PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI)

CUSIP: 74587V107

Q1 2018 13F Holders as of 31 Mar 2018

Holder snapshot 7 signals
Share change
-545,175
Put/Call ratio
180%
SEC-reported price per share
$68.05
Number of holders
168
Value change
-$81,238,705
Number of buys
104
Open additional details 1 more signal available
Number of sells
94
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
49,633,071

Security key

74587V107

Report period

Q1 2018

Institutions

168

Top holders

10

Ownership snapshot

Top reported holders of PBYI - PUMA BIOTECHNOLOGY, INC. - Common Stock (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
Janus Henderson Group Ltd.
Disclosed value leader
Janus Henderson Group Ltd.
Comparable rows
15/15
Latest evidence
31 Dec 2017
13F Lead comparable stake: 8.8% Showing 1-6 of 15 holder rows.

Quick read

Janus Henderson Group Ltd. leads the comparable SEC ownership view at 8.8%.

15 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 Janus Henderson Group Ltd.'s linked filing trail.
Comparable ownership Top 5
Janus Henderson Group Ltd. 8.8%
VANGUARD GROUP INC 5.3%
BlackRock Finance, Inc. 4.8%
ADAGE CAPITAL PARTNERS GP, L.L.C. 4.5%
ORBIMED ADVISORS LLC 4.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Janus Henderson Group Ltd.
13F
Company
13F
8.8%
$430,555,000
4,355,643 shares
31 Dec 2017
VANGUARD GROUP INC
13F
Company
13F
5.3%
$258,500,000
2,615,069 shares
31 Dec 2017
BlackRock Finance, Inc.
13F
Company
13F
4.8%
$235,763,000
2,385,036 shares
31 Dec 2017
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F
Company
13F
4.5%
$219,694,000
2,222,500 shares
31 Dec 2017
ORBIMED ADVISORS LLC
13F
Company
13F
4.4%
$215,941,000
2,184,535 shares
31 Dec 2017
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
13F
4%
$195,379,000
1,976,517 shares
31 Dec 2017
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 Q1 2018

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

Institutions
168
Shares
35,574,353
Rows available
168
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 Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders
194
Q1 2018 holders
168
Holder diff
-26
Investor Q4 2017 Shares Q1 2018 Shares Share Diff Share Chg % Q4 2017 value Q1 2018 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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