Zhihu Inc.
ZHNYSEIndustrials · Services-Business Services, NEC · E9 · SEC filings ↗ · Compare ⊕
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SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Plus Channel LtdActivist (13D)Dec 29, 2025
- Fil LtdPassive (13G)Nov 5, 2025
- Innovation Works Development Fund, L.P.Passive (13G)Feb 14, 2025
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 1.4M | 7.4 | -10.4% |
| Apr 30, 2026 | 1.6M | 4.9 | +19.0% |
| Apr 15, 2026 | 1.3M | 2.8 | +22.7% |
| Mar 31, 2026 | 1.1M | 1.3 | -5.1% |
| Mar 13, 2026 | 1.1M | 3.8 | +19.9% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Recent SEC filings
All filings ↗- 6-KFORM 6-KMay 18, 2026
- 6-KFORM 6-KMay 11, 2026
- 6-KFORM 6-KMay 7, 2026
- 6-KFORM 6-KMay 4, 2026
- 6-KFORM 6-KApr 27, 2026
- 4OWNERSHIP DOCUMENTApr 21, 2026
- 6-KFORM 6-KApr 20, 2026
- 6-KFORM 6-KApr 17, 2026
- 20-FApr 17, 2026
- 6-KFORM 6-KApr 16, 2026
- 6-KFORM 6-KApr 13, 2026
- 6-KFORM 6-KApr 8, 2026
- 3OWNERSHIP DOCUMENTApr 6, 2026
- 6-KFORM 6-KMar 25, 2026
- 3OWNERSHIP DOCUMENTMar 18, 2026
Event-driven situations (2)
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