GAMCO Investors’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 | $2.23M | Sell |
4,533
-113
| -2% | -$61.3K | 0.02% | 498 |
|
|
2025
Q4 | $2.69M | Sell |
4,646
-490
| -10% | -$277K | 0.03% | 481 |
|
|
2025
Q3 | $2.49M | Sell |
5,136
-150
| -3% | -$69.8K | 0.02% | 483 |
|
|
2025
Q2 | $2.14M | Buy |
5,286
+1,372
| +35% | +$574K | 0.02% | 518 |
|
|
2025
Q1 | $1.95M | Sell |
3,914
-212
| -5% | -$115K | 0.02% | 490 |
|
|
2024
Q4 | $2.15M | Sell |
4,126
-151
| -4% | -$83K | 0.02% | 490 |
|
|
2024
Q3 | $2.65M | Sell |
4,277
-8
| -0.2% | -$4.74K | 0.03% | 462 |
|
|
2024
Q2 | $2.37M | Buy |
4,285
+169
| +4% | +$96.8K | 0.03% | 470 |
|
|
2024
Q1 | $2.39M | Buy |
4,116
+90
| +2% | +$50.5K | 0.02% | 471 |
|
|
2023
Q4 | $2.14M | Sell |
4,026
-9,579
| -70% | -$4.64M | 0.02% | 484 |
|
|
2023
Q3 | $6.89M | Sell |
13,605
-4,197
| -24% | -$2.24M | 0.08% | 275 |
|
|
2023
Q2 | $9.29M | Buy |
17,802
+1,539
| +9% | +$830K | 0.1% | 233 |
|
|
2023
Q1 | $9.37M | Sell |
16,263
-5,404
| -25% | -$3.05M | 0.1% | 228 |
|
|
2022
Q4 | $11.9M | Sell |
21,667
-3,589
| -14% | -$1.9M | 0.13% | 196 |
|
|
2022
Q3 | $12.8M | Buy |
25,256
+603
| +2% | +$337K | 0.15% | 179 |
|
|
2022
Q2 | $13.4M | Sell |
24,653
-262
| -1% | -$144K | 0.15% | 183 |
|
|
2022
Q1 | $14.7M | Sell |
24,915
-11,739
| -32% | -$6.74M | 0.13% | 193 |
|
|
2021
Q4 | $24.5M | Buy |
36,654
+1,291
| +4% | +$806K | 0.21% | 142 |
|
|
2021
Q3 | $20.2M | Sell |
35,363
-7,507
| -18% | -$4.12M | 0.18% | 159 |
|
|
2021
Q2 | $21.6M | Buy |
42,870
+439
| +1% | +$207K | 0.18% | 155 |
|
|
2021
Q1 | $19.4M | Sell |
42,431
-3,632
| -8% | -$1.73M | 0.17% | 162 |
|
|
2020
Q4 | $21.5M | Sell |
46,063
-7,614
| -14% | -$3.57M | 0.2% | 148 |
|
|
2020
Q3 | $23.7M | Buy |
53,677
+2,225
| +4% | +$919K | 0.26% | 112 |
|
|
2020
Q2 | $18.6M | Sell |
51,452
-2,485
| -5% | -$833K | 0.21% | 141 |
|
|
2020
Q1 | $15.3M | Buy |
53,937
+2,186
| +4% | +$689K | 0.18% | 156 |
|
|
2019
Q4 | $16.8M | Sell |
51,751
-290
| -0.6% | -$87.9K | 0.13% | 187 |
|
|
2019
Q3 | $15.2M | Buy |
52,041
+2,187
| +4% | +$626K | 0.13% | 194 |
|
|
2019
Q2 | $14.6M | Sell |
49,854
-587
| -1% | -$162K | 0.11% | 208 |
|
|
2019
Q1 | $13.8M | Buy |
50,441
+4,237
| +9% | +$1.05M | 0.11% | 218 |
|
|
2018
Q4 | $10.3M | Buy |
46,204
+25
| +0.1% | +$5.87K | 0.09% | 232 |
|
|
2018
Q3 | $11.3M | Buy |
46,179
+1,883
| +4% | +$433K | 0.08% | 251 |
|
|
2018
Q2 | $9.18M | Sell |
44,296
-263
| -0.6% | -$55.8K | 0.06% | 272 |
|
|
2018
Q1 | $9.2M | Sell |
44,559
-716
| -2% | -$150K | 0.06% | 272 |
|
|
2017
Q4 | $8.6M | Sell |
45,275
-3,755
| -8% | -$719K | 0.05% | 282 |
|
|
2017
Q3 | $9.28M | Buy |
49,030
+6,065
| +14% | +$1.1M | 0.06% | 275 |
|
|
2017
Q2 | $7.5M | Buy |
42,965
+14,140
| +49% | +$2.38M | 0.05% | 304 |
|
|
2017
Q1 | $4.43M | Sell |
28,825
-395
| -1% | -$60.4K | 0.03% | 392 |
|
|
2016
Q4 | $4.12M | Buy |
29,220
+1,875
| +7% | +$276K | 0.03% | 404 |
|
|
2016
Q3 | $4.35M | Sell |
27,345
-5,200
| -16% | -$801K | 0.03% | 385 |
|
|
2016
Q2 | $4.81M | Sell |
32,545
-175
| -0.5% | -$25.8K | 0.03% | 377 |
|
|
2016
Q1 | $4.63M | Buy |
32,720
+16,555
| +102% | +$2.22M | 0.03% | 376 |
|
|
2015
Q4 | $2.29M | Sell |
16,165
-285
| -2% | -$38K | 0.02% | 474 |
|
|
2015
Q3 | $2.01M | Sell |
16,450
-10,000
| -38% | -$1.3M | 0.01% | 504 |
|
|
2015
Q2 | $3.43M | Buy |
26,450
+3,135
| +13% | +$409K | 0.02% | 440 |
|
|
2015
Q1 | $3.13M | Buy |
23,315
+10,315
| +79% | +$1.33M | 0.02% | 470 |
|
|
2014
Q4 | $1.63M | Buy |
+13,000
| New | +$1.58M | 0.01% | 566 |
|
Other funds holding TMO
VCM
GAMCO Investors's TMO Position: Q1 2026 in Review
GAMCO Investors reduced its Thermo Fisher Scientific (TMO) stake by 2.4% in Q1 2026, selling an estimated $61.3K and leaving 4,533 shares worth $2.23M. The position accounts for 0.02% of the portfolio, ranked #498.
GAMCO Investors first reported a position in TMO in Q4 2014 and has held it in 46 quarters since. The position peaked at $24.5M in Q4 2021. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.
- GAMCO Investors held 4,533 shares of Thermo Fisher Scientific worth $2.23M as of Q1 2026.
- GAMCO Investors sold 113 Thermo Fisher Scientific shares in Q1 2026, an estimated $61.3K.
- Thermo Fisher Scientific made up 0.02% of GAMCO Investors's portfolio in Q1 2026, its #498 holding.
- GAMCO Investors first reported a position in Thermo Fisher Scientific in Q4 2014 and has held it in 46 quarters since.
- GAMCO Investors's Thermo Fisher Scientific position peaked at $24.5M in Q4 2021.
- 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.
Based on GAMCO Investors's 13F filing for Q1 2026, filed 14 May 2026.