D.E. Shaw & Co’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 | $149M | Buy |
302,848
+255,305
| +537% | +$139M | 0.09% | 253 |
|
|
2025
Q4 | $27.5M | Sell |
47,543
-16,913
| -26% | -$9.56M | 0.02% | 1037 |
|
|
2025
Q3 | $31.3M | Sell |
64,456
-1,261,516
| -95% | -$587M | 0.02% | 895 |
|
|
2025
Q2 | $538M | Buy |
1,325,972
+1,090,601
| +463% | +$456M | 0.38% | 30 |
|
|
2025
Q1 | $117M | Sell |
235,371
-307,955
| -57% | -$167M | 0.1% | 236 |
|
|
2024
Q4 | $283M | Buy |
543,326
+205,477
| +61% | +$113M | 0.21% | 94 |
|
|
2024
Q3 | $209M | Buy |
337,849
+136,585
| +68% | +$80.9M | 0.18% | 124 |
|
|
2024
Q2 | $111M | Buy |
201,264
+143,588
| +249% | +$82.3M | 0.1% | 220 |
|
|
2024
Q1 | $33.5M | Sell |
57,676
-44,821
| -44% | -$25.2M | 0.03% | 642 |
|
|
2023
Q4 | $54.4M | Sell |
102,497
-114,846
| -53% | -$55.6M | 0.05% | 448 |
|
|
2023
Q3 | $110M | Sell |
217,343
-52,575
| -19% | -$28M | 0.11% | 198 |
|
|
2023
Q2 | $141M | Buy |
269,918
+225,195
| +504% | +$122M | 0.14% | 155 |
|
|
2023
Q1 | $25.8M | Sell |
44,723
-23,716
| -35% | -$13.4M | 0.03% | 737 |
|
|
2022
Q4 | $37.7M | Sell |
68,439
-266,942
| -80% | -$141M | 0.04% | 551 |
|
|
2022
Q3 | $170M | Buy |
335,381
+95,664
| +40% | +$53.5M | 0.2% | 82 |
|
|
2022
Q2 | $130M | Sell |
239,717
-132,921
| -36% | -$73.2M | 0.15% | 123 |
|
|
2022
Q1 | $220M | Sell |
372,638
-152,173
| -29% | -$87.4M | 0.21% | 72 |
|
|
2021
Q4 | $350M | Sell |
524,811
-4,094
| -0.8% | -$2.56M | 0.29% | 39 |
|
|
2021
Q3 | $302M | Buy |
528,905
+307,070
| +138% | +$169M | 0.27% | 47 |
|
|
2021
Q2 | $112M | Sell |
221,835
-52,972
| -19% | -$25M | 0.1% | 238 |
|
|
2021
Q1 | $125M | Buy |
274,807
+222,729
| +428% | +$106M | 0.12% | 185 |
|
|
2020
Q4 | $24.3M | Buy |
52,078
+504
| +1% | +$236K | 0.02% | 856 |
|
|
2020
Q3 | $22.8M | Buy |
51,574
+5,640
| +12% | +$2.33M | 0.02% | 761 |
|
|
2020
Q2 | $16.6M | Sell |
45,934
-39,106
| -46% | -$13.1M | 0.02% | 879 |
|
|
2020
Q1 | $24.1M | Buy |
85,040
+19,936
| +31% | +$6.29M | 0.04% | 538 |
|
|
2019
Q4 | $21.1M | Sell |
65,104
-47,361
| -42% | -$14.4M | 0.02% | 789 |
|
|
2019
Q3 | $32.8M | Sell |
112,465
-66,718
| -37% | -$19.1M | 0.04% | 559 |
|
|
2019
Q2 | $52.6M | Buy |
179,183
+54,193
| +43% | +$14.9M | 0.07% | 363 |
|
|
2019
Q1 | $34.2M | Buy |
124,990
+94,482
| +310% | +$23.5M | 0.04% | 497 |
|
|
2018
Q4 | $6.83M | Buy |
30,508
+23,488
| +335% | +$5.51M | 0.01% | 1335 |
|
|
2018
Q3 | $1.71M | Sell |
7,020
-8,827
| -56% | -$2.03M | ﹤0.01% | 2306 |
|
|
2018
Q2 | $3.28M | Buy |
15,847
+9,293
| +142% | +$1.97M | ﹤0.01% | 1839 |
|
|
2018
Q1 | $1.35M | Sell |
6,554
-3,471
| -35% | -$729K | ﹤0.01% | 2298 |
|
|
2017
Q4 | $1.9M | Sell |
10,025
-61,210
| -86% | -$11.7M | ﹤0.01% | 2174 |
|
|
2017
Q3 | $13.5M | Sell |
71,235
-300,848
| -81% | -$54.5M | 0.02% | 774 |
|
|
2017
Q2 | $64.9M | Sell |
372,083
-507,743
| -58% | -$85.3M | 0.11% | 227 |
|
|
2017
Q1 | $135M | Buy |
879,826
+308,900
| +54% | +$47.2M | 0.24% | 85 |
|
|
2016
Q4 | $80.6M | Buy |
570,926
+504,403
| +758% | +$74.4M | 0.14% | 167 |
|
|
2016
Q3 | $10.6M | Sell |
66,523
-38,566
| -37% | -$5.94M | 0.02% | 854 |
|
|
2016
Q2 | $15.5M | Sell |
105,089
-207,453
| -66% | -$30.6M | 0.03% | 647 |
|
|
2016
Q1 | $44.3M | Sell |
312,542
-128,680
| -29% | -$17.2M | 0.08% | 293 |
|
|
2015
Q4 | $62.6M | Sell |
441,222
-319,059
| -42% | -$42.6M | 0.09% | 254 |
|
|
2015
Q3 | $93M | Buy |
760,281
+234,373
| +45% | +$30.5M | 0.14% | 170 |
|
|
2015
Q2 | $68.2M | Buy |
525,908
+218,648
| +71% | +$28.5M | 0.1% | 235 |
|
|
2015
Q1 | $41.3M | Sell |
307,260
-287,531
| -48% | -$37.1M | 0.06% | 364 |
|
|
2014
Q4 | $74.5M | Sell |
594,791
-821,977
| -58% | -$99.9M | 0.1% | 248 |
|
|
2014
Q3 | $172M | Sell |
1,416,768
-843,409
| -37% | -$103M | 0.22% | 76 |
|
|
2014
Q2 | $267M | Buy |
2,260,177
+150,239
| +7% | +$17.7M | 0.36% | 40 |
|
|
2014
Q1 | $254M | Buy |
2,109,938
+553,879
| +36% | +$65.9M | 0.36% | 44 |
|
|
2013
Q4 | $173M | Buy |
1,556,059
+644,120
| +71% | +$64M | 0.24% | 79 |
|
|
2013
Q3 | $84M | Buy |
911,939
+482,365
| +112% | +$43.6M | 0.13% | 159 |
|
|
2013
Q2 | $36.4M | Buy |
+429,574
| New | +$35.8M | 0.07% | 308 |
|
Other funds holding TMO
VCM
D.E. Shaw & Co's TMO Position: Q1 2026 in Review
D.E. Shaw & Co increased its Thermo Fisher Scientific (TMO) stake by 537% in Q1 2026, buying an estimated $139M and bringing the position to 302,848 shares worth $149M. The position accounts for 0.09% of the portfolio, ranked #253.
D.E. Shaw & Co first reported a position in TMO in Q2 2013 and has held it in 52 quarters since. The position peaked at $538M in Q2 2025. 2,588 funds tracked by Wall St. Rank hold TMO as of Q1 2026.
- D.E. Shaw & Co held 302,848 shares of Thermo Fisher Scientific worth $149M as of Q1 2026.
- D.E. Shaw & Co bought 255,305 Thermo Fisher Scientific shares in Q1 2026, an estimated $139M.
- Thermo Fisher Scientific made up 0.09% of D.E. Shaw & Co's portfolio in Q1 2026, its #253 holding.
- D.E. Shaw & Co first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 52 quarters since.
- D.E. Shaw & Co's Thermo Fisher Scientific position peaked at $538M in Q2 2025.
- 2,588 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.
Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.