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Disclosery

OSIS OSI SYSTEMS INC

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COM (common), issuer CIK 1039065

336 managers (341 13F filers) reported a position in OSIS shares at 2025-06-30, 18,680,451 shares in all. 58 filers opened a position and 25 filers sold out during the quarter.

Managers
336
13F filers
341
New
58
Added
117
Reduced
124
Sold out
25
Shares held by filers
18,680,451

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, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, 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.2,504,708$563M0.01%-54,62213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding2,113,709$475M+681Timeline
FMR LLCin group FMR LLC1,190,679$268M0.02%-4,52813F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson1,052,726$237M0.12%-182,23313F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding768,870$173M-356,269Timeline
Capital International Investorsin group Capital International Investo…674,343$152M0.03%013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP666,308$150M0.01%-60,34313F-HRTimelineGroup
Mawer Investment Management Ltd.512,656$115M0.58%+51,63413F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP449,410$101M0.02%-141,36413F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC381,128$85.7M0.01%+2,41913F-HRTimelineGroup
Hood River Capital Management LLC377,061$84.8M1.18%+3,90313F-HRTimeline
PRIMECAP MANAGEMENT CO/CA/321,420$72.3M0.06%-12,91013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.319,258$71.8M0.01%+73,00413F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/316,294$71.1M0.01%+19,55713F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC307,966$69.2M0.05%-22,04813F-HR/ATimelineGroup
Franklin Resourcesgroup of 2 filers holding264,887$59.6M-44,676Timeline
SYSTEMATIC FINANCIAL MANAGEMENT LP262,654$59.1M1.58%-1,34713F-HRTimeline
Clark Capital Management Group, Inc.251,050$56.5M0.39%-118,42313F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC224,523$50.5M0.05%new13F-HRTimelineGroup
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP223,442$50.2M0.06%-2,56013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY219,706$49.4M<0.01%+31,71713F-HRTimelineGroup
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD217,245$48.9M0.06%-14,35013F-HRTimelineGroup
BROWN ADVISORY INCin group BROWN ADVISORY INC216,771$48.7M0.06%-62,01913F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co214,263$48.2M0.01%+3,32713F-HRTimelineGroup
NEUMEIER POMA INVESTMENT COUNSEL LLC197,462$44.4M4.14%-46,51613F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP178,451$40.1M0.01%-1,81213F-HRTimelineGroup
T. Rowe Price Investment Management, In…145,146$32.6M0.02%-59,05913F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp138,014$31M0.01%+33,26313F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC130,526$29.4M<0.01%+24,85213F-HRTimelineGroup
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P129,311$29.1M0.04%+33,32013F-HRTimelineGroup
Thematics Asset Management112,583$25.3M1.14%-12,22313F-HRTimeline
Swedbank ABin group Swedbank AB110,000$24.7M0.03%13F-HRTimelineGroup
Nuveen, LLCin group TIAA109,020$24.5M0.01%+29,02613F-HRTimelineGroup
OBERWEIS ASSET MANAGEMENT INC/109,000$24.5M1.07%+8,60013F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding107,956$24.3M+5,451Timeline
Driehaus Capital Management LLC102,713$23.1M0.18%new13F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp98,252$22M0.02%+1,82513F-HR/ATimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC89,334$20.1M0.01%+4,99013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA74,834$16.8M<0.01%+64,57713F-HR/ATimelineGroup
LORD, ABBETT & CO. LLC63,407$14.3M0.05%-28,96513F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC60,489$13.6M0.01%new13F-HRTimelineGroup
Cubist Systematic Strategies, LLC60,373$13.6M0.15%new13F-HRTimeline
Trexquant Investment LP59,528$13.4M0.15%+41,44513F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO54,438$12.2M<0.01%+39,61613F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/54,112$12.2M<0.01%+42,12613F-HRTimeline
SG Capital Management LLC53,943$12.1M1.03%-172,04313F-HRTimeline
Prospect Capital Advisors, LLC53,485$12M7.24%-14013F-HRTimeline
Public Sector Pension Investment Board53,236$12M0.05%+3,65713F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …53,064$11.9M0.01%+8213F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS52,685$11.8M0.01%-6,61713F-HRTimelineGroup
Asset Management One Co., Ltd.52,548$11.8M0.04%013F-HRTimeline
Nicholas Investment Partners, LP51,228$11.5M1.03%-10,07713F-HRTimeline
Telemark Asset Management, LLC50,000$11.2M1.19%013F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC49,568$11.1M0.02%-59513F-HR/ATimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC48,178$10.8M0.02%+44,64313F-HRTimelineGroup
INTRINSIC EDGE CAPITAL MANAGEMENT LLC45,855$10.3M1.56%-62,53613F-HRTimeline
RHUMBLINE ADVISERS45,755$10.3M0.01%+52113F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc44,587$10M<0.01%+1,14413F-HRTimelineGroup
PDT Partners, LLC42,104$9.47M0.54%+15,10813F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP39,198$8.81M0.01%-8,47413F-HRTimelineGroup
AXIOM INVESTORS LLC /DE37,578$8.45M0.07%-67413F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC36,949$8.31M<0.01%-66,90013F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC36,050$8.11M<0.01%+9,69613F-HR/ATimelineGroup
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC34,700$7.8M0.03%+2,41013F-HRTimeline
Bridge City Capital, LLC33,882$7.62M2.14%-9,58113F-HRTimeline
GHP Investment Advisors, Inc.32,126$7.22M0.32%+49813F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.32,046$7.21M0.02%+13,99613F-HRTimelineGroup
Swiss National Bank30,500$6.86M<0.01%-30013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.32,688$6.52M0.01%+26,37913F-HR/ATimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP28,448$6.4M0.01%new13F-HRTimelineGroup
TWINBEECH CAPITAL LP27,760$6.24M0.14%new13F-HRTimeline
Moody Aldrich Partners LLC26,245$5.9M1.14%-4,26713F-HRTimeline
HRT FINANCIAL LP25,716$5.78M0.03%+10,90513F-HRTimeline
Informed Momentum Co LLC25,442$5.72M0.87%+99013F-HRTimeline
Global IMC LLC25,221$5.67M1.47%-913F-HRTimeline
Atom Investors LP24,295$5.46M0.48%-13,98413F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…23,200$5.22M0.01%-6,90013F-HRTimelineGroup
AXA S.A.in group AXA S.A.23,198$5.22M0.01%-29813F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …23,083$5.19M0.01%+11,78213F-HRTimelineGroup
Oliver Luxxe Assets LLC22,984$5.17M0.92%+10613F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding21,724$4.88M-1,297Timeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP21,000$4.72M0.01%-23,86413F-HRTimelineGroup
Trek Financial, LLC20,934$4.71M0.32%new13F-HRTimeline
CITIGROUP INCin group CITIGROUP INC20,925$4.71M<0.01%-6,87713F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …20,509$4.65M0.01%-13,14913F-HRTimelineGroup
Stanley-Laman Group, Ltd.20,488$4.61M0.68%-5,84113F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND19,854$4.46M0.01%-2,25013F-HR/ATimeline
Advisors Asset Management, Inc.19,629$4.41M0.08%+3,29513F-HR/ATimeline
Engineers Gate Manager LP19,559$4.4M0.05%+18,47413F-HRTimeline
ALLIANCEBERNSTEIN L.P.18,508$4.16M<0.01%+16913F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC18,327$4.12M<0.01%-28,58013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO18,293$4.11M<0.01%+1,58713F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP17,208$3.87M0.01%-9213F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC16,853$3.79M<0.01%+5,19713F-HRTimelineGroup
CHATHAM CAPITAL GROUP, INC.16,700$3.76M0.57%-7513F-HRTimeline
LPL Financial LLC16,084$3.62M<0.01%+60513F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC15,985$3.59M<0.01%-2,05013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…15,795$3.55M<0.01%+7713F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN15,036$3.38M<0.01%-3,54213F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC15,013$3.38M0.06%-2,67213F-HRTimeline
Assenagon Asset Management S.A.14,638$3.29M0.01%-39113F-HRTimeline
Manatuck Hill Partners, LLC14,300$3.22M1.21%-3,60013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\13,894$3.12M<0.01%-3,82213F-HRTimelineGroup
MML INVESTORS SERVICES, LLC13,736$3.09M0.01%+91613F-HRTimeline
Legato Capital Management LLC13,584$3.05M0.36%-2,63013F-HRTimeline
NORGES BANK13,450$3.02M<0.01%-13,34613F-HRTimeline
WESBANCO BANK INC13,427$3.02M0.09%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co13,385$3.01M<0.01%-51113F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…12,903$2.9M0.01%+10013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD12,681$2.85M0.01%-1,54413F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.12,499$2.81M<0.01%-20013F-HRTimelineGroup
Livforsakringsbolaget Skandia, Omsesidi…11,700$2.63M0.11%+2,10013F-HR/ATimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…11,481$2.58M0.01%+613F-HR/ATimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC16,322$2.53M<0.01%+1,01613F-HRTimelineGroup
Skylands Capital, LLC11,250$2.53M0.37%-4,69113F-HRTimeline
WOLVERINE TRADING, LLC10,470$2.35M0.06%+2,51513F-HRTimeline
CSS LLC/IL10,296$2.32M0.15%+82013F-HRTimeline
Quantbot Technologies LP10,253$2.31M0.06%new13F-HRTimeline
Cetera Investment Advisers10,138$2.28M<0.01%-76613F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC9,824$2.21M<0.01%-1,11913F-HRTimelineGroup
Register Financial Advisors LLC9,720$2.19M0.95%-3,02513F-HRTimeline
Cascade Investment Advisors, Inc.9,588$2.16M1.38%-97513F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…9,509$2.14M0.01%+24213F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP9,500$2.14M<0.01%+10613F-HRTimelineGroup
State of Alaska, Department of Revenue9,298$2.09M0.02%+64113F-HRTimeline
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC10,597$2.07M0.01%new13F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC9,178$2.06M0.02%-5513F-HRTimeline
Y-Intercept (Hong Kong) Ltd8,806$1.98M0.05%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.8,590$1.93M0.05%+8,57813F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC8,370$1.88M<0.01%+2,46013F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …8,346$1.88M<0.01%-40113F-HRTimelineGroup
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…8,236$1.85M0.01%-1,38213F-HRTimelineGroup
COMERICA BANK8,224$1.85M0.01%-55713F-HRTimeline
Jackson Creek Investment Advisors LLC7,908$1.78M0.48%-1,83313F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC7,905$1.78M0.04%-5,76313F-HRTimeline
Illinois Municipal Retirement Fund7,709$1.73M0.02%-1,13713F-HRTimeline
FIL Ltdin group FIL Ltd7,397$1.66M<0.01%-80413F-HRTimelineGroup
Creative Planningin group Creative Planning7,332$1.65M<0.01%+1,94113F-HRTimelineGroup
Louisiana State Employees Retirement Sy…7,300$1.64M0.03%-10013F-HRTimeline
Aquatic Capital Management LLC7,137$1.6M0.03%+4,96413F-HRTimeline
LEVEL FOUR ADVISORY SERVICES, LLCin group LEVEL FOUR ADVISORY SERVICES,…6,929$1.56M0.06%-51313F-HRTimelineGroup
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC6,787$1.53M0.01%+6513F-HRTimelineGroup
Verition Fund Management LLC6,770$1.52M0.01%+3,58913F-HRTimeline
Ensign Peak Advisors, Inc6,623$1.49M<0.01%-1,55013F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management6,465$1.45M<0.01%-98,77113F-HRTimelineGroup
NorthCrest Asset Manangement, LLC6,189$1.44M0.04%-3,49513F-HRTimeline
Dynamic Technology Lab Private Ltd6,020$1.35M0.18%new13F-HRTimeline
BRANT POINT INVESTMENT MANAGEMENT LLC6,000$1.35M0.31%-6,84013F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP5,865$1.32M0.05%new13F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC5,827$1.31M0.01%+7713F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd5,378$1.21M0.05%new13F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…5,335$1.2M<0.01%+1,14313F-HRTimeline
Campbell & CO Investment Adviser LLC5,306$1.19M0.08%new13F-HRTimeline
COOKSON PEIRCE & CO INC5,285$1.19M0.05%new13F-HRTimeline
Supplemental Annuity Collective Trust o…5,000$1.12M0.32%013F-HRTimeline
Wakefield Asset Management LLLPin group Wakefield Asset Management LL…4,984$1.12M0.31%-2,03113F-HRTimelineGroup
CWM, LLCin group CWM, LLC4,974$1.12M<0.01%-34813F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,917$1.11M<0.01%+22913F-HRTimelineGroup
Lombard Odier Asset Management (USA) Co…4,893$1.1M0.28%new13F-HRTimeline
Pasadena Private Wealth, LLC4,829$1.09M0.19%013F-HRTimeline
Handelsbanken Fonder AB4,765$1.07M<0.01%-70013F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…4,732$1.06M0.01%-34413F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM4,640$1.04M0.01%+11413F-HRTimeline
Maryland State Retirement & Pension Sys…4,589$1.03M0.02%+3713F-HRTimeline
Bryce Point Capital, LLC4,549$1.02M0.87%+63613F-HRTimeline
NJ State Employees Deferred Compensatio…4,500$1.01M0.12%013F-HRTimeline
AMALGAMATED BANK4,451$1M0.01%013F-HRTimeline
Gotham Asset Management, LLC4,389$987K0.01%+1,29313F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…4,009$901K<0.01%+27013F-HRTimeline
Amundiin group Amundi3,823$874K<0.01%+3,81813F-HRTimelineGroup
State of Tennessee, Department of Treas…3,867$870K<0.01%013F-HRTimeline
Moran Wealth Management, LLC3,739$841K0.03%+95313F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP3,680$825K<0.01%013F-HRTimeline
Glenmede Investment Management, LP3,656$822K<0.01%13F-HRTimeline
Police & Firemen's Retirement System of…3,582$805K0.01%+12913F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND3,581$805K0.01%+3513F-HRTimeline
ProShare Advisors LLC3,573$803K<0.01%-16013F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…3,571$803K<0.01%+1,27913F-HRTimeline
GAMCO INVESTORS, INC. ET ALin group GAMCO Investors (Gabelli)3,564$801K0.01%new13F-HRTimelineGroup
Equitable Holdings, Inc.in group Equitable Holdings, Inc.3,503$788K0.01%new13F-HRTimelineGroup
North Star Investment Management Corp.3,500$787K0.05%013F-HRTimeline
SteelPeak Wealth, LLC3,399$764K0.03%-6313F-HRTimeline
GROUP ONE TRADING LLC3,354$754K0.02%new13F-HRTimeline
Premier Fund Managers Ltd3,310$741K0.03%-86413F-HRTimeline
OPPENHEIMER & CO INCin group OPPENHEIMER ASSET MANAGEMENT …3,223$725K0.01%new13F-HRTimelineGroup
KLP KAPITALFORVALTNING AS3,200$720K<0.01%013F-HRTimeline
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC3,154$709K0.01%+27413F-HRTimelineGroup
HighTower Advisors, LLC3,001$675K<0.01%+1713F-HRTimeline
Liontrust Investment Partners LLP2,967$667K0.01%-69113F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK2,955$665K<0.01%+54913F-HRTimelineGroup
BLAIR WILLIAM & CO/IL2,893$651K<0.01%new13F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/2,829$636K<0.01%+3313F-HRTimelineGroup
Walleye Capital LLCgroup of 2 filers holding2,742$617K+2,580Timeline
WINTON GROUP Ltdin group WINTON GROUP Ltd2,622$590K0.03%new13F-HRTimelineGroup
Truvestments Capital LLC2,589$582K0.12%-813F-HRTimeline
SG Americas Securities, LLC2,590$582K<0.01%new13F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC2,550$573K0.04%013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS2,436$548K<0.01%+11813F-HRTimeline
Vestcor Inc2,398$539K0.02%+1,56813F-HRTimeline
Yorktown Management & Research Co Inc2,270$510K0.49%new13F-HRTimeline