What does CUSIP 45168D104 represent in this 13F holders report?

CUSIP 45168D104 is the security identifier for IDXX - IDEXX LABORATORIES INC /DE - Common Stock used to aggregate holder disclosures.

How many institutions held IDXX - IDEXX LABORATORIES INC /DE - Common Stock in Q1 2018?

639 institutional investors reported IDXX - IDEXX LABORATORIES INC /DE - Common Stock for Q1 2018. Use the holders table for investor-level position and value details.

IDEXX LABORATORIES INC /DE - Common Stock (IDXX)

CUSIP: 45168D104

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock
Shares outstanding: 80,841,255
Total 13F shares: 76,258,995
Share change: +215,785
Total reported value: $14,592,016,610
Put/Call ratio: 132%
Price per share: $191.39
Number of holders: 639
Value change: +$65,147,323
Number of buys: 248
Number of sells: 327

Quarterly Holders Quick Answers

What is CUSIP 45168D104?
CUSIP 45168D104 identifies IDXX - IDEXX LABORATORIES INC /DE - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2018
Previous quarter: Q4 2017

Recent filing periods for CUSIP 45168D104:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of IDXX - IDEXX LABORATORIES INC /DE - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	11%	9,100,138	$1,423,081,000	—	31 Dec 2017	13F
BlackRock Finance, Inc.	13F	Company	8.5%	6,894,456	$1,078,153,000	—	31 Dec 2017	13F
BAMCO INC /NY/	13F	Company	5.8%	4,700,932	$735,132,000	—	31 Dec 2017	13F
Fundsmith LLP	13F	Company	5.4%	4,404,756	$688,816,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	4.6%	3,713,101	$580,661,000	—	31 Dec 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2.6%	2,065,246	$322,963,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	2.3%	1,879,804	$293,964,000	—	31 Dec 2017	13F
BLAIR WILLIAM & CO/IL	13F	Company	2.2%	1,781,154	$278,537,000	—	31 Dec 2017	13F
Neuberger Berman Group LLC	13F	Company	2%	1,650,870	$258,163,000	—	31 Dec 2017	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	1.6%	1,254,413	$196,165,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	1.4%	1,141,206	$178,462,000	—	31 Dec 2017	13F
Capital World Investors	13F	Company	1.3%	1,059,709	$165,718,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	1.3%	1,024,937	$160,280,000	—	31 Dec 2017	13F
Jupiter Investment Management Ltd	13F	Company	1.2%	995,156	$155,622,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	1.2%	960,463	$150,197,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	954,584	$148,977,000	—	31 Dec 2017	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.2%	946,391	$147,997,000	—	31 Dec 2017	13F
JANUS HENDERSON GROUP PLC	13F	Company	1.1%	889,936	$139,168,000	—	31 Dec 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.1%	885,680	$138,502,000	—	31 Dec 2017	13F
NORGES BANK	13F	Company	0.99%	801,237	$125,297,000	—	31 Dec 2017	13F
CAPITAL COUNSEL LLC/NY	13F	Company	0.92%	742,729	$116,148,000	—	31 Dec 2017	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	0.9%	728,725	$113,958,000	—	31 Dec 2017	13F
Marshall Wace North America L.P.	13F	Company	0.85%	683,294	$106,853,000	—	31 Dec 2017	13F
FEDERATED HERMES, INC.	13F	Company	0.83%	674,691	$105,508,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.72%	578,706	$90,499,000	—	31 Dec 2017	13F
WILLIAMS JONES & ASSOCIATES LLC	13F	Company	0.66%	537,134	$83,997,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.66%	535,026	$83,668,000	—	31 Dec 2017	13F
AMERICAN CAPITAL MANAGEMENT INC	13F	Company	0.64%	520,943	$81,465,000	—	31 Dec 2017	13F
CREDIT SUISSE AG/	13F	Company	0.64%	518,338	$81,057,000	—	31 Dec 2017	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.61%	493,258	$77,136,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.53%	427,140	$66,796,000	—	31 Dec 2017	13F
Legal & General Group Plc	13F	Company	0.52%	419,251	$65,563,000	—	31 Dec 2017	13F
CIBC Private Wealth Group LLC	13F	Company	0.52%	417,476	$65,285,000	—	31 Dec 2017	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.5%	403,904	$63,163,000	—	31 Dec 2017	13F
FRANKLIN RESOURCES INC	13F	Company	0.5%	400,905	$62,693,000	—	31 Dec 2017	13F
BANK OF MONTREAL /CAN/	13F	Company	0.47%	377,944	$59,103,000	—	31 Dec 2017	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.45%	364,742	$57,921,000	—	31 Dec 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.46%	368,997	$57,704,000	—	31 Dec 2017	13F
Select Equity Group, L.P.	13F	Company	0.44%	353,596	$55,295,342	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.4%	326,023	$50,990,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.4%	323,020	$50,514,000	—	31 Dec 2017	13F
Swiss National Bank	13F	Company	0.4%	321,900	$50,339,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.39%	317,959	$49,722,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.39%	311,977	$48,787,000	—	31 Dec 2017	13F
Banco Santander, S.A.	13F	Company	0.37%	299,300	$46,805,000	—	31 Dec 2017	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.36%	291,793	$45,631,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.36%	290,029	$45,355,000	—	31 Dec 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.35%	280,906	$43,928,000	—	31 Dec 2017	13F
Stephens Investment Management Group LLC	13F	Company	0.34%	275,133	$43,025,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.33%	265,062	$41,447,000	—	31 Dec 2017	13F

Institutional Holders of IDEXX LABORATORIES INC /DE - Common Stock (IDXX) as of Q1 2018

As of 31 Mar 2018, IDEXX LABORATORIES INC /DE - Common Stock (IDXX) was held by 639 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 76,258,995 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., BAMCO INC /NY/, Fundsmith LLP, STATE STREET CORP, PRICE T ROWE ASSOCIATES INC /MD/, RENAISSANCE TECHNOLOGIES LLC, AMERIPRISE FINANCIAL INC, BLAIR WILLIAM & CO/IL, and Neuberger Berman Group LLC. This page lists 640 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

605

Q1 2018 holders

639

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.