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Osterweis Capital Management’s Thermo Fisher Scientific TMO Stock Holding History

Osterweis Capital 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
Q2 		$5.51K Sell
11
-77
-88% -$37K ﹤0.01% 229
2026
Q1 		$43.3K Hold
88
– – ﹤0.01% 199
2025
Q4 		$51K Hold
88
– – ﹤0.01% 207
2025
Q3 		$42.7K Buy
88
+53
+151% +$24.7K ﹤0.01% 215
2025
Q2 		$14.2K Sell
35
-77,420
-100% -$32.4M ﹤0.01% 270
2025
Q1 		$38.5M Buy
77,455
+13,169
+20% +$7.13M 1.9% 14
2024
Q4 		$33.4M Buy
64,286
+1,419
+2% +$780K 1.56% 21
2024
Q3 		$38.9M Buy
62,867
+8,582
+16% +$5.08M 1.97% 12
2024
Q2 		$30M Buy
54,285
+571
+1% +$327K 1.55% 24
2024
Q1 		$31.2M Sell
53,714
-682
-1% -$383K 1.83% 21
2023
Q4 		$28.9M Buy
54,396
+53,396
+5,340% +$25.8M 1.83% 22
2023
Q3 		$506K Hold
1,000
– – 0.04% 109
2023
Q2 		$522K Sell
1,000
-47
-4% -$25.4K 0.03% 114
2023
Q1 		$603K Hold
1,047
– – 0.04% 111
2022
Q4 		$577K Buy
1,047
+62
+6% +$32.9K 0.04% 113
2022
Q3 		$500K Hold
985
– – 0.04% 112
2022
Q2 		$535K Sell
985
-35
-3% -$19.3K 0.04% 115
2022
Q1 		$602K Hold
1,020
– – 0.03% 120
2021
Q4 		$681K Hold
1,020
– – 0.03% 117
2021
Q3 		$583K Hold
1,020
– – 0.03% 117
2021
Q2 		$515K Hold
1,020
– – 0.03% 119
2021
Q1 		$466K Hold
1,020
– – 0.03% 114
2020
Q4 		$475K Buy
+1,020
New +$478K 0.03% 104
2020
Q1 		– Sell
-625
Closed -$203K – 123
2019
Q4 		$203K Buy
+625
New +$190K 0.01% 111

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

Osterweis Capital Management's TMO Position: Q2 2026 in Review

Osterweis Capital Management reduced its Thermo Fisher Scientific (TMO) stake by 88% in Q2 2026, selling an estimated $37K and leaving 11 shares worth $5.51K. The position accounts for ﹤0.01% of the portfolio, ranked #229.

Osterweis Capital Management first reported a position in TMO in Q4 2019 and has held it in 24 quarters since. The position peaked at $38.9M in Q3 2024. 2,609 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Osterweis Capital Management held 11 shares of Thermo Fisher Scientific worth $5.51K as of Q2 2026.
  • Osterweis Capital Management sold 77 Thermo Fisher Scientific shares in Q2 2026, an estimated $37K.
  • Thermo Fisher Scientific made up ﹤0.01% of Osterweis Capital Management's portfolio in Q2 2026, its #229 holding.
  • Osterweis Capital Management first reported a position in Thermo Fisher Scientific in Q4 2019 and has held it in 24 quarters since.
  • Osterweis Capital Management's Thermo Fisher Scientific position peaked at $38.9M in Q3 2024.
  • 2,609 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

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