JY
SEI

Jeff Yass’s Solaris Energy Infrastructure SEI Stock Holding History

Jeff Yass’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 		$31.9M Sell
396,200
-584,500
-60% -$41.8M ﹤0.01% 1952
2026
Q1 		$55.4M Buy
980,700
+827,000
+538% +$44.7M 0.01% 1214
2025
Q4 		$7.07M Sell
153,700
-79,700
-34% -$3.86M ﹤0.01% 3516
2025
Q3 		$9.33M Buy
233,400
+22,700
+11% +$710K ﹤0.01% 3126
2025
Q2 		$5.96M Buy
210,700
+156,700
+290% +$3.69M ﹤0.01% 3650
2025
Q1 		$1.18M Buy
+54,000
New +$1.5M ﹤0.01% 6847
2023
Q4 		– Sell
-17,100
Closed -$182K – 13453
2023
Q3 		$182K Sell
17,100
-5,500
-24% -$56.1K ﹤0.01% 10329
2023
Q2 		$188K Buy
22,600
+6,800
+43% +$54.5K ﹤0.01% 10336
2023
Q1 		$135K Buy
+15,800
New +$152K ﹤0.01% 11015
2022
Q4 		– Sell
-15,600
Closed -$146K – 13899
2022
Q3 		$146K Sell
15,600
-36,200
-70% -$373K ﹤0.01% 11284
2022
Q2 		$564K Sell
51,800
-10,100
-16% -$122K ﹤0.01% 7973
2022
Q1 		$699K Sell
61,900
-3,100
-5% -$28.1K ﹤0.01% 8087
2021
Q4 		$426K Buy
65,000
+32,300
+99% +$239K ﹤0.01% 9591
2021
Q3 		$273K Sell
32,700
-15,500
-32% -$126K ﹤0.01% 10807
2021
Q2 		$469K Sell
48,200
-26,800
-36% -$284K ﹤0.01% 9744
2021
Q1 		$920K Buy
+75,000
New +$855K ﹤0.01% 7960
2020
Q3 		– Sell
-22,500
Closed -$167K – 11259
2020
Q2 		$167K Sell
22,500
-8,900
-28% -$58.2K ﹤0.01% 9182
2020
Q1 		$165K Buy
31,400
+16,400
+109% +$172K ﹤0.01% 8903
2019
Q4 		$210K Buy
15,000
+3,700
+33% +$44.5K ﹤0.01% 8687
2019
Q3 		$152K Sell
11,300
-23,500
-68% -$321K ﹤0.01% 9315
2019
Q2 		$521K Buy
34,800
+3,300
+10% +$54.7K ﹤0.01% 7179
2019
Q1 		$518K Buy
31,500
+10,300
+49% +$158K ﹤0.01% 6207
2018
Q4 		$256K Sell
21,200
-18,700
-47% -$266K ﹤0.01% 7293
2018
Q3 		$754K Sell
39,900
-11,800
-23% -$189K ﹤0.01% 5800
2018
Q2 		$739K Buy
+51,700
New +$858K ﹤0.01% 6020

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

Jeff Yass's SEI Position: Q2 2026 in Review

Jeff Yass increased its Solaris Energy Infrastructure (SEI) stake by 135% in Q2 2026, buying an estimated $4.25M and bringing the position to 103,664 shares worth $8.34M. The position accounts for ﹤0.01% of the portfolio, ranked #3686.

Jeff Yass first reported a position in SEI in Q2 2018 and has held it in 26 quarters since. 431 funds tracked by Wall St. Rank hold SEI as of Q2 2026.

  • Jeff Yass held 103,664 shares of Solaris Energy Infrastructure worth $8.34M as of Q2 2026.
  • Jeff Yass bought 59,532 Solaris Energy Infrastructure shares in Q2 2026, an estimated $4.25M.
  • Solaris Energy Infrastructure made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #3686 holding.
  • Jeff Yass first reported a position in Solaris Energy Infrastructure in Q2 2018 and has held it in 26 quarters since.
  • 431 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.