William Blair & Company
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William Blair & Company’s Idacorp IDA Stock Holding History

William Blair & Company’s Portfolio IDA Stock Details IDA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$794K Buy
5,249
+757
+17% +$109K ﹤0.01% 1062
2026
Q1 		$642K Sell
4,492
-1,099
-20% -$151K ﹤0.01% 1059
2025
Q4 		$708K Buy
5,591
+3,263
+140% +$424K ﹤0.01% 1028
2025
Q3 		$308K Buy
2,328
+6
+0.3% +$743 ﹤0.01% 1296
2025
Q2 		$268K Buy
2,322
+6
+0.3% +$695 ﹤0.01% 1301
2025
Q1 		$269K Hold
2,316
– – ﹤0.01% 1295
2024
Q4 		$253K Sell
2,316
-2,039
-47% -$224K ﹤0.01% 1351
2024
Q3 		$449K Sell
4,355
-20
-0.5% -$2K ﹤0.01% 1146
2024
Q2 		$408K Buy
4,375
+1,928
+79% +$181K ﹤0.01% 1161
2024
Q1 		$227K Sell
2,447
-362
-13% -$33.1K ﹤0.01% 1356
2023
Q4 		$276K Buy
2,809
+310
+12% +$30K ﹤0.01% 1287
2023
Q3 		$234K Buy
2,499
+7
+0.3% +$691 ﹤0.01% 1340
2023
Q2 		$256K Buy
2,492
+6
+0.2% +$645 ﹤0.01% 1317
2023
Q1 		$269K Sell
2,486
-29
-1% -$3.04K ﹤0.01% 1284
2022
Q4 		$271K Sell
2,515
-116
-4% -$12K ﹤0.01% 1269
2022
Q3 		$260K Hold
2,631
– – ﹤0.01% 1288
2022
Q2 		$279K Buy
2,631
+439
+20% +$47.4K ﹤0.01% 1300
2022
Q1 		$253K Sell
2,192
-32
-1% -$3.48K ﹤0.01% 1425
2021
Q4 		$252K Buy
2,224
+185
+9% +$19.7K ﹤0.01% 1483
2021
Q3 		$211K Sell
2,039
-428
-17% -$44.7K ﹤0.01% 1473
2021
Q2 		$241K Sell
2,467
-1,961
-44% -$197K ﹤0.01% 1433
2021
Q1 		$443K Sell
4,428
-991
-18% -$90.6K ﹤0.01% 1169
2020
Q4 		$520K Sell
5,419
-576
-10% -$52.4K ﹤0.01% 1074
2020
Q3 		$479K Buy
+5,995
New +$528K ﹤0.01% 983

Other funds holding IDA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
WHRC
W.H. Reaves & Co Jersey City, New Jersey $6.59B AUM 31.9% 1-Year Est. Return

William Blair & Company's IDA Position: Q2 2026 in Review

William Blair & Company increased its Idacorp (IDA) stake by 17% in Q2 2026, buying an estimated $109K and bringing the position to 5,249 shares worth $794K. The position accounts for ﹤0.01% of the portfolio, ranked #1062.

William Blair & Company first reported a position in IDA in Q3 2020 and has held it in 24 quarters since. 565 funds tracked by Wall St. Rank hold IDA as of Q2 2026.

  • William Blair & Company held 5,249 shares of Idacorp worth $794K as of Q2 2026.
  • William Blair & Company bought 757 Idacorp shares in Q2 2026, an estimated $109K.
  • Idacorp made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1062 holding.
  • William Blair & Company first reported a position in Idacorp in Q3 2020 and has held it in 24 quarters since.
  • 565 funds tracked by Wall St. Rank held Idacorp as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.