Position in TMO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$46,174,328
-$58,116,821 QoQ
Shares Held
93,940
-47.8% QoQ
Ownership
0.025%
of shares outstanding
% of Portfolio
0.97%
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 TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026DF DENT & CO INC holds $212,391,294 across 7 Diagnostics & Research names. TMO ranks #2 (21.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
431,292 | $81,772,963 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
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|
93,940 | $46,174,328 | |
| 3 | MEDP |
Medpace Holdings, Inc.
|
74,810 | $35,923,013 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
19,679 | $24,819,154 | |
| 5 | IDXX |
Idexx Laboratories Inc /De
|
40,023 | $22,488,523 | |
| 6 | LH |
Labcorp Holdings Inc.
|
3,308 | $882,607 | |
| 7 | ILMN |
Illumina, Inc.
|
2,683 | $330,706 |
All Filings in TMO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $46,174,328 | 93,940 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $104,291,149 | 179,983 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $97,832,899 | 201,709 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $85,044,018 | 209,747 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $105,739,502 | 212,499 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $113,568,289 | 218,304 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $139,041,546 | 224,779 | Shares | Sole | 2024-11-15 | |
| 2024-06-30 | $126,466,123 | 228,691 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $135,864,230 | 233,761 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $124,680,978 | 234,897 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $120,401,645 | 237,868 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $124,457,201 | 238,538 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $141,780,679 | 245,989 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $138,701,188 | 251,868 | Shares | Sole | 2023-02-15 | |
| 2022-09-30 | $133,848,455 | 263,902 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $148,434,418 | 273,219 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $177,909,095 | 301,209 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $202,339,195 | 303,248 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $183,388,360 | 320,985 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $164,660,016 | 326,402 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $150,484,002 | 329,734 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $153,388,806 | 329,316 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $144,714,361 | 327,764 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $119,645,030 | 330,201 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $92,856,028 | 327,419 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||