Jane Street’s IDEAYA Biosciences IDYA Stock Holding History

Jane Street’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	$3.02M	Sell	81,000 -67,600	-45%	-$2.07M	﹤0.01%	4500
2026 Q1	$4.95M	Buy	148,600 +74,300	+100%	+$2.49M	﹤0.01%	3535
2025 Q4	$2.57M	Buy	+74,300	New	+$2.37M	﹤0.01%	4350

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

Jane Street's IDYA Position: Q2 2026 in Review

Jane Street sold out of IDEAYA Biosciences (IDYA) in Q2 2026, closing a stake of 88,133 shares — an estimated $2.7M sold.

Jane Street first reported a position in IDYA in Q2 2020 and held it in 15 quarters. The position peaked at $4.53M in Q2 2024. 285 funds tracked by Wall St. Rank hold IDYA as of Q2 2026.

Jane Street reported no remaining IDEAYA Biosciences position as of Q2 2026 after selling out during the quarter.
Jane Street sold 88,133 IDEAYA Biosciences shares in Q2 2026, an estimated $2.7M.
Jane Street first reported a position in IDEAYA Biosciences in Q2 2020 and held it in 15 quarters.
Jane Street's IDEAYA Biosciences position peaked at $4.53M in Q2 2024.
285 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.