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 		$1.08M Sell
2,200
-48,800
-96% -$26.5M ﹤0.01% 2005
2025
Q4 		$29.6M Buy
51,000
+29,800
+141% +$16.9M 0.09% 162
2025
Q3 		$10.3M Sell
21,200
-14,100
-40% -$6.56M 0.04% 536
2025
Q2 		$14.3M Buy
35,300
+26,100
+284% +$10.9M 0.06% 365
2025
Q1 		$4.58M Sell
9,200
-28,900
-76% -$15.7M 0.02% 844
2024
Q4 		$19.8M Sell
38,100
-7,000
-16% -$3.85M 0.05% 335
2024
Q3 		$27.9M Sell
45,100
-5,100
-10% -$3.02M 0.06% 234
2024
Q2 		$27.8M Buy
50,200
+3,600
+8% +$2.06M 0.05% 248
2024
Q1 		$27.1M Buy
46,600
+9,100
+24% +$5.11M 0.05% 287
2023
Q4 		$19.9M Buy
37,500
+7,000
+23% +$3.39M 0.04% 331
2023
Q3 		$15.4M Buy
30,500
+10,000
+49% +$5.33M 0.04% 362
2023
Q2 		$10.7M Buy
20,500
+17,100
+503% +$9.23M 0.04% 373
2023
Q1 		$1.96M Buy
3,400
+800
+31% +$451K 0.03% 740
2022
Q4 		$1.43M Sell
2,600
-800
-24% -$424K 0.03% 770
2022
Q3 		$1.72M Buy
+3,400
New +$1.9M 0.03% 644
2020
Q1 		– Sell
-1,300
Closed -$422K – 1655
2019
Q4 		$422K Sell
1,300
-4,100
-76% -$1.24M 0.03% 762
2019
Q3 		$1.57M Buy
+5,400
New +$1.55M 0.09% 291
2019
Q2 		– Sell
-3,700
Closed -$1.01M – 2036
2019
Q1 		$1.01M Buy
+3,700
New +$921K 0.17% 157

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.