ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in PBYI — Puma Biotechnology, Inc.

CIK 1164508 BOSTON, MA

Position in PBYI

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$4,318,169

+$879,359 QoQ

Shares Held

532,450

-1.1% QoQ

Ownership

1.03%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#22

of 160 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $2,515,799,583 across 71 Biotechnology names. PBYI ranks #44 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	738,378	$366,774,503
2	INCY	Incyte Corp	2,744,958	$311,168,438
3	REGN	Regeneron Pharmaceuticals, Inc.	393,685	$245,478,344
4	EXEL	Exelixis, Inc.	4,365,926	$237,550,033
5	GMAB	Genmab A/S	4,975,324	$136,672,150
6	RPRX	Royalty Pharma plc	2,435,341	$136,549,569
7	HALO	Halozyme Therapeutics, Inc.	1,704,623	$133,420,842
8	ONC	BeOne Medicines Ltd.	249,758	$71,173,537

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,318,169	532,450	-1.1%	Shares	Defined	2026-08-13
2026-03-31	$3,438,810	538,155	-1.8%	Shares	Defined	2026-05-14
2025-12-31	$3,259,725	547,853	+17.9%	Shares	Defined	2026-02-13
2025-09-30	$2,467,737	464,734	+2.9%	Shares	Defined	2025-11-13
2025-06-30	$1,549,101	451,633	+25.9%	Shares	Defined	2025-08-13
2025-03-31	$1,061,518	358,621	+289.1%	Shares	Defined	2025-05-14
2024-06-30	$300,487	92,174	-60.0%	Shares	Defined	2024-08-14
2024-03-31	$1,221,252	230,425	+185.1%	Shares	Defined	2024-05-15
2020-12-31	$829,243	80,823	-25.5%	Shares	Defined	2021-02-12
2020-09-30	$1,094,391	108,463	-78.5%	Shares	Defined	2020-11-12
2020-06-30	$5,258,461	504,167	+763.3%	Shares	Defined	2020-08-12
2020-03-31	$492,896	58,400	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.