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IDEAYA Biosciences Ownership | Who Owns IDEAYA Biosciences?

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IDEAYA Biosciences Ownership Summary

IDEAYA Biosciences is owned by 105.08% institutional investors, 0.90% insiders. Fmr is the largest institutional shareholder, holding 14.86% of IDYA shares. American Funds SMALLCAP World A is the top mutual fund, with 6.70% of its assets in IDEAYA Biosciences shares.

IDYA Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockIDEAYA Biosciences105.08%0.90%-5.99%
SectorHealthcare Stocks 42.53%10.81%46.67%
IndustryBiotech Stocks 45.24%10.75%44.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Fmr13.15M14.86%$357.72M
Blackrock funding, inc. /de8.13M9.19%$221.14M
Blackrock6.81M8.73%$239.02M
Capital research global investors6.55M7.41%$178.30M
Janus henderson group5.86M6.80%$150.61M
Vanguard group4.92M5.56%$133.93M
Federated hermes4.63M5.23%$125.87M
Point72 asset management3.82M4.31%$103.83M
Baker bros. advisors lp3.28M3.70%$89.12M
State street3.24M3.66%$88.19M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Logos global management lp2.25M5.49%$61.22M
Boxer capital2.20M4.07%$77.34M
Dafna capital management539.92K3.63%$14.69M
Rosalind advisors350.00K3.26%$9.52M
Stempoint capital lp371.82K2.03%$10.12M
Redmile group742.02K1.96%$20.19M
Sofinnova investments922.70K1.37%$25.11M
Iron triangle partners lp270.00K1.04%$7.35M
Fifth lane capital, lp34.24K0.94%$931.59K
Deerfield management company, l.p. (series c)2.15M0.89%$58.58M

Top Buyers

HolderShares% AssetsChange
Adage capital partners gp2.90M0.13%1.66M
Baker bros. advisors lp3.28M0.64%1.16M
Blackrock6.81M0.01%842.38K
Janus henderson group5.86M0.08%695.26K
Norges bank520.81K0.00%520.81K

Top Sellers

HolderShares% AssetsChange
Deerfield management company, l.p. (series c)2.15M0.89%-1.76M
Bvf inc/il---1.41M
Ra capital management---1.35M
Sofinnova investments922.70K1.37%-1.23M
Point72 asset management3.82M0.17%-1.21M

New Positions

HolderShares% AssetsChangeValue
Norges bank520.81K0.00%520.81K$13.38M
Tang capital management400.00K0.42%400.00K$10.88M
Axa investment managers325.51K0.02%325.51K$8.86M
Iron triangle partners lp270.00K1.04%270.00K$7.35M
Franklin resources235.43K0.00%235.43K$6.41M

Sold Out

HolderChange
Capital performance advisors llp-1.00
Skopos labs-4.00
Global retirement partners-12.00
Geneos wealth management-15.00
Cibc private wealth group-16.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 20252185.83%92,968,998-3.97%1050.88%12316.04%67-11.84%
Jun 30, 2025205-0.97%96,799,7763.14%1090.97%105-20.45%7661.70%
Mar 31, 202513-93.69%10,891,961-88.15%120.11%8-93.65%2-96.36%
Dec 31, 2024104-51.17%47,415,335-48.39%550.48%63-55.63%28-36.36%
Sep 30, 20242114.98%91,817,30011.34%1060.95%14118.49%43-28.33%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
American Funds SMALLCAP World A5.87M6.70%3.38M
Fidelity Growth Compy Commingled Pl S5.74M6.55%7.57K
Fidelity Growth Compy Commingled Pl O5.35M6.33%82.95K
Fidelity Growth Company Fund4.09M4.67%-24.49K
Federated Hermes Kaufmann R2.70M3.09%-
Federated Hermes Kaufmann Growth2.70M3.08%-
Vanguard Total Stock Mkt Idx Inv2.57M2.93%-52.69K
Vanguard US Total Market Shares ETF2.49M2.85%2.78K
iShares Russell 2000 ETF2.02M2.31%-
Federated Hermes Kaufmann Small Cap A1.85M2.11%-139.40K

Recent Insider Transactions

DateNameRoleActivityValue
May 29, 2024WHITE MICHAEL ANTHONY Chief Scientific OfficerSell$31.30K
May 29, 2024WHITE MICHAEL ANTHONY Chief Scientific OfficerSell$1.00M
May 16, 2024Hata Yujiro S President and CEOSell$1.26M
May 14, 2024Hata Yujiro S President and CEOSell$2.26M
May 15, 2024Hata Yujiro S President and CEOSell$2.28M

Insider Transactions Trends

DateBuySell
2025 Q2--
2025 Q1--
2024 Q4--
2024 Q3--
2024 Q2-9

IDYA Ownership FAQ

Who Owns IDEAYA Biosciences?

IDEAYA Biosciences shareholders are primarily institutional investors at 105.08%, followed by 0.90% insiders and -5.98% retail investors. The average institutional ownership in IDEAYA Biosciences's industry, Biotech Stocks , is 45.24%, which IDEAYA Biosciences exceeds.

Who owns the most shares of IDEAYA Biosciences?

IDEAYA Biosciences’s largest shareholders are Fmr (13.15M shares, 14.86%), Blackrock funding, inc. /de (8.13M shares, 9.19%), and Blackrock (6.81M shares, 8.73%). Together, they hold 32.78% of IDEAYA Biosciences’s total shares outstanding.

Does Blackrock own IDEAYA Biosciences?

Yes, BlackRock owns 8.73% of IDEAYA Biosciences, totaling 6.81M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 239.02M$. In the last quarter, BlackRock increased its holdings by 842.38K shares, a 14.12% change.

Who is IDEAYA Biosciences’s biggest shareholder by percentage of total assets invested?

Logos global management lp is IDEAYA Biosciences’s biggest shareholder by percentage of total assets invested, with 5.49% of its assets in 2.25M IDEAYA Biosciences shares, valued at 61.22M$.

Who is the top mutual fund holder of IDEAYA Biosciences shares?

American Funds SMALLCAP World A is the top mutual fund holder of IDEAYA Biosciences shares, with 6.70% of its total shares outstanding invested in 5.87M IDEAYA Biosciences shares.

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