AMBR
name pending profile ingest
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 4 | -5 | 50.51K | $75,258 | — | −5 |
| Q1 2026 | 9 | -1 | 73.22K | $172,806 | +1 | −2 |
| Q4 2025 | 10 | 0 | 229.15K | $396,428 | — | — |
| Q3 2025 | 6 | +3 | 268.31K | $898,828 | +3 | — |
| Q2 2025 | 2 | 0 | 21.09K | $232,678 | +1 | −1 |
| Q1 2025 | 1 | -1 | 16.43K | $196,867 | +1 | −2 |
| Q4 2024 | 2 | +1 | 34.67K | $324,521 | +1 | — |
| Q3 2024 | 1 | 0 | 16.03K | $52,909 | — | — |
| Q2 2024 | 1 | — | 29.73K | $37,757 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | UBS Group AG | 46.52K | +73.7% | $69,315 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 2 | BlackRock ✦ (passive) | 1.84K | 0.0% | $2,749 | 0.0% | Held | 5 | SEC ↗ |
| 3 | Morgan Stanley ✦ | 1.12K | +1430.1% | $1,665 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | Rhumbline Advisers | 1.03K | 0.0% | $1,529 | 0.0% | Held | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Citadel Advisors | $45,996 | was 0.0% |
| Susquehanna International… | $27,742 | was 0.0% |
| Two Sigma Investments | $27,145 | was 0.0% |
| Daiwa Securities Group Inc. | $944 | was 0.0% |
| Simplex Trading, Llc | $814 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 14 holders, 228.70K shares, $539,730 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.