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SIMPLEX TRADING, LLC

Position in SY — So-Young International Inc.

CIK 1488542 CHICAGO, IL

Position in SY

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$31,716
-$39,992 QoQ
Shares Held
21,430
-18.4% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#19
of 25 holders
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SY Over Time

Shares Held

Position Value (USD)

Position in Health Information Services

Healthcare · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $4,111,385 across 16 Health Information Services names. SY ranks #8 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 SY
So-Young International Inc.
This page
21,430 $31,716

All Filings in SY

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $31,716 21,430
2026-03-31 $71,708 26,267
2025-12-31 $111,715 43,639
2025-09-30 $108,894 28,138
2025-06-30 $103,013 33,230
2025-03-31 $141 171
2024-12-31 $141 171
2024-03-31 $65 60
2023-12-31 $263 204
2023-06-30 $8,169 4,440
2023-03-31 $7,277 3,385
2022-12-31 $5 4,369
2022-09-30 $4,171 5,794
2022-06-30 $1,023 1,194
2022-03-31 $47,555 24,018
2021-09-30 $9,563 2,245
2021-06-30 $26,831 2,792
2021-03-31 $54,512 5,523
2020-09-30 $89,128 7,136
2020-06-30 $3,433 253
2020-03-31 $117,176 11,443