Vanguard Portfolio Management
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Vanguard Portfolio Management’s IDEAYA Biosciences IDYA Stock Holding History

Vanguard Portfolio Management’s Portfolio IDYA Stock Details IDYA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$30.6M Buy
821,612
+76,019
+10% +$2.33M ﹤0.01% 1855
2026
Q1 		$24.8M Buy
+745,593
New +$25M ﹤0.01% 1833

Other funds holding IDYA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LGM
Logos Global Management San Francisco, California $2.32B AUM 536.01% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return

Vanguard Portfolio Management's IDYA Position: Q2 2026 in Review

Vanguard Portfolio Management increased its IDEAYA Biosciences (IDYA) stake by 10% in Q2 2026, buying an estimated $2.33M and bringing the position to 821,612 shares worth $30.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1855.

Vanguard Portfolio Management first reported a position in IDYA in Q1 2026 and has held it in 2 quarters since. 282 funds tracked by Wall St. Rank hold IDYA as of Q2 2026.

  • Vanguard Portfolio Management held 821,612 shares of IDEAYA Biosciences worth $30.6M as of Q2 2026.
  • Vanguard Portfolio Management bought 76,019 IDEAYA Biosciences shares in Q2 2026, an estimated $2.33M.
  • IDEAYA Biosciences made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1855 holding.
  • Vanguard Portfolio Management first reported a position in IDEAYA Biosciences in Q1 2026 and has held it in 2 quarters since.
  • 282 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.