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IDYA — IDEAYA BIOSCIENCES INC

Reported value held$1.96B
Funds holding (latest)42
SectorHealth Care
Funds holding (Q2 2026)31
Institutional value$1.51B · 42.84M sh
New / Add / Cut / Exit3 / 16 / 10 / 2
Top-5 / Top-10 concentration80.5% / 92.1%
Institutional holdings change Reducing -11.0% (-5.27M sh)
Institutional value change Down -2.9%

As of Q2 2026, 31 SEC-registered investment managers reported holding IDYA (IDEAYA BIOSCIENCES INC) in their latest 13F filings, with a combined reported value of $1.51B across 42.84M shares. That is -11.0% by share count (-5.27M shares) versus the previous quarter, while reported value moved -2.9%. Ownership is concentrated: the five largest holders account for 80.5% of reported value and the top ten for 92.1%.

Compared with the prior quarter, 3 opened new positions, 16 added to existing stakes, 10 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

IDYA is classified in the Health Care sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
Fidelity Management & Research (FMR) history Q2 2026 14.11M $525.86M 0.03% Add
BlackRock Inc history Q2 2026 8.89M $331.45M 0.01% Add
Janus Henderson Group history Q1 2026 7.27M $242.02M 0.12% Add
Capital Research Global Investors history Q2 2026 5.34M $199.20M 0.03% Add
Vanguard Group history Q4 2025 5.02M $173.52M 0.00% Add
Geode Capital Management history Q2 2026 2.43M $90.42M 0.01% Reduce
Morgan Stanley history Q2 2026 1.93M $71.99M 0.00% Add
Goldman Sachs Group history Q2 2026 1.23M $45.90M 0.00% Reduce
Bank of America Corp history Q2 2026 1.03M $38.24M 0.00% Add
Arrowstreet Capital history Q2 2026 891.61K $33.23M 0.01% New
Northern Trust Corp history Q2 2026 804.12K $29.97M 0.00% Add
Charles Schwab Investment Management history Q2 2026 754.89K $28.13M 0.00% Add
UBS Group AG history Q2 2026 656.72K $24.48M 0.00% Reduce
Citadel Advisors history Q2 2026 366.74K $13.67M 0.00% Reduce
Wells Fargo & Co history Q2 2026 297.85K $11.10M 0.00% Add
Balyasny Asset Management history Q2 2026 297.56K $11.09M 0.01% Add
Point72 Asset Management history Q1 2026 327.90K $10.93M 0.01% Reduce
JPMorgan Chase & Co history Q2 2026 267.49K $9.93M 0.00% New
BNY Mellon history Q2 2026 265.20K $9.88M 0.00% Add
Franklin Resources history Q2 2026 230.21K $8.58M 0.00% Hold

View all 42 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Fidelity Management & Research (FMR) 361.00K 1.32M 992.47K 625.23K 773.66K 557.15K 581.52K 1.10M 1.10M 888.21K 10.16M 11.27M 12.64M 12.96M 13.13M 13.14M 13.15M 13.15M 13.17M 14.11M
BlackRock Inc — — — — — — — — — — — — 7.68M 8.38M 9.16M 8.84M 8.13M 8.21M 8.44M 8.89M
Capital Research Global Investors — — — — — — — 723.80K 1.38M 1.98M 1.98M 2.16M 2.57M 2.57M 2.73M 6.55M 6.55M 5.28M 5.16M 5.34M
Geode Capital Management 530.77K 567.51K 614.61K 619.17K 626.86K 805.90K 859.93K 1.02M 1.16M 1.35M 1.57M 1.77M 1.95M 1.99M 2.08M 2.11M 2.15M 2.07M 2.50M 2.43M
Morgan Stanley 27.38K 39.19K 120.84K 86.06K 49.03K 58.12K 90.75K 352.57K 232.78K 1.23M 763.62K 784.12K 360.64K 1.56M 1.69M 1.45M 1.58M 1.25M 1.86M 1.93M
Goldman Sachs Group 55.88K 104.50K 191.99K 100.99K 111.72K 160.83K 191.73K 390.08K 420.02K 278.17K 418.90K 676.73K 869.18K 1.76M 816.22K 1.23M 1.23M 1.77M 1.91M 1.23M
Bank of America Corp 4.61K 110.56K 165.59K 54.28K 112.14K 170.14K 175.55K 89.64K 85.97K 189.19K 363.71K 481.60K 706.54K 747.93K 1.19M 923.71K 916.07K 902.97K 942.09K 1.03M
Arrowstreet Capital — — — — — — — — — — — — — — — — — — — 891.61K
Northern Trust Corp 308.74K 312.43K 302.57K 328.65K 320.51K 404.33K 404.50K 541.99K 561.37K 611.01K 643.47K 640.66K 771.37K 771.85K 753.53K 715.36K 709.86K 675.12K 734.12K 804.12K
Charles Schwab Investment Management 83.19K 83.46K 85.57K 90.82K 91.70K 118.14K 119.20K 146.12K 437.36K 496.46K 569.59K 610.55K 689.07K 712.81K 703.72K 716.80K 715.54K 714.63K 715.53K 754.89K
UBS Group AG 44.37K 117.37K 76.37K 4.61K 14.85K 114.60K 56.45K 9.05K 56.53K 150.70K 243.05K 228.81K 139.55K 418.49K 450.15K 751.90K 1.06M 1.09M 762.55K 656.72K
Citadel Advisors — 17.20K 466.59K 962.04K 1.47M 1.08M 1.02M 1.17M 760.50K 1.65M 1.44M 1.50M 1.07M 1.89M 1.59M 1.88M 1.33M 1.01M 773.10K 366.74K
Wells Fargo & Co 23.28K 41.71K 32.67K 1.40K 1.60K 517 29.61K 43.16K 35.89K 17.22K 125.25K 149.22K 153.61K 150.52K 169.35K 217.13K 243.01K 256.14K 243.33K 297.85K
Balyasny Asset Management — — — — — — — — — 466.27K — — 7.61K — 217.86K 22.12K 380.31K 596.48K 208.34K 297.56K
JPMorgan Chase & Co 24.78K 16.19K 20.06K 21.05K 22.36K 27.99K 2.49K 110.56K 112.77K 116.50K 92.97K 67.75K 79.78K 274.69K 330.59K 446.42K 174.26K 299.89K — 267.49K
BNY Mellon 110.42K 114.43K 112.91K 108.53K 121.01K 152.61K 153.90K 174.17K 196.29K 216.67K 221.36K 316.49K 276.23K 226.30K 226.69K 249.85K 248.90K 244.04K 250.32K 265.20K
Franklin Resources — — — — — — — 22.26K 25.98K 27.24K 25.82K 31.73K — — — — 235.43K 240.21K 230.27K 230.21K
Citigroup Inc 25.22K 92.25K 21.98K 203.50K 105.51K 70.14K 104.16K 53.29K 55.25K 89.70K 205.12K 46.08K 70.68K 126.16K 164.47K 61.75K 40.81K 127.07K 88.88K 191.07K
Invesco Ltd 242.18K 12.70K 12.77K 12.53K 12.46K 109.15K 19.32K 229.11K 290.27K 217.73K 298.69K 129.92K 154.60K 56.69K 70.97K 83.98K 124.20K 238.31K 111.11K 145.22K
Manulife Financial 17.11K 17.27K 59.97K 44.55K 44.18K 46.71K 16.84K 46.22K 78.41K 92.44K 111.92K 104.78K 98.39K 82.60K 72.31K 71.18K 66.49K 69.91K 72.91K 107.58K

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