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Westmount Partners’s Thermo Fisher Scientific TMO Stock Holding History

Westmount Partners’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 		$540K Sell
1,076
-20
-2% -$9.6K 0.12% 139
2026
Q1 		$539K Sell
1,096
-151
-12% -$81.9K 0.13% 136
2025
Q4 		$723K Buy
1,247
+500
+67% +$283K 0.18% 102
2025
Q3 		$397K Sell
747
-10
-1% -$4.66K 0.1% 160
2025
Q2 		$307K Buy
757
+10
+1% +$4.18K 0.08% 190
2025
Q1 		$372K Buy
747
+17
+2% +$9.21K 0.11% 154
2024
Q4 		$380K Hold
730
– – 0.12% 138
2024
Q3 		$452K Buy
730
+14
+2% +$8.29K 0.14% 127
2024
Q2 		$388K Hold
716
– – 0.13% 134
2024
Q1 		$416K Buy
716
+23
+3% +$12.9K 0.15% 128
2023
Q4 		$368K Buy
693
+10
+1% +$4.84K 0.15% 135
2023
Q3 		$346K Hold
683
– – 0.15% 141
2023
Q2 		$356K Sell
683
-1
-0.1% -$540 0.16% 134
2023
Q1 		$394K Sell
684
-5
-0.7% -$2.82K 0.18% 117
2022
Q4 		$379K Buy
+689
New +$365K 0.2% 118

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

Westmount Partners's TMO Position: Q2 2026 in Review

Westmount Partners reduced its Thermo Fisher Scientific (TMO) stake by 1.8% in Q2 2026, selling an estimated $9.6K and leaving 1,076 shares worth $540K. The position accounts for 0.12% of the portfolio, ranked #139.

Westmount Partners first reported a position in TMO in Q4 2022 and has held it in 15 quarters since. The position peaked at $723K in Q4 2025. 2,620 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Westmount Partners held 1,076 shares of Thermo Fisher Scientific worth $540K as of Q2 2026.
  • Westmount Partners sold 20 Thermo Fisher Scientific shares in Q2 2026, an estimated $9.6K.
  • Thermo Fisher Scientific made up 0.12% of Westmount Partners's portfolio in Q2 2026, its #139 holding.
  • Westmount Partners first reported a position in Thermo Fisher Scientific in Q4 2022 and has held it in 15 quarters since.
  • Westmount Partners's Thermo Fisher Scientific position peaked at $723K in Q4 2025.
  • 2,620 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Westmount Partners's 13F filing for Q2 2026, filed 7 Jul 2026.