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OSI Systems (OSIS) Institutional Ownership

OSI Systems logo
$206.73 -11.36 (-5.21%)
As of 08/21/2026 04:00 PM Eastern
Compare

Institutional Ownership Changes (13F Filings) for OSI Systems (NASDAQ:OSIS)

Current
Institutional Ownership
Percentage
89.21%
Number of
Institutional Buyers
(last 12 months)
195
Total
Institutional Inflows
(last 12 months)
$891.58M
Number of
Institutional Sellers
(last 12 months)
129
Total
Institutional Outflows
(last 12 months)
$1.75B
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OSIS Institutional Buying and Selling by Quarter

OSI Systems Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/22/2026 Concurrent Investment Advisors LLC4,546$994K0.0%-4.7%0.028%
8/21/2026 Nykredit A S666$146K0.0%N/A0.004%
8/20/2026 Susquehanna Fundamental Investments LLC19,422$4.25M0.1%+707.9%0.118%
8/20/2026 Two Sigma Securities LLC3,099$678K0.1%+145.2%0.019%
8/20/2026 Benjamin Edwards Inc.4,880$1.07M0.0%+20.3%0.030%
8/20/2026 Wedbush Securities Inc.1,066$233K0.0%+10.9%0.006%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC452,547$98.97M0.0%+5.1%2.746%
8/19/2026 Van ECK Associates Corp199,636$43.66M0.0%+6.1%1.211%
8/19/2026 Hsbc Holdings PLC2,390$521K0.0%-5.9%0.014%
8/19/2026 Wellington Management Group LLP177,616$38.85M0.0%+89.4%1.078%
8/18/2026 Livforsakringsbolaget Skandia Omsesidigt12,900$2.82M0.1%N/A0.078%
8/18/2026 Empowered Funds LLC8,010$1.75M0.0%N/A0.049%
8/18/2026 Equitable Holdings Inc.5,119$1.12M0.0%N/A0.031%
8/18/2026 Public Employees Retirement System of Ohio160$35K0.0%N/A0.001%
8/17/2026 Pure Financial Advisors LLC2,000$437K0.0%N/A0.012%
8/17/2026 Transamerica Financial Advisors LLC117$26K0.0%N/A0.001%
8/17/2026 Bank of America Corp DE137,340$30.04M0.0%N/A0.833%
8/15/2026 Freestone Grove Partners LP301$66K0.0%N/A0.002%
8/15/2026 Jupiter Topco LLC905,925$198.13M0.1%N/A5.497%
8/14/2026 Hsbc Holdings PLC2,390$521K0.0%N/A0.015%
8/14/2026 Primecap Management Co. CA258,180$56.46M0.0%N/A1.567%
8/14/2026 PDT Partners LLC34,904$7.63M0.4%N/A0.212%
8/14/2026 Manatuck Hill Partners LLC33,300$7.28M2.4%N/A0.202%
8/14/2026 Legal & General Group Plc37,031$8.10M0.0%N/A0.225%
8/14/2026 The Manufacturers Life Insurance Company 8,153$1.78M0.0%N/A0.049%
8/13/2026 Sanctuary Advisors LLC1,416$310K0.0%N/A0.009%
8/13/2026 Neumeier Poma Investment Counsel LLC222,515$48.66B3.3%N/A1.350%
8/13/2026 PEAK6 LLC3,307$723K0.0%N/A0.020%
8/12/2026 Daiichi Life Insurance Co. Ltd.21,398$4.68M0.1%N/A0.130%
8/12/2026 Northwestern Mutual Wealth Management Co.1,328$290K0.0%N/A0.008%
8/12/2026 Quantbot Technologies LP2,070$453K0.0%N/A0.013%
8/12/2026 William Blair Investment Management LLC379,351$82.96M0.2%N/A2.302%
8/11/2026 Keating Financial Advisory Services Inc.180$39K0.0%N/A0.001%
8/11/2026 Pasadena Private Wealth LLC4,829$1.06M0.1%N/A0.029%
8/7/2026 Deutsche Bank AG21,267$4.65M0.0%N/A0.129%
8/6/2026 Global Retirement Partners LLC1,498$328K0.0%N/A0.009%
8/6/2026 State of Wyoming1,116$244K0.0%N/A0.007%
7/10/2026 Wedge Capital Management L L P NC13,052$2.85M0.0%+7.9%0.079%
7/10/2026 Handelsbanken Fonder AB6,365$1.39M0.0%+33.6%0.039%
7/10/2026 Fulton Bank N.A.1,866$408K0.0%N/A0.011%
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7/9/2026 Oliver Luxxe Assets LLC7,088$1.55M0.2%-56.2%0.043%
7/8/2026 Assenagon Asset Management S.A.2,845$622K0.0%-81.7%0.017%
7/7/2026 GAMMA Investing LLC242$53K0.0%-30.7%0.001%
7/7/2026 Harbor Investment Advisory LLC311$68K0.0%N/A0.002%
5/29/2026 Prospect Capital Advisors LLC49,485$13.14M7.2%-4.8%0.300%
5/26/2026 Glenmede Trust Co. NA3,350$889K0.0%+8.1%0.020%
5/22/2026 Segall Bryant & Hamill LLC47,909$12.72M0.2%N/A0.291%
5/21/2026 Argent Capital Management LLC19,877$5.28M0.2%N/A0.121%
5/21/2026 BankChampaign National Association923$245K0.2%N/A0.006%
5/20/2026 Liontrust Investment Partners LLP977$259K0.0%-23.9%0.006%
5/19/2026 Bank of America Corp DE266,375$70.73M0.0%-8.5%1.616%
5/19/2026Janus Henderson Group PLC772,314$205.06M0.1%+2.6%4.686%
5/18/2026 Amundi3,241$861K0.0%+19.6%0.020%
5/18/2026 EverSource Wealth Advisors LLC1,605$426K0.0%+8.8%0.010%
5/18/2026California State Teachers Retirement System18,670$4.96M0.0%+24.4%0.113%
5/18/2026 Royal Bank of Canada13,209$3.51M0.0%-5.1%0.080%
5/18/2026 Empowered Funds LLC7,922$2.10M0.0%N/A0.048%
5/16/2026 The Manufacturers Life Insurance Company7,338$1.95M0.0%-6.5%0.045%
5/16/2026 Quantinno Capital Management LP2,609$693K0.0%+9.9%0.016%
5/15/2026 Gateway Wealth Partners LLC1,760$467K0.0%N/A0.011%
5/15/2026 Themes Management Co LLC773$205K0.1%N/A0.005%
5/15/2026 Lombard Odier Asset Management USA Corp3,603$957K0.1%-58.9%0.022%
5/15/2026 Waverly Advisors LLC12,302$3.27M0.0%+1,283.8%0.075%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund13,264$3.52M0.0%+142.1%0.080%
5/14/2026 Dai ichi Life Insurance Company Ltd34,195$9.08M0.3%+47.4%0.207%
5/14/2026 Inceptionr LLC2,193$582K0.1%-16.0%0.013%
5/14/2026 Systematic Financial Management LP219,241$58.21M1.3%-6.0%1.330%
5/14/2026 Sei Investments Co.18,316$4.86M0.0%-6.2%0.111%
5/14/2026 Group One Trading LLC100$27K0.0%N/A0.001%
5/14/2026 State of Wyoming889$236K0.0%-7.2%0.005%
5/13/2026 Cetera Investment Advisers12,263$3.26M0.0%+0.7%0.074%
5/13/2026 First Trust Advisors LP39,612$10.52M0.0%-30.9%0.240%
5/7/2026 Dimensional Fund Advisors LP395,428$104.99M0.0%-2.8%2.400%
5/7/2026 Swiss National Bank31,900$8.47M0.0%+1.3%0.194%
5/7/2026 Hanseatic Management Services Inc.2,968$788K0.8%N/A0.018%
5/6/2026 Assetmark Inc.933$248K0.0%+25.9%0.006%
5/6/2026 SteelPeak Wealth LLC2,891$768K0.0%N/A0.018%
5/6/2026 Allspring Global Investments Holdings LLC8,626$2.27M0.0%-52.7%0.052%
5/5/2026 Illinois Municipal Retirement Fund8,295$2.20M0.0%-6.2%0.050%
5/5/2026 Livforsakringsbolaget Skandia Omsesidigt12,900$3.42M0.1%+10.3%0.078%
5/5/2026 Sanctuary Advisors LLC1,059$281K0.0%N/A0.006%
5/5/2026 Maryland State Retirement & Pension System2,254$598K0.0%-4.0%0.014%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management1,697$451K0.0%+24.7%0.010%
5/4/2026 Principal Financial Group Inc.102,417$27.19M0.0%+6.9%0.622%
5/1/2026 Commonwealth of Pennsylvania Public School Empls Retrmt SYS3,829$1.02M0.0%-3.1%0.023%
5/1/2026 Fifth Third Bancorp6,139$1.63M0.0%+4,850.8%0.037%
5/1/2026 Sequoia Financial Advisors LLC1,276$339K0.0%-16.2%0.008%
4/30/2026 Hsbc Holdings PLC2,539$677K0.0%+12.5%0.015%
4/30/2026 Personal CFO Solutions LLC1,614$429K0.1%+7.9%0.010%
4/30/2026 Oregon Public Employees Retirement Fund3,542$940K0.0%-1.9%0.022%
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4/29/2026 Swedbank AB117,740$31.26M0.0%+6.6%0.715%
4/28/2026 Abel Hall LLC1,113$296K0.1%+3.6%0.007%
4/28/2026 Praxis Investment Management Inc.1,451$385K0.0%-43.1%0.009%
4/27/2026 HB Wealth Management LLC1,045$277K0.0%+7.0%0.006%
4/27/2026 Moran Wealth Management LLC14,676$3.90M0.1%+244.1%0.089%
4/27/2026 New York State Teachers Retirement System11,796$3.13M0.0%-6.4%0.072%
4/24/2026 Severin Investments LLC1,741$462K0.4%-10.3%0.011%
4/23/2026 Inspire Investing LLC1,933$513K0.0%+6.3%0.012%
4/23/2026 North Star Investment Management Corp.3,100$823K0.0%-11.4%0.019%
4/22/2026 Pictet Asset Management Holding SA2,541$675K0.0%+8.4%0.015%


OSIS Institutional Ownership - Frequently Asked Questions

During the previous two years, 370 institutional investors and hedge funds held shares of OSI Systems. The most heavily invested institutionals were Neumeier Poma Investment Counsel LLC ($48.66B), Vanguard Group Inc. ($537.31M), Janus Henderson Group PLC ($205.06M), Mawer Investment Management Ltd. ($204.97M), Jupiter Topco LLC ($198.13M), State Street Corp ($149.83M), and FMR LLC ($141.97M).Learn more on OSI Systems' institutional investors.

89.21% of OSI Systems' stock is owned by institutional investors. Learn more on OSIS's institutional investor holdings.

Of the 314 institutional investors that purchased OSI Systems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Jupiter Topco LLC ($905.93K), Mawer Investment Management Ltd. ($856.38K), FMR LLC ($835.00K), Capital International Investors ($580.89K), William Blair Investment Management LLC ($570.68K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($563.87K), and Primecap Management Co. CA ($311.89K).

Institutional investors have bought a total of 3,830,441 shares in the last 24 months. This purchase volume represents approximately $891.58M in transactions.

Of the 129 institutional investors that sold OSI Systems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Franklin Resources Inc. ($5.46M), Janus Henderson Group PLC ($247.72K), Millennium Management LLC ($180.78K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($77.50K), Clearbridge Investments LLC ($59.50K), Brown Advisory Inc. ($58.70K), and Dimensional Fund Advisors LP ($53.98K).

Institutional investors have sold a total of 6,884,438 shares in the last 24 months. This volume of shares sold represents approximately $1.75B in transactions.


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Institutional ownership data for NASDAQ:OSIS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/22/2026. New 13F filings are added each quarter as they're published.
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