Eventide Asset Management’s IDEAYA Biosciences IDYA Stock Holding History

Eventide Asset Management’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	$2.42M	Buy	+65,000	New	+$1.99M	0.03%	182
2026 Q1	–	Sell	-284,069	Closed	-$9.82M	–	290
2025 Q4	$9.82M	Sell	284,069 -341,635	-55%	-$10.9M	0.15%	145
2025 Q3	$17M	Sell	625,704 -146,140	-19%	-$3.53M	0.28%	105
2025 Q2	$16.2M	Hold	771,844	–	–	0.28%	106
2025 Q1	$12.6M	Hold	771,844	–	–	0.25%	116
2024 Q4	$19.8M	Buy	771,844 +436,844	+130%	+$12.4M	0.36%	90
2024 Q3	$10.6M	Hold	335,000	–	–	0.18%	118
2024 Q2	$11.8M	Hold	335,000	–	–	0.2%	120
2024 Q1	$14.7M	Hold	335,000	–	–	0.23%	107
2023 Q4	$11.9M	Hold	335,000	–	–	0.19%	113
2023 Q3	$9.04M	Buy	+335,000	New	+$8.5M	0.16%	124

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

Eventide Asset Management's IDYA Position: Q2 2026 in Review

Eventide Asset Management opened a new position in IDEAYA Biosciences (IDYA) in Q2 2026: 65,000 shares worth $2.42M. The stake represents 0.03% of the portfolio and ranks #182 among its holdings. This is a return to the name: Eventide Asset Management previously reported a position in IDYA as recently as Q4 2025.

Eventide Asset Management first reported a position in IDYA in Q3 2023 and has held it in 11 quarters since. The position peaked at $19.8M in Q4 2024. 284 funds tracked by Wall St. Rank hold IDYA as of Q2 2026.

Eventide Asset Management held 65,000 shares of IDEAYA Biosciences worth $2.42M as of Q2 2026.
IDEAYA Biosciences was a new Eventide Asset Management position in Q2 2026.
IDEAYA Biosciences made up 0.03% of Eventide Asset Management's portfolio in Q2 2026, its #182 holding.
Eventide Asset Management first reported a position in IDEAYA Biosciences in Q3 2023 and has held it in 11 quarters since.
Eventide Asset Management's IDEAYA Biosciences position peaked at $19.8M in Q4 2024.
284 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2026.

Based on Eventide Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.