Stocks › IDXX
IDEXX LABORATORIES INC /DE
IDXX·Nasdaq·
United States·USD
United States·USD$515.41
-11.66 (-2.21%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
IDXX
IDEXX LABORATORIES INC /DE · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
IDXXS&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 IDXX by members of U.S. Congress · 79 on record · 13 in the last 12 months
Whale Activity
Position changes in IDXX reported for 2026-09-30 by 1 tracked institutional filer
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| BRIGHT ROCK CAPITAL MANAGEMENT, LLC | 7,000 | $3.7M | — |
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 IDXX insiders, by quarter · Form 4
Recent Insider Transactions
2,986 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Kingsley Lawrence DDirector · Director | Sale | −2,203 | $532.08 | $1.2M | Sep 4, 2026 | Form 4 ↗ |
| FENNELL GEORGEExecutive Vice President | Tax withholding | −284 | $566.79 | $161K | Jun 1, 2026 | Form 4 ↗ |
| FENNELL GEORGEExecutive Vice President | Option exercise | +639 | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
| Vandebroek Sophie V.Director | Option exercise | +257 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| SZOSTAK M ANNEDirector | Option exercise | +257 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Peacock KarenDirector | Option exercise | +101 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Kingsley Lawrence DDirector | Option exercise | +82 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| Kingsley Lawrence DDirector | Option exercise | +257 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| JUNIUS DANIEL MDirector | Option exercise | +257 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| HOOLEY JOSEPH LDirector | Option exercise | +158 | $0.00 | $0 | May 7, 2026 | Form 4 ↗ |
| HOOLEY JOSEPH LDirector | Grant / award | +43 | $560.80 | $24K | Apr 30, 2026 | Form 4 ↗ |
| Underberg Sharon E.EVP, GC & Corporate Secretary | Option exercise | +197 | $505.53 | $100K | Mar 3, 2026 | Form 4 ↗ |
| Hunt NimrataExecutive Vice President | Sale | −1,758 | $634.57 | $1.1M | Mar 3, 2026 | Form 4 ↗ |
| MAZELSKY JONATHAN JAYPresident and CEO · Director | Option exercise | +197 | $505.53 | $100K | Feb 27, 2026 | Form 4 ↗ |
| MAZELSKY JONATHAN JAYPresident and CEO · Director | Sale | −2,589 | $663.04 | $1.7M | Feb 26, 2026 | Form 4 ↗ |
| MAZELSKY JONATHAN JAYPresident and CEO · Director | Sale | −1,000 | $662.16 | $662K | Feb 26, 2026 | Form 4 ↗ |
| MAZELSKY JONATHAN JAYPresident and CEO · Director | Sale | −1,200 | $661.10 | $793K | Feb 26, 2026 | Form 4 ↗ |
| MAZELSKY JONATHAN JAYPresident and CEO · Director | Sale | −2,859 | $659.75 | $1.9M | Feb 26, 2026 | Form 4 ↗ |
| MAZELSKY JONATHAN JAYPresident and CEO · Director | Sale | −3,660 | $658.92 | $2.4M | Feb 26, 2026 | Form 4 ↗ |
| MAZELSKY JONATHAN JAYPresident and CEO · Director | Sale | −2,860 | $657.84 | $1.9M | Feb 26, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding IDXX · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 2.5M | $1.32B | 0.06% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 2.0M | $1.08B | 0.06% | Jun 30, 2026 |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 1.7M | $899.8M | 0.40% | Jun 30, 2026 |
| Invesco QQQ Trust, Series 1 | 1.7M | $881.5M | 0.18% | Jun 30, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 1.0M | $575.8M | 0.07% | May 31, 2026 |
| iShares Core S&P 500 ETF iShares Trust | 1.1M | $571.3M | 0.06% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | 956.2K | $503.4M | 0.06% | Jun 30, 2026 |
| VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 942.3K | $496.1M | 0.13% | Jun 30, 2026 |
| Baron Partners Fund BARON SELECT FUNDS | 846.3K | $445.5M | 2.47% | Jun 30, 2026 |
| AMCAP Fund | 732.9K | $413.0M | 0.42% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list IDXX's shares (CUSIP 45168D104), 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
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming IDEXX LABORATORIES INC /DE as client
No lobbying filings found naming IDEXX LABORATORIES INC /DE as the client.
Government Contracts
Federal awards to idexx laboratories · USAspending
$92KAwarded · 10 contracts on record
- Environmental Protection AgencyTECTA BY IDEXX SYSTEM$51K
Aug 12, 2026 · ↗ - Department of Health and Human Services27-PLEX ASSAY ANALYSIS FOR CYTOKINES IN RAT BRAIN TISSUE HOMOGENATES$32K
Sep 15, 2026 · ↗ - Department of Defense8512061516!BOTTLE,SCREW CAP$281
Apr 22, 2026 · ↗ - Department of Defense8512158557!WATER SAMPLING TEST$889
Jun 3, 2026 · ↗ - Department of Defense8512157918!COMPARATOR,COLOR$213
Jun 5, 2026 · ↗ - Department of Defense8512157509!WATER SAMPLING TEST$2K
Jun 3, 2026 · ↗ - Department of Defense8512157646!WATER SAMPLING TEST$1K
Jun 3, 2026 · ↗ - Department of Defense8512157729!WATER SAMPLING TEST$1K
Jun 3, 2026 · ↗
U.S. Patents
Recent USPTO applications naming IDEXX LABORATORIES INC /DE
No USPTO patent applications found for IDEXX LABORATORIES INC /DE.
Annual Financials
From IDXX's 10-K filings · XBRL
No annual XBRL figures on record for IDXX. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitJun 16, 2015
- 2-for-1Stock splitNov 27, 2007
- 2-for-1Stock splitJun 6, 1995
- 2-for-1Stock splitOct 4, 1993
Split dates and ratios from the price history · Close Prices from Tiingo.com
About IDEXX LABORATORIES INC /DE
From SEC EDGAR company records
Industry (SIC 2835)In Vitro & In Vivo Diagnostic Substances
SectorHealthcare
HeadquartersWESTBROOK, ME
IncorporatedDE
SEC CIK0000874716 ↗