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Puma Biotechnology Inc (PBYI)

CUSIP: 74587V107 | NYSE | Healthcare · Biotechnology | Small Cap | 765 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13D/AAlan H. Auerbach8,648,95816.0%New 5%+ stakeOct 4, 2026No 13F filer matched
13D/AAlan H. Auerbach8,648,958
16.0% of class · Oct 4, 2026New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP1,555,733
0.0% of portfolio›$15.4M
Ritholtz Wealth Management740,236
0.1% of portfolio›$7.4M
Bank of New York Mellon Corp325,313
0.0% of portfolio›$3.2M
Haven Private, LLC146,700
0.6% of portfolio›$1.5M
Prospera Financial Services Inc134,350
0.0% of portfolio›$1.4M
OpenArc Corporate Advisory, LLC119,624
0.0% of portfolio›$1.2M
SummerHaven Investment Management, LLC114,315
0.6% of portfolio›$1.1M
Strs Ohio101,400
0.0% of portfolio›$1.0M
Creative Planning75,931
0.0% of portfolio›$754.0K
Evergreen Capital Management LLC73,672
0.0% of portfolio›$731.6K
Vise Technologies, Inc.66,798
0.0% of portfolio›$663.3K
D'Orazio & Associates, Inc.48,345
0.1% of portfolio›$480.1K
Kathmere Capital Management, LLC39,933
0.0% of portfolio›$396.5K
Baron Wealth Management LLC35,715
0.1% of portfolio›$354.7K
C2c Wealth Management, LLC23,620
0.2% of portfolio›$234.5K
Bailard, Inc.18,100
0.0% of portfolio›$179.7K
Lido Advisors, LLC15,026
0.0% of portfolio›$149.2K
Wealth Enhancement Advisory Services, LLC14,098
0.0% of portfolio›$140.6K
Perkins Capital Management Inc13,400
0.1% of portfolio›$133.1K
Abel Hall, LLC11,520
0.0% of portfolio›$114.4K
State of Alaska, Department of Revenue10,834
0.0% of portfolio›$106
Ethic Inc.10,308
0.0% of portfolio›$102.4K
IFP Advisors, Inc9,470
0.0% of portfolio›$94.0K
China Universal Asset Management Co., Ltd.9,419
0.0% of portfolio›$92.1K
Citigroup Inc3,708
0.0% of portfolio›$36.8K
Mirae Asset Global Investments Co., Ltd.2,638
0.0% of portfolio›$26.2K
Harbor Capital Advisors, Inc.2,154
0.0% of portfolio›$21
Farther Finance Advisors, LLC1,693
0.0% of portfolio›$16.8K
GF Fund Management Co. Ltd.1,175
0.0% of portfolio›$11.7K
GHP Investment Advisors, Inc.1,170
0.0% of portfolio›$11.6K
Signaturefd, LLC1,108
0.0% of portfolio›$11.0K
Gamma Investing LLC1,094
0.0% of portfolio›$10.9K
Sterling Capital Management LLC966
0.0% of portfolio›$9.6K
US Bancorp \de\697
0.0% of portfolio›$6.9K
Fortitude Family Office, LLC514
0.0% of portfolio›$5.1K
Essential Partners LLC443
0.0% of portfolio›$4.4K
SJS Investment Consulting Inc.394
0.0% of portfolio›$3.9K
Nisa Investment Advisors, LLC342
0.0% of portfolio›$3.4K
EverSource Wealth Advisors, LLC305
0.0% of portfolio›$3.0K
Root Financial Partners, LLC304
0.0% of portfolio›$3.0K
Versant Capital Management, Inc186
0.0% of portfolio›$1.8K
Mosley Wealth Management148
0.0% of portfolio›$1.6K
Provenance Wealth Advisors, LLC133
0.0% of portfolio›$1.3K
True Wealth Design, LLC123
0.0% of portfolio›$1.2K
SBI Securities Co., Ltd.56
0.0% of portfolio›$556
Larson Financial Group LLC45
0.0% of portfolio›$447
Fifth Third Bancorp8
0.0% of portfolio›$79
Inspire Investing, LLC5
0.0% of portfolio›$48
Elevation Wealth Partners, LLC3
0.0% of portfolio›$30
TFC Financial Management, Inc.1
0.0% of portfolio›$10
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
1,555,733$15.4M0.0%IndexLowAustin, TX2026-11-04
Ritholtz Wealth Management
740,236$7.4M0.1%IndexLowNew York, NY2026-11-05
Bank of New York Mellon Corp
325,313$3.2M0.0%CoreLowNew York, NY2026-11-05
Haven Private, LLC
146,700$1.5M0.6%ETFMediumOrlando, FL2026-10-27
Prospera Financial Services Inc
134,350$1.4M0.0%CoreMediumDallas, TX2026-11-04
OpenArc Corporate Advisory, LLC
119,624$1.2M0.0%GrowthLowAtlanta, GA2026-10-21
SummerHaven Investment Management, LLC
114,315$1.1M0.6%Deep ValueHighStamford, CT2026-10-19
Strs Ohio
101,400$1.0M0.0%CoreMediumColumbus, OH2026-10-30
Creative Planning
75,931$754.0K0.0%IndexVery LowOverland Park, KS2026-11-02
Evergreen Capital Management LLC
73,672$731.6K0.0%GARPMediumBellevue, WA2026-10-23
Vise Technologies, Inc.
66,798$663.3K0.0%IndexLowNew York, NY2026-10-29
D'Orazio & Associates, Inc.
48,345$480.1K0.1%ETFLowVienna, VA2026-11-04
Kathmere Capital Management, LLC
39,933$396.5K0.0%ETFLowWayne, PA2026-10-20
Baron Wealth Management LLC
35,715$354.7K0.1%CoreLowTroy, MI2026-10-27
C2c Wealth Management, LLC
23,620$234.5K0.2%CoreLowScottsdale, AZ2026-10-20
Bailard, Inc.
18,100$179.7K0.0%GrowthMediumFoster City, CA2026-10-13
Lido Advisors, LLC
15,026$149.2K0.0%GrowthLowLos Angeles, CA2026-11-04
Wealth Enhancement Advisory Services, LLC
14,098$140.6K0.0%CoreLowPlymouth, MN2026-10-13
Perkins Capital Management Inc
13,400$133.1K0.1%GrowthLowWayzata, MN2026-11-02
Abel Hall, LLC
11,520$114.4K0.0%CoreMediumBaton Rouge, LA2026-10-19
State of Alaska, Department of Revenue
10,834$1060.0%CoreVery LowJuneau, AK2026-10-15
Ethic Inc.
10,308$102.4K0.0%CoreLowNew York, NY2026-11-03
IFP Advisors, Inc
9,470$94.0K0.0%GrowthLowTampa, FL2026-10-16
China Universal Asset Management Co., Ltd.
9,419$92.1K0.0%GrowthMediumShanghai, France2026-10-28
Citigroup Inc
3,708$36.8K0.0%CoreMediumNew York, NY2026-11-04
Mirae Asset Global Investments Co., Ltd.
2,638$26.2K0.0%GrowthLowSeoul, Malaysia2026-11-03
Harbor Capital Advisors, Inc.
2,154$210.0%ValueHighChicago, IL2026-10-22
Farther Finance Advisors, LLC
1,693$16.8K0.0%IndexLowSan Francisco, CA2026-10-08
GF Fund Management Co. Ltd.
1,175$11.7K0.0%Agg GrowthMediumGuangzhou, France2026-10-26
GHP Investment Advisors, Inc.
1,170$11.6K0.0%CoreVery LowDenver, CO2026-10-15
Signaturefd, LLC
1,108$11.0K0.0%IndexLowAtlanta, GA2026-10-23
Gamma Investing LLC
1,094$10.9K0.0%IndexVery LowFoster City, CA2026-10-08
Sterling Capital Management LLC
966$9.6K0.0%GARPMediumCharlotte, NC2026-10-22
US Bancorp \de\
697$6.9K0.0%IndexLowMinneapolis, MN2026-11-05
Fortitude Family Office, LLC
514$5.1K0.0%ETFMediumScottsdale, AZ2026-10-14
Essential Partners LLC
443$4.4K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
SJS Investment Consulting Inc.
394$3.9K0.0%ETFVery LowSylvania, OH2026-10-26
Nisa Investment Advisors, LLC
342$3.4K0.0%IndexVery LowSt. Louis, MO2026-10-20
EverSource Wealth Advisors, LLC
305$3.0K0.0%CoreMediumBirmingham, AL2026-11-04
Root Financial Partners, LLC
304$3.0K0.0%ETFMediumEncinitas, CA2026-10-21
Versant Capital Management, Inc
186$1.8K0.0%GARPLowPhoenix, AZ2026-10-02
Mosley Wealth Management
148$1.6K0.0%ETFHighAnaheim, CA2026-10-16
Provenance Wealth Advisors, LLC
133$1.3K0.0%ETFLowFort Lauderdale, FL2026-10-30
True Wealth Design, LLC
123$1.2K0.0%ETFMediumAkron, OH2026-10-13
SBI Securities Co., Ltd.
56$5560.0%Agg GrowthLowTokyo, Mexico2026-10-22
Larson Financial Group LLC
45$4470.0%GrowthLowSt Louis, MO2026-11-05
Fifth Third Bancorp
8$790.0%IndexVery LowCincinnati, OH2026-11-05
Inspire Investing, LLC
5$480.0%GARPHighMeridian, ID2026-10-22
Elevation Wealth Partners, LLC
3$300.0%ETFLowWalnut Creek, CA2026-10-07
TFC Financial Management, Inc.
1$100.0%ETFVery LowBoston, MA2026-10-26