SY · So-Young International Inc. · Holdings

$2.71 +0.09 (+3.44%) At close · Sep 11

Market Cap

$272.66M

100.61M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 26

Total Value: $12,481,329

Total Shares: 8,433,340

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 26 13F filers · Δ vs Mar 31, 2026

Top Holder

36.4%

+6.0 pts

Top 5

81.9%

+9.4 pts

Top 10

94.4%

+2.3 pts

HHI

1,936

Moderately concentrated+452

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -6

Institutional value: -54.7%

Shares held: -16.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega UBS Group AG	+250,408	446,553
Mega JANE STREET GROUP, LLC	+87,031	154,101
Large HRT FINANCIAL LP	+55,123	77,754
Mid Tower Research Capital LLC (TRC)	+12,356	27,763
Mega TWO SIGMA INVESTMENTS, LP	+3,900	16,800

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−305,500	175,300
Mega STATE STREET CORP	−254,932	390,951
Mega MORGAN STANLEY	−115,397	1,231,737
Mega BNP PARIBAS ARBITRAGE, SA	−44,001	25,799
Mega CITADEL ADVISORS LLC	−8,855	57,545

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)	Open
Large MARSHALL WACE, LLP	54,061	$80,010
Large ACADIAN ASSET MANAGEMENT LLC	25,056	$37,082

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small KADENSA CAPITAL Ltd	737,949	$2,014,600
Mega GOLDMAN SACHS GROUP INC	419,761	$1,145,947
Large RENAISSANCE TECHNOLOGIES LLC	122,200	$333,606
Mid DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD.	79,915	$218,167
Mid Virtu Financial LLC	17,492	$47,753

Filter: New 2 Increased 7 Reduced 11 Sold out 8 Unchanged 6

Showing 30 of 30

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

TB Alternative Assets Ltd.

$4,540,452

36.38%

3,067,873

MORGAN STANLEY

$1,822,970

14.61%

1,231,737

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	1,231,737	$1,822,970	100.0%	Defined

BARCLAYS PLC

$1,671,165

13.39%

1,129,166

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	1,129,166	$1,671,165	100.0%	Defined

CITIGROUP INC

$1,532,257

12.28%

1,035,309

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	1,035,309	$1,532,257	100.0%	Defined

UBS Group AG

$660,898

5.30%

446,553

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	30	$44	0.0%	Defined
UBS AG	446,523	$660,854	100.0%	Defined

STATE STREET CORP

$578,607

4.64%

390,951

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	390,951	$578,607	100.0%	Defined

DIMENSIONAL FUND ADVISORS LP

$335,470

2.69%

226,670

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DFA Australia Ltd.	3,176	$4,700	1.4%	Defined
Dimensional Ireland Ltd	15,390	$22,777	6.8%	Defined
Held directly	208,104	$307,993	91.8%	Sole

JANE STREET GROUP, LLC

$165,760

1.33%

112,001

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	95,977	$142,045	85.7%	Defined
Jane Street Global Trading, LLC	16,024	$23,715	14.3%	Defined

NOMURA HOLDINGS INC

$158,656

1.27%

107,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NOMURA GLOBAL FINANCIAL PRODUCTS INC	107,200	$158,656	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$145,780

1.17%

98,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	98,500	$145,780	100.0%	Other

HRT FINANCIAL LP

$115,075

0.92%

77,754

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$113,664

0.91%

76,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	76,800	$113,664	100.0%	Other

GEODE CAPITAL MANAGEMENT, LLC

$82,668

0.66%

55,857

MARSHALL WACE, LLP

$80,010

0.64%

54,061

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	54,061	$80,010	100.0%	Other

Invesco Ltd.

$74,409

0.60%

50,277

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Capital Management LLC	50,277	$74,409	100.0%	Defined

CITADEL ADVISORS LLC

$63,262

0.51%

42,745

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	42,745	$63,262	100.0%	Defined

Verition Fund Management LLC

$48,928

0.39%

33,060

Tower Research Capital LLC (TRC)

$41,089

0.33%

27,763

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	27,763	$41,089	100.0%	Defined

JANE STREET GROUP, LLC

$39,516

0.32%

26,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	26,700	$39,516	100.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$38,182

0.31%

25,799

ACADIAN ASSET MANAGEMENT LLC

$37,082

0.30%

25,056

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	25,056	$37,082	100.0%	Defined

SIMPLEX TRADING, LLC

$31,716

0.25%

21,430

TWO SIGMA INVESTMENTS, LP

$24,864

0.20%

16,800

JANE STREET GROUP, LLC

$22,792

0.18%

15,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	15,400	$22,792	100.0%	Defined

CITADEL ADVISORS LLC

$21,904

0.18%

14,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	14,800	$21,904	100.0%	Defined

EWA, LLC

$19,604

0.16%

13,246

SBI Securities Co., Ltd.

$7,438

0.06%

5,026

RHUMBLINE ADVISERS

$5,936

0.05%

4,011

OSAIC HOLDINGS, INC.

$1,161

0.01%

785

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	785	$1,161	100.0%	Defined

Caitong International Asset Management Co., Ltd

$14

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	419,761	$1,145,947	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dymon Asia Capital (HK) Ltd	79,915	$218,167	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	17,492	$47,753	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	14,286	$39,000	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES INC	48	$131	100.0%	Defined

Key facts CIK 1758530 CUSIP 83356Q108 13F (30d) 10 filings 10 filers Visit website Investor relations