Ardagh Metal Packaging
AMBP
203 hedge funds and large institutions have $450M invested in Ardagh Metal Packaging in 2025 Q3 according to their latest regulatory filings, with 39 funds opening new positions, 66 increasing their positions, 57 reducing their positions, and 31 closing their positions.
1,227% more call options, than puts
Call options by funds: $5.4M | Put options by funds: $407K
26% more first-time investments, than exits
New positions opened: 39 | Existing positions closed: 31
20% more funds holding in top 10
Funds holding in top 10: 5 → 6 (+1)
16% more repeat investments, than reductions
Existing positions increased: 66 | Existing positions reduced: 57
3% more funds holding
Funds holding: 197 → 203 (+6)
0.25% more ownership
Funds ownership: 18.63% → 18.88% (+0.25%)
6% less capital invested
Capital invested by funds: $477M → $450M (-$26.4M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCP
Diameter Capital Partners
New York
|
+$12.8M |
| 2 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
+$8.05M |
| 3 |
Barclays
London,
United Kingdom
|
+$5.17M |
| 4 |
MAC
Monarch Alternative Capital
New York
|
+$3.88M |
| 5 |
AG
Algert Global
San Francisco,
California
|
+$2.36M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$8.69M |
| 2 |
KSCM
King Street Capital Management
New York
|
-$7.49M |
| 3 |
SC
Shellback Capital
Boston,
Massachusetts
|
-$4.07M |
| 4 |
CSS
Cubist Systematic Strategies
Stamford,
Connecticut
|
-$2.66M |
| 5 |
Walleye Capital
New York
|
-$1.93M |
AMBP Hedge Fund Activity: Q3 2025 in Review
203 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Ardagh Metal Packaging (AMBP) for Q3 2025, worth a combined $450M — down 5.5% from $477M a quarter earlier.
Buyers outnumbered sellers: 39 funds opened new AMBP positions and 31 closed out — a net gain of 8 holders — while 66 added to existing stakes and 57 trimmed.
The largest buyer was Diameter Capital Partners, adding an estimated $12.8M. The largest seller was Millennium Management, cutting an estimated $8.69M.
- 203 institutional investors held Ardagh Metal Packaging (AMBP) as of Q3 2025, up from 197 in Q2 2025.
- Funds reported $450M of Ardagh Metal Packaging stock for Q3 2025, down 5.5% quarter-over-quarter.
- 39 funds opened new Ardagh Metal Packaging positions in Q3 2025 and 31 closed out, a net change of +8 holders.
- The largest Ardagh Metal Packaging buyer in Q3 2025 was Diameter Capital Partners, an estimated $12.8M added.
- The largest Ardagh Metal Packaging seller in Q3 2025 was Millennium Management, an estimated $8.69M sold.
Based on aggregated 13F filings for Q3 2025.