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HomeStocksIDYAInstitutional Holders

IDYA logoIDEAYA Biosciences, Inc. (IDYA) Institutional Ownership

Q2 2026 13F Data|Updated 2026-11-07

✨

Institutional ownership increased this quarter (+6.71 pp), though top 10 holders maintain a highly concentrated 59.0% of institutional value.

Institutional Ownership
Can exceed 100% due to securities lending, short interest, and reporting timing differences.
116.9%$3.7B total value · ▲ +6.71 pp vs prior quarter
Smart Money Score
Based on ownership concentration, fund quality, buying/selling activity, ownership indicators, and institutional trend.
68 / 100Bullish
Institutions & Flow286 holders+30 net flow (+62 / -32)

AI Insights & Key Takeaways

  • Positive Institutional Flow (+30)
  • Fisher Asset Management, Llc maintains a significant position
  • Top 10 holders control 59.0% of institutional value
  • No Insider Signal

Top Institutional Holders of IDYA

Ranked by reported Q2 2026 13F market value

Top 10 Holders
59.0%
Top 25 Holders
78.8%

Share of total reported institutional value in IDYA held by the largest 10 / 25 filers.

#InstitutionShares HeldMarket ValueQoQ ChangeOwnership %% of Fund
1FMR LLC14.1M$525.9M+7.1%16.059%0.02%
2BlackRock, Inc.8.9M$331.5M+5.3%10.122%0.00%
3Jupiter Topco LLC8.6M$319.7M—9.765%0.13%
4

Quarterly Institutional Activity

Filings activity in IDYA during Q2 2026, grouped by how each filer changed its position.

OverviewNew Buyers62Added To166Trimmed50Exited32
  • First Turn Management, LLC$29.1M
  • Point72 Asset Management, L.P.$10.9M

IDYA Institutional Ownership by Quarter

8 quarters of 13F filings · Δ columns show change vs prior quarter

QuarterInst. HoldersΔ HoldersOwnership %Δ OwnershipTotal 13F ValueΔ Value
Q2 2026286+13%116.87%+6.71 pp$3.73B+17%
Q1 2026254+4.1%110.16%0.43 pp$3.18B3.0%
Q4 2025244+12%110.59%+2.65 pp$3.28B+30%
Q3 2025218+7.4%107.94%2.61 pp$2.53B+28%
Q2 2025203+0.5%110.55%+5.17 pp$1.97B+37%
Q1 2025202

IDYA — Frequently Asked Questions

Quick answers to the most common questions about buying IDYA stock.

What percentage of IDYA is owned by institutions?

Based on Q2 2026 13F filings, institutional ownership of IDEAYA Biosciences, Inc. stands at 116.9%, held across 286 reporting institutions.

Who is the largest institutional holder of IDYA?

FMR LLC is the largest reported institutional holder of IDYA, with approximately 14,109,431 shares worth $0.53B as of Q2 2026.

Is IDYA a hedge fund favorite?

Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of IDYA, including Fisher Asset Management, LLC.

What is IDYA's Smart Money Score?

Our composite Smart Money Score for IDYA is 68 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

How many institutions bought IDYA this quarter?

62 institutions opened new positions in IDYA during Q2 2026, while 32 fully exited. 166 added to existing positions and 50 trimmed.

Capital Research Global Investors
5.3M
$199.2M
+3.5%
6.083%
0.03%
5BAKER BROS. ADVISORS LP5.0M$186.7M+27.0%5.702%0.94%
6STATE STREET CORP4.5M$169.5M+20.3%5.177%0.00%
7VANGUARD CAPITAL MANAGEMENT LLC4.1M$154.0M+10.7%4.704%0.00%
8Logos Global Management LP3.0M$111.8M-13.0%3.415%4.81%
9ADAGE CAPITAL PARTNERS GP, L.L.C.2.7M$101.2M-3.8%3.091%0.14%
10DEERFIELD MANAGEMENT COMPANY, L.P.2.7M$101.2M+77.4%3.089%1.06%
11GEODE CAPITAL MANAGEMENT, LLC2.4M$90.4M-3.0%2.761%0.00%
12MORGAN STANLEY1.9M$72.0M+3.8%2.198%0.00%
13DIMENSIONAL FUND ADVISORS LP1.7M$61.9M+24.6%1.891%0.01%
14ALLIANCEBERNSTEIN L.P.1.6M$54.2M+1514.8%1.852%0.02%
15Fiera Capital Corp1.4M$53.9M-42.8%1.646%0.20%
16FEDERATED HERMES, INC.1.4M$53.4M-52.1%1.629%0.08%
17GSK plc1.3M$49.7M0.0%1.517%8.25%
18BNP Paribas Asset Management Holding S.A.1.3M$47.3M+15.3%1.445%0.05%
19GOLDMAN SACHS GROUP INC1.2M$45.9M-35.6%1.402%0.00%
20Candriam S.C.A.1.1M$40.7M-1.4%1.243%0.18%
21BANK OF AMERICA CORP /DE/1.0M$38.2M+8.9%1.168%0.00%
22Sofinnova Investments, Inc.925K$34.5M-18.3%1.053%1.78%
23ARROWSTREET CAPITAL, LIMITED PARTNERSHIP892K$33.2M—1.015%0.01%
24Fisher Asset Management, LLC851K$31.7M-3.6%0.969%0.01%
25VANGUARD PORTFOLIO MANAGEMENT LLC822K$30.6M+10.2%0.935%0.00%

denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in IDYA — a direct measure of their conviction.

Nicholas Investment Partners, LP
$8.3M
  • Squadron Capital Management LLC$7.5M
  • Hudson Bay Capital Management LP$6.5M
  • Alyeska Investment Group, L.P.$6.4M
  • Neuberger Berman Group LLC$4.0M
  • ACUTA CAPITAL PARTNERS, LLC$2.8M
  • Y-Intercept (Hong Kong) Ltd$1.8M
  • BOOTHBAY FUND MANAGEMENT, LLC$925K
  • Ishara Investments LP$820K
  • Quantedge Capital Pte Ltd$770K
  • 1.0%
    105.38%
    +1.22 pp
    $1.44B
    34%
    Q4 20242040.5%104.16%0.93 pp$2.19B19%
    Q3 2024205—105.09%—$2.71B—

    Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.

    How is institutional ownership of IDYA changing?

    IDYA institutional ownership rose by 6.71 percentage points quarter-over-quarter, with a net change of +32 holders.

    How concentrated is IDYA ownership among the top holders?

    The top 10 institutions account for 59.0% of all reported 13F value in IDYA, and the top 25 account for 78.8%.

    Where does this IDYA institutional ownership data come from?

    All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.

    IDYAIDEAYA Biosciences, Inc.
    $31.24$2.7B
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