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Janus Henderson Group’s
Puma Biotechnology
PBYI
Stock Holding History
Janus Henderson Group’s Portfolio
PBYI Stock Details
PBYI Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2025
Q3
–
Sell
-745,541
Closed
-$2.56M
–
2450
2025
Q2
$2.56M
Buy
+745,541
New
+$2.38M
﹤0.01%
1172
2019
Q2
–
Sell
-2,170,423
Closed
-$84.2M
–
1399
2019
Q1
$84.2M
Buy
2,170,423
+308,479
+17%
+$9.42M
0.05%
436
2018
Q4
$37.9M
Sell
1,861,944
-284,516
-13%
-$8.54M
0.02%
608
2018
Q3
$98.4M
Sell
2,146,460
-1,155,561
-35%
-$55.7M
0.05%
404
2018
Q2
$195M
Sell
3,302,021
-1,180,285
-26%
-$68.4M
0.11%
232
2018
Q1
$305M
Buy
4,482,306
+126,663
+3%
+$9.48M
0.18%
154
2017
Q4
$431M
Buy
4,355,643
+2,464,742
+130%
+$276M
0.26%
104
2017
Q3
$226M
Buy
1,890,901
+33,270
+2%
+$3.09M
0.15%
195
2017
Q2
$162M
Buy
+1,857,631
New
+$104M
0.11%
242
2015
Q4
–
Sell
-2,379
Closed
-$179K
–
843
2015
Q3
$179K
Hold
2,379
–
–
﹤0.01%
811
2015
Q2
$277K
Buy
+2,379
New
+$431K
﹤0.01%
825
Other funds holding PBYI
ACA
Acorn Capital Advisors
New York
$352M AUM
299.18%
1-Year Est. Return
Vanguard Group
Malvern, Pennsylvania
$6.9T AUM
27.45%
1-Year Est. Return
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
Renaissance Technologies
New York
$63.9B AUM
45.56%
1-Year Est. Return
Acadian Asset Management
Boston, Massachusetts
$70.5B AUM
36%
1-Year Est. Return
American Century Companies
Kansas City, Missouri
$194B AUM
35%
1-Year Est. Return
Dimensional Fund Advisors
Austin, Texas
$481B AUM
30.42%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
Russell Investments Group
London, United Kingdom
$93.1B AUM
28.26%
1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Vancouver, British Columbia, Canada
$43.4B AUM
51.29%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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