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

Magellan 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
2026 Q1	$40.9M	Buy	83,187 +7,605	+10%	+$4.13M	0.53%	47
2025 Q4	$43.8M	Sell	75,582 -34,165	-31%	-$19.3M	0.53%	39
2025 Q3	$53.2M	Buy	109,747 +97,298	+782%	+$45.3M	0.63%	38
2025 Q2	$5.05M	Buy	12,449 +6,678	+116%	+$2.79M	0.06%	64
2025 Q1	$2.87M	Hold	5,771	–	–	0.03%	72
2024 Q4	$3M	Buy	+5,771	New	+$3.17M	0.03%	65

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

Magellan Asset Management's TMO Position: Q1 2026 in Review

Magellan Asset Management increased its Thermo Fisher Scientific (TMO) stake by 10% in Q1 2026, buying an estimated $4.13M and bringing the position to 83,187 shares worth $40.9M. The position accounts for 0.53% of the portfolio, ranked #47.

Magellan Asset Management first reported a position in TMO in Q4 2024 and has held it in 6 quarters since. The position peaked at $53.2M in Q3 2025. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

Magellan Asset Management held 83,187 shares of Thermo Fisher Scientific worth $40.9M as of Q1 2026.
Magellan Asset Management bought 7,605 Thermo Fisher Scientific shares in Q1 2026, an estimated $4.13M.
Thermo Fisher Scientific made up 0.53% of Magellan Asset Management's portfolio in Q1 2026, its #47 holding.
Magellan Asset Management first reported a position in Thermo Fisher Scientific in Q4 2024 and has held it in 6 quarters since.
Magellan Asset Management's Thermo Fisher Scientific position peaked at $53.2M in Q3 2025.
2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Magellan Asset Management's 13F filing for Q1 2026, filed 12 May 2026.