IDYA

Ideaya Biosciences Inc$35.93 2.20%
Health CareUSCUSIP 45166A102· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
199
+7 QoQ
13F Value (tracked)
$2.9B
Insider Net · 180d
$1.3M
1↑ 1↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)33 adding · 22 trimming
Insider net (180d)+$1.3M

Price & smart-money activity

$35.93 2.20%5Y +76.0%
$6.27$17.06$27.84$38.63$49.4220212022202320242025202611161223131816132025122214271634219133123134425493495537672943464733414461436446615343
Hover for who · click for detailEnd-of-day closing prices52w $21.59 – $40.51
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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.

Top institutional holders

199 tracked 13F filers
#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 PLC
$242.0M
7.3M
+1.1%
Added · +79K sh
Q1 2026
4BAKER BROS. ADVISORS LP
$131.5M
3.9M
+9.1%
Added · +328K sh
Q1 2026
5STATE STREET CORP
$126.0M
3.8M
−8.5%
Reduced · −353K sh
Q1 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$124.4M
3.7M
New
+3.7M sh
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
10Fiera Capital Corp
$84.2M
2.5M
+3.7%
Added · +90K sh
Q1 2026
11GEODE CAPITAL MANAGEMENT, LLC
$83.3M
2.5M
+21%
Added · +427K sh
Q1 2026
12MORGAN STANLEY
$62.0M
1.9M
+49%
Added · +608K sh
Q1 2026
13GOLDMAN SACHS GROUP INC
$55.2M
1.7M
−6.5%
Reduced · −115K sh
Q1 2026
14DEERFIELD MANAGEMENT COMPANY, L.P.
$51.0M
1.5M
−29%
Reduced · −623K sh
Q1 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
17Sofinnova Investments, Inc.
$37.7M
1.1M
+28%
Added · +247K sh
Q1 2026
18Candriam S.C.A.
$36.9M
1.1M
+7.4%
Added · +76K sh
Q1 2026
19BNP Paribas Asset Management Holding S.A.
$36.7M
1.1M
+58%
Added · +403K sh
Q1 2026
20BANK OF AMERICA CORP /DE/
$31.4M
942K
+4.3%
Added · +39K sh
Q1 2026
21Ensign Peak Advisors, Inc
$30.0M
900K
−8.1%
Reduced · −80K sh
Q1 2026
22Fisher Asset Management, LLC
$29.4M
883K
−0.8%
Reduced · −7K sh
Q1 2026
23First Turn Management, LLC
$29.1M
874K
+21%
Added · +150K sh
Q1 2026
24UBS Group AG
$25.4M
763K
−30%
Reduced · −323K sh
Q1 2026
25VANGUARD PORTFOLIO MANAGEMENT LLC
$24.8M
746K
New
+746K 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.

Fund activity: latest quarter

Opened (NEW)
5
funds
Added
28
funds
Reduced
22
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$1.6M
1 insiders
Sells · 180d
$382K
1 insiders
Net
$1.3M
2 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
Jul 7, 2026Ruiz Briseno AndresChief Accounting OfficerOption exercise (M)10K$0
Jul 7, 2026Ruiz Briseno AndresChief Accounting OfficerSell (S)10K$382K
Jul 7, 2026Ruiz Briseno AndresChief Accounting OfficerOption exercise (M)10K$123K
Jun 16, 2026Morrison Scott WDirectorGrant (A)20K$0
Jun 16, 2026YARNO WENDY LDirectorGrant (A)20K$0
Jun 16, 2026Stein JeffreyDirectorGrant (A)20K$0
Jun 16, 2026ROSEN TERRY JDirectorGrant (A)20K$0
Jun 16, 2026MACKEY CATHERINE JDirectorGrant (A)20K$0
Jun 16, 2026Hampton Malcolm GarretDirectorGrant (A)20K$0
Mar 2, 2026Stein JeffreyDirectorBuy (P)50K$1.6M
Jan 30, 2026Ruiz Briseno AndresSee RemarksGrant (A)80K$0
Jan 30, 2026Snyder Douglas B.SVP, General CounselGrant (A)130K$0

Institutional ownership over time

199 funds+47 since Q3 2024
0100199Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $2.9B

Funds that own IDYA also own

CompanyCo-held byCombined value
BOSTON SCIENTIFIC CORPBSX82 funds$2.5B
META PLATFORMS INC-CLASS AMETA81 funds$18.7B
ELI LILLY & COLLY81 funds$10.5B
NVIDIA CORPNVDA80 funds$60.2B
MICROSOFT CORPMSFT80 funds$41.2B
AMAZON.COM INCAMZN80 funds$31.4B
INTUITIVE SURGICAL INCISRG80 funds$3.7B
ALPHABET INC-CL AGOOGL79 funds$28.2B
ADVANCED MICRO DEVICESAMD79 funds$6.0B
HOME DEPOT INCHD79 funds$4.8B
ARISTA NETWORKS INCANET79 funds$3.5B
GILEAD SCIENCES INCGILD79 funds$3.4B

Ranked by how many of IDYA's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

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. Every panel above is one call to the Arkolith API & MCP server.