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GROUP ONE TRADING LLC

Position in SEIC — Sei Investments Co

CIK 932540 CHICAGO, IL

Position in SEIC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$701
-$15,228 QoQ
Shares Held
8
-96.1% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#554
of 569 holders
Holding Since
Sep 2021
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SEIC Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $73,579,561 across 47 Asset Management names. SEIC ranks #47 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SEIC

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $701 8
2026-03-31 $15,929 203
2025-12-31 $16,650 203
2025-09-30 $17,224 203
2022-09-30 $79,461 1,620
2022-06-30 $87,512 1,620
2021-12-31 $36,564 600
2021-09-30 $29,650 500