Marshall Wace
SEI

Marshall Wace’s Solaris Energy Infrastructure SEI Stock Holding History

Marshall Wace’s Portfolio SEI Stock Details SEI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$34.7M Sell
431,871
-1,038,371
-71% -$74.2M 0.03% 502
2026
Q1 		$83.1M Buy
1,470,242
+632,132
+75% +$34.2M 0.08% 215
2025
Q4 		$38.5M Buy
838,110
+305,572
+57% +$14.8M 0.04% 416
2025
Q3 		$21.3M Buy
532,538
+506,415
+1,939% +$15.8M 0.02% 630
2025
Q2 		$739K Sell
26,123
-27,160
-51% -$640K ﹤0.01% 1985
2025
Q1 		$1.16M Buy
53,283
+45,883
+620% +$1.27M ﹤0.01% 1718
2024
Q4 		$213K Sell
7,400
-17,220
-70% -$342K ﹤0.01% 2335
2024
Q3 		$314K Sell
24,620
-7,839
-24% -$93.3K ﹤0.01% 2119
2024
Q2 		$278K Buy
+32,459
New +$284K ﹤0.01% 2187
2024
Q1 		– Sell
-39,065
Closed -$311K – 2871
2023
Q4 		$311K Sell
39,065
-41,915
-52% -$379K ﹤0.01% 1878
2023
Q3 		$863K Buy
+80,980
New +$827K ﹤0.01% 1550
2023
Q2 		– Sell
-24,520
Closed -$209K – 3051
2023
Q1 		$209K Buy
24,520
+13,120
+115% +$126K ﹤0.01% 2405
2022
Q4 		$113K Sell
11,400
-8,428
-43% -$92.3K ﹤0.01% 2775
2022
Q3 		$185K Buy
+19,828
New +$204K ﹤0.01% 3102
2022
Q1 		– Sell
-91,507
Closed -$599K – 4137
2021
Q4 		$599K Buy
+91,507
New +$678K ﹤0.01% 2711
2021
Q1 		– Sell
-210,893
Closed -$1.72M – 2923
2020
Q4 		$1.72M Sell
210,893
-95,970
-31% -$685K 0.01% 1008
2020
Q3 		$1.95M Sell
306,863
-79,335
-21% -$582K 0.01% 814
2020
Q2 		$2.87M Sell
386,198
-359,277
-48% -$2.35M 0.02% 654
2020
Q1 		$3.91M Buy
745,475
+455,397
+157% +$4.78M 0.04% 447
2019
Q4 		$4.06M Buy
+290,078
New +$3.49M 0.03% 596
2019
Q3 		– Sell
-72,878
Closed -$1.09M – 1967
2019
Q2 		$1.09M Sell
72,878
-134,363
-65% -$2.23M 0.01% 908
2019
Q1 		$3.41M Buy
207,241
+128,281
+162% +$1.97M 0.03% 584
2018
Q4 		$955K Buy
78,960
+41,821
+113% +$594K 0.01% 928
2018
Q3 		$702K Buy
+37,139
New +$596K 0.01% 867

Other funds holding SEI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ECA
Encompass Capital Advisors New York $2.81B AUM 198.36% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
VCM
Valiant Capital Management San Francisco, California $2.48B AUM 57.08% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Marshall Wace's SEI Position: Q2 2026 in Review

Marshall Wace reduced its Solaris Energy Infrastructure (SEI) stake by 71% in Q2 2026, selling an estimated $74.2M and leaving 431,871 shares worth $34.7M. The position accounts for 0.03% of the portfolio, ranked #502.

Marshall Wace first reported a position in SEI in Q3 2018 and has held it in 24 quarters since. The position peaked at $83.1M in Q1 2026. 432 funds tracked by Wall St. Rank hold SEI as of Q2 2026.

  • Marshall Wace held 431,871 shares of Solaris Energy Infrastructure worth $34.7M as of Q2 2026.
  • Marshall Wace sold 1,038,371 Solaris Energy Infrastructure shares in Q2 2026, an estimated $74.2M.
  • Solaris Energy Infrastructure made up 0.03% of Marshall Wace's portfolio in Q2 2026, its #502 holding.
  • Marshall Wace first reported a position in Solaris Energy Infrastructure in Q3 2018 and has held it in 24 quarters since.
  • Marshall Wace's Solaris Energy Infrastructure position peaked at $83.1M in Q1 2026.
  • 432 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.