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AMBI

Ambipar Emergency Response

Delisted

AMBI was delisted on the 28th of October, 2025.

5 hedge funds and large institutions have $142K invested in Ambipar Emergency Response in 2025 Q3 according to their latest regulatory filings, with 2 funds opening new positions, 0 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more first-time investments, than exits

New positions opened: 2 | Existing positions closed: 1

25% more funds holding

Funds holding: 45 (+1)

2.62% less ownership

Funds ownership: 3.73%1.1% (-2.6%)

95% less capital invested

Capital invested by funds: $3.03M → $142K (-$2.89M)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

100% less repeat investments, than reductions

Existing positions increased: 0 | Existing positions reduced: 2

Holders
5
Holders Change
+1
Holders Change %
+25%
% of All Funds
0.07%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
2
Increased
Reduced
2
Closed
1
Calls
Puts
Net Calls
Net Calls Change

AMBI Hedge Fund Activity: Q3 2025 in Review

5 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Ambipar Emergency Response (AMBI) for Q3 2025, worth a combined $142K — down 95% from $3.03M a quarter earlier.

Buyers outnumbered sellers: 2 funds opened new AMBI positions and 1 closed out — a net gain of 1 holder — while 0 added to existing stakes and 2 trimmed.

The largest buyer was Turim 21 Investimentos, opening a new position worth an estimated $484K. The largest seller was Constellation Investimentos e Participacoes, exiting entirely with an estimated $2.87M sold.

  • 5 institutional investors held Ambipar Emergency Response (AMBI) as of Q3 2025, up from 4 in Q2 2025.
  • Funds reported $142K of Ambipar Emergency Response stock for Q3 2025, down 95% quarter-over-quarter.
  • 2 funds opened new Ambipar Emergency Response positions in Q3 2025 and 1 closed out, a net change of +1 holder.
  • The largest Ambipar Emergency Response buyer in Q3 2025 was Turim 21 Investimentos, an estimated $484K added.
  • The largest Ambipar Emergency Response seller in Q3 2025 was Constellation Investimentos e Participacoes, an estimated $2.87M sold.

Based on aggregated 13F filings for Q3 2025.