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Woodline Partners’s Thermo Fisher Scientific TMO Stock Holding History

Woodline Partners’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 		$159M Sell
316,281
-21,538
-6% -$10.3M 0.49% 31
2026
Q1 		$166M Buy
337,819
+131,470
+64% +$71.3M 0.63% 18
2025
Q4 		$120M Buy
206,349
+167,411
+430% +$94.7M 0.46% 33
2025
Q3 		$18.9M Buy
38,938
+25,379
+187% +$11.8M 0.09% 296
2025
Q2 		$5.5M Buy
+13,559
New +$5.67M 0.03% 538
2025
Q1 		– Sell
-11,699
Closed -$6.09M – 1032
2024
Q4 		$6.09M Buy
+11,699
New +$6.43M 0.04% 445
2023
Q3 		– Sell
-55,687
Closed -$29.1M – 736
2023
Q2 		$29.1M Buy
+55,687
New +$30.1M 0.34% 83
2023
Q1 		– Sell
-139,827
Closed -$77M – 775
2022
Q4 		$77M Buy
+139,827
New +$74.1M 1.03% 11
2022
Q3 		– Sell
-50,674
Closed -$27.5M – 818
2022
Q2 		$27.5M Buy
50,674
+27,403
+118% +$15.1M 0.42% 64
2022
Q1 		$13.7M Buy
23,271
+5,318
+30% +$3.05M 0.22% 137
2021
Q4 		$12M Buy
+17,953
New +$11.2M 0.17% 162

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

Woodline Partners's TMO Position: Q2 2026 in Review

Woodline Partners reduced its Thermo Fisher Scientific (TMO) stake by 6.4% in Q2 2026, selling an estimated $10.3M and leaving 316,281 shares worth $159M. The position accounts for 0.49% of the portfolio, ranked #31.

Woodline Partners first reported a position in TMO in Q4 2021 and has held it in 11 quarters since. The position peaked at $166M in Q1 2026. 2,620 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Woodline Partners held 316,281 shares of Thermo Fisher Scientific worth $159M as of Q2 2026.
  • Woodline Partners sold 21,538 Thermo Fisher Scientific shares in Q2 2026, an estimated $10.3M.
  • Thermo Fisher Scientific made up 0.49% of Woodline Partners's portfolio in Q2 2026, its #31 holding.
  • Woodline Partners first reported a position in Thermo Fisher Scientific in Q4 2021 and has held it in 11 quarters since.
  • Woodline Partners's Thermo Fisher Scientific position peaked at $166M in Q1 2026.
  • 2,620 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Woodline Partners's 13F filing for Q2 2026, filed 14 Aug 2026.