IDEAYA Biosciences, Inc. - Common Stock (IDYA)

CUSIP: 45166A102

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
87,836,000
Total 13F shares
95,917,514
Share change
+651,396
Total reported value
$3,316,384,149
Put/Call ratio
16%
Price per share
$34.57
Number of holders
242
Value change
+$34,324,785
Number of buys
128
Number of sells
102

Quarterly Holders Quick Answers

What is CUSIP 45166A102?
CUSIP 45166A102 identifies IDYA - IDEAYA Biosciences, Inc. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of IDYA - IDEAYA Biosciences, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
FMR LLC
13F
Company
15%
13,146,545
$357,717,496 30 Sep 2025
13F
BlackRock, Inc.
13F 13D/G
Company
8.1%
from 13D/G
8,127,226
$221,141,808 30 Sep 2025
Capital Research Global Investors
13D/G 13F
Company
6%
5,279,675
$194,503,227 -$46,897,909 31 Dec 2025
JANUS HENDERSON GROUP PLC
13F 13D/G
Company
7.3%
from 13D/G
6,428,339
$174,931,459 30 Sep 2025
VANGUARD GROUP INC
13F
Company
5.6%
4,922,208
$133,933,280 30 Sep 2025
13F
FEDERATED HERMES, INC.
13F 13D/G
Company
3.9%
from 13D/G
4,625,850
$125,869,379 30 Sep 2025
Point72 Asset Management, L.P.
13F 13D/G
Company
2.1%
from 13D/G
3,815,704
$103,825,312 30 Sep 2025
BAKER BROS. ADVISORS LP
13F
Company
3.7%
3,275,444
$89,124,831 30 Sep 2025
13F
STATE STREET CORP
13F
Company
3.7%
3,240,934
$88,185,814 30 Sep 2025
13F
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F
Company
3.3%
2,900,094
$78,911,558 30 Sep 2025
13F
Logos Global Management LP
13F
Company
2.6%
2,250,000
$61,222,500 30 Sep 2025
13F
DEERFIELD MANAGEMENT COMPANY, L.P.
13F
Company
2.5%
2,153,043
$58,584,300 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.4%
2,150,033
$58,511,758 30 Sep 2025
13F
Fiera Capital Corp
13F
Company
2.1%
1,837,967
$50,011,082 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
1.8%
1,580,353
$43,001,432 30 Sep 2025
13F
CITADEL ADVISORS LLC
13F
Company
1.5%
1,316,991
$35,835,325 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1.4%
1,233,113
$33,553,004 30 Sep 2025
13F
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
1.3%
1,109,740
$30,197,000 30 Sep 2025
13F
UBS Group AG
13F
Company
1.2%
1,056,577
$28,749,461 30 Sep 2025
13F
Pictet Asset Management Holding SA
13F
Company
1.2%
1,032,999
$28,107,903 30 Sep 2025
13F
S.c.a. Candriam
13F
Individual
1.2%
1,012,967
$27,562,832 30 Sep 2025
13F
Sofinnova Investments, Inc.
13F
Company
1.1%
922,695
$25,106,531 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
1%
916,069
$24,926,241 30 Sep 2025
13F
Fisher Asset Management, LLC
13F
Company
0.98%
862,208
$23,460,679 30 Sep 2025
13F
Ensign Peak Advisors, Inc
13F
Company
0.86%
753,164
$20,493,592 30 Sep 2025
13F
Redmile Group, LLC
13F
Company
0.84%
742,017
$20,190,283 30 Sep 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.81%
715,538
$19,469,789 30 Sep 2025
13F
NORTHERN TRUST CORP
13F
Company
0.81%
709,861
$19,315,318 30 Sep 2025
13F
EVENTIDE ASSET MANAGEMENT, LLC
13F
Company
0.71%
625,704
$17,025,406 30 Sep 2025
13F
Aberdeen Group plc
13F
Company
0.64%
558,048
$15,184,486 30 Sep 2025
13F
DAFNA Capital Management LLC
13F
Company
0.61%
539,923
$14,691,305 30 Sep 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.57%
497,048
$13,524,677 30 Sep 2025
13F
NEW YORK STATE COMMON RETIREMENT FUND
13F
Company
0.56%
488,956
$13,304,493 30 Sep 2025
13F
ROYAL BANK OF CANADA
13F
Company
0.47%
409,619
$11,145,000 30 Sep 2025
13F
BNP Paribas Asset Management Holding S.A.
13F
Company
0.47%
408,452
$11,114,000 30 Sep 2025
13F
DEUTSCHE BANK AG\
13F
Company
0.46%
405,645
$11,037,600 30 Sep 2025
13F
TANG CAPITAL MANAGEMENT LLC
13F
Company
0.46%
400,000
$10,884,000 30 Sep 2025
13F
BALYASNY ASSET MANAGEMENT L.P.
13F
Company
0.43%
380,311
$10,348,262 30 Sep 2025
13F
STEMPOINT CAPITAL LP
13F
Company
0.42%
371,825
$10,117,358 30 Sep 2025
13F
Rosalind Advisors, Inc.
13F
Company
0.4%
350,000
$9,523,500 30 Sep 2025
13F
AXA Investment Managers S.A.
13F
Company
0.37%
325,513
$8,857,209 30 Sep 2025
13F
ENVESTNET ASSET MANAGEMENT INC
13F
Company
0.34%
299,032
$8,136,661 30 Sep 2025
13F
GENERAL AMERICAN INVESTORS CO INC
13F
Company
0.32%
280,261
$7,625,902 30 Sep 2025
13F
Iron Triangle Partners LP
13F
Company
0.31%
270,000
$7,346,700 30 Sep 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.3%
263,693
$7,175,087 30 Sep 2025
13F
BARCLAYS PLC
13F
Company
0.29%
250,381
$6,812,867 30 Sep 2025
13F
Bank of New York Mellon Corp
13F
Company
0.28%
248,900
$6,772,555 30 Sep 2025
13F
WELLS FARGO & COMPANY/MN
13F
Company
0.28%
243,008
$6,612,220 30 Sep 2025
13F
FRANKLIN RESOURCES INC
13F
Company
0.27%
235,425
$6,405,914 30 Sep 2025
13F
WCM INVESTMENT MANAGEMENT, LLC
13F
Company
0.27%
233,412
$6,346,472 30 Sep 2025
13F

Institutional Holders of IDEAYA Biosciences, Inc. - Common Stock (IDYA) as of Q4 2025

As of 31 Dec 2025, IDEAYA Biosciences, Inc. - Common Stock (IDYA) was held by 242 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 95,917,514 shares. The largest 10 holders included FMR LLC, BlackRock, Inc., JANUS HENDERSON GROUP PLC, Capital Research Global Investors, VANGUARD GROUP INC, STATE STREET CORP, BAKER BROS. ADVISORS LP, FEDERATED HERMES, INC., Logos Global Management LP, and ADAGE CAPITAL PARTNERS GP, L.L.C.. This page lists 242 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
221
Q4 2025 holders
242
Holder diff
21
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .