Assenagon Asset Management
TMO icon

Assenagon Asset Management’s Thermo Fisher Scientific TMO Stock Holding History

Assenagon Asset 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
2024
Q4 		– Sell
-1,000
Closed -$619K – 1451
2024
Q3 		$619K Sell
1,000
-200
-17% -$118K ﹤0.01% 1211
2024
Q2 		$664K Hold
1,200
– – ﹤0.01% 1190
2024
Q1 		$697K Hold
1,200
– – ﹤0.01% 1136
2023
Q4 		$637K Buy
+1,200
New +$581K ﹤0.01% 1206

Other funds holding TMO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $180B AUM 37.51% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return

Assenagon Asset Management's TMO Position: Q2 2026 in Review

Assenagon Asset Management increased its Thermo Fisher Scientific (TMO) stake by 83% in Q2 2026, buying an estimated $74.6M and bringing the position to 341,813 shares worth $171M. The position accounts for 0.21% of the portfolio, ranked #83.

Assenagon Asset Management first reported a position in TMO in Q3 2017 and has held it in 35 quarters since. The position peaked at $298M in Q3 2025. 1,619 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Assenagon Asset Management held 341,813 shares of Thermo Fisher Scientific worth $171M as of Q2 2026.
  • Assenagon Asset Management bought 155,377 Thermo Fisher Scientific shares in Q2 2026, an estimated $74.6M.
  • Thermo Fisher Scientific made up 0.21% of Assenagon Asset Management's portfolio in Q2 2026, its #83 holding.
  • Assenagon Asset Management first reported a position in Thermo Fisher Scientific in Q3 2017 and has held it in 35 quarters since.
  • Assenagon Asset Management's Thermo Fisher Scientific position peaked at $298M in Q3 2025.
  • 1,619 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.