Engineers Gate Manager LP

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1620220 NEW YORK, NY

Position in PRTA

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$404,033

-$143,307 QoQ

Shares Held

41,270

-26.4% QoQ

Ownership

0.080%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#73

of 187 holders

Holding Since

Jun 2021

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Engineers Gate Manager LP holds $195,993,154 across 162 Biotechnology names. PRTA ranks #101 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	INSM	INSMED Inc	126,044	$13,438,811
2	BMRN	Biomarin Pharmaceutical Inc	181,647	$10,393,841
3	ALNY	Alnylam Pharmaceuticals, Inc.	33,469	$10,075,173
4	REGN	Regeneron Pharmaceuticals, Inc.	15,918	$9,925,509
5	RPRX	Royalty Pharma plc	137,994	$7,737,323
6	EXEL	Exelixis, Inc.	110,353	$6,004,306
7	ONC	BeOne Medicines Ltd.	16,302	$4,645,580
8	VERA	Vera Therapeutics, Inc.	108,139	$4,640,244

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$404,033	41,270	-26.4%	Shares	Sole	2026-08-14
2025-09-30	$547,340	56,080	+36.9%	Shares	Sole	2025-11-14
2025-06-30	$248,669	40,967	+12.2%	Shares	Sole	2025-08-14
2023-12-31	$1,327,245	36,523	+220.8%	Shares	Sole	2024-02-14
2023-09-30	$549,278	11,384	+207.6%	Shares	Sole	2023-11-14
2023-06-30	$252,704	3,701	-74.3%	Shares	Sole	2023-08-14
2023-03-31	$698,985	14,421	+248.8%	Shares	Sole	2023-05-15
2022-12-31	$249,133	4,135	-81.2%	Shares	Sole	2023-02-14
2022-03-31	$804,247	21,992	+110.1%	Shares	Sole	2022-05-16
2021-09-30	$745,706	10,469	-3.2%	Shares	Sole	2021-11-15
2021-06-30	$555,742	10,810	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.