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 2017?

135 institutional investors reported PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock for Q1 2017. Use the holders table for investor-level position and value details.

PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI)

CUSIP: 74587V107

Q1 2017 13F Holders as of 31 Mar 2017

Type / Class: Equity / Common Stock
Shares outstanding: 49,633,071
Total 13F shares: 37,964,211
Share change: +5,032,647
Total reported value: $1,412,435,790
Put/Call ratio: 81%
Price per share: $37.20
Number of holders: 135
Value change: +$191,118,200
Number of buys: 78
Number of sells: 49

Quarterly Holders Quick Answers

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

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Newer quarter: Q2 2017
Previous quarter: Q4 2016

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
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	11%	5,686,668	$174,581,000	—	31 Dec 2016	13F
FMR LLC	13F	Company	7%	3,459,319	$106,201,000	—	31 Dec 2016	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	4.8%	2,368,538	$72,714,000	—	31 Dec 2016	13F
VANGUARD GROUP INC	13F	Company	4.7%	2,327,187	$71,445,000	—	31 Dec 2016	13F
ORBIMED ADVISORS LLC	13F	Company	4.6%	2,275,825	$69,868,000	—	31 Dec 2016	13F
JANUS HENDERSON INVESTORS US LLC	13F	Company	4.5%	2,212,313	$67,922,000	—	31 Dec 2016	13F
STATE STREET CORP	13F	Company	3.9%	1,946,098	$59,746,000	—	31 Dec 2016	13F
Redmile Group, LLC	13F	Company	2.6%	1,290,140	$39,607,000	—	31 Dec 2016	13F
PFM Health Sciences, LP	13F	Company	2.3%	1,143,688	$35,111,000	—	31 Dec 2016	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.9%	950,419	$29,178,000	—	31 Dec 2016	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.8%	875,718	$26,885,000	—	31 Dec 2016	13F
BlackRock Fund Advisors	13F	Company	1.7%	842,478	$25,864,000	—	31 Dec 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.6%	776,456	$23,837,000	—	31 Dec 2016	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.4%	678,435	$20,828,000	—	31 Dec 2016	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	1.3%	654,721	$20,100,000	—	31 Dec 2016	13F
MORGAN STANLEY	13F	Company	1.1%	522,096	$16,029,000	—	31 Dec 2016	13F
CITADEL ADVISORS LLC	13F	Company	0.94%	467,945	$14,366,000	—	31 Dec 2016	13F
Tourbillon Capital Partners, L.P.	13F	Company	0.9%	448,471	$13,768,000	—	31 Dec 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.78%	389,183	$11,948,000	—	31 Dec 2016	13F
NORTHERN TRUST CORP	13F	Company	0.66%	329,526	$10,117,000	—	31 Dec 2016	13F
DEUTSCHE BANK AG\	13F	Company	0.6%	296,971	$9,115,000	—	31 Dec 2016	13F
Tekla Capital Management LLC	13F	Company	0.52%	260,200	$7,988,000	—	31 Dec 2016	13F
WEATHERBIE CAPITAL, LLC	13F	Company	0.51%	253,802	$7,792,000	—	31 Dec 2016	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.51%	250,670	$7,696,000	—	31 Dec 2016	13F
NORGES BANK	13F	Company	0.5%	250,598	$7,693,000	—	31 Dec 2016	13F
BB BIOTECH AG	13F	Company	0.49%	241,991	$7,429,000	—	31 Dec 2016	13F
CITIGROUP INC	13F	Company	0.42%	206,874	$6,351,000	—	31 Dec 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.4%	198,181	$6,084,000	—	31 Dec 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.35%	175,267	$5,380,000	—	31 Dec 2016	13F
UBS Group AG	13F	Company	0.34%	167,317	$5,137,000	—	31 Dec 2016	13F
Bank of New York Mellon Corp	13F	Company	0.32%	157,785	$4,844,000	—	31 Dec 2016	13F
JANA PARTNERS LLC	13F	Company	0.29%	142,727	$4,382,000	—	31 Dec 2016	13F
TEACHERS ADVISORS, LLC	13F	Company	0.29%	142,373	$4,371,000	—	31 Dec 2016	13F
Spark Investment Management LLC	13F	Company	0.24%	118,700	$3,644,000	—	31 Dec 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.23%	113,174	$3,475,000	—	31 Dec 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.22%	109,997	$3,377,000	—	31 Dec 2016	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.22%	109,500	$3,362,000	—	31 Dec 2016	13F
S.c.a. Candriam	13F	Individual	0.22%	109,500	$3,361,000	—	31 Dec 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.21%	103,996	$3,193,000	—	31 Dec 2016	13F
SABBY MANAGEMENT, LLC	13F	Company	0.21%	103,243	$3,170,000	—	31 Dec 2016	13F
Rock Springs Capital Management LP	13F	Company	0.19%	94,500	$2,901,000	—	31 Dec 2016	13F
JPMORGAN CHASE & CO	13F	Company	0.18%	89,569	$2,750,000	—	31 Dec 2016	13F
HBK INVESTMENTS L P	13F	Company	0.15%	76,400	$2,345,000	—	31 Dec 2016	13F
HIGHBRIDGE CAPITAL MANAGEMENT LLC	13F	Company	0.15%	73,864	$2,267,000	—	31 Dec 2016	13F
BLACKROCK ADVISORS LLC	13F	Company	0.14%	67,799	$2,081,000	—	31 Dec 2016	13F
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	13F	Company	0.12%	61,874	$1,900,000	—	31 Dec 2016	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.12%	57,731	$1,772,000	—	31 Dec 2016	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.12%	57,675	$1,771,000	—	31 Dec 2016	13F
Swiss National Bank	13F	Company	0.11%	53,630	$1,646,000	—	31 Dec 2016	13F
Invesco Ltd.	13F	Company	0.1%	51,803	$1,590,000	—	31 Dec 2016	13F

Institutional Holders of PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI) as of Q1 2017

As of 31 Mar 2017, PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI) was held by 135 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 37,964,211 shares. The largest 10 holders included ADAGE CAPITAL PARTNERS GP, L.L.C., FMR LLC, WELLINGTON MANAGEMENT GROUP LLP, VANGUARD GROUP INC, ORBIMED ADVISORS LLC, JANUS CAPITAL MANAGEMENT LLC, BlackRock Inc., Redmile Group, LLC, STATE STREET CORP, and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 135 institutional shareholders reporting positions in this security for the Q1 2017 filing period.

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

Compare Q1 2017 vs Q4 2016 Across Filers

Q4 2016 holders

128

Q1 2017 holders

135

Holder diff

Investor	Q4 2016 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q4 2016 Value $	Q1 2017 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.