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Old West Investment Management’s Thermo Fisher Scientific TMO Stock Holding History

Old West Investment 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 		$5.06M Buy
10,083
+7,795
+341% +$3.74M 0.54% 64
2026
Q1 		$1.12M Buy
2,288
+108
+5% +$58.6K 0.12% 94
2025
Q4 		$1.26M Hold
2,180
– – 0.23% 66
2025
Q3 		$1.06M Buy
+2,180
New +$1.01M 0.24% 61

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 $3.38T AUM 44.17% 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

Old West Investment Management's TMO Position: Q2 2026 in Review

Old West Investment Management increased its Thermo Fisher Scientific (TMO) stake by 341% in Q2 2026, buying an estimated $3.74M and bringing the position to 10,083 shares worth $5.06M. The position accounts for 0.54% of the portfolio, ranked #64.

Old West Investment Management first reported a position in TMO in Q3 2025 and has held it in 4 quarters since. 2,632 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Old West Investment Management held 10,083 shares of Thermo Fisher Scientific worth $5.06M as of Q2 2026.
  • Old West Investment Management bought 7,795 Thermo Fisher Scientific shares in Q2 2026, an estimated $3.74M.
  • Thermo Fisher Scientific made up 0.54% of Old West Investment Management's portfolio in Q2 2026, its #64 holding.
  • Old West Investment Management first reported a position in Thermo Fisher Scientific in Q3 2025 and has held it in 4 quarters since.
  • 2,632 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Old West Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.