IDEAYA Biosciences, Inc. - Common Stock, par value $0.0001 per share (IDYA) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2019 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
IDYA on Nasdaq
Shares outstanding
87,836,000
Price per share
$35.84
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
95,859,713
Total reported value
$3,314,382,916
% of total 13F portfolios
0%
Share change
+653,283
Value change
+$34,390,354
Number of holders
238
Price from insider filings
$35.84
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of IDEAYA Biosciences, Inc. - Common Stock, par value $0.0001 per share (IDYA) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 8.1% -16% $135,978,768 -$23,753,077 7,130,507 -15% BlackRock, Inc. 31 Mar 2025
JANUS HENDERSON GROUP PLC 7.3% +5.7% $174,915,104 +$6,043,368 6,428,339 +3.6% JANUS HENDERSON GROUP PLC 30 Sep 2025
Capital Research Global Investors 6% -19% $194,503,227 -$46,897,909 5,279,675 -19% Capital Research Global Investors 31 Dec 2025
FEDERATED HERMES, INC. 3.9% $117,393,162 3,395,771 Federated Hermes, Inc. 31 Dec 2025
Point72 Asset Management, L.P. 2.1% -58% $67,953,443 -$94,600,552 1,844,556 -58% Point72 Asset Management, L.P. 31 Dec 2025

As of 31 Dec 2025, 238 institutional investors reported holding 95,859,713 shares of IDEAYA Biosciences, Inc. - Common Stock, par value $0.0001 per share (IDYA). This represents 109% of the company’s total 87,836,000 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of IDEAYA Biosciences, Inc. - Common Stock, par value $0.0001 per share (IDYA) together control 88% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
FMR LLC 15% 13,149,960 +0.03% 0.02% $454,594,125
BlackRock, Inc. 9.3% 8,209,392 +1% 0% $283,798,682
JANUS HENDERSON GROUP PLC 8.2% 7,186,456 +12% 0.11% $248,344,296
Capital Research Global Investors 6% 5,279,675 -19% 0.03% $182,518,365
VANGUARD GROUP INC 5.7% 5,019,324 +2% 0% $173,518,031
STATE STREET CORP 4.7% 4,134,641 +28% 0% $142,934,539
BAKER BROS. ADVISORS LP 4.1% 3,618,826 +10% 0.73% $125,102,815
FEDERATED HERMES, INC. 3.9% 3,395,771 -27% 0.2% $117,391,803
Logos Global Management LP 3.6% 3,125,000 +39% 7.2% $108,031,250
ADAGE CAPITAL PARTNERS GP, L.L.C. 3.2% 2,800,000 -3.5% 0.15% $96,796,000
Fiera Capital Corp 2.8% 2,437,262 +33% 0.27% $84,256,148
DEERFIELD MANAGEMENT COMPANY, L.P. 2.5% 2,153,043 0% 0.95% $74,430,697
GEODE CAPITAL MANAGEMENT, LLC 2.4% 2,073,583 -3.6% 0% $71,694,992
Point72 Asset Management, L.P. 2.1% 1,844,556 -52% 0.1% $63,766,301
GOLDMAN SACHS GROUP INC 2% 1,770,866 +44% 0.01% $61,218,838
PRICE T ROWE ASSOCIATES INC /MD/ 1.6% 1,449,145 +31% 0.01% $50,098,000
GSK plc 1.5% 1,333,333 0% 5.8% $46,093,322
MORGAN STANLEY 1.4% 1,252,403 -21% 0% $43,295,572
UBS Group AG 1.2% 1,085,632 +2.7% 0.01% $37,530,298
Candriam S.C.A. 1.2% 1,031,354 +1.8% 0.18% $35,655,426
Ensign Peak Advisors, Inc 1.1% 979,063 +30% 0.06% $33,846,208
CITADEL ADVISORS LLC 1.1% 959,355 -27% 0.02% $33,164,903
DIMENSIONAL FUND ADVISORS LP 1.1% 938,857 +89% 0.01% $32,456,177
BANK OF AMERICA CORP /DE/ 1% 902,973 -1.4% 0% $31,215,784
Fisher Asset Management, LLC 1% 889,633 +3.2% 0.01% $30,754,612

Institutional Holders of IDEAYA Biosciences, Inc. - Common Stock, par value $0.0001 per share (IDYA) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 95,859,713 $3,314,382,916 +$34,390,354 $34.57 238
2025 Q3 94,078,963 $2,559,895,530 -$71,222,974 $27.21 221
2025 Q2 96,817,428 $2,035,216,946 +$85,041,555 $21.02 201
2025 Q1 93,850,250 $1,541,886,881 +$4,216,022 $16.38 204
2024 Q4 91,956,771 $2,362,946,798 -$39,164,259 $25.70 204
2024 Q3 91,887,231 $2,910,570,888 +$266,023,831 $31.68 208
2024 Q2 82,498,020 $2,896,457,095 +$112,714,519 $35.11 197
2024 Q1 79,029,194 $3,467,731,111 +$578,501,456 $43.88 202
2023 Q4 66,135,600 $2,353,088,646 +$312,448,429 $35.58 155
2023 Q3 59,708,967 $1,610,925,530 +$91,466,602 $26.98 143
2023 Q2 56,594,046 $1,329,917,026 +$272,378,345 $23.50 138
2023 Q1 45,571,754 $625,396,958 -$7,022,953 $13.73 127
2022 Q4 45,969,604 $835,255,954 +$24,122,546 $18.17 117
2022 Q3 44,731,101 $667,335,427 +$139,348,641 $14.92 111
2022 Q2 35,430,856 $488,943,386 +$8,388,194 $13.80 95
2022 Q1 34,963,082 $391,248,464 -$45,848,010 $11.19 100
2021 Q4 34,726,651 $820,669,496 +$42,947,568 $23.64 108
2021 Q3 32,866,465 $837,907,234 +$191,179,767 $25.49 90
2021 Q2 25,401,939 $533,388,213 +$25,544,214 $20.99 83
2021 Q1 23,772,357 $605,123,340 +$111,002,539 $23.50 87
2020 Q4 20,283,687 $283,967,278 +$21,355,133 $14.00 81
2020 Q3 18,878,265 $237,100,196 +$3,530,187 $12.56 66
2020 Q2 18,472,023 $262,487,409 +$120,236,682 $14.21 64
2020 Q1 10,920,611 $44,992,000 -$1,201,515 $4.12 24
2019 Q4 11,151,290 $83,635,000 -$5,010,818 $7.50 27
2019 Q3 5,572,657 $49,467,000 -$827,584 $9.00 24
2019 Q2 5,653,725 $56,312,000 +$56,312,000 $9.96 24