Walleye Capital
TMO icon

Walleye Capital’s Thermo Fisher Scientific TMO Stock Holding History

Walleye Capital’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 		$1.87M Sell
3,800
-15,200
-80% -$8.25M 0.01% 1525
2025
Q4 		$11M Buy
19,000
+5,700
+43% +$3.22M 0.03% 592
2025
Q3 		$6.45M Sell
13,300
-23,000
-63% -$10.7M 0.02% 776
2025
Q2 		$14.7M Buy
36,300
+30,100
+485% +$12.6M 0.06% 354
2025
Q1 		$3.09M Sell
6,200
-10,000
-62% -$5.42M 0.01% 1116
2024
Q4 		$8.43M Sell
16,200
-3,900
-19% -$2.14M 0.02% 741
2024
Q3 		$12.4M Sell
20,100
-3,400
-14% -$2.01M 0.03% 577
2024
Q2 		$13M Sell
23,500
-13,600
-37% -$7.79M 0.02% 599
2024
Q1 		$21.6M Buy
37,100
+11,900
+47% +$6.68M 0.04% 385
2023
Q4 		$13.4M Sell
25,200
-1,400
-5% -$678K 0.03% 533
2023
Q3 		$13.5M Buy
26,600
+10,000
+60% +$5.33M 0.03% 422
2023
Q2 		$8.66M Buy
16,600
+9,800
+144% +$5.29M 0.03% 455
2023
Q1 		$3.92M Buy
6,800
+4,600
+209% +$2.59M 0.06% 407
2022
Q4 		$1.21M Sell
2,200
-3,200
-59% -$1.7M 0.02% 881
2022
Q3 		$2.74M Buy
+5,400
New +$3.02M 0.05% 417
2020
Q1 		– Sell
-6,100
Closed -$1.98M – 1654
2019
Q4 		$1.98M Sell
6,100
-32,100
-84% -$9.73M 0.13% 201
2019
Q3 		$11.1M Buy
38,200
+21,000
+122% +$6.01M 0.66% 9
2019
Q2 		$5.05M Buy
17,200
+7,900
+85% +$2.18M 0.56% 11
2019
Q1 		$2.55M Buy
+9,300
New +$2.31M 0.42% 10

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

Walleye Capital's TMO Position: Q1 2026 in Review

Walleye Capital increased its Thermo Fisher Scientific (TMO) stake by 202% in Q1 2026, buying an estimated $15.6M and bringing the position to 43,039 shares worth $21.2M. The position accounts for 0.09% of the portfolio, ranked #176.

Walleye Capital first reported a position in TMO in Q1 2023 and has held it in 12 quarters since. The position peaked at $28.8M in Q3 2024. 2,588 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Walleye Capital held 43,039 shares of Thermo Fisher Scientific worth $21.2M as of Q1 2026.
  • Walleye Capital bought 28,793 Thermo Fisher Scientific shares in Q1 2026, an estimated $15.6M.
  • Thermo Fisher Scientific made up 0.09% of Walleye Capital's portfolio in Q1 2026, its #176 holding.
  • Walleye Capital first reported a position in Thermo Fisher Scientific in Q1 2023 and has held it in 12 quarters since.
  • Walleye Capital's Thermo Fisher Scientific position peaked at $28.8M in Q3 2024.
  • 2,588 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Walleye Capital's 13F filing for Q1 2026, filed 11 May 2026.