Back to Dashboard
PBYI · Healthcare

Puma Biotechnology Inc

USA Healthcare Filing: 2026-03-31
15/100
Smart-money confidence1 of 3 sources positive
Bearish — money moving out

No standout activity across the feeds we track.

Hedge funds
20
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Market cap
$450M
Industry
Biotechnology
Sector
Healthcare
Exchange
NasdaqGS
About PUMA BIOTECHNOLOGY INC

Puma Biotechnology, Inc., a biopharmaceutical company, focuses on the development and commercialization of products to enhance cancer care in the United States and internationally. It offers NERLYNX, an oral version of neratinib that is used to treat adult patients with early stage HER2-overexpressed/amplified breast cancer; and advanced or metastatic HER2-positive breast cancer when combined with capecitabine. The company also develops alisertib, a small molecule inhibitor of aurora kinase A for the treatment of hormone receptor positive breast cancer, triple negative breast cancer, small…

Who's behind the signal
Every informed buyer we can see on PBYI, across all three feeds.
Hedge funds · 4
AQR Capital Management Increased +20%
D.E. Shaw & Co Decreased −7%
Citadel Advisors Decreased −82%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Congressional trades · 2 on record
Disclosures from 2019-01-23 to 2019-05-15
The newest disclosure we hold for this stock is 2019-05-15. That is the end of our data, not necessarily the end of the trading — our bulk STOCK Act archive stops there and newer filings arrive through a separate live feed. Treat the absence of recent rows as “not covered”, not as “no trades”.
Trade date Member Chamber Action Amount
2019-05-15 Donna E. Shalala · D-FL House Sold $1,001 - $15,000
2019-01-23 Donna E. Shalala · D-FL House Bought $1,001 - $15,000
Not a model pick — but on our radar. PUMA BIOTECHNOLOGY INC isn't in the top-10 model right now, but 4 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
4
Investors
0
New positions
2
Increasing
2
Decreasing
0
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.0×
Increased +8793%
% of portfolio
0.0%
Position change
+8793%
0.0% of Millennium Management's portfolio
Trust weight: 1.0×
Increased +20%
% of portfolio
0.0%
Position change
+20%
0.0% of AQR Capital Management's portfolio
Trust weight: 1.0×
Decreased −7%
% of portfolio
0.0%
Position change
−7%
0.0% of D.E. Shaw & Co's portfolio
Trust weight: 1.0×
Decreased −82%
% of portfolio
0.0%
Position change
−82%
0.0% of Citadel Advisors's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to PUMA BIOTECHNOLOGY INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell PUMA BIOTECHNOLOGY INC or any security.

Get the Weekly Update

Every week, we'll send you what Buffett, Dalio, Ackman and 47 other legendary investors are buying — free, straight from their SEC filings.
Free forever · No spam · Unsubscribe anytime