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SEI Institutional Ownership & 13F Holders | SmartMoneyDB

SEISOLARIS ENERGY INFRAS INC

COM CL A · CUSIP 83418M103

Smart Money Ownership

Of the 13 tracked institutions holding SEI, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +6.2pt. It's a gauge of who owns the name, not just how many.

SEI (SOLARIS ENERGY INFRAS INC) Institutional Ownership Summary

Among the 13 tracked institutional investors we monitor, SEI (SOLARIS ENERGY INFRAS INC) is held with a combined value of $1.14B across 15,672,224 shares. The largest holder is BlackRock, Inc. with a position worth $418.75M. RENAISSANCE TECHNOLOGIES LLC opened a new position in the most recent quarter. 6 funds increased their holdings. 6 funds reduced their position.

Total Institutional Value

$1.14B

Total Shares Held

15,672,224

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

BlackRock, Inc.+26% shares~$86.9M PRICE T ROWE ASSOCIATES INC /MD/+1454% shares~$60.1M RENAISSANCE TECHNOLOGIES LLCNew position~$22.0M TWO SIGMA ADVISERS, LP+105% shares~$13.0M VANGUARD GROUP INC+9% shares~$11.4M

13F Institutional Holders

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Situational Awareness LP

0.45% of book+2.2%

$90.89M

WELLINGTON MANAGEMENT GROUP LLP

0.01% of book-5.3%

$70.79M

PRICE T ROWE ASSOCIATES INC /MD/

0.01% of book+1454.4%

$64.24M

TWO SIGMA ADVISERS, LP

0.05% of book+105.1%

$25.44M

Point72 Asset Management, L.P.

0.04% of book-11.9%

$23.27M

RENAISSANCE TECHNOLOGIES LLC

0.03% of bookNew

$22.00M

#	Fund	Value↓	Shares	Portfolio %	Change
1	BlackRock, Inc.	$418.75M	5,204,415	0.01%	+26.2%
2	VANGUARD GROUP INC	$133.94M	2,913,632	0.00%	+9.3%
3	FMR LLC	$127.24M	1,581,402	0.01%	-15.1%
4	STATE STREET CORP	$119.65M	1,487,464	0.00%	+9.7%
5	Situational Awareness LP	$90.89M	1,129,621	0.45%	+2.2%
6	WELLINGTON MANAGEMENT GROUP LLP	$70.79M	879,771	0.01%	-5.3%
7	PRICE T ROWE ASSOCIATES INC /MD/	$64.24M	798,365	0.01%	+1454.4%
8	TWO SIGMA ADVISERS, LP	$25.44M	553,400	0.05%	+105.1%
9	Point72 Asset Management, L.P.	$23.27M	289,247	0.04%	-11.9%
10	RENAISSANCE TECHNOLOGIES LLC	$22.00M	273,400	0.03%	New

Activist & Large Holders (13D/13G)

Investor	Ownership	Type	Filed
Yorktown Energy Partners X, L.P.	7.2%	13G/A	2026-08-14
BlackRock, Inc.	13.1%

Congress Trading

1 member · 2 disclosed trades in SEI

Member	Type	Amount	Date
Gilbert Cisneros	Sell	$15,001 - $50,000	Jan 9, 2026
Gilbert Cisneros	Buy	$1,001 - $15,000	May 6, 2025

Frequently Asked Questions

Which institutional investors own the most SEI stock?

As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of SEI with a position worth $418.75M, representing 0.01% of their portfolio. In total, 13 institutional investors hold SEI with a combined value of $1.14B.

Are hedge funds buying or selling SEI?

In the most recent quarter, 1 fund opened a new position in SEI. Additionally, 6 increased their holdings and 6 reduced their positions.

What percentage of SEI is owned by institutional investors?

Institutional investors hold $1.14B worth of SEI stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $418.75M in holdings.

What is a 13F filing and why does it matter for SEI?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For SEI, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track SEI institutional moves

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