Laurion Capital Management’s Thermo Fisher Scientific TMO Stock Holding History

Laurion Capital 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
2023 Q1	–	Sell	-68,200	Closed	-$37.6M	–	512
2022 Q4	$37.6M	Buy	68,200 +55,700	+446%	+$29.5M	0.18%	127
2022 Q3	$6.34M	Buy	12,500 +2,500	+25%	+$1.4M	0.04%	232
2022 Q2	$5.43M	Buy	+10,000	New	+$5.5M	0.08%	151
2020 Q1	–	Sell	-2,400	Closed	-$779K	–	1076
2019 Q4	$779K	Sell	2,400 -8,200	-77%	-$2.49M	0.01%	615
2019 Q3	$3.09M	Buy	10,600 +9,900	+1,414%	+$2.83M	0.02%	420
2019 Q2	$206K	Buy	+700	New	+$193K	﹤0.01%	824
2019 Q1	–	Sell	-45,200	Closed	-$10.1M	–	1284
2018 Q4	$10.1M	Buy	45,200 +40,000	+769%	+$9.38M	0.18%	149
2018 Q3	$1.27M	Buy	+5,200	New	+$1.2M	0.01%	628
2017 Q4	–	Sell	-2,200	Closed	-$416K	–	1842
2017 Q3	$416K	Buy	2,200 +800	+57%	+$145K	﹤0.01%	1225
2017 Q2	$244K	Buy	+1,400	New	+$235K	﹤0.01%	1493
2017 Q1	–	Sell	-10,500	Closed	-$1.48M	–	1560
2016 Q4	$1.48M	Buy	+10,500	New	+$1.55M	0.01%	645

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

Laurion Capital Management's TMO Position: Q1 2026 in Review

Laurion Capital Management opened a new position in Thermo Fisher Scientific (TMO) in Q1 2026: 3,980 shares worth $1.96M. The stake represents 0.09% of the portfolio and ranks #217 among its holdings. This is a return to the name: Laurion Capital Management previously reported a position in TMO as recently as Q2 2025.

Laurion Capital Management first reported a position in TMO in Q2 2015 and has held it in 21 quarters since. The position peaked at $61.5M in Q1 2024. 2,590 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

Laurion Capital Management held 3,980 shares of Thermo Fisher Scientific worth $1.96M as of Q1 2026.
Thermo Fisher Scientific was a new Laurion Capital Management position in Q1 2026.
Thermo Fisher Scientific made up 0.09% of Laurion Capital Management's portfolio in Q1 2026, its #217 holding.
Laurion Capital Management first reported a position in Thermo Fisher Scientific in Q2 2015 and has held it in 21 quarters since.
Laurion Capital Management's Thermo Fisher Scientific position peaked at $61.5M in Q1 2024.
2,590 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Laurion Capital Management's 13F filing for Q1 2026, filed 14 May 2026.