As of 30 Sep 2025, 2,470 institutional investors reported holding 330,519,621 shares of THERMO FISHER SCIENTIFIC INC. - COM (TMO).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 2,371,315 | $1,378,272,817 | -$298,591,615 | $579.45 | 202 |
| 2025 Q3 | 330,519,621 | $160,240,708,760 | -$948,142,292 | $485.02 | 2,470 |
| 2025 Q2 | 333,543,983 | $135,263,140,409 | +$600,593,846 | $405.46 | 2,429 |
| 2025 Q1 | 331,144,204 | $164,574,897,238 | -$3,251,201,382 | $497.60 | 2,530 |
| 2024 Q4 | 337,281,301 | $175,627,487,175 | +$2,947,831,756 | $520.23 | 2,564 |
| 2024 Q3 | 330,194,099 | $203,989,088,965 | -$4,510,236,561 | $618.57 | 2,533 |
| 2024 Q2 | 338,512,096 | $187,142,687,468 | +$4,926,403,450 | $553.00 | 2,498 |
| 2024 Q1 | 331,025,120 | $192,286,571,330 | -$4,717,533,964 | $581.21 | 2,497 |
| 2023 Q4 | 4,763,614 | $2,528,152,737 | +$231,247,872 | $530.79 | 36 |
| 2023 Q3 | 333,238,044 | $168,601,549,093 | -$397,895,214 | $506.17 | 2,315 |
| 2023 Q2 | 331,099,807 | $172,819,041,094 | -$4,307,255,278 | $521.75 | 2,342 |
| 2023 Q1 | 334,049,172 | $192,478,347,608 | -$2,382,510,288 | $576.37 | 2,331 |
| 2022 Q4 | 342,883,598 | $188,913,852,011 | +$1,158,928,633 | $550.69 | 2,322 |
| 2022 Q3 | 342,289,742 | $173,801,691,322 | -$1,020,655,468 | $507.19 | 2,216 |
| 2022 Q2 | 330,757,592 | $179,543,794,806 | +$708,216,568 | $543.28 | 2,238 |
| 2022 Q1 | 335,889,921 | $198,369,691,195 | -$375,021,529 | $590.65 | 2,273 |
| 2021 Q4 | 340,429,772 | $226,995,768,098 | -$65,087,550 | $667.24 | 2,307 |
| 2021 Q3 | 331,753,939 | $189,573,102,727 | +$765,506,382 | $571.33 | 2,099 |
| 2021 Q2 | 340,304,671 | $171,614,408,263 | -$888,048,468 | $504.47 | 2,040 |
| 2021 Q1 | 342,500,926 | $156,312,031,024 | -$1,834,519,960 | $456.38 | 2,013 |
| 2020 Q4 | 341,209,306 | $158,938,917,987 | -$1,854,403,069 | $465.78 | 1,993 |
| 2020 Q3 | 351,275,995 | $155,000,372,397 | -$310,805,259 | $441.52 | 1,819 |
| 2020 Q2 | 351,024,797 | $127,171,922,114 | +$498,203,801 | $362.34 | 1,714 |
| 2020 Q1 | 349,086,705 | $99,044,173,364 | -$1,572,815,656 | $283.60 | 1,643 |
| 2019 Q4 | 347,550,734 | $112,894,690,327 | -$1,088,551,743 | $324.87 | 1,646 |
| 2019 Q3 | 357,669,341 | $104,154,734,542 | +$417,233,949 | $291.27 | 1,524 |
| 2019 Q2 | 355,984,273 | $104,514,229,235 | +$2,096,215,233 | $293.68 | 1,534 |
| 2019 Q1 | 343,147,412 | $93,904,920,380 | -$44,132,403 | $273.72 | 1,489 |
| 2018 Q4 | 352,645,317 | $78,907,689,715 | -$419,834,162 | $223.79 | 1,430 |
| 2018 Q3 | 352,268,623 | $85,969,299,398 | +$939,407,250 | $244.08 | 1,329 |
| 2018 Q2 | 350,270,143 | $72,547,229,646 | +$769,609,252 | $207.14 | 1,299 |
| 2018 Q1 | 348,457,480 | $71,926,610,055 | -$454,353,756 | $206.46 | 1,286 |
| 2017 Q4 | 352,265,015 | $66,885,331,058 | +$406,202,949 | $189.88 | 1,227 |
| 2017 Q3 | 350,081,020 | $66,206,949,096 | +$2,450,152,569 | $189.20 | 1,148 |
| 2017 Q2 | 338,112,564 | $58,958,302,606 | -$258,504,009 | $174.47 | 1,147 |
| 2017 Q1 | 342,916,909 | $52,677,727,630 | +$3,214,691,317 | $153.60 | 1,123 |
| 2016 Q4 | 343,731,333 | $48,505,546,307 | -$979,536,458 | $141.10 | 1,097 |
| 2016 Q3 | 346,394,344 | $55,054,952,885 | -$446,530,235 | $159.06 | 1,023 |
| 2016 Q2 | 346,178,477 | $51,150,711,808 | -$76,575,191 | $147.76 | 1,041 |
| 2016 Q1 | 347,458,319 | $49,154,854,897 | -$977,265,032 | $141.59 | 1,009 |
| 2015 Q4 | 355,180,958 | $50,373,352,188 | -$269,237,615 | $141.85 | 1,001 |
| 2015 Q3 | 357,487,941 | $43,704,202,546 | +$860,155,531 | $122.28 | 964 |
| 2015 Q2 | 347,957,588 | $45,159,664,881 | -$646,388,354 | $129.76 | 967 |
| 2015 Q1 | 357,509,269 | $47,999,341,820 | -$687,677,534 | $134.34 | 957 |
| 2014 Q4 | 363,249,731 | $45,514,999,754 | +$36,337,008 | $125.29 | 949 |
| 2014 Q3 | 362,217,418 | $44,081,346,507 | -$403,126,079 | $121.70 | 906 |
| 2014 Q2 | 365,574,491 | $43,147,784,702 | +$472,371,536 | $118.00 | 901 |
| 2014 Q1 | 361,782,108 | $43,483,345,118 | +$433,458,696 | $120.24 | 904 |