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Free · no sign-up · Q2 2026

Which funds own IDYA

Ideaya Biosciences Inc in the Q2 2026 filings. At least 1 of the 91 current managers on file reported a position, worth $320m between them. It is among the largest positions of fewer than a fifth of the current managers on file. Buying and selling roughly cancelled this quarter, which is what a name looks like when the argument is still live.

Managers holding
1
at least, of 91 current
Combined value
$320m
as reported
Opened
0
new this quarter
Added to
1
already held
Trimmed or sold out
3
3 sold out entirely

Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.

Managers reporting a position

Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.

ManagerValueWeightSharesChange on the quarterAction
Janus Henderson Group Ltd
Long-only · $245bn book
$320m0.1%8,579,881+$78m+1,314,628Added

Sold out of this quarter

Valued at what the position was worth in the previous filing, because by this one it is gone.

Ownership through time

At least 3 of the 95 managers whose filings are on file listed IDYA in Q2 2026, against 1 in Q2 2020. 1 manager more than in Q1 2026: 1 started a position.

Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.

Managers on file listing it
0510Q2 2020: 1Q3 2020: 1Q4 2020: 1Q1 2021: 321Q2 2021: 3Q3 2021: 3Q4 2021: 3Q1 2022: 122Q2 2022: 1Q2 2023: 3Q3 2023: 4Q4 2023: 5Q1 2024: 1024Q2 2024: 8Q3 2024: 6Q4 2024: 5Q1 2025: 325Q2 2025: 3Q3 2025: 4Q4 2025: 3Q1 2026: 226Q2 2026: 3
  • Q2 2020: 1
  • Q3 2020: 1
  • Q4 2020: 1
  • Q1 2021: 3
  • Q2 2021: 3
  • Q3 2021: 3
  • Q4 2021: 3
  • Q1 2022: 1
  • Q2 2022: 1
  • Q2 2023: 3
  • Q3 2023: 4
  • Q4 2023: 5
  • Q1 2024: 10
  • Q2 2024: 8
  • Q3 2024: 6
  • Q4 2024: 5
  • Q1 2025: 3
  • Q2 2025: 3
  • Q3 2025: 4
  • Q4 2025: 3
  • Q1 2026: 2
  • Q2 2026: 3
Their combined reported value
$0$508m$1bnQ2 2020: $14mQ3 2020: $15mQ4 2020: $16mQ1 2021: $31m21Q2 2021: $26mQ3 2021: $37mQ4 2021: $50mQ1 2022: $21m22Q2 2022: $21mQ2 2023: $60mQ3 2023: $118mQ4 2023: $275mQ1 2024: $1.0bn24Q2 2024: $479mQ3 2024: $309mQ4 2024: $245mQ1 2025: $159m25Q2 2025: $374mQ3 2025: $458mQ4 2025: $495mQ1 2026: $414m26Q2 2026: $533m
  • Q2 2020: $14m
  • Q3 2020: $15m
  • Q4 2020: $16m
  • Q1 2021: $31m
  • Q2 2021: $26m
  • Q3 2021: $37m
  • Q4 2021: $50m
  • Q1 2022: $21m
  • Q2 2022: $21m
  • Q2 2023: $60m
  • Q3 2023: $118m
  • Q4 2023: $275m
  • Q1 2024: $1.0bn
  • Q2 2024: $479m
  • Q3 2024: $309m
  • Q4 2024: $245m
  • Q1 2025: $159m
  • Q2 2025: $374m
  • Q3 2025: $458m
  • Q4 2025: $495m
  • Q1 2026: $414m
  • Q2 2026: $533m

Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.

Started in Q2 2026

Largest increases, by shares

Largest decreases, by shares

No manager on file sold part of it.

Left it

No manager on file is shown leaving it.

ManagerValue over timeFirst listedLargestQ2 2026
Janus Henderson Group LtdQ2 2023$320m$320m
Capital Research Global InvestorsQ2 2023$199m$199m
Walleye Capital LLCQ2 2026$14m$14m
Fidelity (FMR LLC)Q1 2024$446mlast listed Q1 2024
T. Rowe Price Associates IncQ1 2024$178mlast listed Q2 2024
Point72 Asset Management LPQ2 2020$106mlast listed Q4 2025
Holocene Advisors LPQ3 2023$71mlast listed Q3 2024
Two Sigma Advisers LPQ1 2024$22mlast listed Q4 2024
Two Sigma Investments LPQ1 2024$21mlast listed Q2 2024
Woodline Partners LPQ1 2021$19mlast listed Q1 2025
ExodusPoint Capital Management LPQ2 2024$13mlast listed Q3 2024
Acadian Asset Management LLCQ1 2021$8.6mlast listed Q4 2021
Hudson Bay Capital Management LPQ4 2023$5.4mlast listed Q1 2024

What IDYA is worth

Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.

Build the comp set around IDYA →

How much of the picture this is

A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.

What to do with a name the funds are buying

Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.

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The holdings, every quarter, and the week between

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