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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 		$17.1M Buy
34,100
+22,600
+197% +$10.8M 0.02% 796
2026
Q1 		$5.65M Buy
11,500
+5,500
+92% +$2.98M 0.01% 1321
2025
Q4 		$3.48M Sell
6,000
-2,400
-29% -$1.36M ﹤0.01% 1585
2025
Q3 		$4.07M Sell
8,400
-23,700
-74% -$11M 0.01% 1461
2025
Q2 		$13M Sell
32,100
-5,700
-15% -$2.38M 0.02% 843
2025
Q1 		$18.8M Buy
37,800
+32,900
+671% +$17.8M 0.03% 625
2024
Q4 		$2.55M Buy
4,900
+500
+11% +$275K ﹤0.01% 1584
2024
Q3 		$2.72M Buy
4,400
+2,300
+110% +$1.36M ﹤0.01% 1548
2024
Q2 		$1.16M Buy
+2,100
New +$1.2M ﹤0.01% 1730
2024
Q1 		– Sell
-3,100
Closed -$1.65M – 3120
2023
Q4 		$1.65M Buy
3,100
+1,800
+138% +$871K ﹤0.01% 1512
2023
Q3 		$658K Buy
+1,300
New +$693K ﹤0.01% 1674
2021
Q3 		– Sell
-1,500
Closed -$757K – 2425
2021
Q2 		$757K Buy
+1,500
New +$708K ﹤0.01% 1414

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.