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Summa Corp’s Thermo Fisher Scientific TMO Stock Holding History

Summa Corp’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 		$628K Buy
1,253
+253
+25% +$121K 0.2% 47
2026
Q1 		$492K Hold
1,000
– – 0.2% 55
2025
Q4 		$579K Hold
1,000
– – 0.25% 45
2025
Q3 		$485K Hold
1,000
– – 0.21% 47
2025
Q2 		$405K Sell
1,000
-456
-31% -$191K 0.21% 52
2025
Q1 		$725K Hold
1,456
– – 0.42% 22
2024
Q4 		$757K Buy
1,456
+100
+7% +$55K 0.37% 19
2024
Q3 		$839K Hold
1,356
– – 0.4% 22
2024
Q2 		$750K Sell
1,356
-7
-0.5% -$4.01K 0.36% 23
2024
Q1 		$792K Buy
1,363
+576
+73% +$323K 0.43% 20
2023
Q4 		$418K Buy
+787
New +$381K 0.29% 44

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

Summa Corp's TMO Position: Q2 2026 in Review

Summa Corp increased its Thermo Fisher Scientific (TMO) stake by 25% in Q2 2026, buying an estimated $121K and bringing the position to 1,253 shares worth $628K. The position accounts for 0.2% of the portfolio, ranked #47.

Summa Corp first reported a position in TMO in Q4 2023 and has held it in 11 quarters since. The position peaked at $839K in Q3 2024. 2,609 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Summa Corp held 1,253 shares of Thermo Fisher Scientific worth $628K as of Q2 2026.
  • Summa Corp bought 253 Thermo Fisher Scientific shares in Q2 2026, an estimated $121K.
  • Thermo Fisher Scientific made up 0.2% of Summa Corp's portfolio in Q2 2026, its #47 holding.
  • Summa Corp first reported a position in Thermo Fisher Scientific in Q4 2023 and has held it in 11 quarters since.
  • Summa Corp's Thermo Fisher Scientific position peaked at $839K in Q3 2024.
  • 2,609 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Summa Corp's 13F filing for Q2 2026, filed 6 Aug 2026.