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Puma Biotechnology (PBYI) Institutional Ownership

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$8.83 +0.12 (+1.38%)
Closing price 04:00 PM Eastern
Extended Trading
$8.83 0.00 (0.00%)
As of 04:34 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Puma Biotechnology (NASDAQ:PBYI)

Current
Institutional Ownership
Percentage
61.29%
Number of
Institutional Buyers
(last 12 months)
79
Total
Institutional Inflows
(last 12 months)
$80.49M
Number of
Institutional Sellers
(last 12 months)
31
Total
Institutional Outflows
(last 12 months)
$14.37M
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PBYI Institutional Buying and Selling by Quarter

Puma Biotechnology Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2026Legal & General Group Plc4,317$35K0.0%N/A0.008%
8/14/2026The Manufacturers Life Insurance Company 12,056$98K0.0%N/A0.023%
8/13/2026Connor Clark & Lunn Investment Management Ltd.642,946$5.21M0.0%N/A1.246%
8/13/2026 Globeflex Capital L P382,807$3.11M0.4%N/A0.742%
8/12/2026 Ieq Capital LLC10,671$87K0.0%N/A0.021%
8/11/2026 Vise Technologies Inc.72,030$584K0.0%N/A0.140%
8/10/2026 Tocqueville Asset Management L.P.13,312$108K0.0%N/A0.026%
8/7/2026 BlackRock Inc.3,804,736$30.86M0.0%N/A7.475%
8/7/2026 Deutsche Bank AG43,192$350K0.0%N/A0.085%
8/6/2026 Bank of New York Mellon Corp360,734$2.93M0.0%N/A0.709%
8/6/2026 State of Wyoming39,833$323K0.0%N/A0.078%
8/6/2026 One Wealth Advisors LLC21,079$171K0.0%N/A0.041%
7/7/2026 Baron Wealth Management LLC36,372$295K0.1%-5.0%0.071%
5/19/2026Bank of America Corp DE40,364$258K0.0%-22.9%0.079%
5/18/2026Royal Bank of Canada4,320$28K0.0%+244.5%0.008%
5/18/2026Empowered Funds LLC204,041$1.30M0.0%+9.6%0.401%
5/16/2026The Manufacturers Life Insurance Company 11,765$75K0.0%-12.4%0.023%
5/16/2026Lazard Asset Management LLC17,970$115K0.0%-69.8%0.035%
5/14/2026Renaissance Technologies LLC1,942,413$12.41M0.0%-8.5%3.816%
5/14/2026Arrowstreet Capital Limited Partnership538,155$3.44M0.0%-1.8%1.057%
5/14/2026Sei Investments Co.508,182$3.25M0.0%+18.2%0.998%
5/14/2026 Globeflex Capital L P349,651$2.23M0.3%-22.7%0.687%
5/14/2026 State of Wyoming75,808$484K0.1%+42.6%0.149%
5/7/2026 Dimensional Fund Advisors LP1,436,106$9.18M0.0%+7.2%2.822%
5/6/2026Allspring Global Investments Holdings LLC17,066$109K0.0%N/A0.034%
5/5/2026 Bank of New York Mellon Corp347,881$2.22M0.0%-1.1%0.684%
4/28/2026 Kathmere Capital Management LLC29,779$190K0.0%+9.8%0.059%
4/28/2026DGS Capital Management LLC10,418$67K0.0%N/A0.020%
4/25/2026 Strs Ohio91,500$585K0.0%-7.9%0.180%
4/20/2026 Ritholtz Wealth Management774,308$4.95M0.1%+11.6%1.522%
4/16/2026 Baron Wealth Management LLC38,278$245K0.1%+8.2%0.075%
2/19/2026Invesco Ltd.108,301$644K0.0%+69.7%0.215%
2/18/2026Mackenzie Financial Corp160,973$966K0.0%-8.1%0.319%
2/18/2026Empowered Funds LLC186,185$1.11M0.0%+55.7%0.369%
2/18/2026 Stokes Family Office LLC28,091$167K0.0%N/A0.056%
2/18/2026Verdad Advisers LP55,542$330K0.1%N/A0.110%
2/18/2026Millennium Management LLC16,614$99K0.0%-84.3%0.033%
2/18/2026Man Group plc47,324$282K0.0%N/A0.094%
2/18/2026Engineers Gate Manager LP18,786$112K0.0%N/A0.037%
2/18/2026Bridgeway Capital Management LLC773,485$4.60M0.1%+78.4%1.535%
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2/17/2026AQR Capital Management LLC666,605$3.97M0.0%+410.1%1.323%
2/17/2026 Abel Hall LLC10,793$64K0.0%N/A0.021%
2/17/2026Lazard Asset Management LLC59,575$354K0.0%-5.7%0.118%
2/17/2026Price T Rowe Associates Inc. MD25,936$155K0.0%+19.9%0.051%
2/17/2026 Russell Investments Group Ltd.251,653$1.50M0.0%-73.9%0.499%
2/17/2026State of Wisconsin Investment Board133,774$796K0.0%+146.3%0.265%
2/16/2026 Panagora Asset Management Inc.194,887$1.16M0.0%+17.5%0.387%
2/16/2026Barclays PLC81,434$485K0.0%+1.9%0.162%
2/13/2026The Manufacturers Life Insurance Company 13,427$80K0.0%-11.4%0.027%
2/13/2026 First Trust Advisors LP122,800$731K0.0%+2.5%0.244%
2/13/2026Headlands Technologies LLC15,976$95K0.0%-45.2%0.032%
2/13/2026 OpenArc Corporate Advisory LLC89,361$532K0.0%N/A0.177%
2/13/2026 Heron Bay Capital Management20,056$119K0.0%N/A0.040%
2/13/2026 Police & Firemen s Retirement System of New Jersey15,719$94K0.0%+88.9%0.031%
2/13/2026 State Street Corp877,077$5.22M0.0%+17.2%1.741%
2/13/2026 Ieq Capital LLC11,495$68K0.0%N/A0.023%
2/13/2026Wells Fargo & Company MN48,281$287K0.0%+48.4%0.096%
2/12/2026Jane Street Group LLC36,362$216K0.0%-73.8%0.072%
2/12/2026MetLife Investment Management LLC24,412$145K0.0%+67.8%0.048%
2/12/2026 State Board of Administration of Florida Retirement System27,335$163K0.0%N/A0.054%
2/12/2026Renaissance Technologies LLC2,123,813$12.64M0.0%-1.3%4.215%
2/12/2026 Dimensional Fund Advisors LP1,339,603$7.97M0.0%+5.3%2.658%
2/12/2026EntryPoint Capital LLC35,389$211K0.1%N/A0.070%
2/12/2026 Federated Hermes Inc.237,857$1.42M0.0%+20.1%0.472%
2/12/2026 Haven Private LLC92,083$548K0.2%N/A0.183%
2/11/2026Empowered Funds LLC186,185$1.11M0.0%+55.7%0.369%
2/11/2026 Metis Global Partners LLC42,586$253K0.0%-23.7%0.085%
2/11/2026Cerity Partners LLC12,072$72K0.0%+18.2%0.024%
2/11/2026 LPL Financial LLC40,442$241K0.0%-21.2%0.080%
2/11/2026Franklin Resources Inc.182,706$1.09M0.0%+5.2%0.363%
2/11/2026Brandywine Global Investment Management LLC21,800$130K0.0%N/A0.043%
2/11/2026O Shaughnessy Asset Management LLC1,120,329$6.67M0.0%+35.3%2.223%
2/11/2026Los Angeles Capital Management LLC148,132$809K0.0%-45.9%0.294%
2/11/2026 WINTON GROUP Ltd97,159$578K0.0%+58.4%0.193%
2/11/2026 Vise Technologies Inc.40,298$240K0.0%N/A0.080%
2/11/2026 State of Wyoming53,155$316K0.0%+317.3%0.105%
2/10/2026Goldman Sachs Group Inc.793,962$4.72M0.0%+238.4%1.576%
2/10/2026 AXQ Capital LP16,592$99K0.0%N/A0.033%
2/9/2026 Geode Capital Management LLC994,345$5.92M0.0%+1.1%1.973%
2/9/2026Royce & Associates LP11,914$71K0.0%-36.4%0.024%
2/9/2026 Prospera Financial Services Inc185,496$1.10M0.0%-2.2%0.368%
2/6/2026 LSV Asset Management404,802$2.41M0.0%-27.7%0.803%
2/6/2026 ProShare Advisors LLC10,062$60K0.0%N/A0.020%
2/5/2026 Williams & Novak LLC10,560$63K0.0%N/A0.021%
2/4/2026 D Orazio & Associates Inc.49,807$296K0.0%+56.0%0.099%
2/2/2026 Strs Ohio99,400$591K0.0%-20.4%0.197%
2/2/2026 One Wealth Advisors LLC19,389$115K0.0%N/A0.038%
1/29/2026 China Universal Asset Management Co. Ltd.8,211$49K0.0%N/A0.016%
1/28/2026 Universal Beteiligungs und Servicegesellschaft mbH39,308$234K0.0%-80.2%0.078%
1/27/2026 Round Rock Advisors LLC105,042$570K0.1%+60.6%0.208%
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1/26/2026CWM LLC12,813$76K0.0%+43.6%0.025%
1/26/2026 PFG Investments LLC12,000$71K0.0%-20.0%0.024%
1/23/2026 State of Alaska Department of Revenue8,445$50K0.0%N/A0.017%
1/23/2026 Ritholtz Wealth Management694,001$4.13M0.1%+47.4%1.377%
1/14/2026 Baron Wealth Management LLC35,392$211K0.1%+62.6%0.070%
1/8/2026 Wealth Enhancement Advisory Services LLC10,144$59K0.0%N/A0.020%
1/1/2026 JPMorgan Chase & Co.17,285$92K0.0%-14.6%0.034%
11/17/2025 Virtus Advisers LLC47,172$250K0.2%+241.4%0.094%
11/17/2025Sherbrooke Park Advisers LLC30,527$162K0.1%N/A0.061%
11/17/2025Qube Research & Technologies Ltd155,516$826K0.0%+13.4%0.309%


PBYI Institutional Ownership - Frequently Asked Questions

During the previous two years, 137 institutional investors and hedge funds held shares of Puma Biotechnology. The most heavily invested institutionals were BlackRock Inc. ($30.86M), Vanguard Group Inc. ($19.60M), Acorn Capital Advisors LLC ($14.17M), Renaissance Technologies LLC ($12.41M), Frazier Life Sciences Management L.P. ($9.98M), Dimensional Fund Advisors LP ($9.18M), and O Shaughnessy Asset Management LLC ($6.67M).Learn more on Puma Biotechnology's institutional investors.

61.29% of Puma Biotechnology's stock is owned by institutional investors. Learn more on PBYI's institutional investor holdings.

Of the 127 institutional investors that purchased Puma Biotechnology's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($3.80M), Acorn Capital Advisors LLC ($2.64M), Connor Clark & Lunn Investment Management Ltd. ($1.19M), Russell Investments Group Ltd. ($985.55K), Ritholtz Wealth Management ($774.31K), Bridgeway Capital Management LLC ($692.39K), and AQR Capital Management LLC ($575.57K).

Institutional investors have bought a total of 11,967,890 shares in the last 24 months. This purchase volume represents approximately $80.35M in transactions.

Of the 30 institutional investors that sold Puma Biotechnology's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Russell Investments Group Ltd. ($713.04K), Millennium Management LLC ($318.00K), Renaissance Technologies LLC ($208.80K), Universal Beteiligungs und Servicegesellschaft mbH ($159.20K), LSV Asset Management ($155.12K), Two Sigma Investments LP ($134.50K), and Los Angeles Capital Management LLC ($125.92K).

Institutional investors have sold a total of 2,462,373 shares in the last 24 months. This volume of shares sold represents approximately $14.37M in transactions.


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Institutional ownership data for NASDAQ:PBYI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/14/2026. New 13F filings are added each quarter as they're published.
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