IDEAYA Biosciences
IDYA
224 hedge funds and large institutions have $2.56B invested in IDEAYA Biosciences in 2025 Q3 according to their latest regulatory filings, with 45 funds opening new positions, 83 increasing their positions, 67 reducing their positions, and 22 closing their positions.
392% more call options, than puts
Call options by funds: $14.1M | Put options by funds: $2.87M
105% more first-time investments, than exits
New positions opened: 45 | Existing positions closed: 22
26% more capital invested
Capital invested by funds: $2.04B → $2.56B (+$525M)
24% more repeat investments, than reductions
Existing positions increased: 83 | Existing positions reduced: 67
10% more funds holding
Funds holding: 204 → 224 (+20)
3.2% less ownership
Funds ownership: 110.54% → 107.34% (-3.2%)
50% less funds holding in top 10
Funds holding in top 10: 4 → 2 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Adage Capital Partners
Boston,
Massachusetts
|
+$40.2M |
| 2 |
BBA
Baker Bros. Advisors
New York
|
+$28M |
| 3 |
BNP Paribas Asset Management
Paris,
France
|
+$9.86M |
| 4 |
TCM
Tang Capital Management
San Diego,
California
|
+$9.67M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$8.66M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DM
Deerfield Management
New York
|
-$42.6M |
| 2 |
SI
Sofinnova Investments
Menlo Park,
California
|
-$29.6M |
| 3 |
Point72 Asset Management
Stamford,
Connecticut
|
-$29.3M |
| 4 |
LGM
Logos Global Management
San Francisco,
California
|
-$26.5M |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$19.2M |
IDYA Hedge Fund Activity: Q3 2025 in Review
224 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in IDEAYA Biosciences (IDYA) for Q3 2025, worth a combined $2.56B — up 26% from $2.04B a quarter earlier.
Buyers outnumbered sellers: 45 funds opened new IDYA positions and 22 closed out — a net gain of 23 holders — while 83 added to existing stakes and 67 trimmed.
The largest buyer was Adage Capital Partners, adding an estimated $40.2M. The largest seller was Deerfield Management, cutting an estimated $42.6M.
- 224 institutional investors held IDEAYA Biosciences (IDYA) as of Q3 2025, up from 204 in Q2 2025.
- Funds reported $2.56B of IDEAYA Biosciences stock for Q3 2025, up 26% quarter-over-quarter.
- 45 funds opened new IDEAYA Biosciences positions in Q3 2025 and 22 closed out, a net change of +23 holders.
- The largest IDEAYA Biosciences buyer in Q3 2025 was Adage Capital Partners, an estimated $40.2M added.
- The largest IDEAYA Biosciences seller in Q3 2025 was Deerfield Management, an estimated $42.6M sold.
Based on aggregated 13F filings for Q3 2025.