Security record
ACLS
Axcelis Technologies, Inc. · Technology · Semiconductors
115Tracked holders
+7Δ holders
23.59MShares held
$4.46BReported value
+14New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +6.5% ·
share flow -4.6% ·
net new positions +7.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
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 | 115 | +7 | 23.59M | $4.46B | +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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 5.03M | +1.9% | $952.83M | 0.0% | ▲ Add | 5 | SEC ↗ ×17 |
| 2 | Fidelity (FMR) ✦ | 4.13M | +69.7% | $781.65M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 3 | Vanguard Capital Management Llc | 1.39M | +0.3% | $262.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 1.23M | +3.5% | $233.18M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 5 | Victory Capital Management Inc | 1.13M | -11.3% | $214.84M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 833.61K | +2.8% | $157.96M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 7 | BNP Paribas Asset Management… | 803.15K | -20.2% | $152.16M | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 8 | Dimensional Fund Advisors Lp | 709.27K | -16.0% | $134.35M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 9 | Balyasny Asset Management L.P. | 616.20K | -54.8% | $116.74M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 10 | PRIMECAP Management ✦ | 610.45K | -7.3% | $115.65M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 11 | Invesco Ltd. | 527.72K | +219.7% | $99.98M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 12 | Charles Schwab Investment… | 416.23K | -6.6% | $78.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 394.45K | +8.9% | $74.73M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 14 | Manufacturers Life Insurance… | 383.76K | -22.0% | $72.70M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 15 | Northern Trust Corp | 382.03K | -8.3% | $72.38M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 16 | American Century Companies Inc | 369.88K | -61.1% | $70.07M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Morgan Stanley ✦ | 366.08K | -37.1% | $69.35M | 0.0% | ▼ Trim | 4 | SEC ↗ ×9 |
| 18 | UBS Group AG | 320.89K | -14.9% | $60.79M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 19 | Boston Partners | 303.93K | -10.7% | $55.65M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 20 | Goldman Sachs Group ✦ | 235.25K | -52.7% | $44.57M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 21 | Principal Financial Group Inc | 218.11K | +3.8% | $41.32M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 22 | Allspring Global Investments… | 219.36K | -15.2% | $39.12M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 23 | Bank of New York Mellon Corp | 204.96K | +2.6% | $38.83M | 0.0% | ▲ Add | 3 | SEC ↗ ×9 |
| 24 | Citigroup Inc | 184.12K | +647.1% | $34.88M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 25 | Millennium Management ✦ | 139.24K | +1011.1% | $26.38M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 26 | Grantham, Mayo, Van Otterloo & Co.… | 135.58K | -59.5% | $25.69M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 27 | D. E. Shaw & Co. ✦ | 133.04K | -75.6% | $25.21M | 0.0% | ▼ Trim | 9 | SEC ↗ ×2 |
| 28 | Federated Hermes, Inc. | 132.33K | -36.7% | $25.07M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 29 | First Trust Advisors Lp | 123.28K | -10.5% | $23.36M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Bank Of America Corp /De/ | 90.15K | -18.8% | $17.08M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 31 | Bnp Paribas Financial Markets | 87.70K | -39.4% | $16.62M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Creative Planning | 83.48K | +7.4% | $15.81M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 33 | Nuveen, LLC | 81.14K | +13.7% | $15.37M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 34 | Rhumbline Advisers | 76.37K | -12.5% | $14.47M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | First Eagle Investment Management… | 71.92K | -28.5% | $13.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Legal & General Group Plc | 70.35K | -2.2% | $13.33M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 37 | Wellington Management ✦ | 68.99K | New | $13.07M | 0.0% | New | 1 | SEC ↗ ×3 |
| 38 | Deutsche Bank Ag\ | 67.84K | +135.1% | $12.85M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 39 | UBS AM, a distinct business unit of… | 66.07K | +2.4% | $12.52M | 0.0% | ▲ Add | 3 | SEC ↗ ×9 |
| 40 | Swiss National Bank | 61.60K | +0.7% | $11.67M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Ameriprise Financial Inc | 52.55K | -33.2% | $9.96M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 42 | Adage Capital Partners ✦ | 50.78K | +577.0% | $9.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Two Sigma Investments ✦ | 48.44K | -75.5% | $9.18M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 44 | Citadel Advisors ✦ | 46.24K | +926.4% | $8.76M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 44.01K | -80.2% | $8.00M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 46 | Wells Fargo & Company/Mn | 40.61K | -21.5% | $7.69M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 47 | LPL Financial LLC | 38.90K | +72.9% | $7.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Raymond James Financial Inc | 37.96K | +1388.6% | $7.19M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 49 | Envestnet Asset Management Inc | 35.71K | +12.3% | $6.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 35.54K | -11.2% | $6.73M | 0.0% | ▼ Trim | 9 | SEC ↗ ×7 |
| 51 | Connor, Clark & Lunn Investment… | 34.04K | +117.1% | $6.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Sei Investments Co | 33.75K | -25.1% | $6.39M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 53 | Amundi | 33.61K | -17.3% | $6.37M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 54 | Prudential Financial Inc | 31.86K | +1.6% | $6.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Mercer Global Advisors Inc /Adv | 31.66K | -34.0% | $6.00M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Russell Investments Group, Ltd. | 28.27K | +262.9% | $5.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 57 | Susquehanna International Group, Llp | 26.83K | +110.0% | $5.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | State Of Wisconsin Investment Board | 26.47K | -35.8% | $5.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Qube Research & Technologies Ltd | 23.09K | New | $4.38M | 0.0% | New | 1 | SEC ↗ |
| 60 | Marshall Wace ✦ | 22.25K | New | $4.21M | 0.0% | New | 1 | SEC ↗ |
| 61 | Alliancebernstein L.P. | 43.66K | +26.6% | $4.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Stifel Financial Corp | 18.08K | -19.9% | $3.43M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 63 | Franklin Resources Inc | 16.86K | -36.9% | $3.20M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 64 | Barclays Plc | 14.53K | -58.9% | $2.75M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 65 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 14.45K | -0.7% | $2.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | ProShare Advisors LLC | 14.00K | +80.0% | $2.65M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Quantinno Capital Management LP | 12.52K | +1.5% | $2.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Mitsubishi UFJ Asset Management… | 12.32K | -57.7% | $2.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Zurcher Kantonalbank (Zurich… | 12.18K | 0.0% | $2.31M | 0.0% | Held | 3 | SEC ↗ |
| 70 | Man Group plc | 11.94K | New | $2.26M | 0.0% | New | 1 | SEC ↗ ×2 |
| 71 | Voya Investment Management Llc | 11.83K | -17.9% | $2.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Tudor Investment Corp Et Al | 11.42K | New | $2.16M | 0.0% | New | 1 | SEC ↗ |
| 73 | State Board Of Administration Of… | 11.18K | +57.9% | $2.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | New York State Common Retirement… | 11.05K | +8.9% | $2.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Gotham Asset Management ✦ | 10.79K | -9.6% | $2.05M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 76 | Hsbc Holdings Plc | 10.92K | -4.6% | $2.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Holocene Advisors, LP | 9.62K | -81.4% | $1.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 78 | Fifth Third Bancorp | 8.65K | -4.5% | $1.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Corient Private Wealth LP | 7.71K | +37.7% | $1.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Mariner, LLC | 6.77K | New | $1.28M | 0.0% | New | 1 | SEC ↗ |
| 81 | Cerity Partners LLC | 6.53K | +100.2% | $1.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 82 | HighTower Advisors, LLC | 6.11K | -17.1% | $1.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Cetera Investment Advisers | 6.03K | +17.5% | $1.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Rockefeller Capital Management L.P. | 5.21K | +486.5% | $986,655 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 85 | Norges Bank ✦ (passive) | 4.83K | New | $915,801 | 0.0% | New | 1 | SEC ↗ |
| 86 | Osaic Holdings, Inc. | 4.70K | +27.1% | $890,121 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 87 | Mml Investors Services, Llc | 4.58K | -33.5% | $868,060 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Pictet Asset Management Holding SA | 4.57K | -6.5% | $865,029 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 89 | Lido Advisors, LLC | 4.16K | -2.2% | $788,812 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 90 | Tidal Investments LLC | 3.77K | +45.9% | $714,416 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Royal Bank Of Canada | 3.72K | -62.0% | $703,000 | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 92 | Universal- Beteiligungs- und… | 3.29K | -59.8% | $623,670 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Bank Of Montreal /Can/ | 3.28K | -18.5% | $621,206 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 94 | Neuberger Berman Group LLC | 3.21K | +9.1% | $608,324 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 95 | Point72 Asset Management ✦ | 3.00K | +33.3% | $568,350 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Wealth Enhancement Advisory… | 5.58K | +2.1% | $503,421 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Mitsubishi UFJ Trust & Banking Corp | 2.57K | New | $486,129 | 0.0% | New | 1 | SEC ↗ |
| 98 | Pnc Financial Services Group, Inc. | 2.48K | +14.6% | $470,593 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 99 | Jones Financial Companies Lllp | 2.71K | -10.7% | $470,319 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Commonwealth Equity Services, Llc | 2.48K | -5.9% | $469,271 | 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
| Wellington Management | $13.07M | 0.0% |
| Qube Research & Technologies… | $4.38M | 0.0% |
| Marshall Wace | $4.21M | 0.0% |
| Man Group plc | $2.26M | 0.0% |
| Tudor Investment Corp Et Al | $2.16M | 0.0% |
| Mariner, LLC | $1.28M | 0.0% |
| Norges Bank | $915,801 | 0.0% |
| Mitsubishi UFJ Trust &… | $486,129 | 0.0% |
Exited
| Allianz Asset Management GmbH | $3.74M | was 0.0% |
| Toronto Dominion Bank | $3.17M | was 0.0% |
| Squarepoint Ops LLC | $3.10M | was 0.0% |
| Bridgewater Associates | $772,657 | was 0.0% |
| IMC-Chicago, LLC | $626,987 | was 0.0% |
| Aviva Plc | $494,069 | 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.
Aug 06
SC 13G/A — FMR LLC
Jul 14
SC 13G/A — REINHART PARTNERS, LLC.
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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