WEIBO Corp (WB) research
WEIBO Corp- Sector
- Communication Services
- Industry
- Internet Content & Information
- Last price
- $6.33
- As of
WEIBO Corp (WB): 4 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 6-K filed 2026-08-19.
As of . Source: SEC EDGAR filings for WB. Method and limitations.
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Preview the WB dossierActive signals for WB
- highINSTITUTIONAL_SURGE
MILLENNIUM MANAGEMENT LLC added +2649% to WB (2026Q2)
- highINSTITUTIONAL_EXIT
CITADEL ADVISORS LLC cut 88% of WB (2026Q2)
- highINSTITUTIONAL_EXIT
TWO SIGMA INVESTMENTS, LP cut 58% of WB (2026Q2)
- highINSTITUTIONAL_SURGE
TWO SIGMA INVESTMENTS, LP added +50% to WB (2026Q2)
- highINSTITUTIONAL_EXIT
MILLENNIUM MANAGEMENT LLC cut 90% of WB (2026Q1)
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Every signal on WB, as it fires
You are seeing 5 of 9 signals recorded on WB since 2026-05-30.
The five above landed across 2 days. The other 4 were recorded on 2 other days. 7 of the 9 are institutional flow rows, which arrive in batches on filing days.
No fixed schedule: it goes out when the data has something in it. Unsubscribe anytime. We never sell your data.
Largest reported share positions in WB (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| MILLENNIUM MANAGEMENT LLCCUSIP 948596AJ0 · 2026Q2 | $35M | 0.01% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP 948596AJ0 · 2026Q2 | $30M | 0.02% | , |
| D. E. Shaw & Co., Inc.CUSIP 948596101 · 2026Q2 | $4.7M | 0.00% | , |
| MILLENNIUM MANAGEMENT LLCCUSIP 948596101 · 2026Q2 | $2.1M | 0.00% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP 948596101 · 2026Q2 | $1.6M | 0.00% | , |
| CITADEL ADVISORS LLCCUSIP 948596101 · 2026Q2 | $100K | 0.00% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, WB
- 6-KSEC EDGAR ↗
- 6-KSEC EDGAR ↗
- 6-KSEC EDGAR ↗
- 6-KSEC EDGAR ↗
- 6-KSEC EDGAR ↗
- 6-KSEC EDGAR ↗
- 6-KSEC EDGAR ↗
- 20-FSEC EDGAR ↗
- 6-KSEC EDGAR ↗
- 6-KSEC EDGAR ↗
WB against its peers
WB's operating margin of 26.5% ranks in the 97th percentile of 17 Internet Content & Information sub-industry peers, fiscal period ending 2025-12-31.
| Metric | WB | Peer median | Percentile | n |
|---|---|---|---|---|
| Revenue FY | 1.8B USD | 956M USD | 74 | 16 |
| Revenue YoY | 0.1% | 14.1% | 39 | 8 |
| Gross margin | n/a | 50.2% | n/a | 8 |
| Operating margin | 26.5% | -4.1% | 97 | 17 |
| Net margin | 25.6% | -4.3% | 92 | 17 |
| Return on equity | 11.5% | -2.2% | 92 | 17 |
Peers (17): OPRA, GENI, WBTN, STUB, RUM, ATHM, DJT, IAC, JOYY, BILI, TRVG, FVRR, SNAP, ZH, ANGI, SLE, SSTK. Left out: MNSKY (no annual filing), MEIUF (no annual filing), SMGSY (no annual filing), SKLTF (no annual filing), RMVEY (no annual filing), SBBTF (no annual filing), ATDRF (no annual filing), RPGRF (no annual filing). Fiscal period ending 2025-12-31. Every figure is one full fiscal year read from one annual filing (WB: 20-F), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.
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