D.E. Shaw & Co’s Thermo Fisher Scientific TMO Stock Holding History

D.E. Shaw & Co’s Portfolio TMO Stock Details TMO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$295K	Sell	600 -500	-45%	-$271K	﹤0.01%	4079
2025 Q4	$637K	Buy	+1,100	New	+$622K	﹤0.01%	3804
2025 Q3	–	Sell	-4,700	Closed	-$1.91M	–	4931
2025 Q2	$1.91M	Buy	4,700 +3,600	+327%	+$1.51M	﹤0.01%	2769
2025 Q1	$547K	Sell	1,100 -9,700	-90%	-$5.25M	﹤0.01%	3456
2024 Q4	$5.62M	Sell	10,800 -3,000	-22%	-$1.65M	﹤0.01%	1874
2024 Q3	$8.54M	Buy	13,800 +12,400	+886%	+$7.34M	0.01%	1527
2024 Q2	$774K	Sell	1,400 -17,200	-92%	-$9.85M	﹤0.01%	3348
2024 Q1	$10.8M	Sell	18,600 -73,000	-80%	-$41M	0.01%	1302
2023 Q4	$48.6M	Hold	91,600	–	–	0.04%	489
2023 Q3	$46.4M	Sell	91,600 -4,000	-4%	-$2.13M	0.05%	458
2023 Q2	$49.9M	Buy	95,600 +40,300	+73%	+$21.7M	0.05%	436
2023 Q1	$31.9M	Sell	55,300 -15,900	-22%	-$8.96M	0.03%	630
2022 Q4	$39.2M	Buy	71,200 +38,700	+119%	+$20.5M	0.04%	536
2022 Q3	$16.5M	Buy	32,500 +3,100	+11%	+$1.73M	0.02%	981
2022 Q2	$16M	Sell	29,400 -23,400	-44%	-$12.9M	0.02%	1029
2022 Q1	$31.2M	Sell	52,800 -37,600	-42%	-$21.6M	0.03%	735
2021 Q4	$60.3M	Buy	90,400 +50,400	+126%	+$31.5M	0.05%	465
2021 Q3	$22.9M	Buy	40,000 +35,800	+852%	+$19.6M	0.02%	938
2021 Q2	$2.12M	Sell	4,200 -33,000	-89%	-$15.6M	﹤0.01%	2883
2021 Q1	$17M	Sell	37,200 -18,400	-33%	-$8.78M	0.02%	1023
2020 Q4	$25.9M	Buy	55,600 +27,100	+95%	+$12.7M	0.02%	826
2020 Q3	$12.6M	Buy	28,500 +18,500	+185%	+$7.64M	0.01%	1097
2020 Q2	$3.62M	Sell	10,000 -23,400	-70%	-$7.84M	﹤0.01%	1919
2020 Q1	$9.47M	Sell	33,400 -26,800	-45%	-$8.45M	0.01%	1028
2019 Q4	$19.6M	Sell	60,200 -16,300	-21%	-$4.94M	0.02%	830
2019 Q3	$22.3M	Buy	76,500 +40,000	+110%	+$11.5M	0.03%	723
2019 Q2	$10.7M	Buy	+36,500	New	+$10.1M	0.01%	1095
2019 Q1	–	Sell	-40,000	Closed	-$8.95M	–	3931
2018 Q4	$8.95M	Hold	40,000	–	–	0.01%	1166
2018 Q3	$9.76M	Buy	40,000 +29,000	+264%	+$6.67M	0.01%	1135
2018 Q2	$2.28M	Sell	11,000 -4,200	-28%	-$892K	﹤0.01%	2130
2018 Q1	$3.14M	Sell	15,200 -14,900	-50%	-$3.13M	﹤0.01%	1722
2017 Q4	$5.71M	Hold	30,100	–	–	0.01%	1402
2017 Q3	$5.7M	Buy	+30,100	New	+$5.45M	0.01%	1273
2017 Q2	–	Sell	-33,300	Closed	-$5.12M	–	3540
2017 Q1	$5.12M	Sell	33,300 -20,000	-38%	-$3.06M	0.01%	1278
2016 Q4	$7.52M	Buy	53,300 +23,300	+78%	+$3.44M	0.01%	1107
2016 Q3	$4.77M	Hold	30,000	–	–	0.01%	1330
2016 Q2	$4.43M	Buy	30,000 +10,000	+50%	+$1.48M	0.01%	1358
2016 Q1	$2.83M	Sell	20,000 -26,400	-57%	-$3.54M	0.01%	1636
2015 Q4	$6.58M	Sell	46,400 -13,300	-22%	-$1.77M	0.01%	1224
2015 Q3	$7.3M	Hold	59,700	–	–	0.01%	1152
2015 Q2	$7.75M	Hold	59,700	–	–	0.01%	1169
2015 Q1	$8.02M	Hold	59,700	–	–	0.01%	1096
2014 Q4	$7.48M	Buy	59,700 +17,600	+42%	+$2.14M	0.01%	1289
2014 Q3	$5.12M	Sell	42,100 -1,300	-3%	-$158K	0.01%	1551
2014 Q2	$5.12M	Sell	43,400 -1,400	-3%	-$165K	0.01%	1607
2014 Q1	$5.39M	Sell	44,800 -54,400	-55%	-$6.47M	0.01%	1524
2013 Q4	$11M	Buy	99,200 +48,900	+97%	+$4.86M	0.02%	1071
2013 Q3	$4.63M	Buy	50,300 +30,300	+152%	+$2.74M	0.01%	1668
2013 Q2	$1.69M	Buy	+20,000	New	+$1.66M	﹤0.01%	2285

Other funds holding TMO

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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. 2,587 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.
2,587 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.