$YI

$2.97 -$0.03 (1.0%) Close

$YI Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 174.0M shares outstanding

Who owns YI?

By type of holder

Institutions 0.0% Insiders 0.0% Everyone else 100.0%

Concentration Top 10 holders own 42.7%

Junling Liu 21.7% · Gang Yu 21.0%

Institutional ownership

0.0%

0.0 pts vs last qtr

Institutional holders

0 vs last qtr

Net shares bought

+18.5K

by institutions in Q2 2026

New / sold out

1 / 1

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Citadel Advisors LLC NEW +17.3K
UBS Group AG +1.5K

Biggest sellers in Q2 2026

Citigroup Inc SOLD OUT −207
Renaissance Technologies LLC −100

Who is planning to sell?

Notices of proposed sale, last 12 months

$70.5K

1 notice from 1 person

Shares covered

14.9K

0.01% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Sun Jian David Director $70.5K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2019–FY2025

+6.3%

+1.03% a year

Each share's claim on the business

−6.0%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$40.9M vs $686M

over 7 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years52% Under 1 year48%

Quarterly turnover

53.3%

of institutional shares changed hands

Top 10 managers, median time held

1.3 years

Super Investors

Investment managers reporting YI on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
CA Citadel Advisors LLC	17.3K	0.01%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding17.3K (Q2'26) Change over 8 quarters+17.3K Share of the company0.010% Citadel Advisors LLC's full portfolio →
RT Renaissance Technologies LLC	12.9K	0.01%	−100 (−0.8%)	2025	0.0%
Shares held by quarter Peak holding13.0K (Q2'25) Change over 8 quarters+12.9K Share of the company0.010% Renaissance Technologies LLC's full portfolio →

Citadel Advisors LLC

17.3K

% of company

0.01%

Change vs last qtr

NEW

Held since

Q2 '26

Renaissance Technologies LLC

12.9K

% of company

0.01%

Change vs last qtr

−100 (−0.8%)

Held since

2025

7 more super investors behind a free account

See every manager holding 111 Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting YI on Form N-PORT; together they hold 0.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FN Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust	$7.77K	2.4K	0.00%	0.00%	August 31, 2026

Fidelity Nasdaq Composite Index Fund

Fidelity Concord Street Trust

Position value

$7.77K

% of company

0.00%

% of the fund

0.00%

As of

August 31, 2026

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
JL Junling Liu 5%+ holder 13D · 21.4%	37.8M	21.72%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company21.720% Disclosed stake13D · 21.4% View the 13D/G filing →
GY Gang Yu 5%+ holder 13D · 20.7%	36.5M	20.96%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company20.960% Disclosed stake13D · 20.7% View the 13D/G filing →

Junling Liu

5%+ holder13D · 21.4%

37.8M

% of company

21.72%

Change vs last qtr

—

Held since

—

Gang Yu

5%+ holder13D · 20.7%

36.5M

% of company

20.96%

Change vs last qtr

—

Held since

—

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