Security record · archived quarter
ACLS
Axcelis Technologies, Inc. · Technology · Semiconductors
110Tracked holders
-2Δ holders
24.77MShares held
$2.31BReported value
+8New positions
−11Exits
Momentum inputs (comparable managers):
holder breadth -1.8% ·
share flow +6.7% ·
net new positions -2.7%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 115 | +8 | 23.56M | $4.45B | +14 | −6 |
| Q1 2026 | 110 | -2 | 24.77M | $2.31B | +8 | −11 |
| Q4 2025 | 113 | -1 | 26.05M | $2.10B | +2 | −2 |
| Q3 2025 | 19 | +2 | 15.18M | $1.48B | +3 | −2 |
| Q2 2025 | 15 | 0 | 13.89M | $968.02M | — | — |
| Q1 2025 | 12 | -2 | 4.01M | $199.11M | — | −2 |
| Q4 2024 | 14 | -1 | 4.97M | $347.01M | — | −1 |
| Q3 2024 | 14 | +1 | 3.52M | $369.55M | +2 | −1 |
| Q2 2024 | 13 | — | 3.59M | $510.78M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.94M | +2.3% | $459.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | Fidelity (FMR) ✦ | 2.43M | +298.1% | $226.29M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | Fidelity (FMR) ✦ | 2.43M | +298.1% | $226.29M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | Fidelity (FMR) ✦ | 2.43M | +298.1% | $226.29M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | Fidelity (FMR) ✦ | 2.43M | +298.1% | $226.29M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Vanguard Capital Management Llc | 1.38M | — | $128.71M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Balyasny Asset Management L.P. | 1.36M | +460.4% | $127.01M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 23 | Victory Capital Management Inc | 1.28M | -29.2% | $119.05M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 1.19M | +0.2% | $110.68M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 25 | BNP Paribas Asset Management… | 1.01M | -7.8% | $93.64M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 26 | BNP Paribas Asset Management… | 1.01M | -7.8% | $93.64M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 27 | American Century Companies Inc | 951.91K | -22.8% | $88.60M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Dimensional Fund Advisors Lp | 844.10K | +0.4% | $78.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Dimensional Fund Advisors Lp | 844.10K | +0.4% | $78.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 844.10K | +0.4% | $78.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 844.10K | +0.4% | $78.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 844.10K | +0.4% | $78.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Geode Capital Management ✦ (passive) | 811.26K | -11.6% | $75.53M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 34 | Geode Capital Management ✦ (passive) | 811.26K | -11.6% | $75.53M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 35 | PRIMECAP Management ✦ | 658.65K | -0.9% | $61.31M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 581.64K | +66.1% | $54.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | D. E. Shaw & Co. ✦ | 544.42K | +15.8% | $50.67M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 46 | D. E. Shaw & Co. ✦ | 544.42K | +15.8% | $50.67M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 47 | Goldman Sachs Group ✦ | 497.62K | -21.0% | $46.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Goldman Sachs Group ✦ | 497.62K | -21.0% | $46.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Manufacturers Life Insurance… | 491.75K | +3402.5% | $45.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Charles Schwab Investment… | 445.77K | +3.4% | $41.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Northern Trust Corp | 416.70K | +2.9% | $38.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Northern Trust Corp | 416.70K | +2.9% | $38.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Northern Trust Corp | 416.70K | +2.9% | $38.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Northern Trust Corp | 416.70K | +2.9% | $38.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Northern Trust Corp | 416.70K | +2.9% | $38.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Northern Trust Corp | 416.70K | +2.9% | $38.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | UBS Group AG | 377.24K | +76.8% | $35.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | UBS Group AG | 377.24K | +76.8% | $35.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | UBS Group AG | 377.24K | +76.8% | $35.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | UBS Group AG | 377.24K | +76.8% | $35.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | T. Rowe Price ✦ | 362.20K | -5.4% | $33.72M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 62 | T. Rowe Price ✦ | 362.20K | -5.4% | $33.72M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 63 | Boston Partners | 340.27K | -19.4% | $31.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | Boston Partners | 340.27K | -19.4% | $31.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Boston Partners | 340.27K | -19.4% | $31.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Grantham, Mayo, Van Otterloo & Co.… | 334.79K | +3.7% | $31.16M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 67 | Allspring Global Investments… | 258.54K | -2.8% | $24.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Allspring Global Investments… | 258.54K | -2.8% | $24.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | JPMorgan Chase ✦ | 222.71K | -37.7% | $20.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | JPMorgan Chase ✦ | 222.71K | -37.7% | $20.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | JPMorgan Chase ✦ | 222.71K | -37.7% | $20.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | JPMorgan Chase ✦ | 222.71K | -37.7% | $20.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | JPMorgan Chase ✦ | 222.71K | -37.7% | $20.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | JPMorgan Chase ✦ | 222.71K | -37.7% | $20.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Principal Financial Group Inc | 210.20K | +5.1% | $19.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Principal Financial Group Inc | 210.20K | +5.1% | $19.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Federated Hermes, Inc. | 209.20K | -24.3% | $19.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Federated Hermes, Inc. | 209.20K | -24.3% | $19.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 199.67K | -1.9% | $18.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Two Sigma Investments ✦ | 197.57K | +177.3% | $18.39M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 89 | Invesco Ltd. | 165.07K | -65.5% | $15.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | Invesco Ltd. | 165.07K | -65.5% | $15.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Invesco Ltd. | 165.07K | -65.5% | $15.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 92 | Invesco Ltd. | 165.07K | -65.5% | $15.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Invesco Ltd. | 165.07K | -65.5% | $15.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | Invesco Ltd. | 165.07K | -65.5% | $15.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 95 | Bnp Paribas Financial Markets | 144.68K | -11.8% | $13.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | First Trust Advisors Lp | 137.78K | +55.9% | $12.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | Bank Of America Corp /De/ | 111.00K | -6.1% | $10.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Bank Of America Corp /De/ | 111.00K | -6.1% | $10.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | Bank Of America Corp /De/ | 111.00K | -6.1% | $10.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | Bank Of America Corp /De/ | 111.00K | -6.1% | $10.33M | 0.0% | ▼ Trim | 2 | 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
| Arrowstreet Capital | $17.04M | was 0.0% |
| Norges Bank | $7.08M | was 0.0% |
| Jane Street Group, Llc | $6.35M | was 0.0% |
| Renaissance Technologies | $5.37M | was 0.0% |
| Tudor Investment Corp Et Al | $1.67M | was 0.0% |
| Canada Pension Plan… | $449,904 | was 0.0% |
| Hrt Financial Lp | $367,000 | was 0.0% |
| Mackenzie Financial Corp | $335,488 | was 0.0% |
| Truist Financial Corp | $260,623 | was 0.0% |
| Walleye Trading LLC | $254,517 | was 0.0% |
| Group One Trading Llc | $13,336 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 371 holders, 32.35M shares, $2.91B 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: Q1 2026 ·
Methodology ·
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