IDYA

Ideaya Biosciences Inc
Health CareUSCUSIP 45166A102◍ Confluence graph
Tracked 13F Holders
237
-116 QoQ
13F Value (tracked)
$2.9B
Insider Net · 180d
-$382K
0↑ 1↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)34 adding · 23 trimming
Insider net (180d)-$382K

Who owns IDYA?

237 tracked 13F filers

237 tracked 13F filers disclose a position in IDYA as of the latest SEC 13F filings, a combined $2.9B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1FMR LLC
$438.9M
13.2M
+0.2%
Added · +22K sh
Q1 2026
2BlackRock, Inc.
$281.3M
8.4M
+2.8%
Added · +233K sh
Q1 2026
3Janus Henderson Group Ltd.
$242.0M
7.3M
+1.1%
Added · +79K sh
Q1 2026
4STATE STREET CORP
$169.5M
4.5M
+20%
Added · +768K sh
Q2 2026
5BAKER BROS. ADVISORS LP
$131.5M
3.9M
+9.1%
Added · +328K sh
Q1 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$124.4M
3.7M
First observed position
No prior filed position
Q1 2026
7Logos Global Management LP
$115.0M
3.5M
+10%
Added · +325K sh
Q1 2026
8FEDERATED HERMES, INC.
$99.5M
3.0M
−12%
Reduced · −409K sh
Q1 2026
9ADAGE CAPITAL PARTNERS GP, L.L.C.
$94.1M
2.8M
+0.8%
Added · +24K sh
Q1 2026
10GEODE CAPITAL MANAGEMENT, LLC
$90.4M
2.4M
−3.0%
Reduced · −75K sh
Q2 2026
11MORGAN STANLEY
$62.0M
1.9M
+49%
Added · +608K sh
Q1 2026
12GOLDMAN SACHS GROUP INC
$55.2M
1.7M
−6.5%
Reduced · −115K sh
Q1 2026
13DEERFIELD MANAGEMENT COMPANY, L.P.
$51.0M
1.5M
−29%
Reduced · −623K sh
Q1 2026
14Fiera Capital Corp
$53.9M
1.4M
−43%
Reduced · −1.1M sh
Q2 2026
15DIMENSIONAL FUND ADVISORS LP
$44.4M
1.3M
+42%
Added · +395K sh
Q1 2026
16PRICE T ROWE ASSOCIATES INC /MD/
$43.8M
1.3M
−9.2%
Reduced · −133K sh
Q1 2026
17BNP Paribas Asset Management Holding S.A.
$36.7M
1.1M
+58%
Added · +403K sh
Q1 2026
18Candriam S.C.A.
$40.7M
1.1M
−1.4%
Reduced · −15K sh
Q2 2026
19BANK OF AMERICA CORP /DE/
$31.4M
942K
+4.3%
Added · +39K sh
Q1 2026
20Sofinnova Investments, Inc.
$34.5M
925K
−18%
Reduced · −207K sh
Q2 2026
21Fisher Asset Management, LLC
$29.4M
883K
−0.8%
Reduced · −7K sh
Q1 2026
22UBS Group AG
$25.4M
763K
−30%
Reduced · −323K sh
Q1 2026
23VANGUARD PORTFOLIO MANAGEMENT LLC
$24.8M
746K
First observed position
No prior filed position
Q1 2026
24NORTHERN TRUST CORP
$24.5M
734K
+8.7%
Added · +59K sh
Q1 2026
25Pictet Asset Management Holding SA
$23.9M
716K
−2.5%
Reduced · −18K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is IDYA being bought or sold by institutions?

Last quarter, 7 funds opened a new position in IDYA and 27 added to an existing one, while 23 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
7
funds
Added
27
funds
Reduced
23
funds
Exited
0
funds

Funds that own IDYA also own

CompanyCo-held byCombined value
META PLATFORMS INC-CLASS AMETA129 funds$95.4B
AMAZON.COM INCAMZN128 funds$164.7B
NVIDIA CORPNVDA127 funds$331.1B
MICROSOFT CORPMSFT127 funds$219.4B
BROADCOM INCAVGO127 funds$132.3B
ELI LILLY & COLLY127 funds$70.8B
MICRON TECHNOLOGY INCMU126 funds$30.2B
APPLIED MATERIALS INCAMAT125 funds$24.3B
ALPHABET INC-CL AGOOGL124 funds$141.5B
ADVANCED MICRO DEVICESAMD124 funds$29.6B
LAM RESEARCH CORPLRCX123 funds$27.6B
INTUITIVE SURGICAL INCISRG123 funds$24.6B

Ranked by how many of IDYA's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$382K
1 insiders
Net
-$382K
1 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 7, 2026Ruiz Briseno AndresChief Accounting OfficerSell (S)10K$382K
Mar 2, 2026Stein JeffreyDirectorBuy (P)50K$1.6M
May 29, 2024WHITE MICHAEL ANTHONYChief Scientific OfficerSell (S)28K$1.0M
May 29, 2024WHITE MICHAEL ANTHONYChief Scientific OfficerSell (S)851$31K
May 16, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)4K$184K
May 16, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)30K$1.3M
May 15, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)54K$2.3M
May 15, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)30K$1.3M
May 15, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)503$22K
May 14, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)54K$2.3M
May 14, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)2K$96K
Feb 9, 2024Hata Yujiro SPresident and CEO, DirectorSell (S)24K$1.1M

Institutional ownership over time

110 funds-52 since Q3 2024
0113226Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $546.0M

Recent filings

15 shown

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Connected entities for IDYA

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Ask your agent what changed in IDYA

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/IDYA/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for IDYA.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for IDYA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.