Security record
AMSC
American Superconductor Corporation · Industrials · Electrical Equipment & Parts
98Tracked holders
+4Δ holders
22.91MShares held
$950.26MReported value
+10New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +4.3% ·
share flow +5.3% ·
net new positions +4.1%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 98 | +4 | 22.91M | $950.26M | +10 | −6 |
| Q1 2026 | 97 | +2 | 21.85M | $738.85M | +12 | −10 |
| Q4 2025 | 95 | -1 | 24.00M | $691.45M | — | −1 |
| Q3 2025 | 19 | +1 | 15.15M | $899.55M | +1 | — |
| Q2 2025 | 15 | +1 | 11.40M | $418.12M | +1 | — |
| Q1 2025 | 11 | 0 | 4.33M | $78.61M | +1 | −1 |
| Q4 2024 | 11 | 0 | 5.01M | $123.30M | +2 | −2 |
| Q3 2024 | 10 | 0 | 4.09M | $96.55M | +2 | −2 |
| Q2 2024 | 10 | — | 4.75M | $111.12M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.10M | +2.8% | $170.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | Vanguard Capital Management Llc | 2.03M | -0.3% | $84.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | UBS Group AG | 1.43M | +138.2% | $59.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | UBS Group AG | 1.43M | +138.2% | $59.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | UBS Group AG | 1.43M | +138.2% | $59.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | UBS Group AG | 1.43M | +138.2% | $59.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 1.36M | +7.7% | $56.38M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 23 | Goldman Sachs Group ✦ | 1.29M | +82.4% | $53.72M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Goldman Sachs Group ✦ | 1.29M | +82.4% | $53.72M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Goldman Sachs Group ✦ | 1.29M | +82.4% | $53.72M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 1.24M | +6.3% | $51.62M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 1.24M | +6.3% | $51.62M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 28 | First Trust Advisors Lp | 1.17M | +50.1% | $48.50M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Baillie Gifford ✦ | 933.31K | -35.5% | $38.74M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 30 | Baillie Gifford ✦ | 933.31K | -35.5% | $38.74M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 31 | Baillie Gifford ✦ | 933.31K | -35.5% | $38.74M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 32 | Baillie Gifford ✦ | 933.31K | -35.5% | $38.74M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 33 | Legal & General Group Plc | 756.86K | +42.8% | $31.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Legal & General Group Plc | 756.86K | +42.8% | $31.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Legal & General Group Plc | 756.86K | +42.8% | $31.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Dimensional Fund Advisors Lp | 645.99K | -1.9% | $26.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Dimensional Fund Advisors Lp | 645.99K | -1.9% | $26.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Dimensional Fund Advisors Lp | 645.99K | -1.9% | $26.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Dimensional Fund Advisors Lp | 645.99K | -1.9% | $26.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 635.83K | +0.3% | $26.39M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 635.83K | +0.3% | $26.39M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 635.83K | +0.3% | $26.39M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 635.83K | +0.3% | $26.39M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 635.83K | +0.3% | $26.39M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 635.83K | +0.3% | $26.39M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 635.83K | +0.3% | $26.39M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 47 | Nuveen, LLC | 628.41K | -38.5% | $26.09M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Nuveen, LLC | 628.41K | -38.5% | $26.09M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Nuveen, LLC | 628.41K | -38.5% | $26.09M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Northern Trust Corp | 433.79K | +10.3% | $18.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Northern Trust Corp | 433.79K | +10.3% | $18.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Northern Trust Corp | 433.79K | +10.3% | $18.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Northern Trust Corp | 433.79K | +10.3% | $18.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Northern Trust Corp | 433.79K | +10.3% | $18.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Charles Schwab Investment… | 399.12K | +3.6% | $16.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | D. E. Shaw & Co. ✦ | 366.85K | -35.4% | $15.23M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 57 | Bnp Paribas Financial Markets | 366.44K | -16.1% | $15.21M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | T. Rowe Price ✦ | 343.87K | +486.7% | $14.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 59 | T. Rowe Price ✦ | 343.87K | +486.7% | $14.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 60 | Hrt Financial Lp | 298.42K | New | $12.39M | 0.0% | New | 1 | SEC ↗ |
| 61 | Qube Research & Technologies Ltd | 250.57K | -23.9% | $10.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | Susquehanna International Group, Llp | 235.24K | +280.6% | $9.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Arrowstreet Capital ✦ | 230.90K | -48.3% | $9.58M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 64 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 65 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 66 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 67 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 68 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 69 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 70 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 71 | AQR Capital Management ✦ | 194.48K | +5.3% | $8.07M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 72 | Invesco Ltd. | 180.66K | -25.0% | $7.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Invesco Ltd. | 180.66K | -25.0% | $7.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Invesco Ltd. | 180.66K | -25.0% | $7.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Invesco Ltd. | 180.66K | -25.0% | $7.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 76 | Invesco Ltd. | 180.66K | -25.0% | $7.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Russell Investments Group, Ltd. | 171.76K | +359.7% | $7.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Russell Investments Group, Ltd. | 171.76K | +359.7% | $7.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Russell Investments Group, Ltd. | 171.76K | +359.7% | $7.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 171.76K | +359.7% | $7.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Russell Investments Group, Ltd. | 171.76K | +359.7% | $7.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Jane Street Group, Llc | 170.32K | New | $7.07M | 0.0% | New | 1 | SEC ↗ |
| 83 | Jane Street Group, Llc | 170.32K | New | $7.07M | 0.0% | New | 1 | SEC ↗ |
| 84 | Mackenzie Financial Corp | 164.45K | +112.1% | $6.83M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Baird Financial Group, Inc. | 157.20K | -3.7% | $6.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Baird Financial Group, Inc. | 157.20K | -3.7% | $6.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | JPMorgan Chase ✦ | 149.50K | +9.2% | $6.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 88 | JPMorgan Chase ✦ | 149.50K | +9.2% | $6.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 89 | JPMorgan Chase ✦ | 149.50K | +9.2% | $6.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 90 | JPMorgan Chase ✦ | 149.50K | +9.2% | $6.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 91 | JPMorgan Chase ✦ | 149.50K | +9.2% | $6.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 143.97K | +6.8% | $5.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 143.97K | +6.8% | $5.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 143.97K | +6.8% | $5.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 143.97K | +6.8% | $5.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Allspring Global Investments… | 130.62K | -12.7% | $5.21M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Allspring Global Investments… | 130.62K | -12.7% | $5.21M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Raymond James Financial Inc | 118.80K | -4.2% | $4.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Raymond James Financial Inc | 118.80K | -4.2% | $4.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Raymond James Financial Inc | 118.80K | -4.2% | $4.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Hrt Financial Lp | $12.39M | 0.0% |
| Jane Street Group, Llc | $7.07M | 0.0% |
| Jane Street Group, Llc | $7.07M | 0.0% |
Exited
| Nomura Asset Management… | $12.85M | was 0.0% |
| Boston Partners | $2.24M | was 0.0% |
| Lazard Asset Management Llc | $1.91M | was 0.0% |
| Canada Pension Plan… | $514,520 | was 0.0% |
| Cerity Partners LLC | $216,335 | was 0.0% |
| Fifth Third Bancorp | $6,601 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 240 holders, 33.03M shares, $1.09B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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