IDEAYA Biosciences, Inc. (IDYA) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

2,020,148Shares held by institutions

$63,513,453Value of institutional holdings

107.44%Institutional ownership %

6.30%Shares Changed QoQ

202No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

IDEAYA Biosciences, Inc. (NASDAQ:IDYA) showed up in the 13F filings of 239 institutional investors as of December 2025.

These investors held 105.8% of outstanding shares in December 2025, down from 106.2% in September 2025.
They increased total shares held in IDEAYA Biosciences by 2.38% from the prior quarter, while the number of investors in IDYA increased 17.16% year over year.
During the quarter, 131 of these 239 funds increased positions in IDYA, 76 reduced exposure, and 32 held steady.
Institutional investors collectively held 93.59Mn shares in IDEAYA Biosciences as of December 2025, up by 2.18Mn shares quarter on quarter, and down 1.06Mn shares year over year.
FMR LLC holds the largest position in IDYA at 13.15Mn shares as of December 31, 2025, or 14.86% of shares outstanding.
The largest buyers of IDEAYA Biosciences for the quarter ending December 2025 were GSK plc (1.33Mn), State Street Corp (893.71K), Logos Global Management LP (875.0K), Janus Henderson Group Plc (758.12K), First Turn Management, LLC (723.65K).
Leading sellers of IDEAYA Biosciences shares for the quarter ending December 2025 were Point72 Asset Management, L.P. (1.97Mn), Capital Research Global Investors (1.27Mn), Federated Hermes, Inc. (1.23Mn), Bank Of America Corp /De/ (929.16K), CITADEL ADVISORS LLC (357.64K).
Business Quant data shows the 10 biggest positions in IDEAYA Biosciences as of December 2025 are held by FMR LLC (13.15Mn), BlackRock, Inc. (8.21Mn), Janus Henderson Group Plc (7.19Mn), Capital Research Global Investors (5.28Mn), VANGUARD GROUP INC (5.02Mn), State Street Corp (4.13Mn), BAKER BROS. ADVISORS LP (3.62Mn), Federated Hermes, Inc. (3.4Mn), Logos Global Management LP (3.12Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (2.8Mn).

239 Institutional Holders

2,020,148 Total Shares Held

Rows:

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Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	82,166	1.01%	$0.00
FMR LLC	31 Dec, 2025	3,415	0.03%	$0.00
Logos Global Management LP	31 Dec, 2025	875,000	38.89%	$0.00
Barclays Plc	31 Dec, 2025	-195,679	-45.34%	$0.00
Janus Henderson Group Plc	31 Dec, 2025	758,117	11.79%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	-1,971,148	-51.66%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	16,660	81.64%	$0.00
Capital Research Global Investors	31 Dec, 2025	-1,273,016	-19.43%	$0.00
UBS Group AG	31 Dec, 2025	29,055	2.75%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	7,266	2,242.59%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	97,116	1.97%	$0.00
Sofinnova Investments, Inc.	31 Dec, 2025	-37,574	-4.07%	$0.00
State Street Corp	31 Dec, 2025	893,707	27.58%	$0.00
Pictet Asset Management Holding SA	31 Dec, 2025	-298,664	-28.91%	$0.00
BAKER BROS. ADVISORS LP	31 Dec, 2025	343,382	10.48%	$0.00
First Turn Management, LLC	31 Dec, 2025	723,653	0.00%	$0.00
Federated Hermes, Inc.	31 Dec, 2025	-1,230,079	-26.59%	$0.00
Aberdeen Group plc	31 Dec, 2025	2,575	0.46%	$0.00
ADAGE CAPITAL PARTNERS GP, L.L.C.	31 Dec, 2025	-100,094	-3.45%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	204,158	77.42%	$0.00

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