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
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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
WHRC
W.H. Reaves & Co Jersey City, New Jersey $6.59B AUM 31.9% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

William Blair & Company's IDA Position: Q1 2026 in Review

William Blair & Company reduced its Idacorp (IDA) stake by 20% in Q1 2026, selling an estimated $151K and leaving 4,492 shares worth $642K. The position accounts for ﹤0.01% of the portfolio, ranked #1059.

William Blair & Company first reported a position in IDA in Q3 2020 and has held it in 23 quarters since. The position peaked at $708K in Q4 2025. 549 funds tracked by Wall St. Rank hold IDA as of Q1 2026.

  • William Blair & Company held 4,492 shares of Idacorp worth $642K as of Q1 2026.
  • William Blair & Company sold 1,099 Idacorp shares in Q1 2026, an estimated $151K.
  • Idacorp made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1059 holding.
  • William Blair & Company first reported a position in Idacorp in Q3 2020 and has held it in 23 quarters since.
  • William Blair & Company's Idacorp position peaked at $708K in Q4 2025.
  • 549 funds tracked by Wall St. Rank held Idacorp as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.