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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; 365 institutions reported holding it in 13F filings for Q2 2026, worth $4.14B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Osi Systems Inc as of Dec 31, 2025. 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
358
+18 vs. Q3 2025
Shares held
18.8M
+242.6K (+1.3%) vs. Q3 2025
Total value
$4.80B
+$172.9M (+3.7%) vs. Q3 2025
New holders
63
132 more added
Sold out
45
108 more reduced

9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 358 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: 365 institutions
Value heldQ4 2025: $4.80B
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 2026365$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, Q4 2025

Shares, value and share of portfolio for each institution holding Osi Systems Inc; share changes are against Q3 2025.

Institutions holding OSIS in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Greenline Wealth Management LLC49$12.5K0.01%+49New
Larson Financial Group LLC49$12.5K0.00%00.0%Unchanged
Matrix Trust Co43$11.0K0.00%+43New
WPG Advisers, LLC42$10.7K0.01%+5+13.5%Added
Cherry Tree Wealth Management, LLC40$10.2K0.00%00.0%Unchanged
Park Square Financial Group, LLC60$10.0K0.06%+22+57.9%Added
Harbor Capital Advisors, Inc.41$10.0K0.00%−1−2.4%Reduced
Allworth Financial LP38$9.69K0.00%+5+15.2%Added
Accent Capital Management, LLC38$9.69K0.00%00.0%Unchanged
Sound Income Strategies, LLC33$9.64K0.00%+33New
SageView Advisory Group, LLC34$8.67K0.00%+34New
Signature Equity Partners, LLC34$8.67K0.00%+34New
IFP Advisors, Inc33$8.42K0.00%00.0%Unchanged
Versant Capital Management, Inc33$8.42K0.00%+10+43.5%Added
Rothschild Investment LLC32$8.16K0.00%+2+6.7%Added
Bell Investment Advisors, Inc31$7.91K0.00%00.0%Unchanged
Brown Brothers Harriman & Co31$7.91K0.00%+31New
Parallel Advisors, LLC29$7.40K0.00%+2+7.4%Added
Strategic Wealth Partners, Ltd.25$6.38K0.00%00.0%Unchanged
MAI Capital Management24$6.12K0.00%00.0%Unchanged
Cornerstone Planning Group LLC18$4.88K0.00%−58−76.3%Reduced
Essential Partners LLC18$4.59K0.00%+1+5.9%Added
FWL Investment Management, LLC16$4.08K0.00%+16New
Geneos Wealth Management Inc.15$3.83K0.00%+15New
JFS Wealth Advisors, LLC14$3.57K0.00%+4+40.0%Added
High Note Wealth, LLC14$3.57K0.00%+5+55.6%Added
Farmers & Merchants Investments Inc10$2.55K0.00%00.0%Unchanged
Signaturefd, LLC10$2.55K0.00%+9+900.0%Added
Cape Investment Advisory, Inc.10$2.55K0.00%+10New
Massmutual Trust Co FSB9$2.30K0.00%+4+80.0%Added
Federation des caisses Desjardins du Quebec8$2.04K0.00%00.0%Unchanged
Aventura Private Wealth, LLC8$2.04K0.00%00.0%Unchanged
Carolina Wealth Advisors, LLC8$2.04K0.00%+8New
Valley National Advisers Inc11$2.00K0.00%00.0%Unchanged
Sunbelt Securities, Inc.6$1.53K0.00%00.0%Unchanged
Triumph Capital Management6$1.53K0.00%+6New
Bare Financial Services, Inc6$1.53K0.00%+6New
Torren Management, LLC6$1.53K0.00%+6New
True Wealth Design, LLC5$1.28K0.00%00.0%Unchanged
Fortitude Family Office, LLC5$1.27K0.00%−1−16.7%Reduced
Rossby Financial, LCC5$1.27K0.00%00.0%Unchanged
Ankerstar Wealth, LLC5$1.27K0.00%+5New
UMA Financial Services, Inc.4$1.02K0.00%−2−33.3%Reduced
Annis Gardner Whiting Capital Advisors, LLC4$1.02K0.00%00.0%Unchanged
International Assets Investment Management, LLC4$1.02K0.00%+4New
DiNuzzo Private Wealth, Inc.3$7660.00%00.0%Unchanged
Bruce G. Allen Investments, LLC3$7650.00%00.0%Unchanged
SJS Investment Consulting Inc.2$5110.00%00.0%Unchanged
HFM Investment Advisors, LLC2$5110.00%00.0%Unchanged
Rialto Wealth Management, LLC2$5110.00%+1+100.0%Added
Flagship Harbor Advisors, LLC2$5100.00%+2New
Retirement Wealth Solutions LLC1$2560.00%−2−66.7%Reduced
TFC Financial Management1$2560.00%00.0%Unchanged
Gilpin Wealth Management, LLC1$2560.00%+1New
Bay Harbor Wealth Management, LLC1$2550.00%00.0%Unchanged
TD Capital Management LLC1$2550.00%+1New
Cedar Mountain Advisors, LLC1$2550.00%+1New
Hughes Financial Services, LLC1$2550.00%+1New
Covestor Ltd0$00.00%−44−100.0%Sold out
Macquarie Group Ltd0$00.00%−209,220−100.0%Sold out
Two Sigma Investments, LP0$00.00%−59,065−100.0%Sold out
Marshall Wace, LLP0$00.00%−27,083−100.0%Sold out
Trexquant Investment LP0$00.00%−26,224−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−21,619−100.0%Sold out
Squarepoint Ops LLC0$00.00%−20,373−100.0%Sold out
SG Capital Management LLC0$00.00%−13,764−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−6,954−100.0%Sold out
Engineers Gate Manager LP0$00.00%−5,870−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−5,057−100.0%Sold out
NJ State Employees Deferred Compensation Plan0$00.00%−4,500−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−4,463−100.0%Sold out
Twinbeech Capital LP0$00.00%−3,248−100.0%Sold out
Steel Peak Wealth Management LLC0$00.00%−3,220−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−2,651−100.0%Sold out
Semanteon Capital Management, LP0$00.00%−2,295−100.0%Sold out
Entropy Technologies, LP0$00.00%−2,252−100.0%Sold out
DRW Securities, LLC0$00.00%−2,085−100.0%Sold out
Skylands Capital, LLC0$00.00%−1,650−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−1,499−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−1,415−100.0%Sold out
Massar Capital Management, LP0$00.00%−1,265−100.0%Sold out
Algert Global LLC0$00.00%−1,110−100.0%Sold out
QRG Capital Management, Inc.0$00.00%−1,078−100.0%Sold out
Hilltop Holdings Inc.0$00.00%−1,062−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,035−100.0%Sold out
Old Mission Capital LLC0$00.00%−994−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−859−100.0%Sold out
Versor Investments LP0$00.00%−831−100.0%Sold out
Fieldview Capital Management, LLC0$00.00%−821−100.0%Sold out
Optiver Holding B.V.0$00.00%−796−100.0%Sold out
Group One Trading, L.P.0$00.00%−511−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−136−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−122−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−52−100.0%Sold out
National Bank of Canada0$00.00%−52−100.0%Sold out
Dakota Community Bank & Trust NA0$00.00%−47−100.0%Sold out
Quarry LP0$00.00%−34−100.0%Sold out
TD Waterhouse Canada Inc.0$00.00%−25−100.0%Sold out
Tortoise Investment Management, LLC0$00.00%−23−100.0%Sold out
Montag A & Associates Inc0$00.00%−4−100.0%Sold out