CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in IDXX — Idexx Laboratories Inc /De
CIK 1081019
WEST SACRAMENTO, CA
Position in IDXX
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$68,918,056
-$15,920,159 QoQ
Shares Held
122,654
-2.2% QoQ
Ownership
0.155%
of shares outstanding
% of Portfolio
0.08%
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)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $916,588,968 across 29 Diagnostics & Research names. IDXX ranks #3 (7.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
571,811 | $281,062,260 | |
| 2 | DHR |
Danaher Corp /De/
|
973,686 | $184,610,865 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
This page
|
122,654 | $68,918,056 | |
| 4 | A |
Agilent Technologies, Inc.
|
438,607 | $49,992,425 | |
| 5 | WAT |
Waters Corp /De/
|
154,059 | $45,878,770 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
261,431 | $44,584,442 | |
| 7 | NTRA |
Natera, Inc.
|
197,815 | $39,561,021 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
30,547 | $38,525,876 |
All Filings in IDXX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $68,918,056 | 122,654 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $84,838,215 | 125,402 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $80,921,807 | 126,660 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $69,099,900 | 128,836 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $52,953,175 | 126,094 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $53,079,494 | 128,385 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $67,552,460 | 133,709 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $65,210,258 | 133,847 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $71,067,746 | 131,624 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $72,601,095 | 130,801 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $56,468,173 | 129,138 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $67,318,406 | 134,039 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $68,168,405 | 136,315 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $56,375,584 | 138,189 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $44,916,417 | 137,865 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $48,956,997 | 139,586 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $77,136,554 | 141,002 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $98,666,938 | 149,845 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $92,307,995 | 148,429 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $96,020,862 | 152,040 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $79,012,800 | 161,478 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $79,578,804 | 159,199 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $60,561,347 | 154,057 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $51,738,713 | 156,708 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $36,018,907 | 148,691 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||