Position in IDXX
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$67,585,814
-$11,572,929 QoQ
Shares Held
120,283
+2.8% QoQ
Ownership
0.152%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Derivatives in IDXX
reported options exposure · as of Sep 30, 2020CallValue
$432,421
CallShares
1,100
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026CITIGROUP INC holds $1,091,323,236 across 40 Diagnostics & Research names. IDXX ranks #4 (6.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
572,177 | $281,242,158 | |
| 2 | DHR |
Danaher Corp /De/
|
678,828 | $128,705,787 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
93,153 | $117,484,563 | |
| 4 | IDXX |
Idexx Laboratories Inc /De
This page
|
120,283 | $67,585,814 | |
| 5 | IQV |
Iqvia Holdings Inc.
|
368,674 | $62,873,662 | |
| 6 | DGX |
Quest Diagnostics Inc
|
287,123 | $56,270,364 | |
| 7 | QGEN |
Qiagen N.V.
|
1,385,111 | $55,459,843 | |
| 8 | ILMN |
Illumina, Inc.
|
414,482 | $51,089,050 |
All Filings in IDXX
Export CSV
30 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $67,585,814 | 120,283 | Shares | Defined | 2026-05-11 | |
| 2025-12-31 | $79,158,743 | 117,007 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $92,288,936 | 144,452 | Shares | Defined | 2025-11-10 | |
| 2025-06-30 | $73,361,656 | 136,782 | Shares | Defined | 2025-08-11 | |
| 2025-03-31 | $55,532,507 | 132,236 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $42,218,011 | 102,114 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $67,335,214 | 133,279 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $68,830,152 | 141,277 | Shares | Defined | 2024-08-12 | |
| 2024-03-31 | $53,221,977 | 98,572 | Shares | Defined | 2024-05-10 | |
| 2023-12-31 | $54,107,381 | 97,482 | Shares | Defined | 2024-02-09 | |
| 2023-09-30 | $39,960,353 | 91,386 | Shares | Defined | 2023-12-06 | |
| 2023-06-30 | $43,595,571 | 86,804 | Shares | Defined | 2023-08-10 | |
| 2023-03-31 | $31,095,973 | 62,182 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $26,930,254 | 66,012 | Shares | Defined | 2023-02-09 | |
| 2022-09-30 | $19,797,235 | 60,765 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $20,244,133 | 57,720 | Shares | Defined | 2022-08-10 | |
| 2022-03-31 | $51,550,556 | 94,232 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $71,322,409 | 108,317 | Shares | Defined | 2022-02-10 | |
| 2021-09-30 | $55,319,868 | 88,953 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $49,248,266 | 77,980 | Shares | Defined | 2021-08-10 | |
| 2021-03-31 | $43,867,617 | 89,652 | Shares | Defined | 2021-05-13 | |
| 2020-12-31 | $64,094,328 | 128,222 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $32,762,572 | 83,342 | Shares | Defined | 2020-11-12 | |
| 2020-09-30 | $432,421 | 1,100 | Call | Defined | 2020-11-12 | |
| 2020-06-30 | $165,080 | 500 | Put | Defined | 2020-08-12 | |
| 2020-06-30 | $891,432 | 2,700 | Call | Defined | 2020-08-12 | |
| 2020-06-30 | $26,075,374 | 78,978 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $193,792 | 800 | Put | Defined | 2020-05-12 | |
| 2020-03-31 | $654,048 | 2,700 | Call | Defined | 2020-05-12 | |
| 2020-03-31 | $13,529,102 | 55,850 | Shares | Defined | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||