UOC
IDYA icon

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
2025
Q3 		– Sell
-51,600
Closed -$1.08M – 357
2025
Q2 		$1.08M Sell
51,600
-17,874
-26% -$343K 0.03% 205
2025
Q1 		$1.14M Sell
69,474
-3,242
-4% -$69.1K 0.03% 175
2024
Q4 		$1.87M Buy
72,716
+24,112
+50% +$683K 0.05% 162
2024
Q3 		$1.54M Sell
48,604
-11,446
-19% -$434K 0.04% 214
2024
Q2 		$2.11M Buy
60,050
+8,005
+15% +$317K 0.06% 185
2024
Q1 		$2.28M Sell
52,045
-22,530
-30% -$969K 0.07% 154
2023
Q4 		$2.65M Sell
74,575
-51,574
-41% -$1.54M 0.08% 136
2023
Q3 		$3.4M Sell
126,149
-15,000
-11% -$380K 0.06% 168
2023
Q2 		$3.32M Buy
141,149
+2,200
+2% +$45.2K 0.07% 177
2023
Q1 		$1.91M Buy
138,949
+23,379
+20% +$389K 0.05% 325
2022
Q4 		$2.1M Buy
115,570
+35,458
+44% +$597K 0.04% 458
2022
Q3 		$1.2M Buy
+80,112
New +$1.04M 0.01% 727

Other funds holding IDYA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
Point72 Asset Management
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Adage Capital Partners
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.