StockData
OSISNasdaqSemiconductors & Related DevicesFiscal year ends June 30

OSI SYSTEMS INC

Financials through Q4 FY2026, quarter ended Jun 30, 2026Last filing: 10-K on Aug 21, 2026
$193.97−1.01 (-0.52%)

Close on Oct 19, 2026

Market cap
$3.27B
P/E (TTM)
21.7
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
100.0%
19M of 16M shares
Institutional holders
362
61 new, 58 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 5 sales
Net sold $16.91M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
JANUS HENDERSON GROUP Ltd.905,9255.50%13G (passive)Jun 30, 2026
Vanguard Capital Management824,5105.00%13G (passive)Jun 30, 2026
BlackRock, Inc.2,389,82814.20%13G (passive) amendmentJun 30, 2025
Abigail P. Johnson2,084,41512.60%13G (passive) amendmentMar 31, 2026
FMR LLC1,784,21610.80%13G (passive) amendmentJun 30, 2026
Vanguard Portfolio Management1,263,4217.66%13G (passive)Mar 31, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of OSISValueChange% of portfolio
BlackRock, Inc.2,552,02716.01%$558.13M+22,4040.01%
FMR LLC1,738,16610.90%$380.14M−228,9220.02%
Vanguard Portfolio Management LLC1,272,0167.98%$278.19M+22,2680.01%
Jupiter Topco LLC905,9255.68%$198.13MNew0.08%
Vanguard Capital Management LLC703,0704.41%$153.76M+3,8170.00%
State Street Corp674,0534.23%$147.42M+11,9120.00%
Capital International Investors596,3313.74%$130.42M−23,1480.03%
Geode Capital Management, LLC463,7872.91%$101.45M+23,0640.01%
UBS Asset Management Americas Inc452,5472.84%$98.97M+21,9860.02%
Channing Capital Management, LLC432,8512.72%$94.66M+165,9672.18%
Hood River Capital Management LLC414,3042.60%$90.61M+42,2300.66%
Dimensional Fund Advisors LP414,0342.60%$90.54M+18,6060.02%
William Blair Investment Management, LLC379,3512.38%$82.96M+207,6840.25%
Neuberger Berman Group LLC324,7152.04%$70.86M+20,7920.05%
Price T Rowe Associates Inc /Md/314,7171.97%$68.83K+55,1720.01%
Millennium Management LLC298,4801.87%$65.28M+254,8700.02%
Invesco Ltd.263,2071.65%$57.56M−110,0670.00%
Primecap Management Co/Ca/258,1801.62%$56.46M+13,5200.03%
American Century Companies Inc223,1421.40%$48.80M+172,1480.02%
Neumeier Poma Investment Counsel LLC222,5151.40%$48.66M+31,0853.33%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202636219M100.0%61 / 128133 / 583M2M
Q1 202636819M100.0%50 / 123144 / 343M1M
Q4 202535819M100.0%63 / 131109 / 452M2M
Q3 202534919M100.0%57 / 107136 / 422M2M
Q2 202533919M100.0%63 / 116124 / 262M2M
Q1 202530819M100.0%55 / 97115 / 483M1M
Q4 202430718M100.0%63 / 10899 / 293M1M
Q3 202427517M100.0%34 / 10685 / 224M1M
Q2 202426516M98.3%42 / 9792 / 261M1M
Q1 202425016M98.7%46 / 65103 / 221M1M
Q4 202322716M98.9%29 / 7979 / 371M1M
Q3 202323715M94.6%37 / 7089 / 101M1M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of OSISValue% of fundAs of
iShares Core S&P Small-Cap ETF933,5225.86%$204.16M0.18%Jun 30, 2026
SMALLCAP World Fund Inc580,1373.64%$126.88M0.13%Jun 30, 2026
Vanguard Total Stock Market Index Fund496,4723.11%$108.58M0.00%Jun 30, 2026
iShares Russell 2000 ETF415,5702.61%$90.89M0.11%Jun 30, 2026
Janus Henderson Triton Fund412,3152.59%$90.17M1.52%Jun 30, 2026
Vanguard Information Technology Index Fund400,4152.51%$86.79M0.05%May 31, 2026
Vanguard Small-Cap Index Fund359,2662.25%$78.57M0.04%Jun 30, 2026
Hood River Small-Cap Growth Fund275,1111.73%$60.17M0.90%Jun 30, 2026
Fidelity Small Cap Growth Fund267,0421.68%$59.12M0.67%Jul 31, 2026
Janus Henderson Venture Fund262,9771.65%$57.51M1.59%Jun 30, 2026
Fidelity Small Cap Value Fund261,4001.64%$57.87M1.06%Jul 31, 2026
Vanguard Small-Cap Value Index Fund227,4861.43%$49.75M0.07%Jun 30, 2026
Global X Defense Tech ETF214,9271.35%$46.59M0.58%May 31, 2026
Vanguard Extended Market Index Fund177,7671.12%$38.88M0.04%Jun 30, 2026
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund177,0081.11%$38.71M0.39%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Ajay MehraPRESIDENT AND CEO, Director135,5640.85%Aug 25, 2026
Michael TropeanoPRESIDENT, RAPISCAN SYSTEMS5,1020.03%Aug 26, 2026
Paul Keith MorbenPRES., OPTOELECTRONICS DIV11,3860.07%Aug 26, 2026
Victor S. SzeGENERAL COUNSEL115,9940.73%Aug 26, 2026
Cary M. OkawaCHIEF ACCOUNTING OFFICER4,3040.03%Aug 26, 2026
Alan I. EdrickEVP & CFO325,9152.04%Aug 25, 2026
Glenn GrindstaffCHIEF HUMAN RESOURCES OFFICER11,9010.07%Aug 25, 2026
W. Paul ConstantinePRES., SPACELABS HEALTHCARE2,0490.01%Aug 4, 2026
Shalabh ChandraPRES., SPACELABS HEALTHCARE9,2980.06%Jan 2, 2025
Manoocher M. AliabadiPRES., OPTOELECTRONICS DIV109,3560.69%Dec 13, 2024
Deepak ChopraDirector274,2181.72%Aug 25, 2026
Gerald M. ChizeverDirector10,4470.07%Aug 21, 2026
Kelli BernardDirector10,7810.07%Aug 21, 2026
James B. HawkinsDirector5,2950.03%Aug 21, 2026
William Francis Ballhaus JRDirector29,4750.18%Jul 21, 2026
Meyer/ LuskinDirector16,2710.10%Aug 22, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Cary M. Okawa
CHIEF ACCOUNTING OFFICER
Aug 24, 2026Tax withholding−460$206.73$95.10K4,304
Cary M. Okawa
CHIEF ACCOUNTING OFFICER
Aug 24, 2026Award+908$206.73$187.71K4,764
Victor S. Sze
GENERAL COUNSEL
Aug 24, 2026Award+16,845$206.73$3.48M110,606
Victor S. Sze
GENERAL COUNSEL
Aug 24, 2026Tax withholding−14,999$206.73$3.10M95,607
Michael Tropeano
PRESIDENT, RAPISCAN SYSTEMS
Aug 24, 2026Award+287$206.73$59.33K5,102
Michael Tropeano
PRESIDENT, RAPISCAN SYSTEMS
Aug 24, 2026Tax withholding−99$206.73$20.47K5,003
Paul Keith Morben
PRES., OPTOELECTRONICS DIV
Aug 24, 2026Award+1,083$206.73$223.89K11,386
Paul Keith Morben
PRES., OPTOELECTRONICS DIV
Aug 24, 2026Tax withholding−1,331$206.73$275.16K9,915
Deepak Chopra
Director
Aug 24, 2026Award+20,403$206.73$4.22M274,218
Deepak Chopra
Director
Aug 24, 2026Tax withholding−23,540$206.73$4.87M250,194
Alan I. Edrick
EVP & CFO
Aug 24, 2026Award+21,871$206.73$4.52M325,915
Alan I. Edrick
EVP & CFO
Aug 24, 2026Tax withholding−19,377$206.73$4.01M306,538
Ajay Mehra
PRESIDENT AND CEO, Director
Aug 24, 2026Award+20,073$206.73$4.15M131,881
Ajay Mehra
PRESIDENT AND CEO, Director
Aug 24, 2026Tax withholding−19,986$206.73$4.13M111,895
Glenn Grindstaff
CHIEF HUMAN RESOURCES OFFICER
Aug 24, 2026Award+1,969$206.73$407.05K11,901
Glenn Grindstaff
CHIEF HUMAN RESOURCES OFFICER
Aug 24, 2026Tax withholding−1,708$206.73$353.09K10,193
Cary M. Okawa
CHIEF ACCOUNTING OFFICER
Aug 22, 2026Tax withholding−118$206.73$24.39K3,856
Gerald M. Chizever
Director
Aug 20, 2026Tax withholding−88$220.92$19.44K2,696
Kelli Bernard
Director
Aug 20, 2026Tax withholding−78$220.92$17.23K10,781
James B. Hawkins
Director
Aug 20, 2026Tax withholding−90$220.92$19.88K5,295
Deepak Chopra
Director
Aug 20, 2026Tax withholding−153$220.92$33.80K253,815
Kelli Bernard
Director
Aug 14, 2026Tax withholding−126$228.56$28.80K10,859
Gerald M. Chizever
Director
Aug 14, 2026Tax withholding−141$228.56$32.23K2,914
James B. Hawkins
Director
Aug 14, 2026Tax withholding−144$228.56$32.91K5,385
Cary M. Okawa
CHIEF ACCOUNTING OFFICER
Jul 31, 2026Award+632$221.39$139.92K3,974
W. Paul Constantine
PRES., SPACELABS HEALTHCARE
Jul 31, 2026Award+610$221.39$135.05K2,049
Alan I. Edrick
EVP & CFO
Jul 31, 2026Award+8,514$221.39$1.88M304,044
Michael Tropeano
PRESIDENT, RAPISCAN SYSTEMS
Jul 31, 2026Award+1,694$221.39$375.03K5,281
Victor S. Sze
GENERAL COUNSEL
Jul 31, 2026Award+6,437$221.39$1.43M93,761
Glenn Grindstaff
CHIEF HUMAN RESOURCES OFFICER
Jul 31, 2026Award+610$221.39$135.05K9,932
Paul Keith Morben
PRES., OPTOELECTRONICS DIV
Jul 31, 2026Award+1,491$221.39$330.09K10,303
Ajay Mehra
PRESIDENT AND CEO, Director
Jul 31, 2026Award+13,551$221.39$3.00M111,808
Kelli Bernard
Director
Jul 28, 2026Tax withholding−149$217.30$32.38K10,985
Gerald M. Chizever
Director
Jul 28, 2026Tax withholding−166$217.30$36.07K3,265
James B. Hawkins
Director
Jul 28, 2026Tax withholding−170$217.30$36.94K5,544
Kelli Bernard
Director
Jul 20, 2026Award+924$216.65$200.18K11,134
Gerald M. Chizever
Director
Jul 20, 2026Award+924$216.65$200.18K3,679
William Francis Ballhaus JR
Director
Jul 20, 2026Award+924$216.65$200.18K4,102
James B. Hawkins
Director
Jul 20, 2026Award+924$216.65$200.18K5,714
Deepak Chopra
Director
Jul 20, 2026Award+924$216.65$200.18K253,968
Gerald M. Chizever
Director
Jul 6, 2026Tax withholding−231$221.76$51.23K2,755
Kelli Bernard
Director
Jul 6, 2026Tax withholding−202$221.76$44.80K10,210
James B. Hawkins
Director
Jul 6, 2026Tax withholding−231$221.76$51.23K4,790
Paul Keith Morben
PRES., OPTOELECTRONICS DIV
Jun 30, 2026Award+75$140.61$10.55K8,690
Ajay Mehra
PRESIDENT AND CEO, Director
Jun 30, 2026Award+75$140.61$10.55K98,257
Cary M. Okawa
CHIEF ACCOUNTING OFFICER
Jun 30, 2026Award+28$185.90$5.21K3,342
Michael Tropeano
PRESIDENT, RAPISCAN SYSTEMS
Jun 30, 2026Award+75$140.61$10.55K3,587
W. Paul Constantine
PRES., SPACELABS HEALTHCARE
Jun 30, 2026Award+55$185.90$10.22K1,439
Glenn Grindstaff
CHIEF HUMAN RESOURCES OFFICER
Jun 30, 2026Award+17$185.90$3.16K9,322
Alan I. Edrick
EVP & CFO
Jun 30, 2026Award+75$140.61$10.55K295,530
Victor S. Sze
GENERAL COUNSEL
Jun 30, 2026Award+75$140.61$10.55K87,324
Deepak Chopra
Director
May 4, 2026Sale(10b5-1 plan)−20,000$281.84$5.64M253,044
W. Paul Constantine
PRES., SPACELABS HEALTHCARE
Apr 23, 2026Tax withholding−65$292.52$19.01K1,384
Deepak Chopra
Director
Feb 2, 2026Sale(10b5-1 plan)−20,000$250.91$5.02M273,044
Deepak Chopra
Director
Dec 31, 2025Award+75$140.61$10.55K293,044
Victor S. Sze
GENERAL COUNSEL
Dec 31, 2025Award+75$140.61$10.55K87,249
Michael Tropeano
PRESIDENT, RAPISCAN SYSTEMS
Dec 31, 2025Award+75$140.61$10.55K3,512
Paul Keith Morben
PRES., OPTOELECTRONICS DIV
Dec 31, 2025Award+75$140.61$10.55K8,615
Ajay Mehra
PRESIDENT AND CEO, Director
Dec 31, 2025Award+75$140.61$10.55K98,182
W. Paul Constantine
PRES., SPACELABS HEALTHCARE
Dec 31, 2025Award+55$192.73$10.60K1,449

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Family Trust U/A Dtd12/20/2004 Chopra
Director, Officer
May 4, 202620,000$5.65MMay 4, 2026Performance Stock Units
Family Trust U/A Dtd12/20/2004 Chopra
Director, Officer
Feb 2, 202620,000$5.00MFeb 2, 2026Performance Stock Units
Family Trust U/A Dtd12/20/2004 Chopra
Director, Officer
Nov 10, 202520,000$5.70MNov 10, 2025Performance Stock Units
Morben Paul
Officer
Nov 7, 2025416$116.11KNov 7, 2025Restricted stock vesting under a registered plan
Hawkins James
Director
Nov 7, 20251,500$424.72KNov 7, 2025Restricted stock vesting under a registered plan
Family Trust U/A Dtd12/20/2004 Chopra
Director, Officer
Oct 1, 202520,000$4.98MOct 1, 2025Performance Stock Units
Trust Ballhaus
Director
Sep 12, 2025562$133.66KSep 12, 2025Restricted stock vesting under a registered plan
Morben Paul
Officer
Sep 4, 20251,671$395.63KSep 4, 2025Restricted stock vesting under a registered plan
Meyer/ Luskin
Director
Jun 12, 20251,000$236.68KJun 12, 2025COMPENSATION
Trust Ballhaus
Director
May 21, 2025750$171.66KMay 21, 2025Restricted stock vesting under a registered plan
I. Edrick Alan
Officer
May 13, 202520,000$4.58MMay 13, 2025Restricted stock vesting under a registered plan
Grindstaff Glenn
Officer
May 8, 2025688$154.72KMay 8, 2025Restricted Stock
Chopra Tteethe Deepika Chopra Trustu/A Dtd 07/17/1987 Deepak
Officer
May 6, 20255,000$1.10MMay 6, 2025Founder Stock
Trust Ballhaus
Director
May 6, 2025933$205.05KMay 6, 2025Restricted stock vesting under a registered plan
Family Trust U/A Dtd 12/20/2004 Chopra
Officer
May 5, 202520,000$4.50MMay 5, 2025Restricted Stock Units