Question 1

Does Vanguard Group own TMO stock?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 34,133,702 shares of TMO (Thermo Fisher Scientific), worth $19.8B.

Question 2

How many shares of TMO does Vanguard Group own?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 34,133,702 shares of TMO (Thermo Fisher Scientific).

Question 3

What is Vanguard Group's TMO position worth?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group's TMO position was worth $19.8B.

Question 4

Is Vanguard Group buying or selling TMO?

Accepted Answer

In Q4 2025, Vanguard Group increased its TMO position by 288,296 shares (+0.9%).

Question 5

When did Vanguard Group first buy TMO?

Accepted Answer

Vanguard Group already held TMO in its Q3 2024 13F, the earliest on record, and listed it in 6 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Increased	34.1M	+0.8%	$19.8B	0.3%	$577.86	38
2025-Q3	Increased	33.8M	+0.2%	$16.4B	0.2%	$483.32	38
2025-Q2	Increased	33.8M	+0.9%	$13.7B	0.2%	$403.68	38
2025-Q1	Increased	33.5M	+0.7%	$16.7B	0.3%	$494.90	38
2024-Q4	Increased	33.2M	+0.6%	$17.3B	0.3%	$516.97	38
2024-Q3	First report	33.1M	-	$20.4B	0.4%	$614.24	0

TMO6 quarters

TMO
6 quarters