O'SHAUGHNESSY ASSET MANAGEMENT, LLC

Position in PBYI — Puma Biotechnology, Inc.

CIK 1423442 Stamford, CT

Position in PBYI

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$7,272,899

+$606,942 QoQ

Shares Held

1,138,169

+1.6% QoQ

Ownership

2.24%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $95,217,469 across 37 Biotechnology names. PBYI ranks #3 (7.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	61,867	$27,626,090
2	REGN	Regeneron Pharmaceuticals, Inc.	13,256	$10,242,115
3	PBYI	Puma Biotechnology, Inc. This page	1,138,169	$7,272,899
4	JAZZ	Jazz Pharmaceuticals plc	34,435	$6,509,936
5	AUPH	Aurinia Pharmaceuticals Inc.	414,019	$6,135,761
6	EXEL	Exelixis, Inc.	129,866	$5,569,952
7	ARGX	Argenx SE	5,055	$3,691,413
8	RIGL	Rigel Pharmaceuticals Inc	125,662	$3,397,900

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.