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
Harbour Capital Advisors, LLC	–	–	–	–	Not filed
Virginia Retirement Systems Et Al	–	–	–	–	Not filed
Virtu Financial LLC	–	–	–	–	Not filed
Susquehanna Portfolio Strategies, LLC	–	–	–	–	Not filed
Skylands Capital, LLC	–	–	–	–	Not filed
Quantbot Technologies LP	–	–	–	–	Not filed
Premier Fund Managers Ltd	–	–	–	–	Not filed
Public Employees Retirement Association of Colorado	–	–	–	–	Not filed
Pure Financial Advisors, Inc.	–	–	–	–	Not filed
Wiley Bros.-Aintree Capital, LLC	–	–	–	–	Not filed
Susquehanna International Group, LLP	–	–	–	–	Not filed
US Bancorp	–	–	–	–	Not filed
Jain Global LLC	–	–	–	–	Not filed
Fulton Bank, N.A.	–	–	–	–	Not filed
Brinker Capital Investments, LLC	–	–	–	–	Not filed
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management	–	–	–	–	Not filed
JustInvest LLC	–	–	–	–	Not filed
Mutual of America Capital Management LLC	–	–	–	–	Not filed
CIBC Bancorp USA Inc.	–	–	–	–	Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH	–	–	–	–	Not filed
Adviser Investments LLC	–	–	–	–	Not filed
Rockefeller Capital Management L.P.	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Quadrant Capital Group LLC	–	–	–	–	Not filed
Personal Cfo Solutions, LLC	–	–	–	–	Not filed
Xponance, Inc.	–	–	–	–	Not filed
Zions Bancorporation, National Association	–	–	–	–	Not filed
Atria Investments LLC	–	–	–	–	Not filed
M&T Bank Corp	–	–	–	–	Not filed
Bank of Montreal	–	–	–	–	Not filed
Pensionmark Financial Group, LLC	–	–	–	–	Not filed
Gateway Wealth Partners, LLC	–	–	–	–	Not filed
Global Retirement Partners, LLC	–	–	–	–	Not filed
Ameritas Investment Partners, Inc.	–	–	–	–	Not filed
Everence Capital Management Inc	–	–	–	–	Not filed
Sanctuary Advisors, LLC	–	–	–	–	Not filed
Contravisory Investment Management, Inc.	–	–	–	–	Not filed
EverSource Wealth Advisors, LLC	–	–	–	–	Not filed
Northwestern Mutual Wealth Management Co	–	–	–	–	Not filed
Cornerstone Investment Partners, LLC	–	–	–	–	Not filed
Allstate Corp	–	–	–	–	Not filed
Assetmark, Inc	–	–	–	–	Not filed
Sequoia Financial Advisors, LLC	–	–	–	–	Not filed
SBI Okasan Asset Management Co.Ltd.	–	–	–	–	Not filed
Delta Global Management LP	–	–	–	–	Not filed
Swiss Life Asset Management Ltd	–	–	–	–	Not filed
State of Wyoming	–	–	–	–	Not filed
Fieldview Capital Management, LLC	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
Wedbush Securities Inc	–	–	–	–	Not filed
Hancock Whitney Corp	–	–	–	–	Not filed
Virtus ETF Advisers LLC	–	–	–	–	Not filed
O'Shaughnessy Asset Management, LLC	–	–	–	–	Not filed
Ensign Peak Advisors, Inc	–	–	–	–	Not filed
Cim Investment Mangement Inc	–	–	–	–	Not filed
Graham Capital Management, L.P.	–	–	–	–	Not filed
Mercer Global Advisors Inc	–	–	–	–	Not filed
Jane Street Group, LLC	–	–	–	–	Not filed
Captrust Financial Advisors	–	–	–	–	Not filed
Vestcor Inc	–	–	–	–	Not filed
Natixis	–	–	–	–	Not filed
Wealth Enhancement Advisory Services, LLC	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
New Age Alpha Advisors, LLC	–	–	–	–	Not filed
Tower Research Capital LLC (TRC)	–	–	–	–	Not filed
Nykredit A/S	–	–	–	–	Not filed
Liontrust Investment Partners LLP	–	–	–	–	Not filed
KBC Group NV	–	–	–	–	Not filed
Clearstead Advisors, LLC	–	–	–	–	Not filed
Central Trust Co	–	–	–	–	Not filed
Axxion S.A.	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed
Avanza Fonder AB	–	–	–	–	Not filed
Harbor Investment Advisory, LLC	–	–	–	–	Not filed
Bayforest Capital Ltd	–	–	–	–	Not filed
Parkside Financial Bank & Trust	–	–	–	–	Not filed
Freestone Grove Partners LP	–	–	–	–	Not filed
Nisa Investment Advisors, LLC	–	–	–	–	Not filed
GAMMA Investing LLC	–	–	–	–	Not filed
Signature Equity Partners, LLC	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
West Paces Advisors Inc.	–	–	–	–	Not filed
Keating Financial Advisory Services, Inc.	–	–	–	–	Not filed
SRS Capital Advisors, Inc.	–	–	–	–	Not filed
Public Employees Retirement System of Ohio	–	–	–	–	Not filed
Salomon & Ludwin, LLC	–	–	–	–	Not filed
SBI Securities Co., Ltd.	–	–	–	–	Not filed
FIL Ltd	–	–	–	–	Not filed
Transamerica Financial Advisors, Inc.	–	–	–	–	Not filed
Richardson Financial Services Inc.	–	–	–	–	Not filed
Kemnay Advisory Services Inc.	–	–	–	–	Not filed
Graticule Asia Macro Advisors LLC	–	–	–	–	Not filed
South State Corp.	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
Medallion Wealth Advisors, LLC	–	–	–	–	Not filed
Private Trust Co NA	–	–	–	–	Not filed
Acumen Wealth Advisors, LLC	–	–	–	–	Not filed
Continuum Advisory, LLC	–	–	–	–	Not filed
Abound Wealth Management	–	–	–	–	Not filed