SEI INVESTMENTS CO

SEICNASDAQ

$103.26+0.83 (+0.81% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

SEI INVESTMENTS CO price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+21.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	8.27%	$871M	0.01%	Not reported
Loomis Sayles & Co L P	7.07%	$744M	0.93%	Reduce 1.70%
Vanguard Portfolio Management LLC	5.12%	$539M	0.02%	Not reported
Vanguard Capital Management LLC	3.91%	$411M	0.01%	Not reported
State Street Corp	3.54%	$373M	0.01%	Not reported
Morgan Stanley	3.43%	$361M	0.02%	Not reported
Geode Capital Management, LLC	2.46%	$259M	0.01%	Not reported
Bank of America Corp	2.42%	$255M	0.02%	Not reported
FMR LLC	2.09%	$220M	0.01%	Not reported
Lord, Abbett & Co. LLC	1.92%	$203M	0.58%	Add 4.75%
Dimensional Fund Advisors LP	1.64%	$172M	0.03%	Not reported
First Trust Advisors LP	1.25%	$132M	0.08%	Reduce 17.59%
Beutel, Goodman & Co Ltd.	1.25%	$131M	0.96%	Reduce 15.70%
Invesco Ltd.	0.93%	$97.4M	0.01%	Not reported
Royce & Associates LP	0.88%	$92.1M	0.74%	Not reported
Caisse de depot et placement du Quebec	0.84%	$87.9M	0.13%	Reduce 16.33%
Boston Trust Walden Corp	0.83%	$86.9M	0.66%	Reduce 4.66%
Northern Trust Corp	0.76%	$80.2M	0.01%	Not reported
Bank of New York Mellon Corp	0.75%	$78.4M	0.01%	Not reported
Norges Bank	0.74%	$77.8M	0.01%	Not reported
Barclays PLC	0.69%	$72.4M	0.01%	Not reported
American Capital Management Inc	0.62%	$65.4M	2.93%	Reduce 3.03%
Charles Schwab Investment Management Inc	0.58%	$61M	0.01%	Not reported
Arrowstreet Capital, Limited Partnership	0.55%	$57.9M	0.03%	Not reported
Clark Capital Management Group, Inc.	0.53%	$56M	0.31%	Reduce 23.74%
Vanguard Fiduciary Trust Co	0.49%	$52M	0.01%	Not reported
Raymond James Financial Inc	0.49%	$51.2M	0.01%	Not reported
Jane Street Group, LLC	0.48%	$50.8M	0.00%	Not reported
Ameriprise Financial Inc	0.48%	$50.8M	0.01%	Not reported
First Financial Bankshares Inc	0.46%	$48.5M	0.91%	Reduce 0.25%
Quantinno Capital Management LP	0.44%	$46.7M	0.06%	Add 39.24%
Voloridge Investment Management, LLC	0.43%	$45.5M	0.19%	Add 25.85%
Envestnet Asset Management Inc	0.40%	$42M	0.01%	Not reported
Natixis Advisors, LLC	0.39%	$40.5M	0.05%	Reduce 1.70%
Goldman Sachs Group Inc	0.38%	$40.5M	0.00%	Not reported
Azora Capital LP	0.37%	$38.9M	1.64%	New Not reported
JPMorgan Chase & Co	0.31%	$32.9M	0.00%	Not reported
AQR Capital Management LLC	0.28%	$29.3M	0.01%	Not reported
Thrivent Financial for Lutherans	0.27%	$28.5M	0.05%	Reduce 0.31%
ProShare Advisors LLC	0.27%	$28M	0.04%	Not reported
Arbejdsmarkedets Tillaegspension	0.26%	$27.5M	0.60%	Reduce 3.04%
Balyasny Asset Management L.P.	0.26%	$27M	0.03%	Not reported
UBS Group AG	0.26%	$27M	0.00%	Not reported
Rhumbline Advisers	0.25%	$26.6M	0.02%	Not reported
Public Employees Retirement Association of Colorado	0.25%	$26.4M	0.09%	Add 37.02%
Renaissance Technologies LLC	0.24%	$25M	0.03%	Not reported
Victory Capital Management Inc	0.23%	$23.7M	0.01%	Not reported
Millennium Management LLC	0.22%	$23.3M	0.01%	Not reported
JLB & Associates Inc	0.22%	$22.9M	3.07%	Add 0.92%
Retirement Systems of Alabama	0.21%	$22.2M	0.07%	Reduce 7.09%

50 of 536 holders

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