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Disclosery

OSIS OSI SYSTEMS INC

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COM (common), issuer CIK 1039065

342 managers (349 13F filers) reported a position in OSIS shares at 2025-09-30, 18,695,654 shares in all. 53 filers opened a position and 42 filers sold out during the quarter.

Managers
342
13F filers
349
New
53
Added
108
Reduced
136
Sold out
42
Shares held by filers
18,695,654

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.2,504,256$624M0.01%-45213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding2,108,979$526M-4,730Timeline
FMR LLCin group FMR LLC1,090,269$272M0.01%-100,41013F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson1,000,291$249M0.11%-52,43513F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding866,837$216M+97,967Timeline
Mawer Investment Management Ltd.856,383$213M1.11%+343,72713F-HRTimeline
Capital International Investorsin group Capital International Investo…674,343$168M0.03%013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP665,892$166M0.01%-41613F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP419,469$105M0.02%-29,94113F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC394,271$98.3M0.01%+13,14313F-HRTimelineGroup
Hood River Capital Management LLC371,228$92.5M1.09%-5,83313F-HRTimeline
Invesco Ltd.in group Invesco Ltd.351,410$87.6M0.01%+32,15213F-HRTimelineGroup
PRIMECAP MANAGEMENT CO/CA/306,630$76.4M0.06%-14,79013F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC303,995$75.6M0.06%-3,97113F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/275,530$68.7M0.01%-40,76413F-HR/ATimelineGroup
MORGAN STANLEYin group MORGAN STANLEY261,591$65.2M<0.01%+41,88513F-HR/ATimelineGroup
Clark Capital Management Group, Inc.259,451$64.7M0.41%+8,40113F-HRTimeline
SYSTEMATIC FINANCIAL MANAGEMENT LP256,622$64M1.56%-6,03213F-HRTimeline
Franklin Resourcesgroup of 2 filers holding254,492$63.4M-10,395Timeline
PRICE T ROWE ASSOCIATES INC /MD/244,918$61M0.01%+190,80613F-HRTimeline
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P217,206$54.1M0.06%+87,89513F-HRTimelineGroup
BROWN ADVISORY INCin group BROWN ADVISORY INC210,309$52.4M0.07%-6,46213F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co209,997$52.3M0.01%-4,26613F-HRTimelineGroup
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD209,220$52.1M0.06%-8,02513F-HRTimelineGroup
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP205,506$51.2M0.05%-17,93613F-HRTimelineGroup
NEUMEIER POMA INVESTMENT COUNSEL LLC194,565$48.5M3.97%-2,89713F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP176,279$43.9M0.01%-2,17213F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…161,482$40.2M0.06%new13F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC151,542$37.8M0.01%+21,01613F-HRTimelineGroup
Driehaus Capital Management LLC147,054$36.7M0.26%+44,34113F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO130,276$32.5M<0.01%+75,83813F-HR/ATimelineGroup
Swedbank ABin group Swedbank AB111,230$27.7M0.03%+1,23013F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp109,834$27.4M<0.01%-28,18013F-HRTimelineGroup
Thematics Asset Management106,411$26.5M1.2%-6,17213F-HRTimeline
Nuveen, LLCin group TIAA106,251$26.5M0.01%-2,76913F-HRTimelineGroup
OBERWEIS ASSET MANAGEMENT INC/101,400$25.3M0.97%-7,60013F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp98,095$24.5M0.03%-15713F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC96,162$24M0.02%-128,36113F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC94,574$23.6M0.01%+5,24013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding93,567$23.3M-14,389Timeline
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding74,165$18.5M+45,717Timeline
Public Sector Pension Investment Board61,545$15.3M0.06%+8,30913F-HRTimeline
INTRINSIC EDGE CAPITAL MANAGEMENT LLC60,385$15.1M2.29%+14,53013F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …54,979$13.3M0.01%+1,91513F-HRTimelineGroup
LORD, ABBETT & CO. LLC52,629$13.1M0.04%-10,77813F-HRTimeline
Prospect Capital Advisors, LLC52,485$13.1M6.78%-1,00013F-HRTimeline
Asset Management One Co., Ltd.52,317$13M0.04%-23113F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA48,079$12M<0.01%-26,75513F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS46,607$11.6M0.01%-6,07813F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP46,606$11.6M0.01%+7,40813F-HRTimelineGroup
Nicholas Investment Partners, LP45,680$11.4M0.87%-5,54813F-HRTimeline
RHUMBLINE ADVISERS45,651$11.4M0.01%-10413F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc42,920$10.7M<0.01%-1,66713F-HRTimelineGroup
PDT Partners, LLC42,104$10.5M0.66%013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC38,303$9.55M<0.01%+1,35413F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC34,044$8.49M0.01%-14,13413F-HRTimelineGroup
GHP Investment Advisors, Inc.32,752$8.16M0.34%+62613F-HRTimeline
AXIOM INVESTORS LLC /DE32,207$8.03M0.06%-5,37113F-HRTimeline
Swiss National Bank30,900$7.7M<0.01%+40013F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…30,864$7.69M0.01%+7,66413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN30,156$7.52M<0.01%+15,12013F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC29,753$7.42M<0.01%-6,29713F-HR/ATimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC28,615$7.13M<0.01%+11,76213F-HRTimelineGroup
HRT FINANCIAL LP27,896$6.95M0.03%+2,18013F-HRTimeline
Edgestream Partners, L.P.27,789$6.93M0.2%+26,64213F-HRTimeline
Bridge City Capital, LLC27,684$6.9M1.84%-6,19813F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP27,083$6.75M0.01%+6,08313F-HRTimelineGroup
Trexquant Investment LP26,224$6.54M0.07%-33,30413F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.24,608$6.11M0.01%-8,08013F-HRTimelineGroup
Moody Aldrich Partners LLC23,712$5.91M1.12%-2,53313F-HRTimeline
Oliver Luxxe Assets LLC23,553$5.87M0.93%+56913F-HRTimeline
LPL Financial LLC22,816$5.69M<0.01%+6,73213F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.21,619$5.39M0.01%-10,42713F-HRTimelineGroup
Advisors Asset Management, Inc.21,466$5.35M0.09%+1,83713F-HR/ATimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC20,373$5.08M0.01%-29,19513F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC19,726$4.92M<0.01%+3,74113F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …18,939$4.72M0.01%-4,14413F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A18,092$4.51M0.01%13F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.17,965$4.48M<0.01%-54313F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP17,949$4.47M0.01%+74113F-HRTimelineGroup
Stanley-Laman Group, Ltd.17,547$4.37M0.62%-2,94113F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND17,517$4.37M0.01%-2,33713F-HRTimeline
Informed Momentum Co LLC17,440$4.28M0.49%-8,00213F-HRTimeline
CHATHAM CAPITAL GROUP, INC.17,135$4.27M0.61%+43513F-HRTimeline
Assenagon Asset Management S.A.16,611$4.14M0.01%+1,97313F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC15,940$3.97M<0.01%-38213F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD15,400$3.84M<0.01%new13F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\15,364$3.83M<0.01%+1,47013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…15,010$3.74M<0.01%-78513F-HRTimeline
Manatuck Hill Partners, LLC14,300$3.56M1.21%013F-HRTimeline
MML INVESTORS SERVICES, LLC14,098$3.51M0.01%+36213F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO14,078$3.51M<0.01%-4,21513F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC13,851$3.45M0.06%-1,16213F-HRTimeline
Numerai GP LLC13,820$3.44M0.49%new13F-HRTimeline
SG Capital Management LLC13,764$3.43M0.34%-40,17913F-HRTimeline
CITIGROUP INCin group CITIGROUP INC13,665$3.41M<0.01%-7,26013F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC13,629$3.4M<0.01%+3,80513F-HRTimelineGroup
WESBANCO BANK INC13,427$3.35M0.09%013F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…12,903$3.22M0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co13,481$3.21M<0.01%+9613F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD12,725$3.17M0.01%+4413F-HRTimeline
Harvest Investment Services, LLC12,286$3.06M0.62%new13F-HRTimeline
Cetera Investment Advisers12,088$3.01M<0.01%+1,95013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.11,999$2.99M<0.01%-50013F-HRTimelineGroup
Livforsakringsbolaget Skandia, Omsesidi…11,700$2.91M0.11%013F-HRTimeline
WOLVERINE TRADING, LLC12,168$2.9M0.06%+1,69813F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…11,385$2.84M0.01%-9613F-HRTimelineGroup
Legato Capital Management LLC11,316$2.82M0.31%-2,26813F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP10,478$2.61M<0.01%+97813F-HRTimelineGroup
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…9,762$2.43M0.01%+1,52613F-HRTimelineGroup
Cascade Investment Advisors, Inc.9,568$2.38M1.44%-2013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…9,305$2.32M0.01%-20413F-HRTimelineGroup
NorthCrest Asset Manangement, LLC9,155$2.28M0.05%+2,96613F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC9,156$2.28M<0.01%-51,33313F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC8,874$2.21M<0.01%+50413F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.8,628$2.15M0.05%+3813F-HRTimeline
Creative Planningin group Creative Planning8,476$2.11M<0.01%+1,14413F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …8,584$2.11M<0.01%-11,92513F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …8,159$2.03M<0.01%-18713F-HRTimelineGroup
Lombard Odier Asset Management (USA) Co…8,077$2.01M0.46%+3,18413F-HRTimeline
Illinois Municipal Retirement Fund7,960$1.98M0.03%+25113F-HRTimeline
State of Alaska, Department of Revenue7,941$1.98M0.02%-1,35713F-HRTimeline
Jackson Creek Investment Advisors LLC7,907$1.97M0.57%-113F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC7,885$1.97M0.02%-1,29313F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC7,634$1.9M0.04%-27113F-HRTimeline
LEVEL FOUR ADVISORY SERVICES, LLCin group LEVEL FOUR ADVISORY SERVICES,…7,401$1.84M0.06%+47213F-HRTimelineGroup
COMERICA BANK7,379$1.84M0.01%-84513F-HRTimeline
Louisiana State Employees Retirement Sy…7,300$1.82M0.03%013F-HRTimeline
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC7,145$1.78M0.01%+35813F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding7,137$1.78M-14,587Timeline
DARK FOREST CAPITAL MANAGEMENT LP6,954$1.73M0.07%+1,08913F-HR/ATimeline
Register Financial Advisors LLC6,820$1.7M0.67%-2,90013F-HRTimeline
Verition Fund Management LLC6,200$1.55M0.01%-57013F-HRTimeline
Engineers Gate Manager LP5,870$1.46M0.02%-13,68913F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…5,335$1.33M<0.01%013F-HRTimeline
Quantbot Technologies LP5,155$1.28M0.03%-5,09813F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…5,082$1.27M0.06%new13F-HRTimeline
Wakefield Asset Management LLLPin group Wakefield Asset Management LL…4,972$1.24M0.34%-1213F-HRTimelineGroup
YOUSIF CAPITAL MANAGEMENT, LLC4,888$1.22M0.01%-93913F-HRTimeline
BLAIR WILLIAM & CO/IL4,855$1.21M<0.01%+1,96213F-HRTimeline
Pasadena Private Wealth, LLC4,829$1.2M0.17%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,829$1.2M<0.01%-8813F-HRTimelineGroup
Handelsbanken Fonder AB4,765$1.19M<0.01%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM4,711$1.17M0.01%+7113F-HRTimeline
Gotham Asset Management, LLC4,696$1.17M0.01%+30713F-HRTimeline
AMALGAMATED BANK4,604$1.15M0.01%+15313F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC4,542$1.13M<0.01%-13,78513F-HRTimeline
CWM, LLCin group CWM, LLC4,527$1.13M<0.01%-44713F-HRTimelineGroup
FIL Ltdin group FIL Ltd4,517$1.13M<0.01%-2,88013F-HRTimelineGroup
Police & Firemen's Retirement System of…4,516$1.13M0.01%+93413F-HRTimeline
NJ State Employees Deferred Compensatio…4,500$1.12M0.12%013F-HRTimeline
State of Tennessee, Department of Treas…4,482$1.12M<0.01%+61513F-HRTimeline
TWO SIGMA SECURITIES, LLC4,463$1.11M0.16%new13F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…4,425$1.1M0.01%-30713F-HRTimeline
Supplemental Annuity Collective Trust o…4,200$1.05M0.28%-80013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…4,019$1M0.01%+1013F-HRTimeline
Amundiin group Amundi3,983$1M<0.01%+16013F-HRTimelineGroup
Moran Wealth Management, LLC3,938$982K0.03%+19913F-HRTimeline
SG Americas Securities, LLC3,921$977K<0.01%+1,33113F-HRTimeline
Ensign Peak Advisors, Inc3,773$940K<0.01%-2,85013F-HR/ATimeline
SCHRODER INVESTMENT MANAGEMENT GROUP3,828$911K<0.01%+14813F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK3,827$911K<0.01%+87213F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND3,581$893K0.01%013F-HRTimeline
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC3,525$879K0.01%+37113F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…3,521$878K<0.01%-5013F-HRTimeline
North Star Investment Management Corp.3,500$872K0.06%013F-HRTimeline
KLP KAPITALFORVALTNING AS3,500$872K<0.01%+30013F-HRTimeline
OPPENHEIMER & CO INCin group OPPENHEIMER ASSET MANAGEMENT …3,256$812K0.01%+3313F-HRTimelineGroup
TWINBEECH CAPITAL LP3,248$810K0.03%-24,51213F-HRTimeline
SteelPeak Wealth, LLC3,220$803K0.03%-17913F-HRTimeline
Glenmede Investment Management, LP3,174$791K<0.01%-48213F-HRTimeline
Premier Fund Managers Ltd3,310$788K0.03%013F-HRTimeline
HighTower Advisors, LLC3,048$760K<0.01%+4713F-HRTimeline
ProShare Advisors LLC3,017$752K<0.01%-55613F-HRTimeline
Liontrust Investment Partners LLP2,766$689K0.01%-20113F-HR/ATimeline
Truvestments Capital LLC2,726$679K0.12%+13713F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management2,651$661K<0.01%-3,81413F-HRTimelineGroup
PRAXIS INVESTMENT MANAGEMENT INC2,550$636K0.04%013F-HRTimeline
CIBC Bancorp USA Inc.group of 2 filers holding2,476$617K+1,718Timeline
Vestcor Inc2,398$598K0.02%013F-HRTimeline
AXA Investment Managers S.A.2,312$576K<0.01%13F-HRTimeline
Semanteon Capital Management, LP2,295$572K0.72%new13F-HRTimeline
Maryland State Retirement & Pension Sys…2,275$567K0.01%-2,31413F-HRTimeline
Entropy Technologies, LP2,252$561K0.04%new13F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS2,232$556K<0.01%-20413F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…2,145$535K<0.01%013F-HRTimelineGroup
DRW Securities, LLC2,085$518K0.03%new13F-HRTimeline
Quantinno Capital Management LP2,066$515K<0.01%+44713F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…2,030$506K<0.01%-7413F-HRTimeline
AlphaQuest LLC2,028$505K0.03%new13F-HRTimeline
Pure Financial Advisors, LLC2,008$500K0.01%-813F-HRTimeline
Orion Porfolio Solutions, LLC1,975$492K<0.01%-4213F-HRTimeline
Severin Investments, LLC1,884$470K0.42%+4813F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC1,851$461K0.04%+10413F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC1,810$451K<0.01%-2013F-HRTimeline
Ashton Thomas Private Wealth, LLC1,784$445K0.01%+32213F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…1,768$441K<0.01%-23813F-HRTimelineGroup
RWA WEALTH PARTNERS, LLC1,700$424K<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,653$412K0.01%013F-HRTimeline
Skylands Capital, LLC1,650$411K0.06%-9,60013F-HRTimeline