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AMBI

Ambipar Emergency Response
AMBI

Delisted

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

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5 hedge funds and large institutions have $5.73M invested in Ambipar Emergency Response in 2023 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

13% more capital invested

Capital invested by funds: $5.09M → $5.73M (+$644K)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

0.03% less ownership

Funds ownership: 4.54% → 4.51% (-0.03%)

29% less funds holding

Funds holding: 7 → 5 (-2)

67% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 3

Holders
5
Holders Change
-2
Holders Change %
-28.57%
% of All Funds
0.07%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
1
Increased
2
Reduced
–
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
SGDR
SPX Gestao de Recursos
Brazil
+$122K
2
CIEP
Constellation Investimentos e Participacoes
Brazil
+$113K
3
Northern Trust
Northern Trust
Illinois
+$96.3K

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$318K
2
Jane Street
Jane Street
New York
-$74.3K
3
UBS Group
UBS Group
Switzerland
-$318

AMBI Hedge Fund Activity: Q4 2023 in Review

5 of the 6,869 institutional investors tracked by Wall St. Rank reported a position in Ambipar Emergency Response (AMBI) for Q4 2023, worth a combined $5.73M — up 13% from $5.09M a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of AMBI and 1 opened new positions — a net loss of 2 holders — while 0 trimmed existing stakes and 2 added.

The largest buyer was SPX Gestao de Recursos, adding an estimated $122K. The largest seller was Millennium Management, exiting entirely with an estimated $318K sold.

  • 5 institutional investors held Ambipar Emergency Response (AMBI) as of Q4 2023, down from 7 in Q3 2023.
  • Funds reported $5.73M of Ambipar Emergency Response stock for Q4 2023, up 13% quarter-over-quarter.
  • 1 fund opened new Ambipar Emergency Response positions in Q4 2023 and 3 closed out, a net change of -2 holders.
  • The largest Ambipar Emergency Response buyer in Q4 2023 was SPX Gestao de Recursos, an estimated $122K added.
  • The largest Ambipar Emergency Response seller in Q4 2023 was Millennium Management, an estimated $318K sold.

Based on aggregated 13F filings for Q4 2023.