Stocks › OSIS

OSI SYSTEMS INC

OSIS·Nasdaq·United States United States·USD
$198.56
+0.69 (+0.35%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
OSIS
OSI SYSTEMS INC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
OSISS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of OSIS by members of U.S. Congress · 1 on record
All congressional trades →
PoliticianStockTypeFiledTraded
Bradley Scott SchneiderBradley Scott SchneiderHouse · D · IL OSISOSI SYSTEMS INC · Stock Purchase
$1,001 - $15,000
Feb 12, 2014 Jan 13, 2014 Filing ↗

Whale Activity

Position changes in OSIS reported for 2026-06-30 by 11 tracked institutional filers
Increased: 6Held: 1Closed: 2No prior filing: 2
  • Increased6
  • New0
  • Held1
  • Decreased0
  • Closed2
  • No prior filing2
FilerSharesValueChange
BlackRock, Inc.2.6M$558.1Mincreased
VANGUARD PORTFOLIO MANAGEMENT LLC1.3M$278.2Mincreased
VANGUARD CAPITAL MANAGEMENT LLC703.1K$153.8Mincreased
MILLENNIUM MANAGEMENT LLC298.5K$65.3Mincreased
NEUMEIER POMA INVESTMENT COUNSEL LLC222.5K$48.7M—
BOUSSARD & GAVAUDAN GESTION SAS14.7K$19.8M—
BlackRock, Inc.7.1M$9.4Mincreased
D. E. Shaw & Co., Inc.20.6K$4.5Mincreased
TWO SIGMA INVESTMENTS, LP4,900$1.1Mheld
Citadel Advisors LLC0$0closed
Bridgewater Associates0$0closed

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by OSIS insiders, by quarter · Form 4
-50.0K-25.0K025.0K50.0K2025 Q1: -42.9K2025 Q12025 Q2: -48.4K2025 Q22025 Q3: -2,2332025 Q32025 Q4: -41.9K2025 Q42026 Q1: -20.0K2026 Q12026 Q2: -20.0K2026 Q22026 Q3: 02026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

1,330 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
CHOPRA DEEPAKDirector Sale −20.0K $281.84 $5.6M May 4, 2026 Form 4 ↗
Constantine W PaulPRES., SPACELABS HEALTHCARE Tax withholding −65 $292.52 $19K Apr 23, 2026 Form 4 ↗
CHOPRA DEEPAKDirector Sale −20.0K $250.91 $5.0M Feb 2, 2026 Form 4 ↗
Morben Paul KeithPRES., OPTOELECTRONICS DIV Grant / award +75 $140.61 $11K Dec 31, 2025 Form 4 ↗
Okawa Cary M.CHIEF ACCOUNTING OFFICER Grant / award +52 $109.61 $6K Dec 31, 2025 Form 4 ↗
Tropeano MichaelPRESIDENT, RAPISCAN SYSTEMS Grant / award +75 $140.61 $11K Dec 31, 2025 Form 4 ↗
Constantine W PaulPRES., SPACELABS HEALTHCARE Grant / award +55 $192.73 $11K Dec 31, 2025 Form 4 ↗
SZE VICTOR SGENERAL COUNSEL Grant / award +75 $140.61 $11K Dec 31, 2025 Form 4 ↗
EDRICK ALAN IEVP & CFO Grant / award +75 $140.61 $11K Dec 31, 2025 Form 4 ↗
MEHRA AJAYPRESIDENT AND CEO · Director Grant / award +75 $140.61 $11K Dec 31, 2025 Form 4 ↗
CHOPRA DEEPAKDirector Grant / award +75 $140.61 $11K Dec 31, 2025 Form 4 ↗
EDRICK ALAN IEVP & CFO Gift −1,500 $0.00 $0 Dec 23, 2025 Form 4 ↗
HAWKINS JAMES BDirector Tax withholding −15 $259.44 $4K Dec 13, 2025 Form 4 ↗
SZE VICTOR SGENERAL COUNSEL Gift −251 $0.00 $0 Dec 12, 2025 Form 4 ↗
MEHRA AJAYPRESIDENT AND CEO · Director Gift −3,000 $0.00 $0 Dec 11, 2025 Form 4 ↗
Constantine W PaulPRES., SPACELABS HEALTHCARE Grant / award +470 $266.17 $125K Dec 2, 2025 Form 4 ↗
Okawa Cary M.CHIEF ACCOUNTING OFFICER Tax withholding −26 $251.10 $7K Nov 22, 2025 Form 4 ↗
CHOPRA DEEPAKEXECUTIVE CHAIRMAN · Director Sale −20.0K $285.74 $5.7M Nov 10, 2025 Form 4 ↗
Morben Paul KeithPRES., OPTOELECTRONICS DIV Sale −416 $279.10 $116K Nov 7, 2025 Form 4 ↗
HAWKINS JAMES BDirector Sale −1,500 $283.15 $425K Nov 7, 2025 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding OSIS · SEC Form N-PORT
FundSharesValue% of fundAs of
iShares Core S&P Small-Cap ETF
iShares Trust
933.5K$204.2M0.18%Jun 30, 2026
SMALLCAP World Fund Inc580.1K$126.9M0.13%Jun 30, 2026
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
496.5K$108.6M0.00%Jun 30, 2026
iShares Russell 2000 ETF
iShares Trust
415.6K$90.9M0.11%Jun 30, 2026
Janus Henderson Triton Fund
Janus Investment Fund
412.3K$90.2M1.52%Jun 30, 2026
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
VANGUARD WORLD FUND
400.4K$86.8M0.05%May 31, 2026
VANGUARD SMALL-CAP INDEX FUND
VANGUARD INDEX FUNDS
359.3K$78.6M0.04%Jun 30, 2026
Hood River Small-Cap Growth Fund
Manager Directed Portfolios
275.1K$60.2M0.90%Jun 30, 2026
Fidelity Small Cap Growth Fund
Fidelity Securities Fund
267.0K$59.1M0.67%Jul 31, 2026
Fidelity Small Cap Value Fund
Fidelity Securities Fund
261.4K$57.9M1.06%Jul 31, 2026

Mutual funds and ETFs whose N-PORT filings list OSIS's shares (CUSIP 671044105), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings
  • JANUS HENDERSON GROUP Ltd.SCHEDULE 13G · passive (13G) · 905.9K shares5.5%
    Aug 13, 2026 · ↗
  • Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 1.8M shares10.8%
    Aug 6, 2026 · ↗
  • FMR LLCSCHEDULE 13G/A · passive (13G) · 1.8M shares10.8%
    Aug 6, 2026 · ↗
  • Vanguard Capital ManagementSCHEDULE 13G · passive (13G) · 824.5K shares5.0%
    Jul 31, 2026 · ↗
  • JANUS HENDERSON GROUP PLCSCHEDULE 13G/A · passive (13G) · 772.3K shares4.7%
    May 15, 2026 · ↗
  • Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 2.1M shares12.6%
    May 6, 2026 · ↗
  • FMR LLCSCHEDULE 13G/A · passive (13G) · 2.1M shares12.6%
    May 6, 2026 · ↗

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming OSI SYSTEMS INC as client

No lobbying filings found naming OSI SYSTEMS INC as the client.

Government Contracts

Federal awards to OSI SYSTEMS INC · USAspending

No federal contract awards found for OSI SYSTEMS INC.

U.S. Patents

Recent USPTO applications naming OSI SYSTEMS INC

No USPTO patent applications found for OSI SYSTEMS INC.

Annual Financials

From OSIS's 10-K filings · XBRL

No annual XBRL figures on record for OSIS. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history

No stock splits in OSIS's price history.

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 2.02, 8.01, 9.01Results of operations · Other eventsAug 20, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsMay 4, 2026
    EDGAR ↗

About OSI SYSTEMS INC

From SEC EDGAR company records

General OSI Systems, Inc., together with our subsidiaries, is a vertically integrated designer and manufacturer of specialized electronic systems and components for critical applications. We sell our products and provide related services in diversified markets, including homeland security, healthcare, defense and aerospace. Our company is incorporated in the State of Delaware and our principal office is located at 12525 Chadron Avenue, Hawthorne, California 90250. We have three operating divisions: (a) Security, providing security and inspection systems, turnkey security screening solutions, and high-power radio frequency systems; (b) Optoelectronics and Manufacturing, providing specialized…

Industry (SIC 3674)Semiconductors & Related Devices
SectorTechnology
HeadquartersHAWTHORNE, CA
IncorporatedDE
Former namesOSI SYSTEMS INC