Aptorum Group
NIKI · NASDAQ
$1.83−$0.03 (−1.61%)TodayMarket closed ·
Prev close $1.86
Who owns NIKI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 45.4% of NIKI’s shares.
- Sheinerman Kira42.0%
- CGY Investments Ltd1.5%
- Jurchen Investment Corp1.0%
- Huen (Ian)0.4%
- Next 6 largest institutions0.5%
- All other shareholders54.6%
| Holder | Shares | % of shares |
|---|---|---|
| Sheinerman Kira | 1.52M | 41.97% |
| CGY Investments Ltd | 53.36K | 1.48% |
| Jurchen Investment Corp | 37.03K | 1.03% |
| Huen (Ian) | 13.77K | 0.38% |
| Philips (Laura A) | 6.02K | 0.17% |
| Jane Street Capital, L.L.C. | 5.85K | 0.16% |
| Citadel Advisors LLC | 2.45K | 0.07% |
| Wu Justin (Che Yuen) | 1.83K | 0.05% |
| Arner (Douglas Wayne) | 1.06K | 0.03% |
| Citi Investment Research (US) | 640 | 0.02% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of NIKI in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Sheinerman Kira | Award | 8.00K | — |
| Sheinerman Kira | Award | 8.00K | — |
| Philips Laura A | Award | 8.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 14.60K
- Days to cover
- 1.00
- % of shares outstanding
- 0.40%
- Average daily volume
- 46.78K
- Change since last report
- +11.4%
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