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IDYA · IDEAYA Biosciences, Inc. · Shareholders & Ownership

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$35.36 +1.55 (+4.58%)
Market Cap
$3.26B
Shares
96.49M
Volume · Oct 20 953.3K Avg daily vol (3M) 788.92K

Every disclosed holder of IDYA in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns IDYA

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 102,289,087 106.01%
Insiders (Forms 3, 4, 5) 776,885 0.81%
13D/G-only blocks 8,913,245 9.24%
Remaining 15,489,733 -16.05%
Registered funds (N-PORT, not summed) 40,054,541 41.51%

Shares outstanding: 96,489,484, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of IDYA

# Holder Shares
1
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
14,109,431
1.1
Fidelity Growth Company Fund
Fund S000007119 · Registered fund · May 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
4,237,561
1.2
Fidelity Growth Company K6 Fund
Fund S000065696 · Registered fund · May 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
1,240,259
1.3
Fidelity Series Growth Company Fund
Fund S000042626 · Registered fund · May 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
1,082,838
1.4
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
916,934
1.5
Select Biotechnology Portfolio
Fund S000007486 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
637,957
2
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
8,893,260
2.1
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
2,152,842
2.2
iShares Russell 2000 Value ETF
Fund S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
704,874
2.3
iShares Biotechnology ETF
Fund S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
588,747
2.4
BlackRock Advantage Small Cap Core Fund
Fund S000039982 · Registered fund · May 29, 2026
BlackRock Funds, not summed
216,780
2.5
iShares Genomics Immunology and Healthcare ETF
Fund S000065599 · Registered fund · Jul 31, 2026
iShares Trust, not summed
180,483
3
Jupiter Topco LLC
13F CIK 2146052 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
8,579,881
3.1
Janus Henderson Small Cap Value Fund
Fund S000010480 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
91,785
4
Capital Research Global Investors
13F CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,344,701
5
SMALLCAP World Fund Inc
Fund S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
5,202,950
6
BAKER BROS. ADVISORS LP
13F CIK 1263508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,010,030
6.1
BAKER BROS. ADVISORS LP
13G CIK 1263508 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
5,010,030
7
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
4,548,911
7.1
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
2,314,401
7.2
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
Fund S000063362 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
56,190
7.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
30,000
7.4
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
3,001
7.5
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
2,117
8
Point72 Asset Management, L.P.
13G CIK 1603466 · Registered investment adviser · Jun 6, 2025
Rule 13d-1(c), passive investor
4,412,432
9
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,132,646
9.1
VANGUARD CAPITAL MANAGEMENT LLC
13G CIK 2100119 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
4,834,771
10
Logos Global Management LP
13F CIK 1792126 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,000,000
11
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,964,950
12
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F CIK 1165408 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,715,391
13
DEERFIELD MANAGEMENT COMPANY, L.P.
13F CIK 1009258 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,714,503
14
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,425,602
15
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,207,451
15.1
T. Rowe Price Health Sciences Fund, Inc.
Fund S000002088 · Registered fund · Jun 30, 2026
T. ROWE PRICE HEALTH SCIENCES FUND, INC., not summed
726,971
15.2
T. Rowe Price New Horizons Fund, Inc.
Fund S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
443,319
15.3
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
216,012
15.4
T. Rowe Price Health Sciences Portfolio
Fund S000002083 · Registered fund · Jun 30, 2026
T. ROWE PRICE EQUITY SERIES, INC., not summed
45,571
15.5
T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund
Fund S000052904 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
40,543
16
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,931,491
16.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
100
17
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,661,281
17.1
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
344,509
17.2
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
284,304
17.3
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
270,805
17.4
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
195,984
17.5
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
95,320
18
ALLIANCEBERNSTEIN L.P.
13F CIK 1109448 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,627,521
18.1
AB Small Cap Growth Portfolio
Fund S000010309 · Registered fund · Jun 30, 2026
AB CAP FUND, INC., not summed
349,590
18.2
AB DISCOVERY GROWTH FUND, INC.
Fund S000010117 · Registered fund · Jun 30, 2026
AB DISCOVERY GROWTH FUND, INC., not summed
343,370
18.3
Small Cap Core Portfolio
Fund S000051867 · Registered fund · Jun 30, 2026
Bernstein Fund Inc, not summed
135,860
18.4
AB Small Cap Growth Portfolio
Fund S000010435 · Registered fund · Jun 30, 2026
AB VARIABLE PRODUCTS SERIES FUND, INC., not summed
6,662
18.5
Tax-Aware Overlay A Portfolio
Fund S000027648 · Registered fund · Jun 30, 2026
BERNSTEIN SANFORD C FUND INC, not summed
2,382
19
Canaan X L.P.
13G CIK 1619859 · Unknown · Dec 31, 2023
Rule 13d-1(d), exempt investor
1,570,820
20
Avidity Partners Management LP
13G CIK 1791827 · Registered investment adviser · Dec 31, 2023
Rule 13d-1(c), passive investor
1,520,000
21
Fiera Capital Corp
13F CIK 1505817 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,445,885
22
FEDERATED HERMES, INC.
13F CIK 1056288 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,431,630
23
BIOTECHNOLOGY VALUE FUND L P
13G CIK 918923 · Unknown · Sep 30, 2024
Rule 13d-1(c), passive investor
1,409,993
24
GSK plc
13F CIK 1131399 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,333,333
25
BNP PARIBAS ASSET MANAGEMENT Holding S.A.
13F CIK 1520354 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,269,889
26
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,231,614
26.1
Goldman Sachs Small Cap Value Insights Fund
Fund S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
146,987
26.2
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
58,893
26.3
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
17,521
26.4
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
15,693
26.5
Goldman Sachs Innovate Equity ETF
Fund S000068597 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
8,889
27
Candriam S.C.A.
13F CIK 1537014 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,092,301
28
Janus Henderson Triton Fund
Fund S000010485 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
1,074,589
29
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,041,974
30
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,026,143
31
Sofinnova Investments, Inc.
13F CIK 1631134 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
925,119
32
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
891,608
33
Federated Hermes Kaufmann Fund
Fund S000009729 · Registered fund · Jul 31, 2026
Federated Hermes Equity Funds, not summed
878,705
34
Fisher Asset Management, LLC
13F CIK 850529 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
851,306
35
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
821,612
36
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
804,118
36.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
42,372
36.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
8,114
36.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
6,004
37
Janus Henderson Global Life Sciences Fund
Fund S000010494 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
757,659
38
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
754,888
38.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
423,102
38.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
203,225
38.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
54,603
38.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
50,817
39
Pictet Asset Management Holding SA
13F CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
712,674
40
Hata Yujiro S
Insider CIK 1649119 · Oct 6, 2026
Director, issuer-wide
690,695
41
Janus Henderson Venture Fund
Fund S000010488 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
672,162
42
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
656,721
43
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
640,257
43.1
Nuveen Quant Small Cap Equity Fund
Fund S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
291,700
43.2
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
245,717
43.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
111,151
43.4
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
67,255
43.5
Nuveen Life Small Cap Equity Fund
Fund S000005093 · Registered fund · Jun 30, 2026
TIAA-CREF Life Funds, not summed
6,080
44
Redmile Group, LLC
13F CIK 1425738 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
640,202
45
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
621,025
46
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
592,473
47
Aberdeen Group plc
13F CIK 1716774 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
560,934
48
Federated Hermes Kaufmann Small Cap Fund
Fund S000009730 · Registered fund · Jul 31, 2026
Federated Hermes Equity Funds, not summed
533,971
49
NEW YORK STATE COMMON RETIREMENT FUND
13F CIK 810265 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
501,990
50
DAFNA Capital Management LLC
13F CIK 1389933 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
497,240

54 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 402 holders

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Key facts CIK 1676725 CUSIP 45166A102 13F (30d) 22 filings 22 filers Visit website Investor relations