YI
111, Inc.Company with tickers: YI
CIK
1738906
CUSIP
68247Q201
Shares Outstanding
5,196,964
13F Activity (30d)
7 filings
5 filers
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.
Holders: 8
Total Value: $117,174
Total Shares: 17,972
Institutional Ownership Trend
Holder Concentration
Across 8 13F filers · Δ vs Dec 31, 2025Top Holder
72.4%
+22.0 pts
Top 5
99.0%
−0.4 pts
Top 10
100.0%
0.0 pts
HHI
5,824
Highly concentrated
+2,364
Quarterly Activity
vs Dec 31, 2025
New
1
Increased
2
Decreased
3
Sold Out
2
Unchanged
2
Holder count:
-1
Institutional value:
-27.7%
Shares held:
-71.6%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | +300 | 13,014 | |
| Mega JPMORGAN CHASE & CO | +10 | 52 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | −203 | 100 | |
| Small Serenus Wealth Advisors, LLC | −64 | 4,320 | |
| Mega MORGAN STANLEY | −27 | 113 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega CITIGROUP INC | 207 | $1,349 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 31,947 | $81,784 | |
| Micro Parafestas Anastasios | 13,616 | $34,856 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | $84,851 | 72.41% | 13,014 | Shares | Sole | 2026-05-14 | ||||
| Small Serenus Wealth Advisors, LLC | $28,166 | 24.04% | 4,320 | Shares | Sole | 2026-04-27 | ||||
| Mega CITIGROUP INC | $1,349 | 1.15% | 207 | Shares | Defined | 2026-05-11 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $938 | 0.80% | 144 | Shares | Defined | 2026-04-28 | ||||
| Mega MORGAN STANLEY | $736 | 0.63% | 113 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $652 | 0.56% | 100 | Shares | Defined | 2026-05-05 | ||||
| Mega JPMORGAN CHASE & CO | $339 | 0.29% | 52 | Shares | Defined | 2026-05-13 | ||||
| Mega RHUMBLINE ADVISERS | $143 | 0.12% | 22 | Shares | Sole | 2026-05-12 | ||||
| No holders match your search. | ||||||||||