What does CUSIP 74587V107 represent in this 13F holders report?

CUSIP 74587V107 is the security identifier for PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock in Q1 2021?

117 institutional investors reported PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI)

CUSIP: 74587V107

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 49,633,071
Total 13F shares: 36,622,682
Share change: +1,453,256
Total reported value: $355,897,814
Put/Call ratio: 76%
Price per share: $9.72
Number of holders: 117
Value change: +$13,747,740
Number of buys: 55
Number of sells: 54

Quarterly Holders Quick Answers

What is CUSIP 74587V107?
CUSIP 74587V107 identifies PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock in SEC institutional holdings data.

Need full ownership history?
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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 74587V107:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	8%	3,959,741	$40,627,000	—	31 Dec 2020	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	6.9%	3,416,003	$35,048,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	6.8%	3,396,689	$34,851,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	6%	2,996,015	$30,738,000	—	31 Dec 2020	13F
Camber Capital Management LP	13F	Company	5.1%	2,555,000	$26,214,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	4.5%	2,242,037	$23,003,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.3%	1,661,435	$17,046,000	—	31 Dec 2020	13F
Palo Alto Investors LP	13F	Company	2.8%	1,373,897	$14,096,000	—	31 Dec 2020	13F
GREAT POINT PARTNERS LLC	13F	Company	2.6%	1,300,000	$13,338,000	—	31 Dec 2020	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	2.3%	1,123,532	$11,527,000	—	31 Dec 2020	13F
JUPITER ASSET MANAGEMENT LTD	13F	Company	1.5%	728,440	$7,474,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.4%	697,933	$7,161,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.4%	688,700	$7,066,000	—	31 Dec 2020	13F
Sofinnova Investments, Inc.	13F	Company	1.3%	629,650	$6,460,000	—	31 Dec 2020	13F
RICE HALL JAMES & ASSOCIATES, LLC	13F	Company	1.2%	604,937	$6,207,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	526,339	$5,400,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1%	518,306	$5,318,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	1%	499,112	$5,121,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.74%	366,541	$3,761,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.66%	327,976	$3,366,000	—	31 Dec 2020	13F
FEDERATED HERMES, INC.	13F	Company	0.61%	304,343	$3,122,000	—	31 Dec 2020	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.57%	284,121	$2,915,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.51%	255,309	$2,619,000	—	31 Dec 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.5%	247,675	$2,542,000	—	31 Dec 2020	13F
J. Goldman & Co LP	13F	Company	0.48%	238,617	$2,448,000	—	31 Dec 2020	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.45%	221,243	$2,270,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.44%	218,664	$2,244,000	—	31 Dec 2020	13F
BANK OF MONTREAL /CAN/	13F	Company	0.39%	192,581	$2,217,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.41%	202,129	$2,074,000	—	31 Dec 2020	13F
AXA S.A.	13F	Company	0.36%	180,700	$1,854,000	—	31 Dec 2020	13F
SEI INVESTMENTS CO	13F	Company	0.31%	152,858	$1,568,000	—	31 Dec 2020	13F
Russell Investments Group, Ltd.	13F	Company	0.29%	145,908	$1,506,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.28%	141,450	$1,452,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.28%	140,734	$1,444,000	—	31 Dec 2020	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0.26%	130,850	$1,342,521	—	31 Dec 2020	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.21%	106,548	$1,093,000	—	31 Dec 2020	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.21%	103,528	$1,062,000	—	31 Dec 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.17%	82,888	$850,000	—	31 Dec 2020	13F
PDT Partners, LLC	13F	Company	0.17%	81,960	$841,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.16%	81,140	$833,000	—	31 Dec 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.16%	80,823	$829,000	—	31 Dec 2020	13F
CREDIT SUISSE AG/	13F	Company	0.16%	80,303	$824,000	—	31 Dec 2020	13F
BARCLAYS PLC	13F	Company	0.16%	78,932	$810,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.15%	75,830	$778,000	—	31 Dec 2020	13F
ALPS ADVISORS INC	13F	Company	0.14%	71,715	$736,000	—	31 Dec 2020	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.14%	69,500	$713,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.14%	67,686	$694,000	—	31 Dec 2020	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.13%	65,000	$667,000	—	31 Dec 2020	13F
STRS OHIO	13F	Company	0.13%	63,100	$647,000	—	31 Dec 2020	13F
MACQUARIE GROUP LTD	13F	Company	0.13%	62,197	$638,000	—	31 Dec 2020	13F

Institutional Holders of PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI) as of Q1 2021

As of 31 Mar 2021, PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI) was held by 117 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 36,622,682 shares. The largest 10 holders included DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), FRED ALGER MANAGEMENT, LLC, VANGUARD GROUP INC, BlackRock Inc., Camber Capital Management LP, STATE STREET CORP, RENAISSANCE TECHNOLOGIES LLC, Palo Alto Investors LP, GREAT POINT PARTNERS LLC, and ACADIAN ASSET MANAGEMENT LLC. This page lists 117 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

120

Q1 2021 holders

117

Holder diff

-3

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.