Position in TMO
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$3,053,875
-$388,058 QoQ
Shares Held
6,213
+4.6% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
7 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026TCW GROUP INC holds $106,277,864 across 14 Diagnostics & Research names. TMO ranks #7 (2.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
|
118,751 | $66,724,998 | |
| 2 | GRAL |
GRAIL, Inc.
|
191,313 | $9,887,055 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
6,087 | $7,676,924 | |
| 4 | DGX |
Quest Diagnostics Inc
|
30,862 | $6,048,334 | |
| 5 | DHR |
Danaher Corp /De/
|
18,055 | $3,423,228 | |
| 6 | A |
Agilent Technologies, Inc.
|
28,274 | $3,222,670 | |
| 7 | TMO |
Thermo Fisher Scientific Inc.
This page
|
6,213 | $3,053,875 | |
| 8 | FLGT |
Fulgent Genetics, Inc.
|
126,600 | $2,012,940 |
All Filings in TMO
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,053,875 | 6,213 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $3,441,933 | 5,940 | Shares | Defined | 2026-02-17 | |
| 2021-03-31 | $14,418,413 | 31,593 | Shares | Defined | 2021-05-05 | |
| 2020-12-31 | $19,606,542 | 42,094 | Shares | Defined | 2021-02-02 | |
| 2020-09-30 | $24,248,719 | 54,921 | Shares | Defined | 2020-10-30 | |
| 2020-06-30 | $19,984,862 | 55,155 | Shares | Defined | 2020-08-05 | |
| 2020-03-31 | $15,677,407 | 55,280 | Shares | Defined | 2020-05-05 | |
| No filing history on record for this holder in this stock. | ||||||