DF Dent & Co Inc

SEC CIK: 0000934999
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

IDXX holding history

IDEXX Laboratories Inc in every 13F filed by DF Dent & Co Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IDXX overview All 13F holders of IDXX Full Q2 2026 holdings

Shares (Q2 2026): 39,515
Value: $20.8M
% of portfolio: 0.4%
Quarters held: 22; Since Q1 2021

Holdings of IDXX by DF Dent & Co Inc, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	39,515	$20.8M	0.4%	−508−1.3%	Reduced	Holders
Q1 2026	40,023	$22.5M	0.4%	−2,414−5.7%	Reduced	Holders
Q4 2025	42,437	$28.7M	0.4%	−2,010−4.5%	Reduced	Holders
Q3 2025	44,447	$28.4M	0.4%	−1,769−3.8%	Reduced	Holders
Q2 2025	46,216	$24.8M	0.3%	−8,102−14.9%	Reduced	Holders
Q1 2025	54,318	$22.8M	0.3%	+1,046+2.0%	Added	Holders
Q4 2024	53,272	$22.0M	0.3%	−941−1.7%	Reduced	Holders
Q3 2024	54,213	$27.4M	0.3%	−1,386−2.5%	Reduced	Holders
Q2 2024	55,599	$27.1M	0.4%	−682−1.2%	Reduced	Holders
Q1 2024	56,281	$30.4M	0.4%	−1,322−2.3%	Reduced	Holders
Q4 2023	57,603	$32.0M	0.4%	−1,667−2.8%	Reduced	Holders
Q3 2023	59,270	$25.9M	0.4%	−13,042−18.0%	Reduced	Holders
Q2 2023	72,312	$36.3M	0.5%	−50,892−41.3%	Reduced	Holders
Q1 2023	123,204	$61.6M	0.9%	−28,375−18.7%	Reduced	Holders
Q4 2022	151,579	$61.8M	0.9%	−146,964−49.2%	Reduced	Holders
Q3 2022	298,543	$97.3M	1.5%	−3,956−1.3%	Reduced	Holders
Q2 2022	302,499	$106.1M	1.5%	+86,390+40.0%	Added	Holders
Q1 2022	216,109	$118.2M	1.4%	+949+0.4%	Added	Holders
Q4 2021	215,160	$141.7M	1.4%	−12,178−5.4%	Reduced	Holders
Q3 2021	227,338	$141.4M	1.4%	−29,042−11.3%	Reduced	Holders
Q2 2021	256,380	$161.9M	1.7%	−2,841−1.1%	Reduced	Holders
Q1 2021	259,221	$126.8M	1.5%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.