Oberweis Asset Management’s Solaris Energy Infrastructure SEI Stock Holding History

Oberweis Asset 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	$30.1M	Buy	531,889 +164,989	+45%	+$8.93M	0.89%	30
2025 Q4	$16.9M	Hold	366,900	–	–	0.62%	62
2025 Q3	$14.7M	Hold	366,900	–	–	0.56%	68
2025 Q2	$10.4M	Buy	366,900 +6,900	+2%	+$162K	0.45%	82
2025 Q1	$7.83M	Buy	+360,000	New	+$9.98M	0.39%	94
2019 Q3	–	Sell	-88,800	Closed	-$1.33M	–	219
2019 Q2	$1.33M	Hold	88,800	–	–	0.24%	53
2019 Q1	$1.46M	Hold	88,800	–	–	0.29%	52
2018 Q4	$1.07M	Buy	88,800 +10,800	+14%	+$153K	0.24%	70
2018 Q3	$1.47M	Buy	+78,000	New	+$1.25M	0.29%	61

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

Oberweis Asset Management's SEI Position: Q1 2026 in Review

Oberweis Asset Management increased its Solaris Energy Infrastructure (SEI) stake by 45% in Q1 2026, buying an estimated $8.93M and bringing the position to 531,889 shares worth $30.1M. The position accounts for 0.89% of the portfolio, ranked #30.

Oberweis Asset Management first reported a position in SEI in Q3 2018 and has held it in 9 quarters since. 363 funds tracked by Wall St. Rank hold SEI as of Q1 2026.

Oberweis Asset Management held 531,889 shares of Solaris Energy Infrastructure worth $30.1M as of Q1 2026.
Oberweis Asset Management bought 164,989 Solaris Energy Infrastructure shares in Q1 2026, an estimated $8.93M.
Solaris Energy Infrastructure made up 0.89% of Oberweis Asset Management's portfolio in Q1 2026, its #30 holding.
Oberweis Asset Management first reported a position in Solaris Energy Infrastructure in Q3 2018 and has held it in 9 quarters since.
363 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q1 2026.

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