MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in TMO — Thermo Fisher Scientific Inc.
CIK 912938
Boston, MA
Position in TMO
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$1,486,890,367
+$5,856,903 QoQ
Shares Held
2,965,714
-1.6% QoQ
Ownership
0.802%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
#21
of 2,606 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 68%
Shared 29%
None 4%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $7,261,067,923 across 19 Diagnostics & Research names. TMO ranks #2 (20.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WAT |
Waters Corp /De/
|
4,625,035 | $1,734,573,121 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
This page
|
2,965,714 | $1,486,890,367 | |
| 3 | A |
Agilent Technologies, Inc.
|
10,010,867 | $1,329,743,461 | |
| 4 | DHR |
Danaher Corp /De/
|
3,878,641 | $738,803,535 | |
| 5 | NTRA |
Natera, Inc.
|
1,971,391 | $535,134,085 | |
| 6 | ICLR |
Icon PLC
|
2,105,171 | $365,689,252 | |
| 7 | ILMN |
Illumina, Inc.
|
1,744,209 | $306,684,265 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
|
336,986 | $177,402,907 |
All Filings in TMO
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,486,890,367 | 2,965,714 | Shares | Defined | 2026-08-03 | |
| 2026-03-31 | $1,481,033,464 | 3,013,109 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $1,789,148,059 | 3,087,666 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $1,424,502,765 | 2,936,998 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $949,903,575 | 2,342,780 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $1,192,265,520 | 2,396,032 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $1,339,920,510 | 2,575,631 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $2,098,616,248 | 3,392,690 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $2,118,837,196 | 3,831,532 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $2,503,355,740 | 4,307,145 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $2,218,853,470 | 4,180,285 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $3,243,062,062 | 6,407,061 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $3,545,220,288 | 6,794,864 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $4,687,475,418 | 8,132,754 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $5,117,151,352 | 9,292,254 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $5,071,102,694 | 9,998,428 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $5,758,708,234 | 10,599,890 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $6,545,030,448 | 11,081,064 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $7,521,767,157 | 11,272,956 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $6,735,716,170 | 11,789,537 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $6,069,698,285 | 12,031,832 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $5,616,754,000 | 12,307,187 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $5,936,745,240 | 12,745,814 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $5,961,361,975 | 13,501,907 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $5,138,920,379 | 14,182,592 | Shares | Sole | 2020-11-20 | |
| 2020-03-31 | $4,395,980,650 | 15,500,637 | Shares | Sole | 2020-11-20 | |
| No filing history on record for this holder in this stock. | ||||||