UBS O'Connor’s IDEAYA Biosciences IDYA Stock Holding History

UBS O'Connor’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
2024 Q4	–	Sell	-15,000	Closed	-$5.63K	–	499
2024 Q3	$5.63K	Buy	+15,000	New	+$569K	﹤0.01%	480

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

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

Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 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

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

UBS O'Connor's IDYA Position: Q3 2025 in Review

UBS O'Connor sold out of IDEAYA Biosciences (IDYA) in Q3 2025, closing a stake of 51,600 shares — an estimated $1.08M sold.

UBS O'Connor first reported a position in IDYA in Q3 2022 and held it in 12 quarters. The position peaked at $3.4M in Q3 2023. 224 funds tracked by Wall St. Rank hold IDYA as of Q3 2025.

UBS O'Connor reported no remaining IDEAYA Biosciences position as of Q3 2025 after selling out during the quarter.
UBS O'Connor sold 51,600 IDEAYA Biosciences shares in Q3 2025, an estimated $1.08M.
UBS O'Connor first reported a position in IDEAYA Biosciences in Q3 2022 and held it in 12 quarters.
UBS O'Connor's IDEAYA Biosciences position peaked at $3.4M in Q3 2023.
224 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.