STG: Sunlands Technology Group insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-10-28 | 13G amendment | AREO HOLDINGS LTD | 12.30% | SEC |
Institutional ownership (Q2 2026)
7 institutions reported holding $6.60M of Sunlands Technology Group on Form 13F (6 the quarter before). 2 opened a new position and 1 sold out. Shares held by institutions: new.
| Largest holders | Shares | Value |
|---|---|---|
| Primavera Capital Management Ltd | 1,652,778 | $6.48M |
| CITADEL ADVISORS LLC | 29,937 | $117K |
| UBS Group AG | 1,052 | $4K |
| MORGAN STANLEY | 532 | $2K |
| SBI Securities Co., Ltd. | 110 | $431 |
| HRT FINANCIAL LP | 45 | $176 |
| RHUMBLINE ADVISERS | 41 | $160 |
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