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Rossby Financial’s Thermo Fisher Scientific TMO Stock Holding History

Rossby Financial’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
Q1 		$280K Sell
566
-188
-25% -$102K 0.06% 298
2025
Q4 		$437K Sell
754
-853
-53% -$482K 0.13% 132
2025
Q3 		$853K Sell
1,607
-107
-6% -$49.8K 0.28% 69
2025
Q2 		$695K Buy
1,714
+98
+6% +$41K 0.26% 74
2025
Q1 		$686K Sell
1,616
-153
-9% -$82.9K 0.29% 68
2024
Q4 		$920K Buy
+1,769
New +$973K 0.57% 34

Other funds holding TMO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Rossby Financial's TMO Position: Q1 2026 in Review

Rossby Financial reduced its Thermo Fisher Scientific (TMO) stake by 25% in Q1 2026, selling an estimated $102K and leaving 566 shares worth $280K. The position accounts for 0.06% of the portfolio, ranked #298.

Rossby Financial first reported a position in TMO in Q4 2024 and has held it in 6 quarters since. The position peaked at $920K in Q4 2024. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Rossby Financial held 566 shares of Thermo Fisher Scientific worth $280K as of Q1 2026.
  • Rossby Financial sold 188 Thermo Fisher Scientific shares in Q1 2026, an estimated $102K.
  • Thermo Fisher Scientific made up 0.06% of Rossby Financial's portfolio in Q1 2026, its #298 holding.
  • Rossby Financial first reported a position in Thermo Fisher Scientific in Q4 2024 and has held it in 6 quarters since.
  • Rossby Financial's Thermo Fisher Scientific position peaked at $920K in Q4 2024.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Rossby Financial's 13F filing for Q1 2026, filed 11 May 2026.