Question 1

Does American Century Companies own MDB stock?

Accepted Answer

Yes. As of its Q2 2026 13F, American Century Companies holds 343,305 shares of MDB (MongoDB), worth $115.3M.

Question 2

How many shares of MDB does American Century Companies own?

Accepted Answer

As of its Q2 2026 13F, American Century Companies holds 343,305 shares of MDB (MongoDB).

Question 3

What is American Century Companies' MDB position worth?

Accepted Answer

As of its Q2 2026 13F, American Century Companies' MDB position is worth $115.3M.

Question 4

Is American Century Companies buying or selling MDB?

Accepted Answer

In Q2 2026, American Century Companies increased its MDB position by 75,891 shares (+28.4%).

Question 5

When did American Century Companies first buy MDB?

Accepted Answer

American Century Companies already held MDB in its Q4 2018 13F, the earliest on record, and has listed it in 23 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	343,305	+28.4%	$115.3M	0.1%	$335.90	38
2026-Q1	Decreased	267,414	-0.1%	$65.5M	0.0%	$244.77	0
2025-Q4	Decreased	267,548	-7.6%	$112.3M	0.1%	$419.69	0
2025-Q3	Decreased	289,620	-26.6%	$89.9M	0.0%	$310.38	0
2025-Q2	Decreased	394,295	-46.2%	$82.8M	0.0%	$209.99	0
2025-Q1	Increased	732,463	+7.0%	$128.5M	0.1%	$175.40	32
2024-Q4	Increased	684,896	+8.5%	$159.5M	0.1%	$232.81	33
2024-Q3	Increased	631,202	+5.0%	$170.6M	0.1%	$270.35	32