Which hedge funds own IDYA? IDEAYA BIOSCIENCES INC, Q2 2026 13F holders
47 tracked hedge funds disclosed a position in IDYA (IDEAYA BIOSCIENCES INC) in their Q2 2026 13F filings, worth $829.6m in total. The largest holder by portfolio weight is Logos Global Management LP at 4.8% of its book. 21 opened a new position this quarter: Ally Bridge Group (NY) LLC, Sio Capital Management, LLC, Sphera Funds Management Ltd., Affinity Asset Advisors, LLC. 12 exited: Ishara Investments LP, Quantedge Capital Pte Ltd, Birchview Capital, LP.
- 47
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 21
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 12
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $131m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $23.7m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $830m
- Combined value Sum of the holders' reported positions in the security.
- 3.8%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| Ishara Investments LP | 0.8% | $820k |
| Quantedge Capital Pte Ltd | 0.4% | $770k |
| Birchview Capital, LP | 0.3% | $562k |
| Fox Run Management, L.L.C. | 0.09% | $495k |
| Y-Intercept (Hong Kong) Ltd | 0.03% | $1.8m |
| Cinctive Capital Management LP | 0.02% | $362k |
| Boothbay Fund Management, LLC | 0.02% | $925k |
| Point72 Asset Management, L.P. | 0.02% | $10.9m |
| Alyeska Investment Group, L.P. | 0.02% | $6.4m |
| Graham Capital Management, L.P. | 0.01% | $292k |
| Engineers Gate Manager LP | 0.0% | $272k |
| Hudson Bay Capital Management LP | 0.0% | $100k |
Ownership over time
Who discovered IDYA first? Beta
The run: Q1 2020 → Q3 2021, +519%
| Avidity Partners Management LP | Q2 2020 | – | +0.2 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.