q1	Increased	5.2M	+1.3%	$64.3M	0.0%	$13.14	30
2024-Q4	Increased	5.1M	+22.8%	$71.1M	0.0%	$14.88	36
2024-Q3	Increased	4.2M	+14.8%	$69.9M	0.0%	$20.05	34
2024-Q2	Decreased	3.6M	-3.0%	$75.1M	0.0%	$20.64	0
2024-Q1	Increased	3.8M	+44.6%	$92.9M	0.0%	$24.77	40
2023-Q4	Increased	2.6M	+21.1%	$94.3M	0.0%	$36.34	36
2023-Q3	Decreased	2.1M	-3.1%	$103.3M	0.0%	$48.25	0
2023-Q2	Decreased	2.2M	-2.4%	$151M	0.0%	$68.64	0
2023-Q1	Increased	2.3M	+28.4%	$109.8M	0.0%	$47.66	38
2022-Q4	New	1.8M	-	$106.3M	0.0%	$60.25	42

PRTA12 quarters

PRTA
12 quarters