Ambipar Emergency Response
AMBIQ- Industry
- Hazardous Waste Management
- SEC CIK
- 0001937441
No open-market purchases or sales by Ambipar Emergency Response insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −1 vs. previous quarter
- 0
- 13F valueReported value at the end of Q2 2026
- $0
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding AMBIQ, Q2 2026
No superinvestor reported holding AMBIQ at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Ambipar Emergency Response insiders from Form 4, newest first.
No open-market purchases or sales by Ambipar Emergency Response insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in Ambipar Emergency Response at the end of Q2 2026; share changes are against Q1 2026.
No institution reported holding AMBIQ in 13F filings for Q2 2026.
Holders of 5% or more of AMBIQ
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ambipar Emergency Response.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Riva Ridge Capital Management LP | 13G | 7.10%1.24M shares | New | Nov 5, 20251 filing | Nov 5, 2025 | SEC |