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Calamos Wealth Management’s Thermo Fisher Scientific TMO Stock Holding History

Calamos Wealth 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 		$1.03M Buy
2,091
+163
+8% +$88.5K 0.04% 201
2025
Q4 		$1.12M Buy
1,928
+443
+30% +$251K 0.04% 178
2025
Q3 		$720K Buy
1,485
+262
+21% +$122K 0.03% 220
2025
Q2 		$496K Sell
1,223
-376
-24% -$157K 0.02% 239
2025
Q1 		$796K Sell
1,599
-38
-2% -$20.6K 0.04% 172
2024
Q4 		$852K Sell
1,637
-18,727
-92% -$10.3M 0.04% 159
2024
Q3 		$12.6M Buy
20,364
+30
+0.1% +$17.8K 0.65% 38
2024
Q2 		$11.2M Buy
20,334
+334
+2% +$191K 0.6% 40
2024
Q1 		$11.6M Buy
20,000
+18,309
+1,083% +$10.3M 0.65% 38
2023
Q4 		$898K Sell
1,691
-16,723
-91% -$8.09M 0.06% 142
2023
Q3 		$9.32M Buy
18,414
+69
+0.4% +$36.8K 0.71% 37
2023
Q2 		$9.57M Sell
18,345
-575
-3% -$310K 0.7% 29
2023
Q1 		$10.9M Buy
18,920
+16,015
+551% +$9.03M 0.85% 24
2022
Q4 		$1.6M Sell
2,905
-88
-3% -$46.6K 0.12% 113
2022
Q3 		$1.52M Sell
2,993
-62
-2% -$34.7K 0.13% 110
2022
Q2 		$1.66M Buy
3,055
+40
+1% +$22K 0.15% 108
2022
Q1 		$1.78M Buy
3,015
+146
+5% +$83.9K 0.13% 116
2021
Q4 		$1.91M Sell
2,869
-98
-3% -$61.2K 0.14% 112
2021
Q3 		$1.7M Sell
2,967
-63
-2% -$34.6K 0.14% 112
2021
Q2 		$1.53M Sell
3,030
-10,514
-78% -$4.96M 0.12% 125
2021
Q1 		$6.18M Sell
13,544
-5,116
-27% -$2.44M 0.51% 54
2020
Q4 		$8.69M Buy
18,660
+1,109
+6% +$520K 0.79% 29
2020
Q3 		$7.75M Buy
17,551
+1,213
+7% +$501K 0.89% 21
2020
Q2 		$5.92M Buy
16,338
+1,602
+11% +$537K 0.74% 32
2020
Q1 		$4.18M Buy
14,736
+13,976
+1,839% +$4.41M 0.64% 46
2019
Q4 		$247K Hold
760
– – 0.03% 214
2019
Q3 		$221K Hold
760
– – 0.03% 217
2019
Q2 		$223K Hold
760
– – 0.03% 217
2019
Q1 		$208K Buy
+760
New +$189K 0.03% 210
2018
Q1 		– Sell
-14,337
Closed -$2.72M – 231
2017
Q4 		$2.72M Sell
14,337
-1,675
-10% -$321K 0.35% 73
2017
Q3 		$3.03M Buy
16,012
+136
+0.9% +$24.6K 0.42% 72
2017
Q2 		$2.77M Buy
15,876
+184
+1% +$30.9K 0.39% 74
2017
Q1 		$2.41M Buy
15,692
+3,400
+28% +$520K 0.36% 84
2016
Q4 		$1.73M Sell
12,292
-11,056
-47% -$1.63M 0.28% 109
2016
Q3 		$3.71M Buy
23,348
+2,047
+10% +$315K 0.63% 50
2016
Q2 		$3.15M Buy
21,301
+12,765
+150% +$1.88M 0.56% 52
2016
Q1 		$1.21M Buy
8,536
+1,546
+22% +$207K 0.23% 134
2015
Q4 		$992K Buy
+6,990
New +$932K 0.2% 149

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

Calamos Wealth Management's TMO Position: Q1 2026 in Review

Calamos Wealth Management increased its Thermo Fisher Scientific (TMO) stake by 8.5% in Q1 2026, buying an estimated $88.5K and bringing the position to 2,091 shares worth $1.03M. The position accounts for 0.04% of the portfolio, ranked #201.

Calamos Wealth Management first reported a position in TMO in Q4 2015 and has held it in 38 quarters since. The position peaked at $12.6M in Q3 2024. 2,590 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Calamos Wealth Management held 2,091 shares of Thermo Fisher Scientific worth $1.03M as of Q1 2026.
  • Calamos Wealth Management bought 163 Thermo Fisher Scientific shares in Q1 2026, an estimated $88.5K.
  • Thermo Fisher Scientific made up 0.04% of Calamos Wealth Management's portfolio in Q1 2026, its #201 holding.
  • Calamos Wealth Management first reported a position in Thermo Fisher Scientific in Q4 2015 and has held it in 38 quarters since.
  • Calamos Wealth Management's Thermo Fisher Scientific position peaked at $12.6M in Q3 2024.
  • 2,590 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Calamos Wealth Management's 13F filing for Q1 2026, filed 4 May 2026.