Osi Systems Inc

OSIS

Exchange: Nasdaq
Industry: Semiconductors & Related Devices
SEC CIK: 0001039065

SEC filings (opens in a new tab)

No open-market purchases or sales by Osi Systems Inc insiders were filed in the last 90 days; 366 institutions reported holding it in 13F filings for Q2 2026, worth $4.14B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Osi Systems Inc as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 3; 0 vs. Q2 2026
Shares held: 9.22K; −1.45K (−13.5%) vs. Q2 2026
Total value: $1.79M; −$540.4K (−23.2%) vs. Q2 2026
New holders: 0; 1 more added
Sold out: 0; 2 more reduced

363 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OSIS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding OSIS and their total value by quarter
Quarter	Holders	Value
Q2 2026	366	$4.14B
Q1 2026	368	$5.00B
Q4 2025	358	$4.80B
Q3 2025	349	$4.66B
Q2 2025	339	$4.20B
Q1 2025	308	$3.76B
Q4 2024	307	$3.03B
Q3 2024	275	$2.51B
Q2 2024	265	$2.12B
Q1 2024	250	$2.17B
Q4 2023	227	$1.96B
Q3 2023	238	$1.77B
Q2 2023	210	$1.77B
Q1 2023	184	$1.54B
Q4 2022	190	$1.22B
Q3 2022	182	$1.09B
Q2 2022	186	$1.33B
Q1 2022	183	$1.36B
Q4 2021	194	$1.55B
Q3 2021	193	$1.61B
Q2 2021	189	$1.76B
Q1 2021	194	$1.64B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Osi Systems Inc; share changes are against Q2 2026.

Institutions holding OSIS in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Credit Agricole S A	–	–	–	–	Not filed
Bessemer Group Inc	–	–	–	–	Not filed
Wesbanco Bank Inc	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
Teachers Retirement System of the State of Kentucky	–	–	–	–	Not filed
Barclays PLC	–	–	–	–	Not filed
Warren Averett Asset Management, LLC	–	–	–	–	Not filed
Kennedy Capital Management, Inc.	–	–	–	–	Not filed
Allspring Global Investments Holdings, LLC	–	–	–	–	Not filed
Thrivent Financial for Lutherans	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
MetLife Investment Management	–	–	–	–	Not filed
Numerai GP LLC	–	–	–	–	Not filed
Cascade Investment Advisors, Inc.	–	–	–	–	Not filed
NorthCrest Asset Manangement, LLC	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
Level Four Advisory Services, LLC	–	–	–	–	Not filed
Toroso Investments, LLC	–	–	–	–	Not filed
SEI Investments Co	–	–	–	–	Not filed
Healthcare of Ontario Pension Plan Trust Fund	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
Illinois Municipal Retirement Fund	–	–	–	–	Not filed
Harbour Investments, Inc.	–	–	–	–	Not filed
Empowered Funds, LLC	–	–	–	–	Not filed
Advisor Group Holdings, Inc.	–	–	–	–	Not filed
Park Avenue Securities LLC	–	–	–	–	Not filed
Register Financial Advisors LLC	–	–	–	–	Not filed
Winton Group Ltd	–	–	–	–	Not filed
Erste Asset Management GmbH	–	–	–	–	Not filed
Oliver Luxxe Assets LLC	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Boothbay Fund Management, LLC	–	–	–	–	Not filed
Louisiana State Employees Retirement System	–	–	–	–	Not filed
Raymond James Financial Inc	–	–	–	–	Not filed
Franklin Resources Inc	–	–	–	–	Not filed
Handelsbanken Fonder AB	–	–	–	–	Not filed
Truist Financial Corp	–	–	–	–	Not filed
Vanguard Global Advisers, LLC	–	–	–	–	Not filed
Pathstone Holdings, LLC	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
State of New Jersey Common Pension Fund D	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
Balyasny Asset Management LLC	–	–	–	–	Not filed
Norges Bank	–	–	–	–	Not filed
Principal Securities, Inc.	–	–	–	–	Not filed
Equitable Holdings, Inc.	–	–	–	–	Not filed
State of Alaska, Department of Revenue	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
Two Sigma Investments, LP	–	–	–	–	Not filed
Benjamin Edwards Inc	–	–	–	–	Not filed
Pasadena Private Wealth, LLC	–	–	–	–	Not filed
The PNC Financial Services Group, Inc.	–	–	–	–	Not filed
Police & Firemen's Retirement System of New Jersey	–	–	–	–	Not filed
Victory Capital Management Inc	–	–	–	–	Not filed
State of Tennessee, Treasury Department	–	–	–	–	Not filed
Dynamic Technology Lab Private Ltd	–	–	–	–	Not filed
Concurrent Investment Advisors, LLC	–	–	–	–	Not filed
Arizona State Retirement System	–	–	–	–	Not filed
Federated Hermes, Inc.	–	–	–	–	Not filed
Amalgamated Bank	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
Yousif Capital Management, LLC	–	–	–	–	Not filed
Engineers Gate Manager LP	–	–	–	–	Not filed
Glenmede Trust Co NA	–	–	–	–	Not filed
Intech Investment Management LLC	–	–	–	–	Not filed
Campbell & CO Investment Adviser LLC	–	–	–	–	Not filed
Dark Forest Capital Management LP	–	–	–	–	Not filed
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	–	–	–	–	Not filed
Schroder Investment Management Group	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
KLP Kapitalforvaltning AS	–	–	–	–	Not filed
Oregon Public Employees Retirement Fund	–	–	–	–	Not filed
State Board of Administration of Florida Retirement System	–	–	–	–	Not filed
Legato Capital Management LLC	–	–	–	–	Not filed
TD Asset Management Inc	–	–	–	–	Not filed
Truvestments Capital LLC	–	–	–	–	Not filed
PEAK6 LLC	–	–	–	–	Not filed
North Star Investment Management Corp.	–	–	–	–	Not filed
Two Sigma Securities, LLC	–	–	–	–	Not filed
CWM Advisors, LLC	–	–	–	–	Not filed
Inceptionr LLC	–	–	–	–	Not filed
Blueshift Asset Management, LLC	–	–	–	–	Not filed
Assenagon Asset Management S.A.	–	–	–	–	Not filed
Marshall Wace, LLP	–	–	–	–	Not filed
Guggenheim Capital LLC	–	–	–	–	Not filed
Gotham Asset Management, LLC	–	–	–	–	Not filed
HighTower Advisors, LLC	–	–	–	–	Not filed
Pictet Asset Management Holding SA	–	–	–	–	Not filed
Oppenheimer & Co Inc	–	–	–	–	Not filed
Amundi	–	–	–	–	Not filed
Watershed Asset Management, L.L.C.	–	–	–	–	Not filed
Guidance Capital, Inc	–	–	–	–	Not filed
Brevan Howard Capital Management LP	–	–	–	–	Not filed
HSBC Holdings PLC	–	–	–	–	Not filed
Steel Peak Wealth Management LLC	–	–	–	–	Not filed
Ashton Thomas Private Wealth, LLC	–	–	–	–	Not filed
ProShare Advisors LLC	–	–	–	–	Not filed
Maryland State Retirement & Pension System	–	–	–	–	Not filed
USS Investment Management Ltd	–	–	–	–	Not filed