Ally Bridge Group’s IDEAYA Biosciences IDYA Stock Holding History

Ally Bridge Group’s Portfolio IDYA Stock Details IDYA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.52M	Buy	+67,500	New	+$2.07M	2.22%	19
2022 Q1	–	Sell	-430,000	Closed	-$10.2M	–	22
2021 Q4	$10.2M	Sell	430,000 -145,940	-25%	-$3.39M	3.55%	13
2021 Q3	$14.7M	Buy	575,940 +65,533	+13%	+$1.53M	4.32%	11
2021 Q2	$10.7M	Buy	510,407 +480,407	+1,601%	+$9.87M	2.66%	18
2021 Q1	$705K	Buy	+30,000	New	+$579K	0.14%	32

Other funds holding IDYA

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

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

Jupiter Topco New York $245B AUM

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

LGM

Logos Global Management San Francisco, California $2.32B AUM 536.01% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return

Ally Bridge Group's IDYA Position: Q2 2026 in Review

Ally Bridge Group opened a new position in IDEAYA Biosciences (IDYA) in Q2 2026: 67,500 shares worth $2.52M. The stake represents 2.22% of the portfolio and ranks #19 among its holdings. This is a return to the name: Ally Bridge Group previously reported a position in IDYA as recently as Q4 2021.

Ally Bridge Group first reported a position in IDYA in Q1 2021 and has held it in 5 quarters since. The position peaked at $14.7M in Q3 2021. 286 funds tracked by Wall St. Rank hold IDYA as of Q2 2026.

Ally Bridge Group held 67,500 shares of IDEAYA Biosciences worth $2.52M as of Q2 2026.
IDEAYA Biosciences was a new Ally Bridge Group position in Q2 2026.
IDEAYA Biosciences made up 2.22% of Ally Bridge Group's portfolio in Q2 2026, its #19 holding.
Ally Bridge Group first reported a position in IDEAYA Biosciences in Q1 2021 and has held it in 5 quarters since.
Ally Bridge Group's IDEAYA Biosciences position peaked at $14.7M in Q3 2021.
286 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2026.

Based on Ally Bridge Group's 13F filing for Q2 2026, filed 14 Aug 2026.