MPM
AMBP icon

Mountaineer Partners Management’s Ardagh Metal Packaging AMBP Stock Holding History

Mountaineer Partners Management’s Portfolio AMBP Stock Details AMBP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$8.16M Sell
1,722,234
-155,848
-8% -$640K 5.94% 10
2026
Q1 		$7.61M Buy
1,878,082
+408,602
+28% +$1.81M 3.78% 14
2025
Q4 		$6.02M Sell
1,469,480
-69,004
-4% -$262K 3.37% 13
2025
Q3 		$6.14M Hold
1,538,484
– – 3.57% 13
2025
Q2 		$6.58M Buy
1,538,484
+480,764
+45% +$1.74M 4.35% 14
2025
Q1 		$3.19M Hold
1,057,720
– – 3.06% 13
2024
Q4 		$3.18M Buy
+1,057,720
New +$3.81M 2.33% 16
2022
Q1 		– Sell
-1,093,383
Closed -$9.87M – 16
2021
Q4 		$9.87M Buy
1,093,383
+39,894
+4% +$380K 5.37% 12
2021
Q3 		$10.5M Buy
+1,053,489
New +$11.5M 6.85% 7

Other funds holding AMBP

ACM
Arini Captial Management London, United Kingdom $975M AUM
CCA
Canyon Capital Advisors Dallas, Texas $882M AUM 62.77% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PE
Platinum Equity Beverly Hills, California $32M AUM 12.42% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
DCP
Diameter Capital Partners New York $1.24B AUM 137.67% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
ECP
Empyrean Capital Partners Los Angeles, California $3.03B AUM 47.81% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Mountaineer Partners Management's AMBP Position: Q2 2026 in Review

Mountaineer Partners Management reduced its Ardagh Metal Packaging (AMBP) stake by 8.3% in Q2 2026, selling an estimated $640K and leaving 1,722,234 shares worth $8.16M. The position accounts for 5.94% of the portfolio, ranked #10.

Mountaineer Partners Management first reported a position in AMBP in Q3 2021 and has held it in 9 quarters since. The position peaked at $10.5M in Q3 2021. 230 funds tracked by Wall St. Rank hold AMBP as of Q2 2026.

  • Mountaineer Partners Management held 1,722,234 shares of Ardagh Metal Packaging worth $8.16M as of Q2 2026.
  • Mountaineer Partners Management sold 155,848 Ardagh Metal Packaging shares in Q2 2026, an estimated $640K.
  • Ardagh Metal Packaging made up 5.94% of Mountaineer Partners Management's portfolio in Q2 2026, its #10 holding.
  • Mountaineer Partners Management first reported a position in Ardagh Metal Packaging in Q3 2021 and has held it in 9 quarters since.
  • Mountaineer Partners Management's Ardagh Metal Packaging position peaked at $10.5M in Q3 2021.
  • 230 funds tracked by Wall St. Rank held Ardagh Metal Packaging as of Q2 2026.

Based on Mountaineer Partners Management's 13F filing for Q2 2026, filed 13 Aug 2026.