OSIS · NASDAQ · Hardware, Equipment & Parts

OSI Systems (OSIS)

Builds security-screening systems, optoelectronic components, and hospital patient-monitoring equipment.

$202.10
vs last close+1.70 (+0.85%)

13F · 13D/G · Form 4

Institutions119.97%19.13M shares
375 holders · as of Jun 30, 2026
Insiders6.01%957.4K shares
16 holders · as of Aug 26, 2026
Strategic holders8.10%1.29M shares
2 holders · as of Aug 13, 2026
Adds to134.08%

15.94M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

These groups come from separate filings that can overlap, so they add to 134.08%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
16.01%2.55Mas of Jun 30, 2026
FMR LLCInstitution
10.90%1.74Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
7.98%1.27Mas of Jun 30, 2026
Janus Henderson Group PLCStrategic
5.68%905,925filed Aug 13, 2026
Jupiter Topco LLCInstitution
5.68%905,925as of Jun 30, 2026
Vanguard Capital Management LLCInstitution
4.41%703,070as of Jun 30, 2026
State Street CorpInstitution
4.23%674,053as of Jun 30, 2026
Capital International InvestorsInstitution
3.74%596,331as of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.91%463,787as of Jun 30, 2026
UBS Asset Management Americas IncInstitution
2.84%452,547as of Jun 30, 2026
Channing Capital Management, LLCInstitution
2.72%432,851as of Jun 30, 2026
Hood River Capital Management LLCInstitution
2.60%414,304as of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
2.60%414,034as of Jun 30, 2026
Credit Suisse AG/000000000Strategic
2.41%384,923filed Feb 13, 2020
William Blair Investment Management, LLCInstitution
2.38%379,351as of Jun 30, 2026
Neuberger Berman Group LLCInstitution
2.04%324,715as of Jun 30, 2026
Price T Rowe Associates Inc /MD/Institution
1.97%314,717as of Jun 30, 2026
Alan I. EdrickInsiderofficer: EVP & CFO
1.92%306,538filed Aug 25, 2026
Millennium Management LLCInstitution
1.87%298,480as of Jun 30, 2026
Invesco Ltd.Institution
1.65%263,207as of Jun 30, 2026
Primecap Management Co/CA/Institution
1.62%258,180as of Jun 30, 2026
Deepak ChopraInsiderdirector
1.57%250,194filed Aug 25, 2026
American Century Companies IncInstitution
1.40%223,142as of Jun 30, 2026
Neumeier Poma Investment Counsel LLCInstitution
1.40%222,515as of Jun 30, 2026
Clark Capital Management Group, Inc.Institution
1.37%218,913as of Jun 30, 2026

13F, as of Jun 30, 2026

375 holders · 19.13M shares · 62 new positions · 193 increased · 136 reduced · 64 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.2.55M16.01%+22.4KAug 7, 2026
FMR LLC1.74M10.90%−228.9KAug 13, 2026
Vanguard Portfolio Management LLC1.27M7.98%+22.3KAug 13, 2026
Jupiter Topco LLC905.9K5.68%+905.9KnewAug 14, 2026
Vanguard Capital Management LLC703.1K4.41%+3.8KAug 13, 2026
State Street Corp674.1K4.23%+11.9KAug 7, 2026
Capital International Investors596.3K3.74%−23.1KAug 12, 2026
Geode Capital Management, LLC463.8K2.91%+23.1KAug 12, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.14.20%2.39M13GJul 18, 2025
FMR LLC12.60%2.08M13GMay 6, 2026
Vanguard Portfolio Management7.66%1.26M13GApr 29, 2026
JANUS HENDERSON GROUP Ltd.5.50%905.9K13GAug 13, 2026
Vanguard Capital Management5.00%824.5K13GJul 31, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
May 4, 2026
Deepak Chopradirector
Sale20,000$281.84253,044
Feb 2, 2026
Deepak Chopradirector
Sale20,000$250.91273,044
Nov 10, 2025
Deepak Chopradirector, officer: EXECUTIVE CHAIRMAN
Sale20,000$285.74292,969
Nov 7, 2025
James B. Hawkinsdirector
Sale1,500$283.155,036
Nov 7, 2025
Paul Keith Morbenofficer: PRES., OPTOELECTRONICS DIV
Sale416$279.108,540
Oct 1, 2025
Deepak Chopradirector, officer: EXECUTIVE CHAIRMAN
Sale20,000$245.80312,969

House and Senate disclosures

Not reported.