IDXX · Idexx Laboratories Inc /De · Held by Funds
$517.75
-4.44 (-0.85%)
At close · Oct 1
Return incl. dividend (before tax)
Market Cap
$40.91B
Shares
78.78M
Volume · Oct 1
320.73K
Avg daily vol (3M)
572.41K
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this exact listed security, matched by CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding IDXX
1,026 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 2,504,327 | $1,318,377,906 | 0.06% | Long | 2026-06-30 | |
| VANGUARD 500 INDEX FUND | — | 2,043,087 | $1,075,562,720 | 0.06% | Long | 2026-06-30 | |
| VANGUARD MID-CAP INDEX FUND | — | 1,709,209 | $899,795,986 | 0.40% | Long | 2026-06-30 | |
| Invesco QQQ Trust, Series 1 | QQQ | 1,674,463 | $881,504,302 | 0.18% | Long | 2026-06-30 | |
| Fidelity 500 Index Fund | FXAIX | 1,021,854 | $575,845,385 | 0.07% | Long | 2026-05-31 | |
| iShares Core S&P 500 ETF | IVV | 1,085,259 | $571,323,748 | 0.06% | Long | 2026-06-30 | |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | SPY | 956,167 | $503,364,555 | 0.06% | Long | 2026-06-30 | |
| VANGUARD GROWTH INDEX FUND | — | 942,289 | $496,058,621 | 0.13% | Long | 2026-06-30 | |
| Baron Partners Fund | — | 846,300 | $445,526,172 | 2.47% | Long | 2026-06-30 | |
| AMCAP Fund | — | 732,861 | $412,989,159 | 0.42% | Long | 2026-05-31 | |
| VANGUARD MID-CAP GROWTH INDEX FUND | — | 604,333 | $318,145,065 | 0.91% | Long | 2026-06-30 | |
| State Street(R) Health Care Select Sector SPDR(R) ETF | XLV | 557,240 | $293,353,426 | 0.72% | Long | 2026-06-30 | |
| VANGUARD U.S. GROWTH FUND | — | 425,415 | $239,734,115 | 0.50% | Long | 2026-05-31 | |
| VANGUARD INSTITUTIONAL INDEX FUND | — | 428,270 | $225,458,459 | 0.06% | Long | 2026-06-30 | |
| iShares Russell Mid-Cap Growth ETF | IWP | 391,932 | $206,328,682 | 0.96% | Long | 2026-06-30 | |
| Invesco NASDAQ 100 ETF | QQQM | 338,523 | $190,767,866 | 0.20% | Long | 2026-05-31 | |
| Invesco S&P 500 Equal Weight ETF | RSP | 334,552 | $187,037,987 | 0.19% | Long | 2026-07-31 | |
| iShares Russell Mid-Cap ETF | IWR | 325,075 | $171,132,483 | 0.30% | Long | 2026-06-30 | |
| Fidelity Mid Cap Index Fund | FSMDX | 299,516 | $167,450,410 | 0.32% | Long | 2026-07-31 | |
| Fidelity Contrafund | — | 314,207 | $165,411,133 | 0.09% | Long | 2026-06-30 | |
| Baron Focused Growth Fund | — | 302,100 | $159,037,524 | 2.82% | Long | 2026-06-30 | |
| BlackRock Mid-Cap Growth Equity Portfolio | — | 279,412 | $157,457,044 | 2.81% | Long | 2026-05-29 | |
| Fidelity SAI U.S. Quality Index Fund | FUQIX | 276,631 | $154,656,093 | 0.43% | Long | 2026-07-31 | |
| Ultra Fund | — | 257,000 | $143,680,990 | 0.56% | Long | 2026-07-31 | |
| BARON ASSET FUND | — | 259,176 | $136,440,613 | 3.39% | Long | 2026-06-30 | |
| MFS Growth Fund | — | 239,957 | $135,222,968 | 0.32% | Long | 2026-05-31 | |
| VANGUARD HEALTH CARE INDEX FUND | — | 239,830 | $135,151,400 | 0.71% | Long | 2026-05-31 | |
| iShares MSCI USA Quality Factor ETF | QUAL | 240,875 | $134,665,986 | 0.29% | Long | 2026-07-31 | |
| iShares Russell 1000 Growth ETF | IWF | 253,613 | $133,512,028 | 0.10% | Long | 2026-06-30 | |
| Invesco Water Resources ETF | PHO | 231,568 | $129,462,722 | 6.47% | Long | 2026-07-31 | |
| iShares U.S. Medical Devices ETF | IHI | 245,302 | $129,136,785 | 4.27% | Long | 2026-06-30 | |
| JPMorgan Mid Cap Growth Fund | — | 221,412 | $116,560,133 | 0.88% | Long | 2026-06-30 | |
| Heritage Fund | — | 205,143 | $114,689,297 | 2.16% | Long | 2026-07-31 | |
| Invesco S&P 500 Quality ETF | SPHQ | 204,463 | $114,309,129 | 0.59% | Long | 2026-07-31 | |
| Nomura Mid Cap Growth Fund | — | 199,144 | $104,837,367 | 3.50% | Long | 2026-06-30 | |
| Baron Generational Growth Fund | — | 196,500 | $103,445,460 | 4.91% | Long | 2026-06-30 | |
| State Street(R) SPDR(R) Portfolio S&P 500(R) ETF | SPYM | 187,807 | $98,869,117 | 0.06% | Long | 2026-06-30 | |
| Schwab S&P 500 Index Fund | SWPPX | 176,095 | $98,449,432 | 0.07% | Long | 2026-07-31 | |
| Schwab U.S. Large-Cap Growth ETF | SCHG | 168,790 | $95,118,229 | 0.16% | Long | 2026-05-31 | |
| iShares S&P 500 Growth ETF | IVW | 166,533 | $87,669,633 | 0.12% | Long | 2026-06-30 | |
| Fidelity Total Market Index Fund | FSKAX | 150,951 | $85,065,417 | 0.06% | Long | 2026-05-31 | |
| ClearBridge Growth Fund | — | 136,000 | $76,640,080 | 1.83% | Long | 2026-05-29 | |
| VANGUARD RUSSELL 1000 GROWTH INDEX FUND | — | 131,573 | $74,145,333 | 0.14% | Long | 2026-05-31 | |
| Putnam Large Cap Growth Fund | — | 131,022 | $73,250,470 | 0.54% | Long | 2026-07-31 | |
| Carillon Eagle Mid Cap Growth Fund | — | 134,857 | $70,994,119 | 1.36% | Long | 2026-06-30 | |
| Fidelity Series Total Market Index Fund | FCFMX | 121,882 | $68,684,163 | 0.06% | Long | 2026-05-31 | |
| Calvert Equity Fund | — | 126,845 | $66,776,282 | 1.99% | Long | 2026-06-30 | |
| Nomura Large Cap Growth Fund | — | 123,530 | $65,031,133 | 1.04% | Long | 2026-06-30 | |
| Dimensional US High Profitability ETF | DUHP | 114,993 | $64,289,137 | 0.52% | Long | 2026-07-31 | |
| State Street(R) SPDR(R) Portfolio S&P 500(R) Growth ETF | SPYG | 117,744 | $61,985,151 | 0.12% | Long | 2026-06-30 |
Showing 1–50 of 1,026 positions
Key facts
CIK
874716
CUSIP
45168D104
13F (30d)
21 filings
17 filers
Visit website
Investor relations