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YI · NASDAQ

$3.13−$0.005 (−0.16%)TodayMarket closed · Oct 20, 4:00 PM ET

Prev close $3.14

Who owns YI

Largest institutional holders, from their latest 13F filings

The 9 largest institutions hold 0.3% of YI’s shares.

First Pharmacia International0.2%
Citadel Advisors LLC0.0%
Renaissance Technologies LLC0.0%
UBS Financial Services, Inc.0.0%
Next 5 largest institutions0.0%
All other shareholders99.7%

Top institutional holders of YI
Holder	Shares	% of shares	Change, last filing	Filed
First Pharmacia International	434.53K	0.25%	+0	Mar 31, 2026
Citadel Advisors LLC	17.34K	0.01%	+17.34K	Jun 30, 2026
Renaissance Technologies LLC	12.91K	0.01%	−100	Jun 30, 2026
UBS Financial Services, Inc.	1.60K	0.00%	+1.50K	Jun 30, 2026
Geode Capital Management, L.L.C.	901	0.00%	−1.54K	Jun 30, 2026
SBI Securities Co., Ltd.	149	0.00%	+5	Jun 30, 2026
Morgan Stanley & Co. LLC	113	0.00%	+0	Jun 30, 2026
J.P. Morgan Securities LLC	47	0.00%	−5	Jun 30, 2026
Rhumbline Advisers Ltd. Partnership	22	0.00%	+0	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of YI
Holder	Shares	% of shares	Change, last filing	Filed
Fidelity NASDAQ Composite Index Fund	2.36K	0.00%	+1.46K	Jul 31, 2026
CC&L Global Market Neutral II Fund	97	0.00%	+97	Mar 31, 2025

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $369.14K (36 trades) of YI on the open market, with no buys.

Latest YI insider transactions
Insider	Date	Type	Shares	Price	Value
Chen Yang Luke	Sep 28, 2026	Sale	38.12K	$0.18	$6.86K
Chen Yang Luke	Sep 23, 2026	Sale	44.00K	$0.18	$7.92K
Chen Yang Luke	Sep 23, 2026	Sale	44.00K	$0.18	$7.92K
Chen Yang Luke	Jun 15, 2026	Sale	44.00K	$0.23	$10.12K
Chen Yang Luke	Jun 15, 2026	Sale	44.00K	$0.23	$10.12K
Chen Yang Luke	Jun 15, 2026	Sale	44.00K	$0.23	$10.12K
Sun Jian David	Jun 15, 2026	Sale	58.80K	$0.23	$13.52K
Chen Yang Luke	Jun 12, 2026	Sale	49.92K	$0.23	$11.48K
Chen Yang Luke	Jun 12, 2026	Sale	49.92K	$0.23	$11.48K
Chen Yang Luke	Jun 12, 2026	Sale	49.92K	$0.23	$11.48K

Short interest

Settled Sep 30, 2026

Shares short: 7.01K
Days to cover: 1.00
% of shares outstanding: 0.00%
Average daily volume: 19.90K
Change since last report: −34.7%

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