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Puma Biotechnology Inc
PBYIAdd to Watchlist
8.260USD
+0.270+3.38%
Close 07/02, 13:00（ET）Quotes delayed by 15 min
409.82MMarket Cap
16.92P/E TTM
Shareholding Stats
Updated: Wed, May 13
Updated: Wed, May 13
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Auerbach (Alan H)
13.84%
Acorn Capital Advisors, LLC
8.12%
BlackRock Institutional Trust Company, N.A.
5.88%
Renaissance Technologies LLC
4.17%
Acadian Asset Management LLC
4.01%
Other
63.98%
Shareholders
Shareholders
Proportion
Auerbach (Alan H)
13.84%
Acorn Capital Advisors, LLC
8.12%
BlackRock Institutional Trust Company, N.A.
5.88%
Renaissance Technologies LLC
4.17%
Acadian Asset Management LLC
4.01%
Other
63.98%
Shareholder Types
Shareholders
Proportion
Investment Advisor
42.43%
Investment Advisor/Hedge Fund
23.41%
Individual Investor
15.38%
Hedge Fund
6.05%
Pension Fund
1.16%
Research Firm
0.97%
Bank and Trust
0.13%
Family Office
0.12%
Insurance Company
0.01%
Other
10.34%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
301
41.51M
81.56%
-3.92M
2025Q4
275
35.86M
71.16%
-8.32M
2025Q3
253
35.42M
70.29%
-7.56M
2025Q2
253
40.80M
82.17%
-7.54M
2025Q1
256
39.74M
80.10%
-6.90M
2024Q4
254
38.30M
77.36%
-8.34M
2024Q3
246
40.62M
82.78%
-5.24M
2024Q2
238
41.70M
86.51%
-237.42K
2024Q1
243
40.11M
83.30%
-422.18K
2023Q4
241
36.65M
77.08%
-4.19M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Auerbach (Alan H)
7.02M
13.81%
+159.78K
+2.33%
Feb 18, 2026
Acorn Capital Advisors, LLC
4.13M
8.12%
--
--
Dec 31, 2025
BlackRock Institutional Trust Company, N.A.
2.99M
5.88%
+66.20K
+2.26%
Dec 31, 2025
Renaissance Technologies LLC
2.12M
4.17%
-27.40K
-1.27%
Dec 31, 2025
Acadian Asset Management LLC
2.02M
3.98%
-28.48K
-1.39%
Dec 31, 2025
American Century Investment Management, Inc.
1.65M
3.24%
+166.95K
+11.26%
Dec 31, 2025
Dimensional Fund Advisors, L.P.
1.34M
2.63%
+67.72K
+5.32%
Dec 31, 2025
Athyrium Capital Management, LP
1.26M
2.47%
--
--
Sep 30, 2024
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Royce Quant Small-Cap Quality Value ETF
0.32%
First Trust Dow Jones Select MicroCap Index Fund
0.3%
Lattice Hartford Multifactor Small Cap ETF
0.24%
WisdomTree US SmallCap Fund
0.06%
Avantis US Small Cap Value ETF
0.04%
iShares Micro-Cap ETF
0.04%
Fidelity Enhanced Small Cap ETF
0.03%
Avantis US Small Cap Equity ETF
0.03%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
0.03%
Franklin US Small Cap Multifactor Index ETF
0.03%
View more
Royce Quant Small-Cap Quality Value ETF
Proportion0.32%
First Trust Dow Jones Select MicroCap Index Fund
Proportion0.3%
Lattice Hartford Multifactor Small Cap ETF
Proportion0.24%
WisdomTree US SmallCap Fund
Proportion0.06%
Avantis US Small Cap Value ETF
Proportion0.04%
iShares Micro-Cap ETF
Proportion0.04%
Fidelity Enhanced Small Cap ETF
Proportion0.03%
Avantis US Small Cap Equity ETF
Proportion0.03%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
Proportion0.03%
Franklin US Small Cap Multifactor Index ETF
Proportion0.03%