Rafferty Asset Management
IDYA icon

Rafferty Asset Management’s IDEAYA Biosciences IDYA Stock Holding History

Rafferty Asset 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 		$2.39M Sell
64,150
-22,534
-26% -$690K 0.01% 600
2026
Q1 		$2.89M Sell
86,684
-39,678
-31% -$1.33M 0.01% 522
2025
Q4 		$4.37M Buy
126,362
+33,210
+36% +$1.06M 0.02% 466
2025
Q3 		$2.53M Sell
93,152
-16,655
-15% -$403K 0.01% 589
2025
Q2 		$2.31M Sell
109,807
-11,581
-10% -$222K 0.01% 569
2025
Q1 		$1.99M Buy
121,388
+3,161
+3% +$67.3K 0.01% 581
2024
Q4 		$3.04M Sell
118,227
-7,792
-6% -$221K 0.01% 520
2024
Q3 		$3.99M Sell
126,019
-5,077
-4% -$193K 0.01% 468
2024
Q2 		$4.6M Sell
131,096
-70,195
-35% -$2.78M 0.02% 438
2024
Q1 		$8.83M Buy
201,291
+7,935
+4% +$341K 0.03% 315
2023
Q4 		$6.88M Buy
193,356
+64,280
+50% +$1.92M 0.03% 375
2023
Q3 		$3.48M Buy
129,076
+4,059
+3% +$103K 0.02% 473
2023
Q2 		$2.94M Sell
125,017
-2,616
-2% -$53.8K 0.02% 534
2023
Q1 		$1.75M Sell
127,633
-26,630
-17% -$444K 0.01% 648
2022
Q4 		$2.8M Buy
154,263
+42,144
+38% +$709K 0.02% 499
2022
Q3 		$1.67M Buy
112,119
+67,952
+154% +$883K 0.02% 551
2022
Q2 		$610K Sell
44,167
-64,772
-59% -$720K 0.01% 769
2022
Q1 		$1.22M Buy
108,939
+2,234
+2% +$32.9K 0.01% 738
2021
Q4 		$2.52M Buy
106,705
+75,230
+239% +$1.75M 0.01% 583
2021
Q3 		$802K Buy
+31,475
New +$735K 0.01% 924

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

Rafferty Asset Management's IDYA Position: Q2 2026 in Review

Rafferty Asset Management reduced its IDEAYA Biosciences (IDYA) stake by 26% in Q2 2026, selling an estimated $690K and leaving 64,150 shares worth $2.39M. The position accounts for 0.01% of the portfolio, ranked #600.

Rafferty Asset Management first reported a position in IDYA in Q3 2021 and has held it in 20 quarters since. The position peaked at $8.83M in Q1 2024. 286 funds tracked by Wall St. Rank hold IDYA as of Q2 2026.

  • Rafferty Asset Management held 64,150 shares of IDEAYA Biosciences worth $2.39M as of Q2 2026.
  • Rafferty Asset Management sold 22,534 IDEAYA Biosciences shares in Q2 2026, an estimated $690K.
  • IDEAYA Biosciences made up 0.01% of Rafferty Asset Management's portfolio in Q2 2026, its #600 holding.
  • Rafferty Asset Management first reported a position in IDEAYA Biosciences in Q3 2021 and has held it in 20 quarters since.
  • Rafferty Asset Management's IDEAYA Biosciences position peaked at $8.83M in Q1 2024.
  • 286 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2026.

Based on Rafferty Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.