OSUR

Institutional Ownership

Top 243 Institutional Holders
HolderSharesDateChange% Held
BlackRock, Inc.6.52MMar 31, 26+69.03K9.46%
PRIVATE MANAGEMENT GROUP INC5.42MMar 31, 26+25.91K7.88%
Neuberger Berman Group LLC4.36MMar 31, 26+377.05K6.34%
DIMENSIONAL FUND ADVISORS LP2.82MMar 31, 26-437.76K4.10%
SYSTEMATIC FINANCIAL MANAGEMENT LP2.48MMar 31, 26+2.91K3.60%
RENAISSANCE TECHNOLOGIES LLC2.08MMar 31, 26-61.70K3.03%
ACADIAN ASSET MANAGEMENT LLC2.02MMar 31, 26--2.94%
CANNELL CAPITAL LLC2.00MMar 31, 26+49.26K2.91%
GEODE CAPITAL MANAGEMENT, LLC1.82MMar 31, 26+68.64K2.64%
GAGNON SECURITIES LLC1.71MMar 31, 26+144.61K2.49%
STATE STREET CORP1.70MMar 31, 26+99.97K2.48%
D. E. Shaw & Co., Inc.1.38MMar 31, 26-283.14K2.01%
Gagnon Advisors, LLC1.21MMar 31, 26--1.75%
Peapod Lane Capital LLC1.02MMar 31, 26+61.48%
JACOBS LEVY EQUITY MANAGEMENT, INC999.59KMar 31, 26+10.89K1.45%
WELLS FARGO & COMPANY/MN899.84KMar 31, 26+22.81K1.31%
Archon Capital Management LLC747.91KMar 31, 26+174.41K1.09%
Yorkville Advisors Global, LP635.00KMar 31, 26+635.00K0.92%
NORTHERN TRUST CORP595.17KMar 31, 26+19.66K0.86%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC585.84KMar 31, 26-36.25K0.85%
VANGUARD FIDUCIARY TRUST CO454.77KMar 31, 26+454.77K0.66%
SEI INVESTMENTS CO417.96KMar 31, 26+233.73K0.61%
GOLDMAN SACHS GROUP INC411.53KMar 31, 26+94.46K0.60%
MORGAN STANLEY373.95KMar 31, 26-155.31K0.54%
KLP KAPITALFORVALTNING AS363.30KMar 31, 26--0.53%
JPMORGAN CHASE & CO360.52KMar 31, 26-36.56K0.52%
AQR CAPITAL MANAGEMENT LLC330.90KMar 31, 26+108.97K0.48%
Brinker Capital Investments, LLC324.52KMar 31, 26+30.99K0.47%
GSA CAPITAL PARTNERS LLP288.62KMar 31, 26+137.53K0.42%
BRIDGEWAY CAPITAL MANAGEMENT, LLC284.56KMar 31, 26-152.70K0.41%
UBS Group AG243.29KMar 31, 26-436.51K0.35%
AMERIPRISE FINANCIAL INC218.23KMar 31, 26-45.37K0.32%
Bank of New York Mellon Corp200.38KMar 31, 26-12.48K0.29%
AMERICAN CENTURY COMPANIES INC199.92KMar 31, 26-3.04K0.29%
PRICE T ROWE ASSOCIATES INC /MD/195.77KMar 31, 26+12.48K0.28%
Invesco Ltd.165.00KMar 31, 26+3.82K0.24%
Nuveen, LLC159.36KMar 31, 26+9310.23%
SUSQUEHANNA INTERNATIONAL GROUP, LLP153.61KMar 31, 26+124.39K0.22%
HSBC HOLDINGS PLC141.31KMar 31, 26+6.22K0.21%
STRS OHIO137.00KMar 31, 26-13.00K0.20%
JANE STREET GROUP, LLC125.52KMar 31, 26-231.98K0.18%
ALLIANCEBERNSTEIN L.P.124.82KMar 31, 26-5.40K0.18%
SIMPLEX TRADING, LLC118.05KMar 31, 26+115.66K0.17%
Murphy Pohlad Asset Management LLC115.87KMar 31, 26+1.00K0.17%
XTX Topco Ltd115.71KMar 31, 26-5.43K0.17%
BARCLAYS PLC115.17KMar 31, 26-93.45K0.17%
DEUTSCHE BANK AG\114.59KMar 31, 26+20.79K0.17%
TUDOR INVESTMENT CORP ET AL112.76KMar 31, 26-74.14K0.16%
FULLER & THALER ASSET MANAGEMENT, INC.99.24KMar 31, 26+99.24K0.14%
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO93.38KMar 31, 26--0.14%
RHUMBLINE ADVISERS84.96KMar 31, 26-5.74K0.12%
Russell Investments Group, Ltd.83.70KMar 31, 26+40.06K0.12%
HighTower Advisors, LLC63.26KMar 31, 26+43.12K0.09%
TWO SIGMA INVESTMENTS, LP56.10KMar 31, 26+56.10K0.08%
Nierenberg Investment Management Company, Inc.55.55KMar 31, 26+11.00K0.08%
CITADEL ADVISORS LLC55.31KMar 31, 26-338.39K0.08%
Empowered Funds, LLC49.63KMar 31, 26--0.07%
BFSG, LLC44.35KMar 31, 26+7400.06%
MetLife Investment Management, LLC38.24KMar 31, 26+25.22K0.06%
Metis Global Partners, LLC34.43KMar 31, 26-22.50K0.05%
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM34.34KMar 31, 26--0.05%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.33.70KMar 31, 26+7760.05%
Manatuck Hill Partners, LLC30.00KMar 31, 26--0.04%
Vanguard Global Advisers, LLC25.57KMar 31, 26+25.57K0.04%
Graham Capital Management, L.P.25.50KMar 31, 26+1590.04%
SHIKIAR ASSET MANAGEMENT INC25.00KMar 31, 26--0.04%
IMC-Chicago, LLC23.52KMar 31, 26+23.52K0.03%
MANUFACTURERS LIFE INSURANCE COMPANY, THE21.13KMar 31, 26-6.14K0.03%
Quadrant Private Wealth Management, LLC20.26KMar 31, 26--0.03%
Aster Capital Management (DIFC) Ltd20.08KMar 31, 26+20.08K0.03%
Resources Investment Advisors, LLC.20.01KMar 31, 26+3.16K0.03%
LPL Financial LLC19.97KMar 31, 26+4740.03%
Significant Wealth Partners LLC19.86KMar 31, 26+4600.03%
NEW YORK STATE COMMON RETIREMENT FUND19.31KMar 31, 26--0.03%
BNP PARIBAS ARBITRAGE, SNC19.25KMar 31, 26-4250.03%
L2 Asset Management, LLC19.00KMar 31, 26+8010.03%
MILLENNIUM MANAGEMENT LLC18.96KMar 31, 26-843.44K0.03%
INTECH INVESTMENT MANAGEMENT LLC18.85KMar 31, 26-11.89K0.03%
Vanguard Personalized Indexing Management, LLC16.77KMar 31, 26+16.77K0.02%
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO16.48KMar 31, 26--0.02%
Squarepoint Ops LLC15.20KMar 31, 26+1.59K0.02%
Moors & Cabot, Inc.14.76KMar 31, 26--0.02%
CITIGROUP INC14.44KMar 31, 26+12.83K0.02%
VOYA INVESTMENT MANAGEMENT LLC14.26KMar 31, 26-1.02K0.02%
Police & Firemen's Retirement System of New Jersey13.36KMar 31, 26--0.02%
Grantham, Mayo, Van Otterloo & Co. LLC12.33KMar 31, 26--0.02%
DIVERSIFY WEALTH MANAGEMENT, LLC12.19KMar 31, 26+12.19K0.02%
ADVISOR GROUP HOLDINGS, INC.11.75KMar 31, 26+4830.02%
PRUDENTIAL FINANCIAL INC11.68KMar 31, 26+11.68K0.02%
CANANDAIGUA NATIONAL CORP11.60KMar 31, 26+11.60K0.02%
Tower Research Capital LLC (TRC)11.50KMar 31, 26+5.12K0.02%
FMR LLC10.39KMar 31, 26-5180.02%
PNC FINANCIAL SERVICES GROUP, INC.10.11KMar 31, 26-2.29K0.01%
ProShare Advisors LLC10.09KMar 31, 26-2.88K0.01%
Ameritas Investment Partners, Inc.7.45KMar 31, 26--0.01%
Legal & General Group Plc6.75KMar 31, 26--0.01%
CWM, LLC4.77KMar 31, 26+3.81K0.01%
ROYAL BANK OF CANADA3.36KMar 31, 26-2.65K0.00%
Farther Finance Advisors, LLC3.31KMar 31, 26-1.18K0.00%
Sterling Capital Management LLC2.35KMar 31, 26-1.74K0.00%
Nemes Rush Group LLC2.00KMar 31, 26--0.00%
CGC Financial Services, LLC1.84KMar 31, 26--0.00%
Rockefeller Capital Management L.P.1.72KMar 31, 26-1.76K0.00%
FIFTH THIRD BANCORP1.66KMar 31, 26+1.66K0.00%
North Star Investment Management Corp.1.53KMar 31, 26--0.00%
Federation des caisses Desjardins du Quebec1.50KMar 31, 26--0.00%
HAZLETT, BURT & WATSON, INC.1.50KMar 31, 26--0.00%
VALLEY NATIONAL ADVISERS INC1.25KMar 31, 26-1000.00%
GAMMA Investing LLC1.03KMar 31, 26+3130.00%
Optiver Holding B.V.708Mar 31, 26-2560.00%
Prestige Wealth Management Group LLC605Mar 31, 26--0.00%
EverSource Wealth Advisors, LLC593Mar 31, 26+5630.00%
Versant Capital Management, Inc292Mar 31, 26--0.00%
UBS ASSET MANAGEMENT AMERICAS INC270Mar 31, 26+2700.00%
Ronald Blue Trust, Inc.253Mar 31, 26--0.00%
Advisory Services Network, LLC236Mar 31, 26+2360.00%
Advisors Asset Management, Inc.232Mar 31, 26-2220.00%
TD Waterhouse Canada Inc.200Mar 31, 26+2000.00%
Bogart Wealth, LLC150Mar 31, 26--0.00%
HighMark Wealth Management LLC100Mar 31, 26--0.00%
SRS Capital Advisors, Inc.61Mar 31, 26+610.00%
Sound Income Strategies, LLC49Mar 31, 26+490.00%
Allworth Financial LP28Mar 31, 26+280.00%
MAI Capital Management26Mar 31, 26+260.00%
SBI Securities Co., Ltd.18Mar 31, 26--0.00%
ROTHSCHILD INVESTMENT LLC12Mar 31, 26-230.00%
SJS Investment Consulting Inc.7Mar 31, 26+70.00%
ASSETMARK, INC4Mar 31, 26+40.00%
Caitong International Asset Management Co., Ltd2Mar 31, 26+20.00%
Steamboat Capital Partners, LLC--Mar 31, 26-400.00K--
Quadrature Capital Ltd--Mar 31, 26-11.47K--
Verition Fund Management LLC--Mar 31, 26-32.80K--
Assenagon Asset Management S.A.--Mar 31, 26-48.41K--
Numerai GP LLC--Mar 31, 26-41.37K--
BROWN BROTHERS HARRIMAN & CO--Mar 31, 26-295--
AMALGAMATED BANK--Mar 31, 26-2.23K--
Qube Research & Technologies Ltd--Mar 31, 26-216.94K--
NISA INVESTMENT ADVISORS, LLC--Mar 31, 26-5.03K--
Jain Global LLC--Mar 31, 26-31.44K--
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO--Mar 31, 26-49.76K--
Brevan Howard Capital Management LP--Mar 31, 26-26.50K--
Jump Financial, LLC--Mar 31, 26-54.09K--
SG Americas Securities, LLC--Mar 31, 26-19.75K--
Spire Wealth Management--Mar 31, 26-3.80K--
VANGUARD GROUP INC4.10MDec 31, 25-31.51K5.96%
Altai Capital Management, L.P.3.74MDec 31, 25-8.00K5.43%
KOTLER KEVIN1.80MDec 31, 25+1.80M2.62%
Intrinsic Edge Capital Management LLC349.06KDec 31, 25+349.06K0.51%
BANK OF AMERICA CORP /DE/132.43KDec 31, 25+26.08K0.19%
TWO SIGMA ADVISERS, LP57.10KDec 31, 25-7000.08%
NewEdge Advisors, LLC47.75KDec 31, 25+160.07%
CANANDAIGUA NATIONAL BANK & TRUST CO11.60KDec 31, 25-6670.02%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM4.36KDec 31, 25-8200.01%
Global Retirement Partners, LLC4.10KDec 31, 25+4.10K0.01%
COMERICA BANK2.33KDec 31, 25-1670.00%
CIBC Private Wealth Group, LLC75Dec 31, 25--0.00%
Sunbelt Securities, Inc.14Dec 31, 25-460.00%
Kent Lake PR LLC567.86KSep 30, 25+567.86K0.82%
Sonora Investment Management Group, LLC13.23KSep 30, 25--0.02%
Camber Capital Management LP900.00KJun 30, 25--1.31%
First Horizon Advisors, Inc.466Jun 30, 25--0.00%
Nebula Research & Development LLC--Jun 30, 25-68.75K--
Orion Portfolio Solutions, LLC108.14KMar 31, 25+46.97K0.16%
Nuveen Asset Management, LLC198.91KDec 31, 24--0.29%
BlackRock Inc.7.38MJun 30, 24-5.22M10.72%
CREDIT SUISSE AG/105.75KMar 31, 24+3.19K0.15%
Highlander Capital Management, LLC1.25KMar 31, 24--0.00%
Oracle Alpha Inc.--Mar 31, 24-10.64K--
PUTNAM INVESTMENTS LLC94.78KDec 31, 23-3.01K0.14%
Simplicity Solutions, LLC38.88KDec 31, 23-1.15K0.06%
ADVISOR PARTNERS II, LLC41.30KSep 30, 23-9620.06%
FIRST REPUBLIC INVESTMENT MANAGEMENT, INC.30.50KSep 30, 23-5.34K0.04%
PATHSTONE FAMILY OFFICE, LLC13.53KSep 30, 23+13.53K0.02%
FREEDOM WEALTH ALLIANCE, LLC--Sep 30, 23-25.23K--
ETF MANAGERS GROUP, LLC22.95KMar 31, 23+4.84K0.03%
Jefferies Group LLC39.12KSep 30, 22+39.12K0.06%
American Portfolios Advisors502Sep 30, 22--0.00%
WIPFLI FINANCIAL ADVISORS LLC,274Sep 30, 22+2740.00%
Hightower 6M Holding, LLC--Sep 30, 22-32.02K--
ADVISOR PARTNERS LLC34.05KJun 30, 22+16.63K0.05%
Corbenic Partners LLC650Jun 30, 22--0.00%
PARAMETRIC PORTFOLIO ASSOCIATES LLC144.53KMar 31, 22-40.25K0.21%
Amalgamated Financial Corp.32.02KMar 31, 22+32.02K0.05%
Marshall Wace North America L.P.255.21KSep 30, 21+255.21K0.37%
FIRST MERCANTILE TRUST CO--Sep 30, 21-4.35K--
WADDELL & REED FINANCIAL INC2.45MMar 31, 21-648.58K3.56%
Aperio Group, LLC63.83KDec 31, 20+13.38K0.09%
THB ASSET MANAGEMENT56.52KDec 31, 20+4270.08%
ETRADE Capital Management LLC83.28KSep 30, 20-5570.12%
BRINKER CAPITAL INC94.41KJun 30, 20+17.30K0.14%
DOMINI IMPACT INVESTMENTS LLC25.27KDec 31, 19-2.64K0.04%
Advisor Group, Inc.7.11KDec 31, 19+5.75K0.01%
LADENBURG THALMANN FINANCIAL SERVICES INC.322Dec 31, 19-3.43K0.00%
Flinton Capital Management LLC11.70KSep 30, 19--0.02%
RIVERHEAD CAPITAL MANAGEMENT LLC11.52KSep 30, 19--0.02%
Tyers Asset Management LLC9.63KSep 30, 19--0.01%
Neuburgh Advisers LLC7.57KSep 30, 19--0.01%
Meadow Creek Investment Management LLC5.50KSep 30, 19--0.01%
DARUMA CAPITAL MANAGEMENT LLC1.61MMar 31, 19-23.23K2.33%
TEACHERS ADVISORS, LLC988.92KMar 31, 19+66.69K1.44%
TIAA CREF INVESTMENT MANAGEMENT LLC407.41KMar 31, 19-6.07K0.59%
Jump Trading, LLC14.50KMar 31, 19+14.50K0.02%
SECOR Capital Advisors, LP13.27KMar 31, 19-20.94K0.02%
Alpha Quant Advisors, LLC595Mar 31, 19+5950.00%
Watermark Asset Management, Inc.250Dec 31, 18+2500.00%
Vantage Investment Advisors, LLC30Sep 30, 18--0.00%
COLUMBIA WANGER ASSET MANAGEMENT LLC376.17KDec 31, 17+54.59K0.55%
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC.63.96KDec 31, 17-86.81K0.09%
Acrospire Investment Management LLC--Sep 30, 17-3.78K--
Quotient Investors, LLC--Sep 30, 17-33.90K--
CAPSTONE ASSET MANAGEMENT CO30.09KJun 30, 17+30.09K0.04%
Independent Portfolio Consultants, Inc.995Jun 30, 17-2.55K0.00%
TFS CAPITAL LLC--Jun 30, 17-19.06K--
ARXIS SECURITIES LLC12.28KMar 31, 17+12.28K0.02%
Princeton Alpha Management LP--Mar 31, 17-22.33K--
BlackRock Fund Advisors1.96MDec 31, 16+136.51K2.85%
BLACKROCK ADVISORS LLC1.60MDec 31, 16-60.40K2.32%
BlackRock Institutional Trust Company, N.A.1.55MDec 31, 16-2.41K2.25%
BlackRock Investment Management, LLC215.66KDec 31, 16+570.31%
BlackRock Group LTD28.03KDec 31, 16+3.80K0.04%
Stanford Investment Group, Inc.175Dec 31, 16-2000.00%
Shinko Asset Management Co., Ltd.623.66KSep 30, 16-200.93K0.91%
Emerald Acquisition Ltd.311.69KSep 30, 16+250.31K0.45%
ANALYTIC INVESTORS, LLC132.43KSep 30, 16+132.43K0.19%
RUSSELL FRANK CO/98.52KMar 31, 16+76.97K0.14%
NATIONAL PENN INVESTORS TRUST CO /PA11.05KMar 31, 16--0.02%
Pinnacle Summer Investments, Inc.949Dec 31, 15--0.00%
BRYN MAWR CAPITAL MANAGEMENT INC--Dec 31, 15-84.94K--
BRYN MAWR CAPITAL MANAGEMENT INC84.94KSep 30, 15+3950.12%
Nair Vinay--Jun 30, 15-23.94K--
QS BATTERYMARCH FINANCIAL MANAGEMENT, INC486.42KSep 30, 14-59.45K0.71%
UBS AG7.27KSep 30, 14-4.62K0.01%
Wilmington Funds Management Corp33.88KJun 30, 14--0.05%
KMS FINANCIAL SERVICES, INC--Jun 30, 14-10.50K--
Jane Street Holding, LLC70.32KDec 31, 13+70.32K0.10%
NORTHERN TRUST CO OF CONNECTICUT--Dec 31, 13-42.49K--
ALLIED IRISH BANKS PLC--Sep 30, 13-35.00K--
KNIGHT CAPITAL GROUP LLC21.27KJun 30, 13+8.98K0.03%
Irish Life Investment Managers Ltd.3.51KJun 30, 13--0.01%
MANULIFE INVESTMENT MANAGEMENT (US) LLC26.95KMar 31, 13+6670.04%
Manulife Investment Management (North America) Ltd20.32KMar 31, 13+8110.03%
First Allied Securities, Inc.1.00KJun 30, 12--0.00%
RBC CMA LLC--Jun 30, 06-879--