IDEAYA Biosciences
IDYA
204 hedge funds and large institutions have $2.04B invested in IDEAYA Biosciences in 2025 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 78 increasing their positions, 74 reducing their positions, and 31 closing their positions.
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
32% more capital invested
Capital invested by funds: $1.54B → $2.04B (+$493M)
3.3% more ownership
Funds ownership: 107.24% → 110.54% (+3.3%)
5% more repeat investments, than reductions
Existing positions increased: 78 | Existing positions reduced: 74
0% more first-time investments, than exits
New positions opened: 31 | Existing positions closed: 31
1% less funds holding
Funds holding: 207 → 204 (-3)
68% less call options, than puts
Call options by funds: $887K | Put options by funds: $2.77M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Point72 Asset Management
Stamford,
Connecticut
|
+$93.8M |
| 2 |
Capital Research Global Investors
Los Angeles,
California
|
+$73.2M |
| 3 |
BBA
Baker Bros. Advisors
New York
|
+$20.3M |
| 4 |
DM
Deerfield Management
New York
|
+$12.4M |
| 5 |
Ensign Peak Advisors
Salt Lake City,
Utah
|
+$7.95M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$30.1M |
| 2 |
RCM
RA Capital Management
Boston,
Massachusetts
|
-$22.1M |
| 3 |
SC
Samlyn Capital
New York
|
-$13M |
| 4 |
Millennium Management
New York
|
-$9.23M |
| 5 |
SI
Sofinnova Investments
Menlo Park,
California
|
-$9.1M |
IDYA Hedge Fund Activity: Q2 2025 in Review
204 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in IDEAYA Biosciences (IDYA) for Q2 2025, worth a combined $2.04B — up 32% from $1.54B a quarter earlier.
Fund positioning in IDYA was balanced in Q2 2025: 31 funds opened new positions, 31 closed out, 78 added to existing stakes and 74 trimmed.
The largest buyer was Point72 Asset Management, adding an estimated $93.8M. The largest seller was T. Rowe Price Associates, cutting an estimated $30.1M.
- 204 institutional investors held IDEAYA Biosciences (IDYA) as of Q2 2025, down from 207 in Q1 2025.
- Funds reported $2.04B of IDEAYA Biosciences stock for Q2 2025, up 32% quarter-over-quarter.
- 31 funds opened new IDEAYA Biosciences positions in Q2 2025 and 31 closed out, a net change of 0 holders.
- The largest IDEAYA Biosciences buyer in Q2 2025 was Point72 Asset Management, an estimated $93.8M added.
- The largest IDEAYA Biosciences seller in Q2 2025 was T. Rowe Price Associates, an estimated $30.1M sold.
Based on aggregated 13F filings for Q2 2025.