AQR CAPITAL MANAGEMENT LLC

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1167557 Greenwich, CT

Position in PRTA

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

Position Value

$2,962,178

+$979,145 QoQ

Shares Held

302,572

+48.3% QoQ

Ownership

0.589%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#30

of 187 holders

Holding Since

Jun 2021

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

AQR CAPITAL MANAGEMENT LLC holds $5,647,082,401 across 216 Biotechnology names. PRTA ranks #103 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	1,126,080	$702,155,918
2	INCY	Incyte Corp	5,320,901	$603,177,333
3	EXEL	Exelixis, Inc.	11,023,943	$599,812,735
4	JAZZ	Jazz Pharmaceuticals plc	1,522,568	$366,893,205
5	BMRN	Biomarin Pharmaceutical Inc	5,699,541	$326,127,732
6	VRTX	Vertex Pharmaceuticals Inc / Ma	616,170	$306,070,117
7	RVMD	Revolution Medicines, Inc.	1,295,450	$242,611,869
8	RPRX	Royalty Pharma plc	4,305,412	$241,404,446

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,962,178	302,572	+48.3%	Shares	Other	2026-08-14
2026-03-31	$1,983,033	204,016	+9.2%	Shares	Other	2026-05-15
2025-12-31	$1,783,795	186,785	-12.9%	Shares	Defined	2026-02-17
2025-09-30	$2,093,928	214,542	+1456.8%	Shares	Other	2025-11-14
2023-12-31	$500,801	13,781	-25.5%	Shares	Defined	2024-02-14
2023-09-30	$893,059	18,509	-4.0%	Shares	Defined	2023-11-14
2023-06-30	$1,316,848	19,286	+164.5%	Shares	Defined	2023-08-14
2023-03-31	$353,394	7,291	-12.8%	Shares	Defined	2023-05-15
2022-03-31	$305,834	8,363	-15.7%	Shares	Defined	2022-05-16
2021-12-31	$489,899	9,917	-25.7%	Shares	Defined	2022-02-14
2021-09-30	$950,635	13,346	+171.4%	Shares	Defined	2021-11-15
2021-06-30	$252,782	4,917	—	Shares	Defined	2021-08-16
No filing history on record for this holder in this stock.