PUMA BIOTECHNOLOGY, INC. - Common Stock, par value $0.0001 per share (PBYI)

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

CUSIP 74587V107 is the security identifier for PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock, par value $0.0001 per share in Q2 2022?

77 institutional investors reported PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock, par value $0.0001 per share for Q2 2022. Use the holders table for investor-level position and value details.

CUSIP: 74587V107

Q2 2022 13F Holders as of 30 Jun 2022

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 27,896,143
Total 13F value: $79,494,556
Share change: -1,460,025
Put/Call ratio: 118%
SEC-reported price per share: $2.85
Number of holders: 77
Value change: -$4,139,901
Number of buys: 33
Number of sells: 60
Shares outstanding: 54,055,988

Security key

74587V107

Report period

Q2 2022

Institutions

Top holders

PBYI full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 PUMA BIOTECHNOLOGY, INC. SEC filings PUMA BIOTECHNOLOGY, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 74587V107

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Camber Capital Management LP

Disclosed value leader

Camber Capital Management LP

Comparable rows

0/15

Latest evidence

31 Mar 2022

13F Highest disclosed value: $11,520,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Camber Capital Management LP has the largest disclosed position value at $11.52M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Camber Capital Management LP's linked filing trail.

Disclosed position value Top 5

Camber Capital Management LP $11.52M

VANGUARD GROUP INC $9.98M

BlackRock Finance, Inc. $9.73M

MILLENNIUM MANAGEMENT LLC $5.51M

Athyrium Capital Management, LP $5.16M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Camber Capital Management LP	13F Company 13F	— denominator unverified	$11,520,000 4,000,000 shares	—	31 Mar 2022
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$9,985,000 3,466,840 shares	—	31 Mar 2022
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$9,733,000 3,379,684 shares	—	31 Mar 2022
MILLENNIUM MANAGEMENT LLC	13F Company 13F	— denominator unverified	$5,506,000 1,911,675 shares	—	31 Mar 2022
Athyrium Capital Management, LP	13F Company 13F	— denominator unverified	$5,161,000 1,792,114 shares	—	31 Mar 2022
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	— denominator unverified	$5,101,000 1,771,235 shares	—	31 Mar 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2022

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

27,896,143

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2022 vs Q1 2022 Across Filers

Q1 2022 holders

Q2 2022 holders

Holder diff

-18

Investor	Q1 2022 Shares	Q2 2022 Shares	Share Diff	Share Chg %	Q1 2022 value	Q2 2022 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend