Who owns IDEAYA Biosciences, Inc.?
Institutional ownership of IDYA from SEC Form 13F filings across 204 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
204
13F holders
$2.72B
value, 2026 filers
79.4%
of shares outstanding (75.5M sh)
45
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of IDYA's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 14.1M | $525.9M | 0.0% | 14.8% | +7.1% |
| 2 | BlackRock, Inc. | 8.9M | $331.5M | 0.0% | 9.4% | +5.3% |
| 3 | Jupiter Topco LLCNEW | 8.6M | $319.7M | 0.1% | 9% | new |
| 4 | Capital Research Global Investors | 5.3M | $199.2M | 0.0% | 5.6% | +3.5% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 4.1M | $154.0M | 0.0% | 4.3% | -44.6% |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 2.7M | $101.2M | 0.1% | 2.9% | -3.8% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 2.4M | $90.4M | 0.0% | 2.6% | -3.0% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.2M | $82,273 | 0.0% | 2.3% | +67.8% |
| 9 | MORGAN STANLEY | 1.9M | $72.0M | 0.0% | 2% | +3.8% |
| 10 | ALLIANCEBERNSTEIN L.P. | 1.6M | $54.2M | 0.0% | 1.7% | +1514.8% |
| 11 | FEDERATED HERMES, INC. | 1.4M | $53.4M | 0.1% | 1.5% | -52.1% |
| 12 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1.3M | $47.3M | 0.0% | 1.3% | +15.3% |
| 13 | GOLDMAN SACHS GROUP INC | 1.2M | $45.9M | 0.0% | 1.3% | -25.6% |
| 14 | Candriam S.C.A. | 1.1M | $40.7M | 0.2% | 1.1% | -1.4% |
| 15 | BANK OF AMERICA CORP /DE/ | 1.0M | $38.2M | 0.0% | 1.1% | +8.9% |
| 16 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIPNEW | 891,608 | $33.2M | 0.0% | 0.9% | new |
| 17 | Fisher Asset Management, LLC | 851,306 | $31.7M | 0.0% | 0.9% | -3.6% |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 821,612 | $30.6M | 0.0% | 0.9% | +10.2% |
| 19 | NORTHERN TRUST CORP | 804,118 | $30.0M | 0.0% | 0.8% | +9.5% |
| 20 | Sixth Street Partners Management Company, L.P.NEW | 754,888 | $28.1M | 4.9% | 0.8% | new |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 754,888 | $28.1M | 0.0% | 0.8% | +5.5% |
| 22 | Pictet Asset Management Holding SA | 712,674 | $26.6M | 0.0% | 0.7% | -0.5% |
| 23 | UBS Group AG | 656,721 | $24.5M | 0.0% | 0.7% | -13.9% |
| 24 | Nuveen, LLC | 640,257 | $23.9M | 0.0% | 0.7% | +42.8% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 621,025 | $23.1M | 0.0% | 0.7% | +10.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.