Question 1

Does Baker Bros. Advisors own IDYA stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Baker Bros. Advisors holds 5,010,030 shares of IDYA (IDEAYA Biosciences), worth $186.7M.

Question 2

How many shares of IDYA does Baker Bros. Advisors own?

Accepted Answer

As of its Q2 2026 13F, Baker Bros. Advisors holds 5,010,030 shares of IDYA (IDEAYA Biosciences).

Question 3

What is Baker Bros. Advisors' IDYA position worth?

Accepted Answer

As of its Q2 2026 13F, Baker Bros. Advisors' IDYA position is worth $186.7M.

Question 4

Is Baker Bros. Advisors buying or selling IDYA?

Accepted Answer

In Q2 2026, Baker Bros. Advisors increased its IDYA position by 1,063,515 shares (+27.0%).

Question 5

When did Baker Bros. Advisors first buy IDYA?

Accepted Answer

Baker Bros. Advisors first reported IDYA in its Q2 2019 13F and has listed it in 20 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	5M	+26.9%	$186.7M	0.9%	$37.27	53
2026-Q1	Increased	3.9M	+9.1%	$131.5M	0.8%	$34.31	46
2025-Q4	Increased	3.6M	+10.5%	$125.1M	0.7%	$34.51	47
2025-Q3	Increased	3.3M	+54.6%	$89.1M	0.6%	$27.19	59
2025-Q2	Increased	2.1M	+99.5%	$44.5M	0.4%	$21.37	56
2025-Q1	Unchanged	1.1M	0.0%	$17.4M	0.2%	$17.05	0
2024-Q4	Unchanged	1.1M	0.0%	$27.3M	0.3%	$24.93	0
2024-Q3	Unchanged	1.1M	0.0%	$33.6M	0.3%	$30.80	0