Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in AMBP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Arini Capital Management Ltd | 20.9M | $99.1M | +85.8% | 3.497% | 6.79% |
| 2 | CANYON CAPITAL ADVISORS LLC | 10.4M | $49.2M | -9.9% | 1.738% | 5.58% |
| 3 | GOLDMAN SACHS GROUP INC | 8.7M | $41.1M | +19.0% | 1.451% | 0.00% |
| 4 | BlackRock, Inc. | 8.3M | $39.2M | +7.0% | 1.385% | 0.00% |
| 5 | PLATINUM EQUITY, LLC | 5.3M | $25.2M | 0.0% | 0.889% | 78.62% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 5.1M | $24.3M | +10.8% | 0.860% | 0.00% |
| 7 | Diameter Capital Partners LP | 5.0M | $23.8M | +12.6% | 0.842% | 0.96% |
| 8 | PRIVATE MANAGEMENT GROUP INC | 5.0M | $23.5M | -1.0% | 0.831% | 0.62% |
| 9 | Empyrean Capital Partners, LP | 4.0M | $19.0M | 0.0% | 0.669% | 0.63% |
| 10 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 3.2M | $15.2M | +3.4% | 0.538% | 0.02% |
| 11 | STATE STREET CORP | 2.6M | $12.4M | +3.6% | 0.438% | 0.00% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $10.1M | +12.6% | 0.355% | 0.00% |
| 13 | FEDERATED HERMES, INC. | 2.1M | $10.0M | +14226.6% | 0.353% | 0.01% |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 2.1M | $9.8M | -28.2% | 0.347% | 0.01% |
| 15 | Gilman Hill Asset Management, LLC | 2.0M | $9.7M | +2.1% | 0.341% | 1.32% |
| 16 | MORGAN STANLEY | 1.9M | $8.9M | +8.4% | 0.315% | 0.00% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9M | $8.8M | +0.5% | 0.312% | 0.00% |
| 18 | Nuveen, LLC | 1.7M | $8.0M | -2.6% | 0.283% | 0.00% |
| 19 | JACOBS LEVY EQUITY MANAGEMENT, INC | 1.6M | $7.5M | -17.0% | 0.266% | 0.03% |
| 20 | GAMCO INVESTORS, INC. ET AL | 1.5M | $6.9M | +1.9% | 0.243% | 0.06% |
| 21 | NORTHERN TRUST CORP | 1.4M | $6.6M | +4.6% | 0.233% | 0.00% |
| 22 | UBS Group AG | 1.4M | $6.5M | -7.6% | 0.230% | 0.00% |
| 23 | CITADEL ADVISORS LLC | 1.3M | $6.1M | +159.9% | 0.216% | 0.00% |
| 24 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.2M | $5.7M | -62.9% | 0.203% | 0.00% |
| 25 | MILLENNIUM MANAGEMENT LLC | 1.2M | $5.5M | -14.8% | 0.194% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AMBP — a direct measure of their conviction.
Filings activity in AMBP during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new AMBP position in Q2 2026
Institutions that fully closed their AMBP position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 230 | +5.0% | 21.18% | +0.70 pp | $595M | +22% |
| Q1 2026 | 219 | +9.0% | 20.48% | 0.38 pp | $489M | 3.5% |
| Q4 2025 | 201 | 1.0% | 20.86% | +1.77 pp | $507M | +13% |
| Q3 2025 | 203 | +5.2% | 19.09% | +0.49 pp | $449M | 3.5% |
| Q2 2025 | 193 | +12% | 18.60% | 0.25 pp | $465M | +39% |
| Q1 2025 | 172 | 11% | 18.85% | +0.40 pp | $336M | +2.7% |
| Q4 2024 | 193 | +1.0% | 18.45% | 0.65 pp | $327M | 19% |
| Q3 2024 | 191 | — | 19.10% | — | $405M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying AMBP stock.
Based on Q2 2026 13F filings, institutional ownership of Ardagh Metal Packaging S.A. stands at 21.2%, held across 230 reporting institutions.
Arini Capital Management Ltd is the largest reported institutional holder of AMBP, with approximately 20,899,209 shares worth $0.10B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of AMBP, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for AMBP is 69 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
35 institutions opened new positions in AMBP during Q2 2026, while 26 fully exited. 152 added to existing positions and 36 trimmed.
AMBP institutional ownership rose by 0.70 percentage points quarter-over-quarter, with a net change of +11 holders.
The top 10 institutions account for 60.5% of all reported 13F value in AMBP, and the top 25 account for 81.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Ardagh Metal Packaging S.A. (AMBP) Institutional Ownership