Question 1

How many shares of IDYA does BAKER BROS. ADVISORS LP own?

Accepted Answer

As of 2026-Q2, BAKER BROS. ADVISORS LP holds 5M shares of IDYA (IDEAYA BIOSCIENCES INC).

Question 2

What is BAKER BROS. ADVISORS LP's IDYA position worth?

Accepted Answer

As of 2026-Q2, BAKER BROS. ADVISORS LP's IDYA position is worth $186.7M.

Question 3

Is BAKER BROS. ADVISORS LP buying or selling IDYA?

Accepted Answer

In 2026-Q2, BAKER BROS. ADVISORS LP increased their IDYA position (+26.9% change in shares).

Question 4

When did BAKER BROS. ADVISORS LP first buy IDYA?

Accepted Answer

Based on available 13F filings, BAKER BROS. ADVISORS LP first reported a position in IDYA in 2024-Q3. They have held the position across 21 quarters.

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