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Public ownership evidence

So-Young International Inc. American Depository Shares (SY) Ownership Disclosures

Read SY insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-07T14:03:26.246Z

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2026-09-082026-09-07Li GefeiA17,627Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-09-07 and its public availability date is 2026-09-08. Subtracting those calendar dates gives 1 day of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code A: a award. An award is an acquisition but is not an open-market purchase. A purchase-following rule must not count it as code P.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001104659-26-105629 ↗SEC 0001104659-26-105629 ↗13F 0001677044-26-000006 ↗

Recent Form 4 activity

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2026-09-082026-09-07Li GefeiA17,627Not reported
2026-09-082026-09-07Li GefeiA10,576Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 29 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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OSAIC HOLDINGS, INC.2026-06-302026-08-15785$1,162None
JANE STREET GROUP, LLC2026-06-302026-08-1516,024$23,716None
JANE STREET GROUP, LLC2026-06-302026-08-1595,977$142,046None
JANE STREET GROUP, LLC2026-06-302026-08-1515,400$22,792Put
JANE STREET GROUP, LLC2026-06-302026-08-1526,700$39,516Call
HRT FINANCIAL LP2026-06-302026-08-1577,754$115,000None
Verition Fund Management LLC2026-06-302026-08-1533,060$48,929None
Verition Fund Management LLC2026-06-302026-08-1533,060$48,929None
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-1576,800$113,664Call
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-1598,500$145,780Put
CITADEL ADVISORS LLC2026-06-302026-08-1514,800$21,904Put
CITADEL ADVISORS LLC2026-06-302026-08-1542,745$63,263None
Invesco Ltd.2026-06-302026-08-1550,277$74,410None
NOMURA HOLDINGS INC2026-06-302026-08-15107,200$158,656None
TWO SIGMA INVESTMENTS, LP2026-06-302026-08-1516,800$24,864None
BARCLAYS PLC2026-06-302026-08-151,129,166$1,671,166None
UBS Group AG2026-06-302026-08-14446,523$660,854None
UBS Group AG2026-06-302026-08-1430$44None
MARSHALL WACE, LLP2026-06-302026-08-1454,061$80,010None
BNP PARIBAS FINANCIAL MARKETS2026-06-302026-08-1425,799$38,183None
ACADIAN ASSET MANAGEMENT LLC2026-06-302026-08-1425,056$36,000None
MORGAN STANLEY2026-06-302026-08-141,231,737$1,822,971None
SIMPLEX TRADING, LLC2026-06-302026-08-1321,430$31,716None
GEODE CAPITAL MANAGEMENT, LLC2026-06-302026-08-1355,857$82,668None
RHUMBLINE ADVISERS2026-06-302026-08-134,011$5,936None
Tower Research Capital LLC (TRC)2026-06-302026-08-1227,763$41,089None
DIMENSIONAL FUND ADVISORS LP2026-06-302026-08-1215,390$22,777None
DIMENSIONAL FUND ADVISORS LP2026-06-302026-08-123,176$4,700None
DIMENSIONAL FUND ADVISORS LP2026-06-302026-08-12208,104$307,994None

90-day public filing window, up to 50 source positions.

OSAIC HOLDINGS, INC. ↗JANE STREET GROUP, LLC ↗JANE STREET GROUP, LLC ↗JANE STREET GROUP, LLC ↗JANE STREET GROUP, LLC ↗HRT FINANCIAL LP ↗Verition Fund Management LLC ↗Verition Fund Management LLC ↗SUSQUEHANNA INTERNATIONAL GROUP, LLP ↗SUSQUEHANNA INTERNATIONAL GROUP, LLP ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.