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Livermore
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Osi Systems Inc

OSIS
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001039065

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, Q1 2026

Institutional positions in Osi Systems Inc as of Mar 31, 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

Institutional holders
368
+17 vs. Q4 2025
Shares held
18.9M
+2.17M (+13.0%) vs. Q4 2025
Total value
$5.00B
+$745.6M (+17.5%) vs. Q4 2025
New holders
50
124 more added
Sold out
33
143 more reduced

7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 368 institutions
Q1 2021: 194 institutionsQ2 2021: 189 institutionsQ3 2021: 193 institutionsQ4 2021: 194 institutionsQ1 2022: 183 institutionsQ2 2022: 186 institutionsQ3 2022: 182 institutionsQ4 2022: 190 institutionsQ1 2023: 184 institutionsQ2 2023: 210 institutionsQ3 2023: 238 institutionsQ4 2023: 227 institutionsQ1 2024: 250 institutionsQ2 2024: 265 institutionsQ3 2024: 275 institutionsQ4 2024: 307 institutionsQ1 2025: 308 institutionsQ2 2025: 339 institutionsQ3 2025: 349 institutionsQ4 2025: 358 institutionsQ1 2026: 368 institutionsQ2 2026: 366 institutions
Value heldQ1 2026: $5.00B
Q1 2021: $1.64BQ2 2021: $1.76BQ3 2021: $1.61BQ4 2021: $1.55BQ1 2022: $1.36BQ2 2022: $1.33BQ3 2022: $1.09BQ4 2022: $1.22BQ1 2023: $1.54BQ2 2023: $1.77BQ3 2023: $1.77BQ4 2023: $1.96BQ1 2024: $2.17BQ2 2024: $2.12BQ3 2024: $2.51BQ4 2024: $3.03BQ1 2025: $3.76BQ2 2025: $4.20BQ3 2025: $4.66BQ4 2025: $4.80BQ1 2026: $5.00BQ2 2026: $4.14B
Institutions holding OSIS and their total value by quarter
QuarterHoldersValue
Q2 2026366$4.14B
Q1 2026368$5.00B
Q4 2025358$4.80B
Q3 2025349$4.66B
Q2 2025339$4.20B
Q1 2025308$3.76B
Q4 2024307$3.03B
Q3 2024275$2.51B
Q2 2024265$2.12B
Q1 2024250$2.17B
Q4 2023227$1.96B
Q3 2023238$1.77B
Q2 2023210$1.77B
Q1 2023184$1.54B
Q4 2022190$1.22B
Q3 2022182$1.09B
Q2 2022186$1.33B
Q1 2022183$1.36B
Q4 2021194$1.55B
Q3 2021193$1.61B
Q2 2021189$1.76B
Q1 2021194$1.64B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Osi Systems Inc; share changes are against Q4 2025.

Institutions holding OSIS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Quantbot Technologies LP120$31.9K0.00%−3,402−96.6%Reduced
RWM Asset Management, LLC115$30.5K0.00%+115New
Sterling Capital Management LLC102$27.1K0.00%−5−4.7%Reduced
Group One Trading, L.P.100$26.6K0.00%+100New
Smartleaf Asset Management LLC92$24.4K0.00%−197−68.2%Reduced
Private Trust Co NA91$24.2K0.00%−32−26.0%Reduced
South State Corp.90$23.9K0.00%00.0%Unchanged
Umb Bank N A89$23.6K0.00%+10+12.7%Added
Medallion Wealth Advisors, LLC84$22.3K0.01%00.0%Unchanged
Abound Wealth Management78$20.7K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.76$20.2K0.00%+1+1.3%Added
Acumen Wealth Advisors, LLC72$19.1K0.01%−6−7.7%Reduced
Clark Wealth Partners69$18.3K0.01%+69New
NBC Securities, Inc.69$18.3K0.00%−7−9.2%Reduced
Root Financial Partners, LLC69$18.3K0.00%+13+23.2%Added
Harbor Capital Advisors, Inc.63$17.0K0.00%+22+53.7%Added
Twin Peaks Wealth Advisors, LLC58$15.4K0.00%+58New
Larson Financial Group LLC52$13.8K0.00%+3+6.1%Added
Cedar Mountain Advisors, LLC45$11.9K0.00%+44+4,400.0%Added
Cherry Tree Wealth Management, LLC40$10.6K0.00%00.0%Unchanged
Accent Capital Management, LLC38$10.1K0.00%00.0%Unchanged
Rothschild Investment LLC38$10.1K0.00%+6+18.8%Added
WPG Advisers, LLC37$9.82K0.01%−5−11.9%Reduced
Allworth Financial LP34$9.03K0.00%−4−10.5%Reduced
IFP Advisors, Inc33$8.76K0.00%00.0%Unchanged
Versant Capital Management, Inc33$8.76K0.00%00.0%Unchanged
Parallel Advisors, LLC33$8.76K0.00%+4+13.8%Added
Sound Income Strategies, LLC33$8.70K0.00%00.0%Unchanged
Signature Equity Partners, LLC32$8.50K0.00%−2−5.9%Reduced
Brown Brothers Harriman & Co31$8.23K0.00%00.0%Unchanged
Bell Investment Advisors, Inc31$8.23K0.00%00.0%Unchanged
Brown, Lisle/Cummings, Inc.30$7.96K0.00%+30New
Elequin Capital LP28$7.43K0.00%−42−60.0%Reduced
Strategic Wealth Partners, Ltd.25$6.64K0.00%00.0%Unchanged
Signaturefd, LLC23$6.11K0.00%+13+130.0%Added
Essential Partners LLC18$4.78K0.00%00.0%Unchanged
CVA Family Office, LLC18$4.78K0.00%+18New
Cornerstone Planning Group LLC18$4.23K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC14$3.72K0.00%00.0%Unchanged
Park Square Financial Group, LLC13$3.45K0.03%−47−78.3%Reduced
Massmutual Trust Co FSB11$2.92K0.00%+2+22.2%Added
Fortitude Family Office, LLC11$2.92K0.00%+6+120.0%Added
Farmers & Merchants Investments Inc9$2.39K0.00%−1−10.0%Reduced
High Note Wealth, LLC8$2.12K0.00%−6−42.9%Reduced
Aventura Private Wealth, LLC8$2.12K0.00%00.0%Unchanged
Valley National Advisers Inc11$2.00K0.00%00.0%Unchanged
MAI Capital Management7$1.86K0.00%−17−70.8%Reduced
Sunbelt Securities, Inc.6$1.59K0.00%00.0%Unchanged
Triumph Capital Management6$1.59K0.00%00.0%Unchanged
Bare Financial Services, Inc6$1.59K0.00%00.0%Unchanged
True Wealth Design, LLC5$1.33K0.00%00.0%Unchanged
Ankerstar Wealth, LLC5$1.33K0.00%00.0%Unchanged
Rossby Financial, LCC5$1.32K0.00%00.0%Unchanged
UMA Financial Services, Inc.4$1.06K0.00%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC4$1.06K0.00%00.0%Unchanged
International Assets Investment Management, LLC4$1.05K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.3$7970.00%00.0%Unchanged
Bruce G. Allen Investments, LLC3$7970.00%00.0%Unchanged
SJS Investment Consulting Inc.3$7970.00%+1+50.0%Added
Rialto Wealth Management, LLC2$5320.00%00.0%Unchanged
Gilpin Wealth Management, LLC2$5320.00%+1+100.0%Added
HFM Investment Advisors, LLC2$5310.00%00.0%Unchanged
Hughes Financial Services, LLC2$5310.00%+1+100.0%Added
TFC Financial Management1$2660.00%00.0%Unchanged
Vermillion Wealth Management, Inc.1$2660.00%+1New
Prestige Wealth Management Group LLC1$2660.00%+1New
Bay Harbor Wealth Management, LLC1$2650.00%00.0%Unchanged
Avion Wealth2$00.00%+2New
Jane Street Group, LLC0$00.00%−24,386−100.0%Sold out
EAM Investors, LLC0$00.00%−15,075−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−13,738−100.0%Sold out
Park Avenue Securities LLC0$00.00%−7,430−100.0%Sold out
Verition Fund Management LLC0$00.00%−5,500−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−4,900−100.0%Sold out
Guggenheim Capital LLC0$00.00%−4,858−100.0%Sold out
Supplemental Annuity Collective Trust of NJ0$00.00%−4,200−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−3,786−100.0%Sold out
Oppenheimer & Co Inc0$00.00%−3,270−100.0%Sold out
Odyssean, LLC0$00.00%−2,746−100.0%Sold out
Quest Partners LLC0$00.00%−2,065−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−1,501−100.0%Sold out
Mackenzie Financial Corp0$00.00%−1,010−100.0%Sold out
Newbridge Financial Services Group, Inc.0$00.00%−1,026−100.0%Sold out
R Squared Ltd0$00.00%−926−100.0%Sold out
Headlands Technologies LLC0$00.00%−914−100.0%Sold out
Hutchens & Kramer Investment Management Group, LLC0$00.00%−877−100.0%Sold out
USA Financial Portformulas Corp0$00.00%−159−100.0%Sold out
Danske Bank A/S0$00.00%−100−100.0%Sold out
CGC Financial Services, LLC0$00.00%−100−100.0%Sold out
Greenline Wealth Management LLC0$00.00%−49−100.0%Sold out
Matrix Trust Co0$00.00%−43−100.0%Sold out
SageView Advisory Group, LLC0$00.00%−34−100.0%Sold out
FWL Investment Management, LLC0$00.00%−16−100.0%Sold out
Geneos Wealth Management Inc.0$00.00%−15−100.0%Sold out
Cape Investment Advisory, Inc.0$00.00%−10−100.0%Sold out
Carolina Wealth Advisors, LLC0$00.00%−8−100.0%Sold out
Federation des caisses Desjardins du Quebec0$00.00%−8−100.0%Sold out
Torren Management, LLC0$00.00%−6−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−2−100.0%Sold out
Retirement Wealth Solutions LLC0$00.00%−1−100.0%Sold out