PUMA BIOTECHNOLOGY, INC. - Common Stock (PBYI)

CUSIP: 74587V107

Q3 2025 13F Holders as of 30 Sep 2025

Security identity
Security type / class
Equity / Common Stock
Shares outstanding
49,633,071
Holder snapshot
Total 13F shares
34,380,273
Share change
+1,553,196
Total reported value
$182,532,985
Reported price per share
$5.31
Number of holders
131
Value change
+$11,531,913
Number of buys
64
Number of sells
49

Security key

74587V107

Report period

Q3 2025

Institutions

131

Top holders

10

PBYI full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 Previous quarter: Q2 2025 PUMA BIOTECHNOLOGY, INC. SEC filings PUMA BIOTECHNOLOGY, INC. company facts

Broader feeds

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

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.

Lead holder
ACORN BIOVENTURES, L.P.
13D/G signal
ACORN BIOVENTURES, L.P.
Evidence rows
15
Latest as of
18 Jul 2025
13D/G 13F 3/4/5 Lead comparable stake: 8% 13D/G row: ACORN BIOVENTURES, L.P. Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
ACORN BIOVENTURES, L.P.
13D/G
Anders Hove
13D/G
8%
$11,859,557
3,940,052 shares
 +$1,988,442 31 Dec 2024
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
5.6%
from 13D/G
$13,156,502
3,835,715 shares
 — 30 Jun 2025
MILLENNIUM MANAGEMENT LLC
13D/G 13F
Company
13D/G 13F
3.9%
$5,701,319
1,894,126 shares
 $0 31 Dec 2024
Brian M. Stuglik
3/4/5
Director
3/4/5
0.19%
$321,907
94,958 shares
 -$27,459 13 Jun 2025
Allison Dorval
3/4/5
Director
3/4/5
0.15%
$256,326
75,390 shares
 -$39,474 13 Jun 2025
Jay M. Moyes
3/4/5
Director
3/4/5
0.11%
$181,294
53,322 shares
 -$74,800 13 Jun 2025
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 Q3 2025

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

Institutions
131
Shares
34,380,273
Rows available
131
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* 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 failed the local validity check.

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
121
Q3 2025 holders
131
Holder diff
10
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 value Q3 2025 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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