13F

Stock

Puma Biotechnology, Inc.

PBYI · held by 156 managers

Reported value

$220.8M

Holders

156

+22 new · −18 exited

Holders’ est. mark

$11.9M

Price effect on 128 books still in the name

Largest holder

$26.4M

ACORN CAPITAL ADVISORS, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
ACORN CAPITAL ADVISORS, LLC4.13M$26.4M$1.82MAdded$1.82M
BlackRock, Inc.3.6M$23M$1.58MAdded$1.32M
Renaissance Technologies1.94M$12.4M$854.7KCut−$224.7K
AMERICAN CENTURY COMPANIES INC1.92M$12.2M$726.1KAdded$2.43M
VANGUARD CAPITAL MANAGEMENT LLC1.82M$11.6MHeld
VANGUARD PORTFOLIO MANAGEMENT LLC1.73M$11.1MHeld
MILLENNIUM MANAGEMENT LLC1.48M$9.44M$7.31KAdded$9.34M
DIMENSIONAL FUND ADVISORS LP1.44M$9.17M$587.4KAdded$1.2M
O'SHAUGHNESSY ASSET MANAGEMENT, LLC1.14M$7.27M$492.9KAdded$606.9K
GEODE CAPITAL MANAGEMENT, LLC1.02M$6.5M$438.1KAdded$585.1K
State Street917.6K$5.86M$385.9KAdded$644.8K
KENNEDY CAPITAL MANAGEMENT LLC889.6K$5.68M$382.1KAdded$518.1K
Icahn Capital800.2K$5.11M$293.3KAdded$1.15M
Connor, Clark & Lunn Investment Management Ltd.782.8K$5M$344.4KCut−$206K
BRIDGEWAY CAPITAL MANAGEMENT, LLC775.3K$4.95M$340.3KAdded$352.2K
RITHOLTZ WEALTH MANAGEMENT774.3K$4.95M$305.4KAdded$818.5K
GOLDMAN SACHS GROUP INC669.7K$4.28M$294.7KCut−$444.6K
NORTHERN TRUST CORP641.8K$4.1M$271.1KAdded$434.4K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP538.2K$3.44M$236.8KAdded$179.1K
UBS Group AG534.2K$3.41M$56KAdded$2.66M
SEI INVESTMENTS CO508.2K$3.25M$189.2KAdded$689.2K
MORGAN STANLEY359.7K$2.3M$143.8KAdded$354.4K
D. E. Shaw & Co., Inc.351.2K$2.24M$154.5KCut−$6.47K
GLOBEFLEX CAPITAL L P349.7K$2.23M$153.8KCut−$458.7K
Bank of New York Mellon Corp347.9K$2.22M$153.1KAdded$129.3K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM272.9K$1.74M$12KAdded$1.58M
PRUDENTIAL FINANCIAL INC253K$1.62M$111.3KCut−$87.8K
VANGUARD FIDUCIARY TRUST CO251.7K$1.61MHeld
Russell Investments Group, Ltd.251.7K$1.61M$110.7KAdded$110.7K
FEDERATED HERMES, INC.237.7K$1.52M$104.6KAdded$103.8K
FRANKLIN RESOURCES INC215.4K$1.38M$80.4KAdded$289.2K
JPMORGAN CHASE & CO220.7K$1.35M$3.8KAdded$1.23M
STATE OF WISCONSIN INVESTMENT BOARD208.6K$1.33M$58.9KAdded$537.1K
Empowered Funds, LLC204K$1.3M$81.9KAdded$196K
PANAGORA ASSET MANAGEMENT INC194.9K$1.25M$85.7KAdded$85.8K
Fidelity191.8K$1.23M$72.1KAdded$250.8K
Prospera Financial Services Inc173.1K$1.11M$76.1KAdded$2.09K
Haven Private, LLC155.3K$992.1K$40.5KAdded$444.2K
Round Rock Advisors LLC128.9K$823.7K$46.2KAdded$198.7K
FIRST TRUST ADVISORS LP123.5K$789.2K$54KAdded$58.6K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC115.9K$740.7K$51KCut−$5.27K
EVERGREEN CAPITAL MANAGEMENT LLC96K$613.4K$42.2KAdded$42.2K
Invesco Ltd.95K$607.3K$41.8KCut−$37.1K
STRS OHIO91.5K$584.7K$40.3KCut−$6.75K
OpenArc Corporate Advisory, LLC89.5K$571.8K$39.3KAdded$40.1K
Nuveen, LLC79.1K$505.5K$34.8KAdded$34.8K
State of Wyoming75.8K$484.4K$23.4KAdded$168.1K
WINTON GROUP Ltd66.3K$423.9K$29.2KCut−$154.2K
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.61.3K$391K$27KAdded$27K
EntryPoint Capital, LLC53.5K$341.6K$15.6KAdded$131.1K
RHUMBLINE ADVISERS53K$338.9K$23.3KAdded$18.2K
D'Orazio & Associates, Inc.49.9K$319K$21.9KAdded$22.6K
Man Group plc47.4K$302.7K$20.8KAdded$21.1K
BANK OF AMERICA CORP /DE/40.4K$257.9K$17.8KCut−$53.8K
Universal- Beteiligungs- und Servicegesellschaft mbH39.3K$251.2K$17.3KAdded$17.3K
Baron Wealth Management LLC38.3K$244.6K$15.6KAdded$34K
Vise Technologies, Inc.40.3K$239.8K$0Held
LPL Financial LLC36.6K$234K$16.1KCut−$6.64K
DEUTSCHE BANK AG\33.1K$211.8KNew
Citadel30K$191.4K$13.2KCut−$776.4K
Kathmere Capital Management, LLC29.8K$190.3K$11.9KAdded$28.9K
VIRTUS ADVISERS, LLC29.3K$187.5K$12.9KCut−$93.1K
Vanguard Global Advisers, LLC29.2K$186.4KHeld
Engineers Gate Manager LP28.6K$182.8K$8.27KAdded$71K
ENVESTNET ASSET MANAGEMENT INC26.6K$169.7KNew
Caprock Group, LLC26K$166.1K$7.24KAdded$68.2K
Metis Global Partners, LLC25.3K$161.4K$11.1KCut−$92K
C2C Wealth Management, LLC23.6K$150.9K$10.1KAdded$14K
Creative Planning23.1K$147.7KNew
CANADA PENSION PLAN INVESTMENT BOARD22.8K$145.7K$10KCut−$301.7K
One Wealth Advisors, LLC21.1K$134.7K$8.53KAdded$19.3K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.20.6K$131.9K$8.87KAdded$11.9K
PRELUDE CAPITAL MANAGEMENT, LLC18.4K$117.9K$8.12KCut−$73.4K
BAILARD, INC.18.1K$115.7KNew
LAZARD ASSET MANAGEMENT LLC18K$114.8K$7.91KCut−$239.6K
Allspring Global Investments Holdings, LLC17.1K$109.1KNew
Quadrature Capital Ltd16.7K$107KNew
WELLS FARGO & COMPANY/MN16.3K$104K$7.16KCut−$183.3K
SUSQUEHANNA INTERNATIONAL GROUP, LLP16.1K$102.8KNew
MetLife Investment Management, LLC15.8K$101.2K$6.97KCut−$44K
Police & Firemen's Retirement System of New Jersey15.7K$100.4K$6.92KAdded$6.92K
CWM, LLC15.3K$97.5K$81.8KAdded$97.5K
XTX Topco Ltd15.1K$96.6KNew
IEQ CAPITAL, LLC14.9K$95.2K$5.06KAdded$26.8K
Mariner, LLC14.6K$93.6KNew
BARCLAYS PLC14K$89.4K$6.15KCut−$395.2K
Ashton Thomas Private Wealth, LLC13.5K$86.3KNew
Cerity Partners LLC13K$83.2K$5.31KAdded$11.3K
TWO SIGMA INVESTMENTS, LP13K$83.1K$5.72KCut−$882.9K
TOCQUEVILLE ASSET MANAGEMENT L.P.13K$82.8KNew
ALLIANCEBERNSTEIN L.P.13.8K$82.1K$0Held
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC11.6K$80.3K$10.6KAdded$20.8K
PERKINS CAPITAL MANAGEMENT INC12.5K$79.9K$5.5KAdded$5.5K
MANUFACTURERS LIFE INSURANCE COMPANY, THE11.8K$75.2K$5.18KCut−$4.71K
OSAIC HOLDINGS, INC.11.7K$74.6K$5.13KAdded$2.16K
Abel Hall, LLC11.5K$73.3K$4.75KAdded$9.1K
Williams & Novak, LLC10.6K$71.9K$8.55KAdded$9.09K
Abacus Wealth Partners, LLC11.2K$71.6KNew
Ethic Inc.10.5K$67.3K$4.63KAdded$4.53K
DGS Capital Management, LLC10.4K$66.6KNew
Stokes Family Office, LLC10.1K$64.5K$4.44KCut−$102.7K
BNP PARIBAS FINANCIAL MARKETS9.67K$61.8K$4.25KAdded$3.71K
China Universal Asset Management Co., Ltd.9.03K$57.7K$3.61KAdded$8.83K
Philadelphia Investment Partners, LLC9K$57.5KHeld
MAI Capital Management7.56K$48.3K$15Added$48.1K
IFP Advisors, Inc6.91K$44.1K$90Added$42.9K
ROYAL BANK OF CANADA4.32K$28K$1.13KAdded$21K
Ameritas Investment Partners, Inc.4.05K$25.9K$1.78KAdded$1.78K
NEW YORK STATE COMMON RETIREMENT FUND3.6K$23K$1.58KAdded$1.58K
Legal & General Group Plc3.56K$22.8K$1.57KAdded$1.57K
Private Wealth Asset Management, LLC3.5K$22.4K$1.54KAdded$1.54K
CITIGROUP INC3.42K$21.9K$1.05KAdded$7.71K
Mirae Asset Global Investments Co., Ltd.2.65K$17K$1.08KAdded$2.39K
Tower Research Capital LLC (TRC)2.57K$16.4K$986Added$3.09K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2.33K$14.9K$1.03KCut−$879
ACADIAN ASSET MANAGEMENT LLC2.04M$13K$892Added$1K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1.71K$10.9KNew
Rialto Wealth Management, LLC1.45K$9.27K$638Added$638
Sterling Capital Management LLC1.43K$9.11K$627Cut−$5.66K
GROUP ONE TRADING LLC1.34K$8.59K$591Cut−$46.3K
LSV ASSET MANAGEMENT1.18M$7.56K$178Added$5.15K
GHP Investment Advisors, Inc.1.17K$7.48K$515Added$515
WealthCollab, LLC1.16K$7.39K$508Added$508
Intentional Wealth Strategies, LLC1.13K$7.21KHeld
GF FUND MANAGEMENT CO. LTD.1.12K$7.17K$435Added$1.28K
Rockefeller Capital Management L.P.793$5.07K$70Added$4.12K
Farther Finance Advisors, LLC566$3.83K$428Added$678
PNC Financial Services Group, Inc.513$3.28K$226Added$226
HARBOUR INVESTMENTS, INC.500$3.19KNew
Essential Partners LLC443$2.83K$194Added$207
GAMMA Investing LLC422$2.7K$61Added$1.87K
Optiver Holding B.V.416$2.66K$183Cut−$1.91K
ROTHSCHILD INVESTMENT LLC406$2.59K$129Added$851
EverSource Wealth Advisors, LLC360$2.3K$105Added$891
NISA INVESTMENT ADVISORS, LLC342$2.19K$150Added$150
Allworth Financial LP341$2.18K$22Added$1.88K
Root Financial Partners, LLC269$1.72KNew
Arax Advisory Partners2.18K$1.34K−$54Added$1.28K
US BANCORP \DE\200$1.28K$88Added$88
Frazier Financial Advisors, LLC183$1.17KNew
Mosley Wealth Management148$786New
True Wealth Design, LLC123$786$54Added$54
JONES FINANCIAL COMPANIES LLLP68$413$8Added$8
SBI Securities Co., Ltd.56$358$25Added$25
SJS Investment Consulting Inc.43$275$15Added$60
PRICE T ROWE ASSOCIATES INC /MD/31.3K$201$12Added$46
Sunbelt Securities, Inc.30$192$14Added$14
HRT FINANCIAL LP13.1K$83New
Cambridge Investment Research Advisors, Inc.12.6K$80$5Cut−$273
State of Alaska, Department of Revenue8.45K$53$3Added$3
FIFTH THIRD BANCORP8$51New
Inspire Investing, LLC5$31$0Held
ELEVATION WEALTH PARTNERS, LLC3$20$2Added$2
Ball & Co Wealth Management Inc.3.07K$19$1Added$1
TFC Financial Management, Inc.1$7New
Wealth Preservation Advisors, LLC1$6New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.