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AMBI.WS

Ambipar Emergency Response Warrants
AMBI.WS

Delisted

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

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15 hedge funds and large institutions have $1.19M invested in Ambipar Emergency Response Warrants in 2024 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 0 increasing their positions, 3 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

0.92% less ownership

Funds ownership: 7.84% → 6.92% (-0.92%)

25% less funds holding

Funds holding: 20 → 15 (-5)

45% less capital invested

Capital invested by funds: $2.17M → $1.19M (-$977K)

83% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 6

100% less repeat investments, than reductions

Existing positions increased: 0 | Existing positions reduced: 3

Holders
15
Holders Change
-5
Holders Change %
-25%
% of All Funds
0.2%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
1
Increased
–
Reduced
3
Closed
6
Calls
$8K
Puts
–
Net Calls
+$8K
Net Calls Change
-$1K

Top Buyers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
+$41

Top Sellers

Rank Fund Capital Flow
1
BBP
Banco BTG Pactual
Brazil
-$704K
2
SGDR
SPX Gestao de Recursos
Brazil
-$45.2K
3
Walleye Capital
Walleye Capital
New York
-$18.1K
4
HF
HRT Financial
New York
-$14.3K
5
Walleye Trading
Walleye Trading
New York
-$8.88K
Name Holding Trade Value Shares
Change 		Change in
Stake
SGDR
1
SPX Gestao de Recursos
Brazil
$462K -$45.2K -135,743 -8%
SCGDR
2
Sharp Capital Gestora de Recursos
Brazil
$312K – – –
HCM
3
Highbridge Capital Management
New York
$73.6K – – –
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$58K – – –
MCM
5
Moore Capital Management
New York
$58K – – –
CS
6
Clear Street
New York
$50.3K – – –
TCM
7
Tenor Capital Management
New York
$43.5K – – –
LA
8
Linden Advisors
New York
$39K – – –
HIM
9
HGC Investment Management
Ontario, Canada
$38K – – –
VI
10
Vestcor Inc
New Brunswick, Canada
$23K – – –
TCA
11
Taconic Capital Advisors
New York
$11.6K – – –
HF
12
HRT Financial
New York
$10K -$14.3K -43,004 -55%
OAC
13
OMERS Administration Corp
Ontario, Canada
$5.86K – – –
WAM
14
Wolverine Asset Management
Illinois
$3.99K -$416 -1,248 -8%
UBS Group
15
UBS Group
Switzerland
$36 +$41 +124 New
TRCT
16
Tower Research Capital (TRC)
New York
$8 – – –
BBP
17
Banco BTG Pactual
Brazil
– -$704K -120,000 Closed
CAC
18
Cowen and Company
New York
– -$32.5K -100,000 Closed
Walleye Capital
19
Walleye Capital
New York
– -$18.1K -55,693 Closed
Walleye Trading
20
Walleye Trading
New York
– -$8.88K -27,323 Closed
AA
21
AQR Arbitrage
Connecticut
– -$7.98K -24,556 Closed
PNC Financial Services Group
22
PNC Financial Services Group
Pennsylvania
– -$709 -2,180 Closed

AMBI.WS Hedge Fund Activity: Q4 2024 in Review

15 of the 7,597 institutional investors tracked by Wall St. Rank reported a position in Ambipar Emergency Response Warrants (AMBI.WS) for Q4 2024, worth a combined $1.19M — down 45% from $2.17M a quarter earlier.

Sellers outnumbered buyers: 6 funds closed out of AMBI.WS and 1 opened new positions — a net loss of 5 holders — while 3 trimmed existing stakes and 0 added.

The largest buyer was UBS Group, opening a new position worth an estimated $41. The largest seller was Banco BTG Pactual, exiting entirely with an estimated $704K sold.

  • 15 institutional investors held Ambipar Emergency Response Warrants (AMBI.WS) as of Q4 2024, down from 20 in Q3 2024.
  • Funds reported $1.19M of Ambipar Emergency Response Warrants stock for Q4 2024, down 45% quarter-over-quarter.
  • 1 fund opened new Ambipar Emergency Response Warrants positions in Q4 2024 and 6 closed out, a net change of -5 holders.
  • The largest Ambipar Emergency Response Warrants buyer in Q4 2024 was UBS Group, an estimated $41 added.
  • The largest Ambipar Emergency Response Warrants seller in Q4 2024 was Banco BTG Pactual, an estimated $704K sold.

Based on aggregated 13F filings for Q4 2024.