Walleye Trading’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 | $18.2M | Sell |
37,100
-171,600
| -82% | -$93.1M | 0.03% | 544 |
|
|
2025
Q4 | $121M | Buy |
208,700
+164,900
| +376% | +$93.3M | 0.17% | 119 |
|
|
2025
Q3 | $21.2M | Sell |
43,800
-6,300
| -13% | -$2.93M | 0.03% | 561 |
|
|
2025
Q2 | $20.3M | Buy |
50,100
+13,000
| +35% | +$5.44M | 0.04% | 529 |
|
|
2025
Q1 | $18.5M | Buy |
37,100
+2,500
| +7% | +$1.35M | 0.04% | 465 |
|
|
2024
Q4 | $18M | Sell |
34,600
-12,100
| -26% | -$6.65M | 0.04% | 513 |
|
|
2024
Q3 | $28.9M | Sell |
46,700
-4,400
| -9% | -$2.6M | 0.06% | 337 |
|
|
2024
Q2 | $28.3M | Buy |
51,100
+21,800
| +74% | +$12.5M | 0.07% | 308 |
|
|
2024
Q1 | $17M | Sell |
29,300
-19,500
| -40% | -$10.9M | 0.04% | 476 |
|
|
2023
Q4 | $25.9M | Sell |
48,800
-2,500
| -5% | -$1.21M | 0.06% | 346 |
|
|
2023
Q3 | $26M | Buy |
51,300
+2,500
| +5% | +$1.33M | 0.07% | 286 |
|
|
2023
Q2 | $25.5M | Sell |
48,800
-6,600
| -12% | -$3.56M | 0.08% | 227 |
|
|
2023
Q1 | $31.9M | Buy |
55,400
+38,500
| +228% | +$21.7M | 0.07% | 237 |
|
|
2022
Q4 | $9.31M | Sell |
16,900
-3,700
| -18% | -$1.96M | 0.03% | 703 |
|
|
2022
Q3 | $10.4M | Buy |
20,600
+4,100
| +25% | +$2.29M | 0.03% | 603 |
|
|
2022
Q2 | $8.96M | Buy |
16,500
+5,100
| +45% | +$2.81M | 0.03% | 679 |
|
|
2022
Q1 | $6.73M | Sell |
11,400
-11,800
| -51% | -$6.78M | 0.02% | 825 |
|
|
2021
Q4 | $15.5M | Buy |
23,200
+9,500
| +69% | +$5.93M | 0.05% | 394 |
|
|
2021
Q3 | $7.83M | Buy |
13,700
+7,500
| +121% | +$4.12M | 0.03% | 668 |
|
|
2021
Q2 | $3.13M | Sell |
6,200
-400
| -6% | -$189K | 0.01% | 1136 |
|
|
2021
Q1 | $3.01M | Sell |
6,600
-3,200
| -33% | -$1.53M | 0.01% | 1011 |
|
|
2020
Q4 | $4.57M | Buy |
9,800
+7,800
| +390% | +$3.66M | 0.02% | 795 |
|
|
2020
Q3 | $883K | Sell |
2,000
-2,100
| -51% | -$868K | ﹤0.01% | 1756 |
|
|
2020
Q2 | $1.49M | Sell |
4,100
-2,600
| -39% | -$871K | 0.01% | 1346 |
|
|
2020
Q1 | $1.9M | Sell |
6,700
-8,900
| -57% | -$2.81M | 0.01% | 868 |
|
|
2019
Q4 | $5.07M | Buy |
15,600
+13,600
| +680% | +$4.12M | 0.04% | 568 |
|
|
2019
Q3 | $583K | Buy |
2,000
+500
| +33% | +$143K | 0.01% | 2004 |
|
|
2019
Q2 | $441K | Sell |
1,500
-3,100
| -67% | -$854K | ﹤0.01% | 2291 |
|
|
2019
Q1 | $1.26M | Sell |
4,600
-1,100
| -19% | -$274K | 0.01% | 1458 |
|
|
2018
Q4 | $1.28M | Buy |
5,700
+2,000
| +54% | +$469K | 0.01% | 1467 |
|
|
2018
Q3 | $903K | Sell |
3,700
-800
| -18% | -$184K | ﹤0.01% | 2197 |
|
|
2018
Q2 | $932K | Sell |
4,500
-300
| -6% | -$63.7K | 0.01% | 2184 |
|
|
2018
Q1 | $991K | Sell |
4,800
-14,800
| -76% | -$3.11M | 0.01% | 1940 |
|
|
2017
Q4 | $3.72K | Buy |
19,600
+7,000
| +56% | +$1.34M | 0.02% | 847 |
|
|
2017
Q3 | $2.38K | Buy |
12,600
+1,500
| +14% | +$272K | 0.01% | 1138 |
|
|
2017
Q2 | $1.94K | Buy |
11,100
+4,700
| +73% | +$789K | 0.01% | 1223 |
|
|
2017
Q1 | $983 | Sell |
6,400
-300
| -4% | -$45.9K | 0.01% | 1666 |
|
|
2016
Q4 | $945K | Sell |
6,700
-6,900
| -51% | -$1.02M | 0.01% | 1564 |
|
|
2016
Q3 | $2.16M | Sell |
13,600
-5,800
| -30% | -$894K | 0.01% | 939 |
|
|
2016
Q2 | $2.87M | Sell |
19,400
-23,400
| -55% | -$3.45M | 0.02% | 773 |
|
|
2016
Q1 | $6.06M | Buy |
42,800
+28,400
| +197% | +$3.81M | 0.05% | 332 |
|
|
2015
Q4 | $2.04M | Buy |
14,400
+4,600
| +47% | +$614K | 0.02% | 756 |
|
|
2015
Q3 | $1.2M | Sell |
9,800
-9,500
| -49% | -$1.24M | 0.01% | 942 |
|
|
2015
Q2 | $2.5M | Buy |
19,300
+6,400
| +50% | +$834K | 0.02% | 589 |
|
|
2015
Q1 | $1.73M | Buy |
12,900
+10,300
| +396% | +$1.33M | 0.02% | 714 |
|
|
2014
Q4 | $327K | Sell |
2,600
-2,700
| -51% | -$328K | ﹤0.01% | 1929 |
|
|
2014
Q3 | $646K | Buy |
5,300
+800
| +18% | +$97.3K | 0.01% | 1108 |
|
|
2014
Q2 | $531 | Sell |
4,500
-6,900
| -61% | -$812K | 0.01% | 1225 |
|
|
2014
Q1 | $1.37K | Buy |
11,400
+8,700
| +322% | +$1.03M | 0.02% | 670 |
|
|
2013
Q4 | $301K | Buy |
+2,700
| New | +$268K | ﹤0.01% | 1901 |
|
|
2013
Q3 | – | Sell |
-10,600
| Closed | -$898K | – | 3242 |
|
|
2013
Q2 | $898K | Buy |
+10,600
| New | +$882K | 0.01% | 944 |
|
Other funds holding TMO
VCM
Walleye Trading's TMO Position: Q1 2026 in Review
Walleye Trading sold out of Thermo Fisher Scientific (TMO) in Q1 2026, closing a stake of 52,190 shares — an estimated $28.3M sold.
Walleye Trading first reported a position in TMO in Q2 2013 and held it in 34 quarters. The position peaked at $30.2M in Q4 2025. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.
- Walleye Trading reported no remaining Thermo Fisher Scientific position as of Q1 2026 after selling out during the quarter.
- Walleye Trading sold 52,190 Thermo Fisher Scientific shares in Q1 2026, an estimated $28.3M.
- Walleye Trading first reported a position in Thermo Fisher Scientific in Q2 2013 and held it in 34 quarters.
- Walleye Trading's Thermo Fisher Scientific position peaked at $30.2M in Q4 2025.
- 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.
Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.