Millennium Management’s Solaris Energy Infrastructure SEI Stock Holding History

Millennium Management’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 Q1	$129M	Buy	2,285,544 +440,494	+24%	+$23.8M	0.05%	347
2025 Q4	$84.8M	Buy	1,845,050 +1,042,902	+130%	+$50.4M	0.04%	498
2025 Q3	$32.1M	Buy	802,148 +155,385	+24%	+$4.86M	0.01%	1202
2025 Q2	$18.3M	Sell	646,763 -471,562	-42%	-$11.1M	0.01%	1664
2025 Q1	$24.3M	Buy	1,118,325 +846,734	+312%	+$23.5M	0.01%	1333
2024 Q4	$7.82M	Buy	271,591 +182,585	+205%	+$3.63M	﹤0.01%	2410
2024 Q3	$1.14M	Sell	89,006 -508,888	-85%	-$6.06M	﹤0.01%	4161
2024 Q2	$5.13M	Sell	597,894 -223,588	-27%	-$1.95M	﹤0.01%	2705
2024 Q1	$7.12M	Buy	821,482 +617,937	+304%	+$4.85M	﹤0.01%	2509
2023 Q4	$1.62M	Buy	203,545 +90,712	+80%	+$820K	﹤0.01%	3781
2023 Q3	$1.2M	Buy	+112,833	New	+$1.15M	﹤0.01%	4037
2023 Q2	–	Sell	-64,761	Closed	-$553K	–	6789
2023 Q1	$553K	Sell	64,761 -105,831	-62%	-$1.02M	﹤0.01%	4537
2022 Q4	$1.69M	Sell	170,592 -562,418	-77%	-$6.16M	﹤0.01%	3707
2022 Q3	$6.86M	Buy	733,010 +169,080	+30%	+$1.74M	﹤0.01%	2584
2022 Q2	$6.14M	Buy	563,930 +330,484	+142%	+$3.98M	﹤0.01%	2584
2022 Q1	$2.64M	Buy	233,446 +185,978	+392%	+$1.68M	﹤0.01%	3612
2021 Q4	$311K	Buy	+47,468	New	+$352K	﹤0.01%	5501
2021 Q3	–	Sell	-203,159	Closed	-$1.98M	–	7342
2021 Q2	$1.98M	Buy	+203,159	New	+$2.15M	﹤0.01%	3979
2020 Q2	–	Sell	-10,945	Closed	-$57K	–	4680
2020 Q1	$57K	Sell	10,945 -442,413	-98%	-$4.64M	﹤0.01%	3646
2019 Q4	$6.35M	Sell	453,358 -479,439	-51%	-$5.76M	0.01%	1730
2019 Q3	$12.5M	Buy	932,797 +438,616	+89%	+$5.99M	0.02%	1116
2019 Q2	$7.4M	Buy	494,181 +337,431	+215%	+$5.6M	0.01%	1478
2019 Q1	$2.58M	Buy	156,750 +141,650	+938%	+$2.17M	﹤0.01%	2237
2018 Q4	$183K	Sell	15,100 -119,051	-89%	-$1.69M	﹤0.01%	3417
2018 Q3	$2.53M	Sell	134,151 -108,046	-45%	-$1.73M	﹤0.01%	2276
2018 Q2	$3.46M	Buy	242,197 +913	+0.4%	+$15.2K	﹤0.01%	2042
2018 Q1	$4M	Buy	241,284 +180,387	+296%	+$3.39M	0.01%	1944
2017 Q4	$1.3M	Buy	60,897 +22,823	+60%	+$386K	﹤0.01%	2549
2017 Q3	$664K	Buy	+38,074	New	+$524K	﹤0.01%	2711

Other funds holding SEI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

ECA

Encompass Capital Advisors New York $3.34B AUM 167.64% 1-Year Est. Return

SPPAM

Summit Partners Public Asset Management Boston, Massachusetts $3.72B AUM 162.29% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Millennium Management's SEI Position: Q1 2026 in Review

Millennium Management increased its Solaris Energy Infrastructure (SEI) stake by 24% in Q1 2026, buying an estimated $23.8M and bringing the position to 2,285,544 shares worth $129M. The position accounts for 0.05% of the portfolio, ranked #347.

Millennium Management first reported a position in SEI in Q3 2017 and has held it in 29 quarters since. 363 funds tracked by Wall St. Rank hold SEI as of Q1 2026.

Millennium Management held 2,285,544 shares of Solaris Energy Infrastructure worth $129M as of Q1 2026.
Millennium Management bought 440,494 Solaris Energy Infrastructure shares in Q1 2026, an estimated $23.8M.
Solaris Energy Infrastructure made up 0.05% of Millennium Management's portfolio in Q1 2026, its #347 holding.
Millennium Management first reported a position in Solaris Energy Infrastructure in Q3 2017 and has held it in 29 quarters since.
363 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.