IDEXX Laboratories, Inc.
DE ˙ XTRA ˙ US45168D1046
470,40 € ↓ -12,40 (-2,57%)
2026-06-03
AKTIENPREIS
SecurityDE:IX1 / IDEXX Laboratories, Inc.
InstitutionCastleview Partners, Llc
Latest Disclosed Ownership420 shares
Latest Disclosed Value $ 235,994
Castleview Partners, Llc reports 16.83% decrease in ownership of IX1 / IDEXX Laboratories, Inc.

On May 1, 2026 - Castleview Partners, Llc filed a 13F-HR form disclosing ownership of 420 shares of IDEXX Laboratories, Inc. (DE:IX1) valued at $204,960 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 12, 2026 disclosing 505 shares of IDEXX Laboratories, Inc.. This represents a change in shares of -16.83% during the quarter. The current value of the position is $197,568 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-01 2026-03-31 13F IDEXX LABS COM 45168D104 420 -85 -16.83 236 -31.09 0.1210
2026-01-12 2025-12-31 13F IDEXX LABS COM 45168D104 505 4 0.80 342 6.56 0.1693
2025-10-10 2025-09-30 13F IDEXX LABS COM 45168D104 501 0 0.00 320 19.40 0.1738
2025-07-16 2025-06-30 13F IDEXX LABS COM 45168D104 501 501 269 0.1727
2024-07-31 2024-06-30 13F IDEXX LABS COM 45168D104 0 -69 -100.00 0 -100.00
2024-05-10 2024-03-31 13F IDEXX LABS COM 45168D104 69 0 0.00 37 -2.63 0.0208
2024-02-05 2023-12-31 13F IDEXX LABS COM 45168D104 69 0 0.00 38 26.67 0.0268
2023-10-26 2023-09-30 13F IDEXX LABS COM 45168D104 69 0 0.00 30 -11.76 0.0279
2023-08-15 2023-06-30 13F IDEXX LABS COM 45168D104 69 0 0.00 35 0.00 0.0312
2023-05-16 2023-03-31 13F IDEXX LABS COM 45168D104 69 0 0.00 35 21.43 0.0306
2023-02-01 2022-12-31 13F IDEXX LABS COM 45168D104 69 0 0.00 28 27.27 0.0274
2022-11-10 2022-09-30 13F IDEXX LABS COM 45168D104 69 -1,063 -93.90 22 -89.32 0.0210
2022-08-17 2022-06-30 13F/A-1 ILLINOIS TOOL WO Common 45168D104 1,132 1,014 859.32 206 221.88 0.1641
2022-08-16 2022-06-30 13F IDXX Equity 45168D104 24,200 24,082 69 0.0008
2022-05-16 2022-03-31 13F IDEXX LABORATORIES Equity 45168D104 118 -77,580 -99.85 64 -45.76 0.0398
2022-02-17 2021-12-31 13F IDXX Equity 45168D104 77,698 77,580 65,745.76 118 57.33 0.0009
2021-08-17 2021-06-30 13F IDXX Equity 45168D104 118 118 75 0.0329
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.