SG
TMO icon

Sienna Gestion’s Thermo Fisher Scientific TMO Stock Holding History

Sienna Gestion’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 		$9.83M Buy
+19,200
New +$9.22M 0.58% 57
2025
Q3 		– Sell
-9,681
Closed -$3.58M – 182
2025
Q2 		$3.58M Hold
9,681
– – 0.25% 115
2025
Q1 		$4.68M Sell
9,681
-631
-6% -$342K 0.38% 102
2024
Q4 		$5.36M Buy
+10,312
New +$5.67M 0.36% 99
2024
Q2 		– Sell
-13,756
Closed -$8M – 186
2024
Q1 		$8M Buy
+13,756
New +$7.72M 0.69% 52

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

Sienna Gestion's TMO Position: Q2 2026 in Review

Sienna Gestion opened a new position in Thermo Fisher Scientific (TMO) in Q2 2026: 19,200 shares worth $9.83M. The stake represents 0.58% of the portfolio and ranks #57 among its holdings. This is a return to the name: Sienna Gestion previously reported a position in TMO as recently as Q2 2025.

Sienna Gestion first reported a position in TMO in Q1 2024 and has held it in 5 quarters since. 2,624 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Sienna Gestion held 19,200 shares of Thermo Fisher Scientific worth $9.83M as of Q2 2026.
  • Thermo Fisher Scientific was a new Sienna Gestion position in Q2 2026.
  • Thermo Fisher Scientific made up 0.58% of Sienna Gestion's portfolio in Q2 2026, its #57 holding.
  • Sienna Gestion first reported a position in Thermo Fisher Scientific in Q1 2024 and has held it in 5 quarters since.
  • 2,624 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Sienna Gestion's 13F filing for Q2 2026, filed 13 Aug 2026.