Marshall Wace
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Marshall Wace’s Idacorp IDA Stock Holding History

Marshall Wace’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
2025
Q3 		– Sell
-42,342
Closed -$4.89M – 3103
2025
Q2 		$4.89M Sell
42,342
-27,372
-39% -$3.17M 0.01% 1145
2025
Q1 		$8.1M Buy
+69,714
New +$7.81M 0.01% 852
2024
Q3 		– Sell
-2,400
Closed -$224K – 2706
2024
Q2 		$224K Buy
+2,400
New +$225K ﹤0.01% 2262
2022
Q1 		– Sell
-508
Closed -$57K – 3630
2021
Q4 		$57K Buy
+508
New +$54.1K ﹤0.01% 3535
2020
Q4 		– Sell
-57,783
Closed -$4.62M – 2010
2020
Q3 		$4.62M Buy
+57,783
New +$5.09M 0.03% 537
2020
Q2 		– Sell
-589
Closed -$52K – 1738
2020
Q1 		$52K Buy
+589
New +$60.6K ﹤0.01% 1429
2019
Q1 		– Sell
-37,486
Closed -$3.49M – 1871
2018
Q4 		$3.49M Buy
+37,486
New +$3.66M 0.04% 569
2014
Q3 		– Sell
-4,700
Closed -$272K – 948
2014
Q2 		$272K Buy
+4,700
New +$260K ﹤0.01% 777

Other funds holding IDA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 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
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 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 $167B AUM 44.17% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Marshall Wace's IDA Position: Q3 2025 in Review

Marshall Wace sold out of Idacorp (IDA) in Q3 2025, closing a stake of 42,342 shares — an estimated $4.89M sold.

Marshall Wace first reported a position in IDA in Q2 2014 and held it in 8 quarters. The position peaked at $8.1M in Q1 2025. 488 funds tracked by Wall St. Rank hold IDA as of Q3 2025.

  • Marshall Wace reported no remaining Idacorp position as of Q3 2025 after selling out during the quarter.
  • Marshall Wace sold 42,342 Idacorp shares in Q3 2025, an estimated $4.89M.
  • Marshall Wace first reported a position in Idacorp in Q2 2014 and held it in 8 quarters.
  • Marshall Wace's Idacorp position peaked at $8.1M in Q1 2025.
  • 488 funds tracked by Wall St. Rank held Idacorp as of Q3 2025.

Based on Marshall Wace's 13F filing for Q3 2025, filed 13 Nov 2025.