13F

Stock

Osi Systems Inc

OSIS · held by 401 managers

Reported value

$5.12B

Holders

401

+4 new · −0 exited

Holders’ est. mark

$10.9M

Price effect on 7 books still in the name

Largest holder

$674.8M

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.17M$674.8MHeld
Vanguard2.11M$537.3MHeld
Fidelity6.56M$430MHeld
Mawer Investment Management Ltd.803.6K$205MHeld
JANUS HENDERSON GROUP PLC752.6K$191.9MHeld
State Street8.46M$179.5MHeld
Capital International Investors674.3K$172MHeld
Linden Advisors LP114M$169.4MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC498.3K$127.1MHeld
Invesco Ltd.2.43M$111.4MHeld
GEODE CAPITAL MANAGEMENT, LLC411K$104.8MHeld
DIMENSIONAL FUND ADVISORS LP406.9K$103.8MHeld
Hood River Capital Management LLC379.4K$96.8MHeld
UBS Group AG316.2K$80.7MHeld
NEUBERGER BERMAN GROUP LLC300.8K$76.8MHeld
BANK OF AMERICA CORP /DE/291.3K$73M$46.4MAdded$3.64M
PRIMECAP MANAGEMENT CO/CA/267.7K$68.3MHeld
Clark Capital Management Group, Inc.266.1K$67.9MHeld
Driehaus Capital Management LLC235.8K$60.1MHeld
Alberta Investment Management Corp40M$59.6M$968.4KAdded$27.8M
SYSTEMATIC FINANCIAL MANAGEMENT LP233.3K$59.5MHeld
MORGAN STANLEY537.9K$57.3M−$37.3MCut−$7.88M
LOOMIS SAYLES & CO L P207.4K$52.9MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC202K$51.5MHeld
NEUMEIER POMA INVESTMENT COUNSEL LLC195.8K$49.9MHeld
JPMORGAN CHASE & CO8.13M$49.2MHeld
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC191.3K$48.8MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.189K$48.2MHeld
Clearbridge Investments, LLC185.1K$47.2MHeld
NORTHERN TRUST CORP171.3K$43.7MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.163.1K$41.5MHeld
VOYA INVESTMENT MANAGEMENT LLC24.4M$38.7MHeld
BROWN ADVISORY INC151.6K$38.7MHeld
BNP PARIBAS FINANCIAL MARKETS15.9M$35.5MHeld
Swedbank AB110.4K$28.2MHeld
GOLDMAN SACHS GROUP INC108.4K$27.6MHeld
Bank of New York Mellon Corp702.9K$26.8MHeld
OBERWEIS ASSET MANAGEMENT INC/101.4K$25.9MHeld
ENVESTNET ASSET MANAGEMENT INC96K$24.5MHeld
PRINCIPAL FINANCIAL GROUP INC95.8K$24.4MHeld
Asset Management One Co., Ltd.76.6K$20.3MHeld
Boston Partners77.1K$20MHeld
ABSOLUTE INVESTMENT ADVISERS, LLC12M$17.8MHeld
Nuveen, LLC69.2K$17.6MHeld
AXIOM INVESTORS LLC /DE66.8K$17MHeld
Nicholas Investment Partners, LP2.3M$15.7MHeld
Boussard & Gavaudan Investment Management LLP9.7K$14.9MHeld
CAMDEN ASSET MANAGEMENT L P /CA10M$14.8MHeld
FIRST TRUST ADVISORS LP57.3K$14.6MHeld
WELLS FARGO & COMPANY/MN1.25M$14.3MHeld
PUBLIC SECTOR PENSION INVESTMENT BOARD55.2K$14.1MHeld
Prospect Capital Advisors, LLC52K$13.3MHeld
TENOR CAPITAL MANAGEMENT Co., L.P.8.76M$13.1MHeld
WELLINGTON MANAGEMENT GROUP LLP49.9K$12.7MHeld
NORDEA INVESTMENT MANAGEMENT AB48.1K$12.6MHeld
KIM, LLC7.5M$11.2MHeld
MILLENNIUM MANAGEMENT LLC43.7K$11.2MHeld
RHUMBLINE ADVISERS43.3K$11MHeld
PDT Partners, LLC42.1K$10.7MHeld
Legal & General Group Plc41.5K$10.6MHeld
WOLVERINE ASSET MANAGEMENT LLC7.11M$10.6MHeld
ARISTEIA CAPITAL, L.L.C.7M$10.4MHeld
Portman Square Capital LLP7M$10.4MHeld
AMERICAN CENTURY COMPANIES INC40.3K$10.3MHeld
AMERIPRISE FINANCIAL INC40.1K$10.2MHeld
CITIGROUP INC35.5K$9.07MHeld
GHP Investment Advisors, Inc.33K$8.41MHeld
Swiss National Bank31.5K$8.03MHeld
BARCLAYS PLC31.4K$8M$173.2KAdded$583K
INTRINSIC EDGE CAPITAL MANAGEMENT LLC31.2K$7.95MHeld
Robeco Schweiz AG30.5K$7.79MHeld
Jain Global LLC5M$7.45MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH28.4K$7.23MHeld
First Eagle Investment Management, LLC26.6K$6.78MHeld
MACKAY SHIELDS LLC4.52M$6.71MHeld
LPL Financial LLC24.6K$6.27MHeld
JANE STREET GROUP, LLC24.4K$6.22MHeld
GABELLI FUNDS LLC4.15M$6.18MHeld
CREDIT AGRICOLE S A23.7K$6.05MHeld
PICTON MAHONEY ASSET MANAGEMENT4M$5.95MHeld
Dai-ichi Life Insurance Company, Ltd23.2K$5.92MHeld
Advisors Asset Management, Inc.22.5K$5.73MHeld
Bridge City Capital, LLC21.2K$5.41MHeld
Oliver Luxxe Assets LLC20.3K$5.18MHeld
SEI INVESTMENTS CO19.5K$4.98MHeld
Icahn Capital19.4K$4.96MHeld
ALLIANCEBERNSTEIN L.P.19.2K$4.9MHeld
Stanley-Laman Group, Ltd.19.1K$4.88MHeld
Moody Aldrich Partners LLC18.8K$4.78MHeld
SSI INVESTMENT MANAGEMENT LLC3.22M$4.78MHeld
Allspring Global Investments Holdings, LLC18.2K$4.66MHeld
TRUIST FINANCIAL CORP18.1K$4.63MHeld
Assenagon Asset Management S.A.17.9K$4.57MHeld
CHATHAM CAPITAL GROUP, INC.17.6K$4.48MHeld
STIFEL FINANCIAL CORP17.4K$4.44MHeld
NEW YORK STATE COMMON RETIREMENT FUND16.4K$4.18MHeld
DEUTSCHE BANK AG\16K$4.08MHeld
MML INVESTORS SERVICES, LLC30.8K$4.05MHeld
Informed Momentum Co LLC15.1K$3.85MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM15K$3.83MHeld
PRUDENTIAL FINANCIAL INC15K$3.81MHeld
Manatuck Hill Partners, LLC14.3K$3.65MHeld
ROYAL BANK OF CANADA13.9K$3.55MHeld
STATE OF WISCONSIN INVESTMENT BOARD13.8K$3.52MHeld
Jefferies Financial Group Inc.13.7K$3.5MHeld
Cetera Investment Advisers12.2K$3.1MHeld
Harvest Investment Services, LLC12K$3.06MHeld
Livforsakringsbolaget Skandia, Omsesidigt11.7K$2.98MHeld
WEDGE CAPITAL MANAGEMENT L L P/NC11.5K$2.93MHeld
NORGES BANK11.1K$2.83M$674.7KCut−$2.37M
RAYMOND JAMES FINANCIAL INC11K$2.82MHeld
Creative Planning10.9K$2.79MHeld
Legato Capital Management LLC10.8K$2.75MHeld
CANADA PENSION PLAN INVESTMENT BOARD10.6K$2.69MHeld
WESTWOOD HOLDINGS GROUP INC2.5M$2.5MHeld
OAK RIDGE INVESTMENTS LLC9.76K$2.49MHeld
NorthCrest Asset Manangement, LLC9.16K$2.49MHeld
FRANKLIN RESOURCES INC9.72K$2.48MHeld
Cascade Investment Advisors, Inc.9.36K$2.39MHeld
MetLife Investment Management, LLC8.92K$2.28MHeld
Illinois Municipal Retirement Fund8.84K$2.25MHeld
Lombard Odier Asset Management (USA) Corp8.78K$2.24MHeld
Gotham Asset Management, LLC8.76K$2.23MHeld
AGF MANAGEMENT LTD1.5M$2.22MHeld
HARBOUR INVESTMENTS, INC.8.63K$2.2MHeld
State of New Jersey Common Pension Fund D8.58K$2.19MHeld
WESBANCO BANK INC8.33K$2.12MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE7.85K$2MHeld
D. E. Shaw & Co., Inc.7.48K$1.91MHeld
INTECH INVESTMENT MANAGEMENT LLC7.44K$1.9MHeld
Louisiana State Employees Retirement System7.3K$1.86MHeld
LEVEL FOUR ADVISORY SERVICES, LLC7.19K$1.83MHeld
Register Financial Advisors LLC6.42K$1.64MHeld
Numerai GP LLC6.38K$1.63MHeld
OSAIC HOLDINGS, INC.6.36K$1.62MHeld
COMERICA BANK6.01K$1.53MHeld
Erste Asset Management GmbH5.58K$1.51MHeld
PRINCIPAL SECURITIES, INC.5.71K$1.46MHeld
PALISADE CAPITAL MANAGEMENT, LP969K$1.44MHeld
KENNEDY CAPITAL MANAGEMENT LLC5.59K$1.43MHeld
Verition Fund Management LLC5.5K$1.4MHeld
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND5.48K$1.4MHeld
BLAIR WILLIAM & CO/IL5.46K$1.39MHeld
FEDERATED HERMES, INC.5.42K$1.38MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)5.33K$1.36MHeld
Wakefield Asset Management LLLP5K$1.27MHeld
TWO SIGMA ADVISERS, LP4.9K$1.25MHeld
YOUSIF CAPITAL MANAGEMENT, LLC4.33K$1.25MHeld
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/4.87K$1.24MHeld
GUGGENHEIM CAPITAL LLC4.86K$1.24MHeld
Pasadena Private Wealth, LLC4.83K$1.23MHeld
PNC Financial Services Group, Inc.4.7K$1.2MHeld
FIL Ltd4.66K$1.19MHeld
VICTORY CAPITAL MANAGEMENT INC4.51K$1.15MHeld
ARIZONA STATE RETIREMENT SYSTEM4.47K$1.14MHeld
Concurrent Investment Advisors, LLC4.29K$1.09MHeld
Moran Wealth Management, LLC4.26K$1.09MHeld
Police & Firemen's Retirement System of New Jersey4.25K$1.08MHeld
Supplemental Annuity Collective Trust of NJ4.2K$1.07MHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS3.95K$1.01MHeld
SCHRODER INVESTMENT MANAGEMENT GROUP3.83K$1.01MHeld
BENJAMIN EDWARDS INC3.89K$992KHeld
TORONTO DOMINION BANK3.81K$970KHeld
Edgestream Partners, L.P.3.79K$965.7KHeld
OREGON PUBLIC EMPLOYEES RETIREMENT FUND3.61K$921KHeld
Quantbot Technologies LP3.52K$898.3KHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM3.52K$898.1KHeld
State of Tennessee, Department of Treasury3.58K$896.5KHeld
North Star Investment Management Corp.3.5K$892.7KHeld
KLP KAPITALFORVALTNING AS3.4K$867.2KHeld
OPPENHEIMER & CO INC3.27K$834KHeld
ProShare Advisors LLC3.15K$803.2KHeld
GLENMEDE TRUST CO NA3.1K$790.2KHeld
Truvestments Capital LLC3.06K$781.2KHeld
HighTower Advisors, LLC2.98K$761.4KHeld
Odyssean, LLC2.75K$700.4KHeld
Amundi2.71K$691KHeld
INCEPTIONR LLC2.61K$666KHeld
Mariner, LLC2.53K$642.8KHeld
Pathstone Holdings, LLC2.4K$612.7KHeld
Quantinno Capital Management LP2.37K$605.3KHeld
Maryland State Retirement & Pension System2.35K$598.6KHeld
Pictet Asset Management Holding SA2.35K$598.1KHeld
HSBC HOLDINGS PLC2.26K$577.7KHeld
Kohlberg Kravis Roberts & Co. L.P.375K$558KHeld
Susquehanna Portfolio Strategies, LLC2.08K$530.5KHeld
AlphaQuest LLC2.06K$526.7KHeld
Ameritas Advisory Services, LLC2.02K$514.2KHeld
Pure Financial Advisors, LLC2.01K$512.2KHeld
Severin Investments, LLC1.94K$494.7K$10.9KAdded$25.1K
BANK OF MONTREAL /CAN/1.92K$490KHeld
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC1.82K$465.2KHeld
Inspire Investing, LLC1.82K$463.7KHeld
Russell Investments Group, Ltd.1.81K$461.7KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC1.81K$441.3KHeld
Graham Capital Management, L.P.1.72K$439.7KHeld
Ashton Thomas Private Wealth, LLC1.72K$439.2KHeld
RWA WEALTH PARTNERS, LLC1.7K$433.6KHeld
Global Retirement Partners, LLC1.69K$429.8KHeld
Orion Porfolio Solutions, LLC1.66K$423.2KHeld
QUADRANT CAPITAL GROUP LLC1.65K$421.6KHeld
M&T Bank Corp1.62K$412.4KHeld
Sequoia Financial Advisors, LLC1.52K$388.5KHeld
WINTON GROUP Ltd1.52K$387.7KHeld
Kestra Advisory Services, LLC1.5K$382.8KHeld
PERSONAL CFO SOLUTIONS, LLC1.5K$381.6KHeld
EverSource Wealth Advisors, LLC1.48K$376.2KHeld
HANCOCK WHITNEY CORP1.44K$366KHeld
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC1.43K$364.2KHeld
Corient Private Wealth LLC1.39K$355.6KHeld
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management1.36K$347.1KHeld
Tidal Investments LLC1.35K$344.3KHeld
CONTRAVISORY INVESTMENT MANAGEMENT, INC.1.35K$344.1KHeld
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO1.34K$342.5KHeld
Ameritas Investment Partners, Inc.1.34K$341.8KHeld
VIRTUS ADVISERS, LLC55K$330.6K$7.52KAdded$7.52K
Farringdon Capital, Ltd.1.29K$328.8KHeld
Liontrust Investment Partners LLP1.28K$327.2KHeld
XPONANCE LLC1.28K$327KHeld
SBI Okasan Asset Management Co.Ltd.1.2K$324.2KHeld
Alessandra Capital Management, LLC1.26K$321.1KHeld
World Investment Advisors1.25K$318.1KHeld
Citadel1.23K$314.5KHeld
Vanguard Personalized Indexing Management, LLC1.23K$313KHeld
Round Rock Advisors LLC1.21K$309.4KHeld
Abel Hall, LLC1.07K$273.9KHeld
CIBC WORLD MARKETS CORP1.07K$273.7KHeld
Ensign Peak Advisors, Inc1.07K$273.7KHeld
Cornerstone Investment Partners, LLC1.05K$268.8KHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC1.05K$266.8KHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC508$265.4KHeld
MACKENZIE FINANCIAL CORP1.01K$265.1KHeld
Atria Investments, Inc1.03K$264KHeld
Newbridge Financial Services Group, Inc.1.03K$261.7KHeld
TEACHER RETIREMENT SYSTEM OF TEXAS1.01K$257.4KHeld
Rockefeller Capital Management L.P.980$250KHeld
HB Wealth Management, LLC977$249.2KHeld
EVERGREEN CAPITAL MANAGEMENT LLC965$246.1KHeld
State of Wyoming958$244.3KHeld
Tower Research Capital LLC (TRC)955$243.6KHeld
Avanza Fonder AB949$242.1KHeld
BankChampaign, National Association938$239.2KHeld
CIM INVESTMENT MANAGEMENT INC934$238.2KHeld
R Squared Ltd926$236.2KHeld
CAPTRUST FINANCIAL ADVISORS920$234.7KHeld
Headlands Technologies LLC914$233.1KHeld
Waverly Advisors, LLC889$226.7KHeld
FRED ALGER MANAGEMENT, LLC882$225KHeld
Hutchens & Kramer Investment Management Group, LLC877$223.7KHeld
US BANCORP \DE\872$222.4KHeld

Positions as of Q4 2025. 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.