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Diameter Capital Partners’s Ardagh Metal Packaging AMBP Stock Holding History

Diameter Capital Partners’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
Q1 		$18.1M Sell
4,467,420
-908,946
-17% -$4.03M 1.69% 16
2025
Q4 		$22M Buy
5,376,366
+286,553
+6% +$1.09M 2.01% 12
2025
Q3 		$20.3M Buy
5,089,813
+3,215,692
+172% +$12.8M 1.25% 16
2025
Q2 		$8.02M Sell
1,874,121
-2,750,000
-59% -$9.97M 0.92% 17
2025
Q1 		$14M Buy
4,624,121
+250,000
+6% +$702K 1.63% 14
2024
Q4 		$13.2M Buy
4,374,121
+400,000
+10% +$1.44M 1.94% 19
2024
Q3 		$15M Sell
3,974,121
-916,062
-19% -$3.24M 1.22% 14
2024
Q2 		$16.6M Hold
4,890,183
– – 1.96% 13
2024
Q1 		$16.8M Buy
4,890,183
+980,300
+25% +$3.51M 1.72% 12
2023
Q4 		$15M Buy
3,909,883
+2,257,762
+137% +$7.86M 1.81% 12
2023
Q3 		$5.17M Sell
1,652,121
-97,353
-6% -$342K 1.14% 19
2023
Q2 		$6.58M Hold
1,749,474
– – 0.62% 17
2023
Q1 		$7.14M Sell
1,749,474
-632,000
-27% -$3.1M 1.19% 10
2022
Q4 		$11.5M Sell
2,381,474
-3,423,742
-59% -$15.7M 1.78% 18
2022
Q3 		$28.1M Buy
5,805,216
+132,599
+2% +$808K 3.64% 11
2022
Q2 		$34.6M Buy
5,672,617
+1,166,050
+26% +$7.88M 1.76% 13
2022
Q1 		$36.6M Sell
4,506,567
-519,485
-10% -$4.5M 1.71% 13
2021
Q4 		$45.4M Buy
5,026,052
+2,026,052
+68% +$19.3M 2.71% 10
2021
Q3 		$29.9M Buy
+3,000,000
New +$32.8M 2.7% 11

Other funds holding AMBP

CCA
Canyon Capital Advisors Dallas, Texas $772M AUM 32.81% 1-Year Est. Return
ACM
Arini Captial Management London, United Kingdom $634M AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
PE
Platinum Equity Beverly Hills, California $32.3M AUM 17.64% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
WAM
Weiss Asset Management Boston, Massachusetts $5.91B AUM 42.42% 1-Year Est. Return
ECP
Empyrean Capital Partners Los Angeles, California $3.07B AUM 34.24% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Diameter Capital Partners's AMBP Position: Q1 2026 in Review

Diameter Capital Partners reduced its Ardagh Metal Packaging (AMBP) stake by 17% in Q1 2026, selling an estimated $4.03M and leaving 4,467,420 shares worth $18.1M. The position accounts for 1.69% of the portfolio, ranked #16.

Diameter Capital Partners first reported a position in AMBP in Q3 2021 and has held it in 19 quarters since. The position peaked at $45.4M in Q4 2021. 220 funds tracked by Wall St. Rank hold AMBP as of Q1 2026.

  • Diameter Capital Partners held 4,467,420 shares of Ardagh Metal Packaging worth $18.1M as of Q1 2026.
  • Diameter Capital Partners sold 908,946 Ardagh Metal Packaging shares in Q1 2026, an estimated $4.03M.
  • Ardagh Metal Packaging made up 1.69% of Diameter Capital Partners's portfolio in Q1 2026, its #16 holding.
  • Diameter Capital Partners first reported a position in Ardagh Metal Packaging in Q3 2021 and has held it in 19 quarters since.
  • Diameter Capital Partners's Ardagh Metal Packaging position peaked at $45.4M in Q4 2021.
  • 220 funds tracked by Wall St. Rank held Ardagh Metal Packaging as of Q1 2026.

Based on Diameter Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.