13F

Stock

Supernus Pharmaceuticals, Inc.

SUPN · held by 325 managers

Reported value

$2.89B

Holders

325

+36 new · −41 exited

Holders’ est. mark

$83.9M

Price effect on 218 books still in the name

Largest holder

$454.7M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.8.8M$454.7M$17.4MAdded$20.6M
MILLENNIUM MANAGEMENT LLC3.32M$171.4M$5.25MAdded$40.2M
VANGUARD PORTFOLIO MANAGEMENT LLC3.24M$167.4MHeld
VANGUARD CAPITAL MANAGEMENT LLC2.47M$127.5MHeld
DIMENSIONAL FUND ADVISORS LP2.31M$119.2M$4.58MCut−$15.6M
State Street2.29M$118.3M$4.42MAdded$7.98M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.2.04M$105.3M$4.05MCut−$9.39M
ARMISTICE CAPITAL, LLC1.9M$98M$3.77MCut−$39.4M
Renaissance Technologies1.71M$88.1M$3.39MAdded$2.04M
GEODE CAPITAL MANAGEMENT, LLC1.62M$83.9M$2.93MAdded$10.7M
Citadel1.49M$77.2M$901.4KAdded$54.7M
LOOMIS SAYLES & CO L P1.43M$73.7M$2.84MAdded$1.69M
Stephens Investment Management Group LLC1.35M$69.9M$2.69MCut−$53.8K
Point72 Asset Management, L.P.1.32M$68.2M$2.62MCut−$44.4M
Sofinnova Investments, Inc.954.3K$49.3M$1.1MAdded$21.8M
MORGAN STANLEY913.9K$47.2M$1.82MCut−$6.41M
GOLDMAN SACHS GROUP INC856.5K$44.3M$1.31MAdded$11.5M
BANK OF AMERICA CORP /DE/714.2K$36.9M$1.04MAdded$11M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC706K$36.5M$1.4MAdded$1.52M
NORTHERN TRUST CORP699.5K$36.2M$1.33MAdded$2.84M
ASHFORD CAPITAL MANAGEMENT INC645.4K$33.4M$1.22MAdded$2.92M
Freestone Grove Partners LP641.3K$33.1M$390.7KAdded$23.4M
D. E. Shaw & Co., Inc.622.5K$32.2M$1.24MCut−$3.01M
Assenagon Asset Management S.A.530.6K$27.4MNew
VICTORY CAPITAL MANAGEMENT INC502.4K$26M$999.8KCut−$183.8K
Qube Research & Technologies Ltd498.2K$25.8M$620.6KAdded$10.3M
RICE HALL JAMES & ASSOCIATES, LLC477.4K$24.7M$931.1KAdded$1.42M
Woodline Partners LP449K$23.2MNew
Pictet Asset Management Holding SA450.8K$22.3M−$819.9KCut−$2.49M
Invesco Ltd.412.7K$21.3M$787.6KAdded$1.66M
SYSTEMATIC FINANCIAL MANAGEMENT LP376.1K$19.4M$605.4KAdded$4.32M
VANGUARD FIDUCIARY TRUST CO369.2K$19.1MHeld
Bank of New York Mellon Corp362.4K$18.7M$721.2KAdded$304.7K
PRINCIPAL FINANCIAL GROUP INC341.1K$17.6M$648.8KAdded$1.43M
MetLife Investment Management, LLC304.2K$15.7M$604.4KAdded$628K
Aberdeen Group plc275.6K$14.2M$540.4KAdded$746.5K
TWO SIGMA INVESTMENTS, LP271.2K$14M$240.1KAdded$8.02M
JPMORGAN CHASE & CO250.7K$12.4M−$87.8KCut−$138.5K
ROYCE & ASSOCIATES LP229.9K$11.9M$393.5KAdded$2.06M
GLENMEDE TRUST CO NA219.1K$11.3M$436KCut−$562.2K
Nuveen, LLC216K$11.2M$220.5KAdded$5.66M
Fidelity209.4K$10.8M$247.4KAdded$4.64M
UBS Group AG209.1K$10.8M$85.7KAdded$8.67M
PUBLIC SECTOR PENSION INVESTMENT BOARD205.2K$10.6M$394.8KAdded$743.8K
Aristotle Capital Boston, LLC203.1K$10.5M$411.7KCut−$1.15M
ExodusPoint Capital Management, LP202.1K$10.4M$402.2KCut−$940.2K
AMERIPRISE FINANCIAL INC173.9K$8.99M$346.1KCut−$7.89K
RHUMBLINE ADVISERS169.3K$8.75M$327.1KAdded$581.6K
SCHRODER INVESTMENT MANAGEMENT GROUP176.1K$8.69M−$95.1KCut−$786.9K
AXIOM INVESTORS LLC /DE164K$8.48M$211.3KAdded$3.2M
SEI INVESTMENTS CO162.4K$8.39M$307.2KAdded$710.1K
AMERICAN CENTURY COMPANIES INC161K$8.32M$320.4KAdded$111.8K
THIRD AVENUE MANAGEMENT LLC152.7K$7.89M$303.9KCut−$1.52M
Susquehanna Portfolio Strategies, LLC142.2K$7.35M$282.9KAdded$282.9K
Legal & General Group Plc135.8K$7.02M$270.3KCut−$198.4K
TEACHER RETIREMENT SYSTEM OF TEXAS130K$6.72M$258.8KAdded$214.4K
RAYMOND JAMES FINANCIAL INC125.3K$6.48M$177KAdded$2.06M
DEUTSCHE BANK AG\118.5K$6.13M$225.5KAdded$495.9K
Swiss National Bank113.5K$5.87M$220.1KAdded$370K
BARCLAYS PLC109.1K$5.64M$217.1KAdded$200.1K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC107.9K$5.58M$201KAdded$553.9K
Bruce & Co., Inc.100K$5.17M$163.4KAdded$1.09M
Icahn Capital98.3K$5.08M$195.5KCut−$1.19M
Hudson Bay Capital Management LP90.8K$4.69MNew
Hennion & Walsh Asset Management, Inc.88.5K$4.57M$160.5KAdded$563.8K
FRANKLIN RESOURCES INC86K$4.44M$171.1KCut−$80.5K
NATIXIS85.2K$4.4MNew
Parkman Healthcare Partners LLC85.1K$4.4MNew
PDT Partners, LLC76.7K$3.96M$152.6KAdded$152.6K
CITIGROUP INC75.1K$3.88M$62.1KAdded$2.33M
Man Group plc75K$3.88M$61.9KAdded$2.33M
Universal- Beteiligungs- und Servicegesellschaft mbH72.4K$3.74M$144.1KCut−$254.3K
WEDGE CAPITAL MANAGEMENT L L P/NC69.6K$3.6M$138.6KCut−$281.5K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM67.7K$3.5M$106.1KAdded$847.7K
MARTINGALE ASSET MANAGEMENT L P67.5K$3.49M$116KAdded$595.6K
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND66K$3.41MNew
Phocas Financial Corp.63.4K$3.28M$126.2KCut−$763.8K
STATE OF WISCONSIN INVESTMENT BOARD63.4K$3.28M$126.1KAdded$63.8K
Bridge City Capital, LLC62.9K$3.25M$125.2KAdded$81.6K
PRUDENTIAL FINANCIAL INC62.9K$3.25M$125.1KCut−$390.3K
Catalio Capital Management, LP62K$3.21M$123.4KCut−$9.59M
BNP PARIBAS FINANCIAL MARKETS62K$3.2M$123.3KCut−$654.3K
STIFEL FINANCIAL CORP60.5K$3.13M$100.2KAdded$625.3K
Russell Investments Group, Ltd.57.8K$2.99M$115KCut−$1.39M
JANE STREET GROUP, LLC57.3K$2.96M$72.6KAdded$1.15M
ALLIANCEBERNSTEIN L.P.55.9K$2.78M$0Added$91.7K
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main52.8K$2.73M$22KAdded$2.18M
NFJ INVESTMENT GROUP, LLC52.8K$2.73MNew
S&T Bank/PA52.5K$2.71M$104.4KCut−$1.02M
VELA Investment Management, LLC51.6K$2.67M$99.3KAdded$187.2K
VANGUARD ASSET MANAGEMENT, Ltd50.5K$2.61MHeld
Schonfeld Strategic Advisors LLC48.8K$2.52MNew
GREAT LAKES ADVISORS, LLC48.2K$2.49M$95.9KCut−$124.5K
BRIDGEWAY CAPITAL MANAGEMENT, LLC48K$2.48M$95.5KCut−$401.5K
FIRST TRUST ADVISORS LP46.6K$2.41M$59.3KAdded$928.9K
Allworth Financial LP46.6K$2.41M$187Added$2.4M
Atom Investors LP45.7K$2.36M$8.99KAdded$2.14M
CAMPBELL NEWMAN ASSET MANAGEMENT INC44.8K$2.32M$87.7KAdded$125.8K
NEW YORK STATE COMMON RETIREMENT FUND44.5K$2.3M$88.5KAdded$88.5K
ASSETMARK, INC44K$2.27M$82.4KAdded$215.6K
JACOBS LEVY EQUITY MANAGEMENT, INC42.7K$2.21M$85KCut−$4.06M
SUSQUEHANNA INTERNATIONAL GROUP, LLP40.8K$2.11M$81.1KAdded$19.8K
EXCHANGE TRADED CONCEPTS, LLC40.4K$2.09M$33.9KAdded$1.24M
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM40.3K$2.08M$80.2KCut−$879.5K
CAPTRUST FINANCIAL ADVISORS40.3K$2.08M$37KAdded$1.16M
INTECH INVESTMENT MANAGEMENT LLC39K$2.02M$77.6KCut−$1.04M
Villanova Investment Management Co LLC34.9K$1.81M$69.5KCut−$582.5K
FIFTH THIRD BANCORP34.1K$1.76M$701Added$1.75M
Westover Capital Advisors, LLC32K$1.65M$63.6KAdded$66.6K
VOYA INVESTMENT MANAGEMENT LLC31.7K$1.64M$63.2KCut−$14.7K
Zurcher Kantonalbank (Zurich Cantonalbank)30.1K$1.55M$41.9KAdded$507.8K
Illinois Municipal Retirement Fund30K$1.55M$59.5KAdded$64K
CAPITAL FUND MANAGEMENT S.A.29.7K$1.54MNew
ADAR1 Capital Management, LLC29.6K$1.53M$59KAdded$54K
Odyssean, LLC27.6K$1.43M$29.3KAdded$693.6K
Quantinno Capital Management LP26.2K$1.35M$48.5KAdded$142.5K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.25.9K$1.34M$49.9KAdded$94K
Mystic Asset Management, Inc.25.7K$1.33M$51.1KAdded$51.1K
XTX Topco Ltd25.6K$1.32MNew
Squarepoint Ops LLC25.5K$1.32M$50.8KCut−$3.28M
MANUFACTURERS LIFE INSURANCE COMPANY, THE25.5K$1.32M$50.8KAdded$36K
Louisiana State Employees Retirement System25.4K$1.31M$50.5KAdded$5.82K
Vanguard Global Advisers, LLC24.9K$1.29MHeld
Creative Planning24.3K$1.25M$40.3KAdded$247.6K
JANUS HENDERSON GROUP PLC23.3K$1.2M$46.2KAdded$46.2K
SEGALL BRYANT & HAMILL, LLC23.2K$1.2M$46.1KAdded$42.9K
GABELLI FUNDS LLC23K$1.19M$45.8KAdded$45.8K
Polaris Capital Management, LLC22.5K$1.16M$44.8KCut−$119.2K
ENVESTNET ASSET MANAGEMENT INC22K$1.14M$43.8KCut−$120.7K
WELLINGTON MANAGEMENT GROUP LLP21.9K$1.13M$43.5KCut−$30.4K
WELLS FARGO & COMPANY/MN21.5K$1.11M$42.8KCut−$1.92M
JAMES INVESTMENT RESEARCH, INC.21K$1.09M$41.7KAdded$43.2K
Y-Intercept (Hong Kong) Ltd20.2K$1.05M$34.1KAdded$194.1K
FRANKLIN STREET ADVISORS INC /NC20K$1.03M$39.8KAdded$39.8K
Elmind Capital, LP20K$1.03M$39.8KAdded$39.8K
STRS OHIO19.8K$1.02M$20.9KAdded$501.6K
State of New Jersey Common Pension Fund D19.6K$1.01M$38.1KAdded$61.7K
ADVISORY RESEARCH INC19.6K$1.01M$39KAdded$20.1K
CANADA PENSION PLAN INVESTMENT BOARD19.3K$997.6K$37.4KAdded$63.3K
TWINBEECH CAPITAL LP19K$982.1KNew
AdvisorShares Investments LLC17.5K$902.1K$34.7KCut−$509K
Ellsworth Advisors, LLC16.8K$870.6KNew
Retirement Planning Co of New England, Inc.16.3K$844.2K$32.5KAdded$22.6K
ARIZONA STATE RETIREMENT SYSTEM15.7K$814.1K$31.3KAdded$32.3K
YOUSIF CAPITAL MANAGEMENT, LLC15.6K$803.9K$29.1KAdded$19.2K
Police & Firemen's Retirement System of New Jersey15.1K$778.1K$28.5KAdded$67.5K
Orion Porfolio Solutions, LLC15K$773.4K$23.2KAdded$194.1K
HighTower Advisors, LLC14.8K$765.5K$17.9KAdded$318.5K
Fiduciary Trust Co14.7K$760.6K$29.3KAdded$29.3K
PNC Financial Services Group, Inc.14.5K$752K$28.3KAdded$44.9K
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS14.2K$733K$28.2KAdded$27.5K
Legato Capital Management LLC14.1K$729.2K$28.1KAdded$2.48K
Vanguard Investments Australia, Ltd.13.7K$706.5KHeld
OREGON PUBLIC EMPLOYEES RETIREMENT FUND13.1K$679.5K$26.2KAdded$26.2K
GUIDANCE CAPITAL, INC13.4K$661.3KNew
Horizon Investments, LLC12.7K$655.3K$25.2KCut−$4.59K
COMMERCE BANK12.6K$653.3K$25.2KCut−$9.24K
KLP KAPITALFORVALTNING AS12.6K$651.3K$23.9KAdded$54.9K
FOX RUN MANAGEMENT, L.L.C.13K$640.4KNew
State of Tennessee, Department of Treasury12.3K$636.6K$43.5KCut−$109.4K
Brevan Howard Capital Management LP11.7K$604.5K$23.3KCut−$5.02M
Quadrature Capital Ltd11.5K$594.5K$10.7KAdded$326.9K
CHOREO, LLC11.4K$589.8K$20.5KAdded$18.2K
LPL Financial LLC11.2K$580.3K$22.3KCut−$289K
Walleye Capital LLC11.2K$579.7K$22.3KCut−$846.6K
ProShare Advisors LLC11.2K$578K$22.3KCut−$71.3K
Amundi10.8K$556.3K$21.4KCut−$485.3K
QRG CAPITAL MANAGEMENT, INC.10.7K$555.6K$18.8KAdded$86.9K
China Universal Asset Management Co., Ltd.10.2K$525.9K$20.2KCut−$87.5K
Resona Asset Management Co.,Ltd.9.74K$503.6KNew
Vanguard Personalized Indexing Management, LLC9.08K$469.6K$13.1KAdded$141.5K
SummitTX Capital, L.P.9.04K$467.5K$18KCut−$112.5K
MERCER GLOBAL ADVISORS INC /ADV8.68K$448.6K$16.4KAdded$38.9K
COMMONWEALTH EQUITY SERVICES, LLC8.6K$444.6K$17.1KCut−$71K
Maryland State Retirement & Pension System8.35K$431.7K$16.6KAdded$16.6K
OP Asset Management Ltd8.16K$421.9K$16.2KCut−$30.9K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP7.59K$392.6K$15.1KCut−$8.74M
Argentarii, LLC7.5K$387.7K$14.9KAdded$14.9K
QUADRANT CAPITAL GROUP LLC7.47K$386.3K$14.9KAdded$14.9K
HARVEST MANAGEMENT LLC7.1K$367K$14.1KCut−$179.7K
PROFUND ADVISORS LLC6.97K$360.4K$13.9KCut−$101.2K
Perbak Capital Partners LLP6.75K$349.1KNew
Balyasny Asset Management L.P.6.74K$348.3KNew
Atria Investments, Inc6.63K$342.8K$13.2KCut−$62.7K
Allspring Global Investments Holdings, LLC6.39K$328.7K$11.3KAdded$44.7K
BANK OF MONTREAL /CAN/6.31K$326.3K$10.5KAdded$63.9K
Verdad Advisers, LP6.29K$325.4KNew
denkapparat Operations GmbH6.2K$320.6K$12.3KAdded$12.3K
PSP Research LLC6K$310.1K$11.9KCut−$224.5K
CONTRAVISORY INVESTMENT MANAGEMENT, INC.5.98K$309.2K$11.9KAdded$11.9K
NEUBERGER BERMAN GROUP LLC5.82K$300.6K$11.4KAdded$16.9K
CAPSTONE INVESTMENT ADVISORS, LLC5.5K$284.2K$10.9KCut−$155.9K
XPONANCE LLC5.26K$271.9K$10.5KCut−$19.6K
Ensign Peak Advisors, Inc5.19K$268.3K$10.3KAdded$10.3K
Cornerstone Investment Partners, LLC5.17K$267.1KNew
Empowered Funds, LLC5.11K$264KNew
FEDERATED HERMES, INC.5.06K$261.5K$6.91KAdded$88.9K
SmartHarvest Portfolios, LLC4.92K$254.2K$9.79KAdded$9.59K
BURNEY CO/4.88K$252.3K$9.71KCut−$143.9K
Magnetar Financial LLC4.88K$252.3KNew
JONES FINANCIAL COMPANIES LLLP5.09K$252K−$248Added$183.5K
EverSource Wealth Advisors, LLC4.86K$251.2K$9.66KAdded$10K
Corient Private Wealth LLC4.84K$250.3K$9.49KAdded$13.4K
Crossmark Global Holdings, Inc.4.8K$248K$9.23KAdded$17.6K
Fieldview Capital Management, LLC4.6K$237.8K$9.15KCut−$4.46K
JOURNEY STRATEGIC WEALTH LLC4.56K$235.8K$8.86KAdded$14.6K
Ameritas Investment Partners, Inc.4.51K$233K$8.97KAdded$8.97K
Quantbot Technologies LP4.45K$229.9K$8.08KAdded$28K
Vontobel Holding Ltd.4.42K$228.4K$8.65KAdded$12.3K
Kestra Advisory Services, LLC4.33K$223.9K$8.62KCut−$47.2K
Waldron Private Wealth LLC4.33K$223.8K$8.62KAdded$8.62K
Tower Research Capital LLC (TRC)4.32K$223.3K$3.04KAdded$147.3K
Claro Advisors Inc.4.28K$221KNew
Brooklyn Investment Group4.16K$215K$1.72KAdded$14.3K
Sequoia Financial Advisors, LLC4.1K$211.9KNew
FARALLON CAPITAL MANAGEMENT LLC4K$206.8KNew
ROYAL BANK OF CANADA3.84K$198K$7.99KCut−$148K
GAMMA Investing LLC3.29K$169.8K$6.54KCut−$120K
CWM, LLC3.11K$160.9K$160.7KAdded$160.7K
Pinnacle Wealth Planning Services, Inc.3.11K$160.6K$6.14KAdded$7.38K
Mirae Asset Global Investments Co., Ltd.2.99K$154.6K$5.95KCut−$247.5K
State of Wyoming2.87K$148.5K$5.72KCut−$181.6K
SIMPLEX TRADING, LLC2.85K$147.3KNew
Kennebec Savings Bank1.98K$102.2K$3.94KAdded$3.94K
Rockefeller Capital Management L.P.1.94K$100.5K$1.68KAdded$58.4K
US BANCORP \DE\1.84K$95.1K$3.54KAdded$6.79K
Sterling Capital Management LLC1.71K$88.2K$3.39KCut−$55.4K
NISA INVESTMENT ADVISORS, LLC1.66K$85.7K$3.24KAdded$4.74K
GF FUND MANAGEMENT CO. LTD.1.29K$66.6K$2.24KAdded$10.6K
FIRST HORIZON CORP1.13K$58.4K$2.25KCut−$14.9K
GW&K Investment Management, LLC1.06M$54.5K$2.1KAdded$830
Versant Capital Management, Inc1.03K$53K$1.98KAdded$3.68K
Glass Jacobson Investment Advisors llc1K$51.7K$1.99KAdded$1.99K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.922$47.7K$47.6KAdded$47K
SIGNATUREFD, LLC778$40.2K$1.34KAdded$6.77K
HUNTINGTON NATIONAL BANK748$38.7K$1.49KAdded$1.19K
Salomon & Ludwin, LLC755$38.1K$538Added$13.5K
UMB Bank, n.a.580$30K$947Added$6.32K
Smartleaf Asset Management LLC592$29.2K−$320Cut−$28K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO522$27K$1.04KCut−$814.2K
Wilmington Savings Fund Society, FSB500$25.8K$597Added$10.9K
Kemnay Advisory Services Inc.457$23.6KNew
Parkside Financial Bank & Trust425$22K$842Added$945
OSAIC HOLDINGS, INC.410$21.2K$718Added$3.25K
CoreCap Advisors, LLC399$20.6K$794Cut−$388.5K
SG Americas Securities, LLC377.2K$19.5K$26Added$18.9K
Sunbelt Securities, Inc.304$15.7K$605Added$605
MassMutual Private Wealth & Trust, FSB292$15.1K$581Cut−$1.41K
Sound Income Strategies, LLC287$14.8K$216Added$7.26K
Farther Finance Advisors, LLC283$14.6K$493Cut−$1.35K

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.