DB
TMO icon

Dmitry Balyasny’s Thermo Fisher Scientific TMO Stock Holding History

Dmitry Balyasny’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
Q2 		$3.51M Buy
7,000
+3,200
+84% +$1.54M ﹤0.01% 1547
2026
Q1 		$1.87M Sell
3,800
-23,000
-86% -$12.5M ﹤0.01% 1810
2025
Q4 		$15.5M Buy
26,800
+21,900
+447% +$12.4M 0.02% 849
2025
Q3 		$2.38M Buy
4,900
+2,800
+133% +$1.3M ﹤0.01% 1724
2025
Q2 		$851K Sell
2,100
-44,000
-95% -$18.4M ﹤0.01% 2097
2025
Q1 		$22.9M Buy
46,100
+33,300
+260% +$18M 0.04% 545
2024
Q4 		$6.66M Buy
12,800
+10,700
+510% +$5.88M 0.01% 1136
2024
Q3 		$1.3M Sell
2,100
-4,200
-67% -$2.49M ﹤0.01% 1862
2024
Q2 		$3.48M Buy
6,300
+5,400
+600% +$3.09M 0.01% 1331
2024
Q1 		$523K Sell
900
-1,200
-57% -$673K ﹤0.01% 2030
2023
Q4 		$1.11M Buy
2,100
+1,600
+320% +$774K ﹤0.01% 1642
2023
Q3 		$253K Sell
500
-12,500
-96% -$6.66M ﹤0.01% 1970
2023
Q2 		$6.78M Buy
+13,000
New +$7.02M 0.01% 950
2022
Q2 		– Sell
-14,000
Closed -$8.27M – 3183
2022
Q1 		$8.27M Buy
+14,000
New +$8.04M 0.03% 759
2021
Q3 		– Sell
-1,700
Closed -$858K – 2426
2021
Q2 		$858K Buy
+1,700
New +$802K ﹤0.01% 1355
2020
Q4 		– Sell
-10,000
Closed -$4.42M – 1697
2020
Q3 		$4.42M Buy
+10,000
New +$4.13M 0.03% 649
2020
Q2 		– Sell
-30,000
Closed -$8.51M – 1483
2020
Q1 		$8.51M Buy
+30,000
New +$9.46M 0.1% 277
2019
Q3 		– Sell
-15,000
Closed -$4.42M – 1589
2019
Q2 		$4.42M Sell
15,000
-21,000
-58% -$5.78M 0.03% 643
2019
Q1 		$9.85M Buy
+36,000
New +$8.96M 0.07% 389
2016
Q3 		– Sell
-30,000
Closed -$4.43M – 1266
2016
Q2 		$4.43M Buy
+30,000
New +$4.43M 0.03% 533

Other funds holding TMO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Dmitry Balyasny's TMO Position: Q2 2026 in Review

Dmitry Balyasny reduced its Thermo Fisher Scientific (TMO) stake by 19% in Q2 2026, selling an estimated $50.8M and leaving 449,628 shares worth $225M. The position accounts for 0.28% of the portfolio, ranked #56.

Dmitry Balyasny first reported a position in TMO in Q2 2013 and has held it in 38 quarters since. The position peaked at $273M in Q1 2026. 2,606 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Dmitry Balyasny held 449,628 shares of Thermo Fisher Scientific worth $225M as of Q2 2026.
  • Dmitry Balyasny sold 105,845 Thermo Fisher Scientific shares in Q2 2026, an estimated $50.8M.
  • Thermo Fisher Scientific made up 0.28% of Dmitry Balyasny's portfolio in Q2 2026, its #56 holding.
  • Dmitry Balyasny first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 38 quarters since.
  • Dmitry Balyasny's Thermo Fisher Scientific position peaked at $273M in Q1 2026.
  • 2,606 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Balyasny Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.