Adage Capital Partners’s Solaris Energy Infrastructure SEI Stock Holding History

Adage Capital Partners’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	–	Sell	-50,000	Closed	-$2.3M	–	1091
2025 Q4	$2.3M	Buy	+50,000	New	+$2.42M	﹤0.01%	827
2024 Q3	–	Sell	-802,986	Closed	-$6.89M	–	951
2024 Q2	$6.89M	Sell	802,986 -150,000	-16%	-$1.31M	0.01%	668
2024 Q1	$8.26M	Buy	952,986 +50,000	+6%	+$392K	0.02%	634
2023 Q4	$7.19M	Buy	902,986 +108,435	+14%	+$980K	0.01%	645
2023 Q3	$8.47M	Sell	794,551 -10,000	-1%	-$102K	0.02%	596
2023 Q2	$6.7M	Buy	804,551 +53,825	+7%	+$432K	0.01%	630
2023 Q1	$6.41M	Hold	750,726	–	–	0.01%	678
2022 Q4	$7.45M	Sell	750,726 -145,000	-16%	-$1.59M	0.02%	703
2022 Q3	$8.38M	Buy	895,726 +120,726	+16%	+$1.24M	0.02%	686
2022 Q2	$8.43M	Buy	775,000 +222,570	+40%	+$2.68M	0.02%	711
2022 Q1	$6.24M	Buy	552,430 +250,000	+83%	+$2.26M	0.01%	798
2021 Q4	$1.98M	Hold	302,430	–	–	﹤0.01%	870
2021 Q3	$2.52M	Sell	302,430 -15,000	-5%	-$122K	0.01%	885
2021 Q2	$3.09M	Sell	317,430 -478,608	-60%	-$5.07M	0.01%	861
2021 Q1	$9.77M	Sell	796,038 -950,000	-54%	-$10.8M	0.02%	686
2020 Q4	$14.2M	Buy	1,746,038 +225,000	+15%	+$1.61M	0.03%	510
2020 Q3	$9.64M	Buy	1,521,038 +100,000	+7%	+$734K	0.02%	532
2020 Q2	$10.5M	Sell	1,421,038 -50,000	-3%	-$327K	0.03%	514
2020 Q1	$7.72M	Buy	1,471,038 +35,671	+2%	+$374K	0.02%	510
2019 Q4	$20.1M	Hold	1,435,367	–	–	0.05%	384
2019 Q3	$19.3M	Hold	1,435,367	–	–	0.05%	377
2019 Q2	$21.5M	Hold	1,435,367	–	–	0.05%	353
2019 Q1	$23.6M	Hold	1,435,367	–	–	0.06%	344
2018 Q4	$17.4M	Buy	1,435,367 +480,808	+50%	+$6.83M	0.05%	370
2018 Q3	$18M	Buy	954,559 +154,559	+19%	+$2.48M	0.04%	425
2018 Q2	$11.4M	Buy	800,000 +178,800	+29%	+$2.97M	0.03%	535
2018 Q1	$10.3M	Sell	621,200 -653,800	-51%	-$12.3M	0.02%	548
2017 Q4	$27.3M	Hold	1,275,000	–	–	0.06%	338
2017 Q3	$22.2M	Hold	1,275,000	–	–	0.05%	388
2017 Q2	$14.7M	Buy	+1,275,000	New	+$14.5M	0.04%	488

Other funds holding SEI

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

Millennium Management New York $240B AUM 35.51% 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

Adage Capital Partners's SEI Position: Q1 2026 in Review

Adage Capital Partners sold out of Solaris Energy Infrastructure (SEI) in Q1 2026, closing a stake of 50,000 shares — an estimated $2.3M sold.

Adage Capital Partners first reported a position in SEI in Q2 2017 and held it in 30 quarters. The position peaked at $27.3M in Q4 2017. 363 funds tracked by Wall St. Rank hold SEI as of Q1 2026.

Adage Capital Partners reported no remaining Solaris Energy Infrastructure position as of Q1 2026 after selling out during the quarter.
Adage Capital Partners sold 50,000 Solaris Energy Infrastructure shares in Q1 2026, an estimated $2.3M.
Adage Capital Partners first reported a position in Solaris Energy Infrastructure in Q2 2017 and held it in 30 quarters.
Adage Capital Partners's Solaris Energy Infrastructure position peaked at $27.3M in Q4 2017.
363 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.