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GROUP ONE TRADING LLC

Position in SEM — Select Medical Holdings Corp

CIK 932540 CHICAGO, IL

Position in SEM

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$139,719
+$138,633 QoQ
Shares Held
8,577
+10896.2% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2020
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SEM Over Time

Shares Held

Position Value (USD)

Position in Medical Care Facilities

Healthcare · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $8,440,193 across 19 Medical Care Facilities names. SEM ranks #8 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 SEM
Select Medical Holdings Corp
This page
8,577 $139,719

All Filings in SEM

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $139,719 8,577
2023-03-31 $1,086 78
2022-12-31 $735 55
2021-09-30 $29,621 1,520
2020-12-31 $351,710 23,600