BlackRock’s Thermo Fisher Scientific TMO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $15B | Sell |
30,427,192
-250,693
| -0.8% | -$136M | 0.26% | 60 |
|
|
2025
Q4 | $17.8B | Buy |
30,677,885
+1,040,249
| +4% | +$588M | 0.3% | 47 |
|
|
2025
Q3 | $14.4B | Buy |
29,637,636
+2,307,628
| +8% | +$1.07B | 0.25% | 62 |
|
|
2025
Q2 | $11.1B | Sell |
27,330,008
-1,750,113
| -6% | -$732M | 0.21% | 74 |
|
|
2025
Q1 | $14.5B | Buy |
29,080,121
+244,290
| +0.8% | +$132M | 0.3% | 52 |
|
|
2024
Q4 | $15B | Sell |
28,835,831
-321,216
| -1% | -$177M | 0.3% | 46 |
|
|
2024
Q3 | $18B | Sell |
29,157,047
-372,279
| -1% | -$220M | 0.38% | 36 |
|
|
2024
Q2 | $16.3B | Buy |
29,529,326
+549,482
| +2% | +$315M | 0.37% | 38 |
|
|
2024
Q1 | $16.8B | Buy |
28,979,844
+650,038
| +2% | +$365M | 0.39% | 36 |
|
|
2023
Q4 | $15B | Buy |
28,329,806
+333,837
| +1% | +$162M | 0.38% | 38 |
|
|
2023
Q3 | $14.2B | Sell |
27,995,969
-2,048,628
| -7% | -$1.09B | 0.41% | 34 |
|
|
2023
Q2 | $15.7B | Sell |
30,044,597
-1,378,688
| -4% | -$744M | 0.43% | 32 |
|
|
2023
Q1 | $18.1B | Buy |
31,423,285
+633,163
| +2% | +$357M | 0.53% | 27 |
|
|
2022
Q4 | $17B | Buy |
30,790,122
+100,360
| +0.3% | +$53.2M | 0.53% | 26 |
|
|
2022
Q3 | $15.6B | Buy |
30,689,762
+256,512
| +0.8% | +$144M | 0.53% | 26 |
|
|
2022
Q2 | $16.5B | Buy |
30,433,250
+135,276
| +0.4% | +$74.5M | 0.53% | 26 |
|
|
2022
Q1 | $17.9B | Sell |
30,297,974
-684,637
| -2% | -$393M | 0.48% | 27 |
|
|
2021
Q4 | $20.7B | Buy |
30,982,611
+1,309,933
| +4% | +$818M | 0.53% | 22 |
|
|
2021
Q3 | $17B | Buy |
29,672,678
+918,536
| +3% | +$504M | 0.47% | 28 |
|
|
2021
Q2 | $14.5B | Sell |
28,754,142
-557,677
| -2% | -$263M | 0.4% | 34 |
|
|
2021
Q1 | $13.4B | Sell |
29,311,819
-192,402
| -0.7% | -$91.8M | 0.39% | 40 |
|
|
2020
Q4 | $13.7B | Buy |
29,504,221
+624,512
| +2% | +$293M | 0.44% | 36 |
|
|
2020
Q3 | $12.8B | Sell |
28,879,709
-76,232
| -0.3% | -$31.5M | 0.47% | 33 |
|
|
2020
Q2 | $10.5B | Buy |
28,955,941
+1,929,802
| +7% | +$647M | 0.42% | 40 |
|
|
2020
Q1 | $7.66B | Sell |
27,026,139
-1,176,717
| -4% | -$371M | 0.37% | 47 |
|
|
2019
Q4 | $9.16B | Sell |
28,202,856
-113,757
| -0.4% | -$34.5M | 0.35% | 46 |
|
|
2019
Q3 | $8.25B | Buy |
28,316,613
+672,708
| +2% | +$193M | 0.35% | 46 |
|
|
2019
Q2 | $8.12B | Buy |
27,643,905
+392,227
| +1% | +$108M | 0.35% | 45 |
|
|
2019
Q1 | $7.46B | Buy |
27,251,678
+1,074,400
| +4% | +$267M | 0.33% | 54 |
|
|
2018
Q4 | $5.86B | Buy |
26,177,278
+944,035
| +4% | +$221M | 0.3% | 63 |
|
|
2018
Q3 | $6.16B | Buy |
25,233,243
+208,524
| +0.8% | +$48M | 0.27% | 66 |
|
|
2018
Q2 | $5.18B | Buy |
25,024,719
+442,266
| +2% | +$93.9M | 0.24% | 71 |
|
|
2018
Q1 | $5.08B | Buy |
24,582,453
+431,267
| +2% | +$90.5M | 0.24% | 70 |
|
|
2017
Q4 | $4.59B | Buy |
24,151,186
+321,111
| +1% | +$61.5M | 0.22% | 81 |
|
|
2017
Q3 | $4.51B | Buy |
23,830,075
+474,606
| +2% | +$86M | 0.23% | 79 |
|
|
2017
Q2 | $4.07B | Buy |
23,355,469
+366,584
| +2% | +$61.6M | 0.22% | 84 |
|
|
2017
Q1 | $3.53B | Buy |
22,988,885
+22,165,530
| +2,692% | +$3.39B | 0.19% | 92 |
|
|
2016
Q4 | $116M | Sell |
823,355
-46,355
| -5% | -$6.83M | 0.16% | 136 |
|
|
2016
Q3 | $138M | Sell |
869,710
-5,655
| -0.6% | -$871K | 0.2% | 105 |
|
|
2016
Q2 | $129M | Buy |
875,365
+81,643
| +10% | +$12M | 0.19% | 113 |
|
|
2016
Q1 | $112M | Sell |
793,722
-286,278
| -27% | -$38.4M | 0.18% | 119 |
|
|
2015
Q4 | $153M | Buy |
1,080,000
+55,914
| +5% | +$7.46M | 0.22% | 92 |
|
|
2015
Q3 | $125M | Buy |
1,024,086
+723
| +0.1% | +$94.2K | 0.2% | 116 |
|
|
2015
Q2 | $133M | Sell |
1,023,363
-15,118
| -1% | -$1.97M | 0.2% | 111 |
|
|
2015
Q1 | $140M | Buy |
1,038,481
+37,046
| +4% | +$4.78M | 0.19% | 114 |
|
|
2014
Q4 | $125M | Buy |
1,001,435
+40,105
| +4% | +$4.88M | 0.18% | 116 |
|
|
2014
Q3 | $117M | Sell |
961,330
-3,119
| -0.3% | -$379K | 0.17% | 127 |
|
|
2014
Q2 | $114M | Sell |
964,449
-48,109
| -5% | -$5.66M | 0.17% | 133 |
|
|
2014
Q1 | $122M | Buy |
1,012,558
+95,608
| +10% | +$11.4M | 0.2% | 114 |
|
|
2013
Q4 | $102M | Buy |
916,950
+162,111
| +21% | +$16.1M | 0.17% | 136 |
|
|
2013
Q3 | $69.6M | Sell |
754,839
-11,896
| -2% | -$1.08M | 0.13% | 176 |
|
|
2013
Q2 | $64.9M | Buy |
+766,735
| New | +$63.8M | 0.13% | 169 |
|
Other funds holding TMO
VCM
VPM
BlackRock's TMO Position: Q1 2026 in Review
BlackRock reduced its Thermo Fisher Scientific (TMO) stake by 0.82% in Q1 2026, selling an estimated $136M and leaving 30,427,192 shares worth $15B. The position accounts for 0.26% of the portfolio, ranked #60.
BlackRock first reported a position in TMO in Q2 2013 and has held it in 52 quarters since. The position peaked at $20.7B in Q4 2021. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.
- BlackRock held 30,427,192 shares of Thermo Fisher Scientific worth $15B as of Q1 2026.
- BlackRock sold 250,693 Thermo Fisher Scientific shares in Q1 2026, an estimated $136M.
- Thermo Fisher Scientific made up 0.26% of BlackRock's portfolio in Q1 2026, its #60 holding.
- BlackRock first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 52 quarters since.
- BlackRock's Thermo Fisher Scientific position peaked at $20.7B in Q4 2021.
- 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.
Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.