# IDEAYA BIOSCIENCES INC (IDYA)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/IDYA/

- Reporting holders: 7
- Reported value: $5.9M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [CONGRESS ASSET MANAGEMENT CO](https://holderbook.com/funds/897378-congress-asset-management-co/) | $5.7M | 147,696 | 0.0% | 2 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $109.5K | 2,850 | 0.0% | 7 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $88.9K | 2,315 | 0.0% | 12 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $15.2K | 395 | 0.0% | 13 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $11.4K | 298 | 0.0% | 8 |
| [CoreCap Advisors, LLC](https://holderbook.com/funds/1902501-corecap-advisors-llc/) | $2.3K | 60 | 0.0% | 4 |
| [Trust Co](https://holderbook.com/funds/1632554-trust-co/) | $768 | 20 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 7 | $5.9M |
| Q2 2026 | 287 | $4.1B |
| Q1 2026 | 256 | $3.3B |
| Q4 2025 | 245 | $3.4B |
| Q3 2025 | 222 | $2.6B |
| Q2 2025 | 204 | $2.1B |
| Q1 2025 | 209 | $1.6B |
| Q4 2024 | 207 | $2.4B |
| Q3 2024 | 211 | $2.9B |
| Q2 2024 | 199 | $3.0B |
| Q1 2024 | 204 | $3.5B |
| Q4 2023 | 158 | $2.4B |

