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TCW Group’s Thermo Fisher Scientific TMO Stock Holding History

TCW Group’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 		$3.05M Buy
6,213
+273
+5% +$148K 0.02% 230
2025
Q4 		$3.44M Buy
+5,940
New +$3.36M 0.02% 214
2021
Q2 		– Sell
-31,593
Closed -$14.4M – 360
2021
Q1 		$14.4M Sell
31,593
-10,501
-25% -$5.01M 0.14% 117
2020
Q4 		$19.6M Sell
42,094
-12,827
-23% -$6.01M 0.17% 97
2020
Q3 		$24.2M Sell
54,921
-234
-0.4% -$96.7K 0.26% 80
2020
Q2 		$20M Sell
55,155
-125
-0.2% -$41.9K 0.23% 88
2020
Q1 		$15.7M Buy
55,280
+13,147
+31% +$4.15M 0.22% 87
2019
Q4 		$13.7M Buy
42,133
+1,401
+3% +$425K 0.15% 112
2019
Q3 		$11.9M Buy
40,732
+7,172
+21% +$2.05M 0.14% 120
2019
Q2 		$9.86M Sell
33,560
-2,088
-6% -$575K 0.1% 127
2019
Q1 		$9.76M Buy
35,648
+7,112
+25% +$1.77M 0.09% 132
2018
Q4 		$6.39M Buy
+28,536
New +$6.7M 0.07% 148
2017
Q1 		– Sell
-29,175
Closed -$4.12M – 596
2016
Q4 		$4.12M Hold
29,175
– – 0.03% 222
2016
Q3 		$4.64M Sell
29,175
-2,504
-8% -$386K 0.04% 194
2016
Q2 		$4.68M Buy
31,679
+850
+3% +$125K 0.04% 193
2016
Q1 		$4.37M Sell
30,829
-12,441
-29% -$1.67M 0.03% 197
2015
Q4 		$6.14M Buy
43,270
+1,150
+3% +$153K 0.04% 175
2015
Q3 		$5.15M Sell
42,120
-376
-0.9% -$49K 0.04% 178
2015
Q2 		$5.51M Sell
42,496
-83,979
-66% -$10.9M 0.04% 218
2015
Q1 		$17M Buy
126,475
+123
+0.1% +$15.9K 0.08% 178
2014
Q4 		$15.8M Sell
126,352
-83,238
-40% -$10.1M 0.07% 197
2014
Q3 		$25.5M Sell
209,590
-4,744
-2% -$577K 0.1% 176
2014
Q2 		$25.3M Buy
214,334
+4,566
+2% +$537K 0.1% 177
2014
Q1 		$25.2M Sell
209,768
-457,813
-69% -$54.4M 0.1% 165
2013
Q4 		$74.3M Sell
667,581
-287,409
-30% -$28.6M 0.31% 85
2013
Q3 		$88M Sell
954,990
-106,515
-10% -$9.63M 0.41% 74
2013
Q2 		$89.8M Buy
+1,061,505
New +$88.4M 0.44% 71

Other funds holding TMO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

TCW Group's TMO Position: Q1 2026 in Review

TCW Group increased its Thermo Fisher Scientific (TMO) stake by 4.6% in Q1 2026, buying an estimated $148K and bringing the position to 6,213 shares worth $3.05M. The position accounts for 0.02% of the portfolio, ranked #230.

TCW Group first reported a position in TMO in Q2 2013 and has held it in 27 quarters since. The position peaked at $89.8M in Q2 2013. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • TCW Group held 6,213 shares of Thermo Fisher Scientific worth $3.05M as of Q1 2026.
  • TCW Group bought 273 Thermo Fisher Scientific shares in Q1 2026, an estimated $148K.
  • Thermo Fisher Scientific made up 0.02% of TCW Group's portfolio in Q1 2026, its #230 holding.
  • TCW Group first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 27 quarters since.
  • TCW Group's Thermo Fisher Scientific position peaked at $89.8M in Q2 2013.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on TCW Group's 13F filing for Q1 2026, filed 14 May 2026.