Company · Ownership research

So-Young International Inc. SY

CIK 0001758530 · CUSIP 83356Q108

Insider tradingInitial holdingsInstitutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 83356Q108 (SY), not CUSIP 83356Q958 (SY), CUSIP 83356Q908 (SY), and does not merge CUSIPs.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	TB Alternative Assets Ltd. CIK 1483503 · View history	$8.19M 3,067,873 shares	1.68%	0(0.00%)Unchanged	SEC filing ↗ Oct 16, 2026	▾
02	BARCLAYS PLC CIK 312069 · View history	$3.01M 1,129,166 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Nov 6, 2026	▾
03	CITIGROUP INC CIK 831001 · View history	$2.76M 1,035,309 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Nov 4, 2026	▾
04	UBS Group AG CIK 1610520 · View history	$616.42K 230,868 shares	0.00%	-215.69K(-48.30%)Reduced	SEC filing ↗ Nov 10, 2026	▾
05	STATE STREET CORP CIK 93751 · View history	$422.19K 158,125 shares	0.00%	-232.83K(-59.60%)Reduced	SEC filing ↗ Nov 12, 2026	▾
06	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$162.61K 60,904 shares	0.00%	-165.77K(-73.10%)Reduced	SEC filing ↗ Nov 4, 2026	▾
07	Invesco Ltd. CIK 914208 · View history	$134.90K 50,526 shares	0.00%	+249(+0.50%)Added	SEC filing ↗ Nov 12, 2026	▾
08	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$84.30K 31,572 shares	0.00%	-24.29K(-43.50%)Reduced	SEC filing ↗ Nov 6, 2026	▾
09	SmartHarvest Portfolios, LLC CIK 2066604 · View history	$82.66K 30,958 shares	0.03%	+30.96KNew	SEC filing ↗ Oct 26, 2026	▾
10	JANE STREET GROUP, LLC CIK 1595888 · View history	$45.60K 17,078 shares	0.00%	-94.92K(-84.80%)Reduced	SEC filing ↗ Nov 12, 2026	▾
11	SIMPLEX TRADING, LLC CIK 1488542 · View history	$20.94K 7,842 shares	0.00%	-13.59K(-63.40%)Reduced	SEC filing ↗ Nov 4, 2026	▾
12	SBI Securities Co., Ltd. CIK 1851815 · View history	$13.42K 5,026 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Oct 22, 2026	▾
13	RHUMBLINE ADVISERS CIK 1115418 · View history	$10.71K 4,011 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Nov 10, 2026	▾
14	GROUP ONE TRADING LLC CIK 932540 · View history	$3.43K 1,283 shares	0.00%	+1.28KNew	SEC filing ↗ Nov 10, 2026	▾
15	Caitong International Asset Management Co., Ltd CIK 1963355 · View history	$3.38K 1,267 shares	0.00%	+1.26K(+12,570.00%)Added	SEC filing ↗ Oct 29, 2026	▾
16	OSAIC HOLDINGS, INC. CIK 1677044 · View history	$2.13K 785 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Nov 12, 2026	▾
17	NISA INVESTMENT ADVISORS, LLC CIK 937615 · View history	$29.00 11 shares	0.00%	+11New	SEC filing ↗ Oct 20, 2026	▾

Showing 17 / 17 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

Cancelled or null records excluded

Disclosed shares

5,832,604

Not deduplicated across managers

Disclosed value

$15.57M

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

So-Young International Inc. · Q3 2026

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This page includes 17 of 17 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.