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IDEAYA Biosciences
IDYA

253 hedge funds and large institutions have $3.16B invested in IDEAYA Biosciences in 2026 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 87 increasing their positions, 75 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

41% more first-time investments, than exits

New positions opened: 45 | Existing positions closed: 32

20% more call options, than puts

Call options by funds: $46.7M | Put options by funds: $39M

16% more repeat investments, than reductions

Existing positions increased: 87 | Existing positions reduced: 75

3% more funds holding

Funds holding: 246 → 253 (+7)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

5% less capital invested

Capital invested by funds: $3.32B → $3.16B (-$159M)

1.58% less ownership

Funds ownership: 109.41% → 107.83% (-1.6%)

Holders
253
Holders Change
+7
Holders Change %
+2.85%
% of All Funds
3.11%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
45
Increased
87
Reduced
75
Closed
32
Calls
$46.7M
Puts
$39M
Net Calls
+$7.65M
Net Calls Change
-$22.8M

Top Buyers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
+$20.4M
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$14.3M
3
BNP Paribas Asset Management
BNP Paribas Asset Management
France
+$13.5M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$13.2M
5
BBA
Baker Bros. Advisors
New York
+$11M

Top Sellers

Rank Fund Capital Flow
1
Point72 Asset Management
Point72 Asset Management
Connecticut
-$50.9M
2
DM
Deerfield Management
New York
-$20.9M
3
Federated Hermes
Federated Hermes
Pennsylvania
-$13.7M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$13M
5
State Street
State Street
Massachusetts
-$11.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
HFS
251
Hughes Financial Services
Virginia
$133 +$134 +4 New
RWM
252
Rialto Wealth Management
New York
$34 +$34 +1 New
EAM
253
Eventide Asset Management
Massachusetts
– -$9.82M -284,069 Closed
SC
254
Stempoint Capital
New York
– -$5.59M -161,659 Closed
SCM
255
Sio Capital Management
New York
– -$2.62M -75,730 Closed
NIM
256
NEOS Investment Management
Connecticut
– -$2.46M -71,178 Closed
CM
257
Caption Management
Oklahoma
– -$1.92M -57,167 Closed
Walleye Capital
258
Walleye Capital
New York
– -$1.49M -42,976 Closed
A
259
AlphaQuest
New York
– -$1.34M -38,767 Closed
Norges Bank
260
Norges Bank
Norway
– -$1.06M -30,589 Closed
BMSSC
261
B. Metzler seel. Sohn & Co
Germany
– -$943K -27,276 Closed
ECM
262
ExodusPoint Capital Management
New York
– -$771K -22,308 Closed
JG
263
Jain Global
New York
– -$727K -21,041 Closed
BC
264
BIT Capital
Germany
– -$584K -16,900 Closed
BBA
265
Baader Bank Aktiengesellschaft
Germany
– -$449K -13,000 Closed
FLC
266
Fifth Lane Capital
Texas
– -$432K -12,500 Closed
Mariner
267
Mariner
Kansas
– -$372K -10,772 Closed
Truist Financial
268
Truist Financial
North Carolina
– -$287K -8,289 Closed
PCM
269
Prelude Capital Management
New York
– -$219K -6,323 Closed
CAU
270
Caxton Associates (UK)
– -$210K -6,070 Closed
BG
271
Bellevue Group
Switzerland
– -$171K -4,942 Closed
AF
272
Avanza Fonder
Sweden
– -$150K -4,344 Closed
Canada Pension Plan Investment Board
273
Canada Pension Plan Investment Board
Ontario, Canada
– -$149K -4,300 Closed
Simplex Trading
274
Simplex Trading
Illinois
– -$96K -2,862 Closed
AB
275
Amalgamated Bank
New York
– -$87K -2,523 Closed
8 9 10
11
12

IDYA Hedge Fund Activity: Q1 2026 in Review

253 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in IDEAYA Biosciences (IDYA) for Q1 2026, worth a combined $3.16B — down 4.8% from $3.32B a quarter earlier.

Buyers outnumbered sellers: 45 funds opened new IDYA positions and 32 closed out — a net gain of 13 holders — while 87 added to existing stakes and 75 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $20.4M. The largest seller was Point72 Asset Management, cutting an estimated $50.9M.

  • 253 institutional investors held IDEAYA Biosciences (IDYA) as of Q1 2026, up from 246 in Q4 2025.
  • Funds reported $3.16B of IDEAYA Biosciences stock for Q1 2026, down 4.8% quarter-over-quarter.
  • 45 funds opened new IDEAYA Biosciences positions in Q1 2026 and 32 closed out, a net change of +13 holders.
  • The largest IDEAYA Biosciences buyer in Q1 2026 was Morgan Stanley, an estimated $20.4M added.
  • The largest IDEAYA Biosciences seller in Q1 2026 was Point72 Asset Management, an estimated $50.9M sold.

Based on aggregated 13F filings for Q1 2026.