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Sectoral Asset Management’s Thermo Fisher Scientific TMO Stock Holding History

Sectoral Asset Management’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 		$1.72M Sell
3,508
-392
-10% -$213K 1.43% 21
2025
Q4 		$2.26M Hold
3,900
– – 1.81% 17
2025
Q3 		$1.89M Hold
3,900
– – 1.17% 34
2025
Q2 		$1.58M Buy
3,900
+650
+20% +$272K 1.04% 36
2025
Q1 		$1.62M Sell
3,250
-1,500
-32% -$812K 1.26% 21
2024
Q4 		$2.47M Sell
4,750
-500
-10% -$275K 1.65% 13
2024
Q3 		$3.25M Sell
5,250
-5,265
-50% -$3.12M 1.92% 10
2024
Q2 		$5.81M Buy
10,515
+500
+5% +$286K 2.36% 10
2024
Q1 		$5.82M Buy
10,015
+1,000
+11% +$561K 2.29% 12
2023
Q4 		$4.79M Buy
9,015
+1,850
+26% +$895K 2.06% 12
2023
Q3 		$3.63M Hold
7,165
– – 0.71% 60
2023
Q2 		$3.74M Sell
7,165
-800
-10% -$432K 0.62% 68
2023
Q1 		$4.59M Hold
7,965
– – 0.88% 52
2022
Q4 		$4.39M Buy
7,965
+2,125
+36% +$1.13M 0.85% 51
2022
Q3 		$2.96M Hold
5,840
– – 0.58% 69
2022
Q2 		$3.17M Sell
5,840
-10,885
-65% -$5.99M 0.64% 63
2022
Q1 		$9.88M Sell
16,725
-425
-2% -$244K 1.75% 17
2021
Q4 		$11.4M Sell
17,150
-1,500
-8% -$937K 1.72% 18
2021
Q3 		$10.7M Buy
18,650
+8,250
+79% +$4.53M 0.89% 42
2021
Q2 		$5.25M Hold
10,400
– – 0.42% 84
2021
Q1 		$4.75M Hold
10,400
– – 0.36% 80
2020
Q4 		$4.84M Buy
10,400
+1,750
+20% +$821K 0.34% 69
2020
Q3 		$3.82M Buy
+8,650
New +$3.57M 0.33% 73
2020
Q1 		– Sell
-11,750
Closed -$3.82M – 70
2019
Q4 		$3.82M Sell
11,750
-6,450
-35% -$1.96M 0.57% 49
2019
Q3 		$5.3M Buy
18,200
+14,750
+428% +$4.22M 0.91% 42
2019
Q2 		$1.01M Sell
3,450
-1,099
-24% -$303K 0.12% 69
2019
Q1 		$1.25M Hold
4,549
– – 0.15% 70
2018
Q4 		$1.02M Hold
4,549
– – 0.14% 62
2018
Q3 		$1.11M Buy
+4,549
New +$1.05M 0.12% 67
2016
Q2 		– Sell
-370,376
Closed -$52.4M – 77
2016
Q1 		$52.4M Sell
370,376
-236,560
-39% -$31.7M 2.54% 13
2015
Q4 		$86.1M Buy
606,936
+1,300
+0.2% +$173K 3.67% 9
2015
Q3 		$74.1M Buy
605,636
+15,600
+3% +$2.03M 3.39% 11
2015
Q2 		$76.6M Buy
590,036
+2,900
+0.5% +$378K 3.19% 10
2015
Q1 		$78.9M Buy
587,136
+66,450
+13% +$8.57M 3% 9
2014
Q4 		$65.2M Sell
520,686
-3,914
-0.7% -$476K 2.93% 11
2014
Q3 		$63.8M Buy
524,600
+84,300
+19% +$10.2M 2.69% 12
2014
Q2 		$52M Sell
440,300
-345,200
-44% -$40.6M 2.2% 17
2014
Q1 		$94.4M Buy
785,500
+268,900
+52% +$32M 3.89% 4
2013
Q4 		$57.5M Sell
516,600
-116,800
-18% -$11.6M 2.48% 15
2013
Q3 		$58.4M Buy
633,400
+125,600
+25% +$11.4M 2.81% 11
2013
Q2 		$43M Buy
+507,800
New +$42.3M 1.27% 31

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

Sectoral Asset Management's TMO Position: Q1 2026 in Review

Sectoral Asset Management reduced its Thermo Fisher Scientific (TMO) stake by 10% in Q1 2026, selling an estimated $213K and leaving 3,508 shares worth $1.72M. The position accounts for 1.43% of the portfolio, ranked #21.

Sectoral Asset Management first reported a position in TMO in Q2 2013 and has held it in 41 quarters since. The position peaked at $94.4M in Q1 2014. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Sectoral Asset Management held 3,508 shares of Thermo Fisher Scientific worth $1.72M as of Q1 2026.
  • Sectoral Asset Management sold 392 Thermo Fisher Scientific shares in Q1 2026, an estimated $213K.
  • Thermo Fisher Scientific made up 1.43% of Sectoral Asset Management's portfolio in Q1 2026, its #21 holding.
  • Sectoral Asset Management first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 41 quarters since.
  • Sectoral Asset Management's Thermo Fisher Scientific position peaked at $94.4M in Q1 2014.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Sectoral Asset Management's 13F filing for Q1 2026, filed 15 May 2026.