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	$21.2M	Buy	43,039 +28,793	+202%	+$15.6M	0.09%	176
2025 Q4	$8.25M	Buy	14,246 +9,184	+181%	+$5.19M	0.03%	785
2025 Q3	$2.46M	Buy	5,062 +2,671	+112%	+$1.24M	0.01%	1425
2025 Q2	$969K	Sell	2,391 -21,704	-90%	-$9.07M	﹤0.01%	2076
2025 Q1	$12M	Sell	24,095 -28,341	-54%	-$15.3M	0.05%	371
2024 Q4	$27.3M	Buy	52,436 +5,938	+13%	+$3.26M	0.07%	235
2024 Q3	$28.8M	Buy	46,498 +16,241	+54%	+$9.61M	0.06%	227
2024 Q2	$16.7M	Buy	30,257 +4,188	+16%	+$2.4M	0.03%	443
2024 Q1	$15.2M	Sell	26,069 -25,833	-50%	-$14.5M	0.03%	568
2023 Q4	$27.5M	Buy	51,902 +3,958	+8%	+$1.92M	0.06%	234
2023 Q3	$24.3M	Buy	+47,944	New	+$25.5M	0.06%	195
2023 Q2	–	Sell	-300	Closed	-$162K	–	4882
2023 Q1	$173K	Buy	+300	New	+$169K	﹤0.01%	2575

Other funds holding TMO

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

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.