Security record · archived quarter
ACLS
Axcelis Technologies, Inc. · Technology · Semiconductors
113Tracked holders
-1Δ holders
26.05MShares held
$2.10BReported value
+2New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -0.9% ·
share flow +0.2% ·
net new positions 0.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 112 | +7 | 23.48M | $4.44B | +14 | −9 |
| 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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.83M | -0.8% | $387.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×17 |
| 2 | The Vanguard Group ✦ (passive) | 4.12M | -1.5% | $331.20M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 3 | Victory Capital Management Inc | 1.81M | — | $145.21M | 0.1% | n/c | 1 | SEC ↗ |
| 4 | American Century Companies Inc | 1.23M | — | $99.11M | 0.1% | n/c | 1 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 1.19M | -3.6% | $95.30M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | BNP Paribas Asset Management… | 1.09M | — | $87.66M | 0.1% | n/c | 1 | SEC ↗ ×4 |
| 7 | Geode Capital Management ✦ (passive) | 917.75K | -1.0% | $73.74M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 8 | Dimensional Fund Advisors Lp | 841.04K | — | $67.57M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 9 | PRIMECAP Management ✦ | 664.94K | -20.2% | $53.42M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 10 | Goldman Sachs Group ✦ | 629.81K | +27.3% | $50.60M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Fidelity (FMR) ✦ | 610.60K | +10.7% | $49.06M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 12 | Invesco Ltd. | 478.90K | — | $38.47M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 13 | D. E. Shaw & Co. ✦ | 470.29K | +204.7% | $37.78M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 14 | Boston Partners | 422.44K | — | $35.07M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 15 | Charles Schwab Investment… | 431.19K | — | $34.64M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Northern Trust Corp | 405.15K | — | $32.55M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 17 | T. Rowe Price ✦ | 383.06K | -28.0% | $30.78M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 18 | JPMorgan Chase ✦ | 357.50K | -17.8% | $28.72M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 19 | Morgan Stanley ✦ | 350.22K | -22.9% | $28.14M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 20 | Grantham, Mayo, Van Otterloo & Co.… | 322.85K | — | $25.94M | 0.1% | n/c | 1 | SEC ↗ |
| 21 | Allspring Global Investments… | 266.01K | — | $22.91M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 22 | Federated Hermes, Inc. | 276.27K | — | $22.20M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 23 | Balyasny Asset Management L.P. | 243.50K | — | $19.56M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 24 | UBS Group AG | 213.39K | — | $17.14M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 25 | Arrowstreet Capital ✦ | 212.05K | +80.0% | $17.04M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Bank of New York Mellon Corp | 203.54K | — | $16.35M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 27 | Principal Financial Group Inc | 200.03K | — | $16.07M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 28 | Citadel Advisors ✦ | 176.05K | +556.2% | $14.14M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 29 | Bnp Paribas Financial Markets | 164.03K | — | $13.18M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Squarepoint Ops LLC | 153.70K | — | $12.35M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | First Eagle Investment Management… | 136.32K | — | $10.95M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 32 | Millennium Management ✦ | 130.09K | -50.3% | $10.45M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 33 | Bank Of America Corp /De/ | 118.21K | — | $9.50M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 34 | Citigroup Inc | 110.47K | — | $8.88M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 35 | First Trust Advisors Lp | 88.40K | — | $7.10M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Norges Bank ✦ (passive) | 88.15K | New | $7.08M | 0.0% | New | 1 | SEC ↗ |
| 37 | Rhumbline Advisers | 88.11K | — | $7.08M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Ameriprise Financial Inc | 86.06K | — | $6.91M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 39 | Wells Fargo & Company/Mn | 79.75K | — | $6.41M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 40 | Jane Street Group, Llc | 79.05K | — | $6.35M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 41 | Legal & General Group Plc | 78.06K | — | $6.27M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 42 | Barclays Plc | 75.98K | — | $6.10M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 43 | Creative Planning | 73.50K | — | $5.90M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Two Sigma Investments ✦ | 71.24K | +91.7% | $5.72M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 45 | Nuveen, LLC | 70.39K | — | $5.66M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 46 | Renaissance Technologies ✦ | 66.90K | New | $5.37M | 0.0% | New | 1 | SEC ↗ |
| 47 | Swiss National Bank | 61.20K | — | $4.92M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | UBS AM, a distinct business unit of… | 61.10K | — | $4.91M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 49 | Envestnet Asset Management Inc | 52.50K | — | $4.22M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | State Of Wisconsin Investment Board | 50.51K | — | $4.06M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Janus Henderson Group Plc | 41.78K | — | $3.36M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 52 | Prudential Financial Inc | 39.56K | — | $3.18M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 37.58K | +2.5% | $3.02M | 0.0% | ▲ Add | 7 | SEC ↗ ×6 |
| 54 | Amundi | 37.27K | — | $2.99M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 55 | LPL Financial LLC | 34.57K | — | $2.78M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Alliancebernstein L.P. | 34.25K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Franklin Resources Inc | 33.25K | — | $2.67M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 58 | Mitsubishi UFJ Asset Management… | 29.12K | — | $2.51M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | California State Teachers… | 30.03K | — | $2.41M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Sei Investments Co | 27.98K | — | $2.25M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 61 | Deutsche Bank Ag\ | 25.92K | — | $2.08M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 62 | Hsbc Holdings Plc | 24.51K | — | $1.98M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 63 | Stifel Financial Corp | 24.35K | — | $1.96M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 64 | Tudor Investment Corp Et Al | 20.74K | — | $1.67M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Susquehanna International Group, Llp | 19.74K | — | $1.59M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Holocene Advisors, LP | 15.68K | — | $1.26M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Voya Investment Management Llc | 14.58K | — | $1.17M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 14.45K | — | $1.16M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Raymond James Financial Inc | 14.32K | — | $1.15M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 70 | Manufacturers Life Insurance… | 14.04K | — | $1.13M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Gotham Asset Management ✦ | 12.21K | +10.8% | $980,951 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 72 | Universal- Beteiligungs- und… | 11.78K | — | $960,342 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Corient Private Wealth LP | 11.42K | — | $918,520 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 74 | Zurcher Kantonalbank (Zurich… | 11.33K | — | $909,931 | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Quantinno Capital Management LP | 11.21K | — | $900,933 | 0.0% | n/c | 1 | SEC ↗ |
| 76 | New York State Common Retirement… | 10.15K | — | $815,451 | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Cetera Investment Advisers | 9.96K | — | $799,786 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | ProShare Advisors LLC | 8.98K | — | $721,293 | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Mml Investors Services, Llc | 8.49K | — | $682,087 | 0.0% | n/c | 1 | SEC ↗ |
| 80 | State Board Of Administration Of… | 7.08K | — | $568,807 | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Aviva Plc | 5.92K | — | $475,291 | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Canada Pension Plan Investment Board | 5.60K | — | $449,904 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Cerity Partners LLC | 5.05K | — | $405,878 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 84 | Hrt Financial Lp | 4.58K | — | $367,000 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Wealth Enhancement Advisory… | 3.71K | — | $360,128 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Pictet Asset Management Holding SA | 4.30K | — | $345,462 | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Lido Advisors, LLC | 3.61K | — | $338,652 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 88 | Mackenzie Financial Corp | 4.12K | — | $335,488 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | HighTower Advisors, LLC | 4.06K | — | $326,261 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Royal Bank Of Canada | 3.85K | — | $310,000 | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 91 | Mercer Global Advisors Inc /Adv | 3.72K | — | $298,975 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Pacer Advisors, Inc. | 3.62K | — | $290,429 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Tidal Investments LLC | 3.38K | — | $271,469 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Russell Investments Group, Ltd. | 3.28K | — | $263,273 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 95 | Bank Of Montreal /Can/ | 3.27K | — | $262,712 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 96 | Truist Financial Corp | 3.24K | — | $260,623 | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Walleye Trading LLC | 3.17K | — | $254,517 | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Commonwealth Equity Services, Llc | 2.90K | — | $232,810 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Neuberger Berman Group LLC | 2.71K | — | $218,123 | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Osaic Holdings, Inc. | 2.66K | — | $213,326 | 0.0% | n/c | 1 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $7.08M | 0.0% |
| Renaissance Technologies | $5.37M | 0.0% |
Exited
| Marshall Wace | $2.51M | was 0.0% |
| Bridgewater Associates | $217,151 | 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: Q4 2025 ·
Methodology ·
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