O'SHAUGHNESSY ASSET MANAGEMENT, LLC

Position in PBYI — Puma Biotechnology, Inc.

CIK 1423442 Stamford, CT

Position in PBYI

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

Position Value

$9,113,880

+$1,840,981 QoQ

Shares Held

1,123,783

-1.3% QoQ

Ownership

2.18%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#11

of 160 holders

Holding Since

Jun 2021

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $102,774,741 across 45 Biotechnology names. PBYI ranks #3 (8.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	42,063	$20,893,953
2	AUPH	Aurinia Pharmaceuticals Inc.	567,492	$9,630,339
3	PBYI	Puma Biotechnology, Inc. This page	1,123,783	$9,113,880
4	EXEL	Exelixis, Inc.	124,709	$6,785,416
5	JAZZ	Jazz Pharmaceuticals plc	25,864	$6,232,448
6	ARGX	Argenx SE	6,450	$5,984,116
7	REGN	Regeneron Pharmaceuticals, Inc.	9,404	$5,863,770
8	RIGL	Rigel Pharmaceuticals Inc	131,177	$5,131,644

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$9,113,880	1,123,783	-1.3%	Shares	Sole	2026-08-13
2026-03-31	$7,272,899	1,138,169	+1.6%	Shares	Sole	2026-05-13
2025-12-31	$6,665,957	1,120,329	+35.3%	Shares	Sole	2026-02-11
2025-09-30	$4,397,853	828,221	+89.2%	Shares	Sole	2025-11-13
2025-06-30	$1,501,173	437,660	+305.4%	Shares	Sole	2025-08-12
2025-03-31	$319,517	107,945	-4.1%	Shares	Sole	2025-05-13
2024-12-31	$343,341	112,571	+99.7%	Shares	Sole	2025-02-12
2024-09-30	$143,740	56,369	-33.1%	Shares	Sole	2024-11-12
2024-06-30	$274,527	84,211	+9.3%	Shares	Sole	2024-08-14
2024-03-31	$408,529	77,081	+127.7%	Shares	Sole	2024-05-13
2023-12-31	$146,579	33,852	+2070.0%	Shares	Sole	2024-02-09
2021-09-30	$10,935	1,560	-69.2%	Shares	Sole	2021-11-10
2021-06-30	$46,450	5,060	—	Shares	Sole	2021-08-09
No filing history on record for this holder in this stock.