River Street Advisors’s Thermo Fisher Scientific TMO Stock Holding History

River Street Advisors’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 Q2	$265K	Sell	529 -70	-12%	-$33.6K	0.08%	152
2026 Q1	$294K	Buy	599 +55	+10%	+$29.8K	0.1%	144
2025 Q4	$315K	Hold	544	–	–	0.12%	125
2025 Q3	$264K	Sell	544 -10	-2%	-$4.66K	0.1%	137
2025 Q2	$225K	Buy	554 +3	+0.5%	+$1.25K	0.1%	141
2025 Q1	$274K	Hold	551	–	–	0.14%	119
2024 Q4	$287K	Hold	551	–	–	0.15%	118
2024 Q3	$341K	Hold	551	–	–	0.19%	117
2024 Q2	$305K	Buy	551 +28	+5%	+$16K	0.19%	119
2024 Q1	$304K	Hold	523	–	–	0.21%	105
2023 Q4	$278K	Sell	523 -41	-7%	-$19.8K	0.22%	103
2023 Q3	$285K	Buy	564 +82	+17%	+$43.7K	0.27%	93
2023 Q2	$251K	Hold	482	–	–	0.24%	102
2023 Q1	$278K	Hold	482	–	–	0.27%	97
2022 Q4	$265K	Buy	+482	New	+$255K	0.28%	97

Other funds holding TMO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

River Street Advisors's TMO Position: Q2 2026 in Review

River Street Advisors reduced its Thermo Fisher Scientific (TMO) stake by 12% in Q2 2026, selling an estimated $33.6K and leaving 529 shares worth $265K. The position accounts for 0.08% of the portfolio, ranked #152.

River Street Advisors first reported a position in TMO in Q4 2022 and has held it in 15 quarters since. The position peaked at $341K in Q3 2024. 2,609 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

River Street Advisors held 529 shares of Thermo Fisher Scientific worth $265K as of Q2 2026.
River Street Advisors sold 70 Thermo Fisher Scientific shares in Q2 2026, an estimated $33.6K.
Thermo Fisher Scientific made up 0.08% of River Street Advisors's portfolio in Q2 2026, its #152 holding.
River Street Advisors first reported a position in Thermo Fisher Scientific in Q4 2022 and has held it in 15 quarters since.
River Street Advisors's Thermo Fisher Scientific position peaked at $341K in Q3 2024.
2,609 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on River Street Advisors's 13F filing for Q2 2026, filed 21 Jul 2026.