Axcelis Ownership | Who Owns Axcelis?
Axcelis Ownership Summary
Axcelis is owned by 68.40% institutional investors, 1.27% insiders, and 30.33% retail investors. Blackrock is the largest institutional shareholder, holding 17.79% of ACLS shares. NYLI Merger Arbitrage ETF is the top mutual fund, with 9.05% of its assets in Axcelis shares.
ACLS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Axcelis | 68.40% | 1.27% | 30.33% |
| Sector | Technology Stocks | 35.46% | 13.12% | 51.43% |
| Idea | Semiconductor Stocks List | 60.61% | 7.19% | 32.20% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 5.81M | 17.79% | $825.67M |
| Blackrock funding, inc. /de | 4.83M | 15.42% | $387.85M |
| Vanguard group | 4.12M | 13.17% | $331.20M |
| Reinhart partners | 1.59M | 5.08% | $127.73M |
| American century companies | 1.35M | 4.20% | $131.40M |
| State street | 1.23M | 3.84% | $120.11M |
| Victory capital management | 972.16K | 3.03% | $90.24M |
| Geode capital management | 917.75K | 2.93% | $73.74M |
| Bnp paribas asset management | 930.36K | 2.90% | $90.84M |
| Dimensional fund advisors lp | 841.04K | 2.69% | $67.57M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Reinhart partners | 1.59M | 3.83% | $127.73M |
| Qsm asset management | 53.17K | 2.44% | $4.27M |
| Soviero asset management, lp | 31.00K | 1.57% | $3.03M |
| Blackbarn capital partners lp | 200.00K | 1.40% | $19.53M |
| Jackson square partners | 27.34K | 1.08% | $2.67M |
| New insight wealth advisors | 27.01K | 0.99% | $2.64M |
| Penbrook management | 15.89K | 0.88% | $1.28M |
| Globeflex capital l p | 56.00K | 0.69% | $4.50M |
| Firsthand capital management | 4.00K | 0.66% | $390.56K |
| Illumine investment management | 10.12K | 0.59% | $812.80K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Invesco | 386.74K | 0.01% | 246.94K |
| Fmr | 551.40K | 0.00% | 168.82K |
| Allspring global investments | 266.01K | 0.04% | 156.39K |
| Jpmorgan chase | 357.50K | 0.00% | 140.11K |
| Goldman sachs group | 629.81K | 0.01% | 135.04K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 5.81M | 0.02% | -332.11K |
| American century companies | 1.35M | 0.07% | -313.70K |
| Rafferty asset management | - | - | -259.58K |
| Massachusetts financial services co /ma/ | - | - | -233.01K |
| Voloridge investment management | 95.23K | 0.03% | -216.61K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Arrowstreet capital, limited partnership | 117.80K | 0.01% | 117.80K | $11.50M |
| Balyasny asset management | 90.75K | 0.01% | 90.75K | $6.32M |
| Norges bank | 88.15K | 0.00% | 88.15K | $7.08M |
| Segall bryant & hamill | 58.61K | 0.08% | 58.61K | $5.72M |
| Axa investment managers | 52.18K | 0.01% | 52.18K | $5.09M |
Sold Out
| Holder | Change |
|---|---|
| Kelly financial services | -3.00 |
| Twin peaks wealth advisors | -3.00 |
| Mendota financial group | -3.00 |
| First command advisory services | -5.00 |
| Financial gravity asset management | -5.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 270 | -28.76% | 21,414,134 | -29.60% | 68 | 0.76% | 124 | -33.33% | 87 | -26.27% |
| Sep 30, 2025 | 324 | -2.11% | 28,916,119 | -3.41% | 90 | 1.03% | 159 | -5.36% | 103 | -0.96% |
| Jun 30, 2025 | 339 | 7.96% | 31,517,002 | 1.71% | 98 | 1.07% | 176 | 0.57% | 102 | 22.89% |
| Mar 31, 2025 | 2 | -99.42% | 22,694 | -99.93% | - | 0.00% | 2 | -98.91% | - | -100.00% |
| Dec 31, 2024 | 332 | -12.86% | 30,738,912 | 3.13% | 94 | 1.13% | 174 | -4.92% | 94 | -25.98% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| NYLI Merger Arbitrage ETF | 2.78M | 9.05% | - |
| iShares Core S&P Small-Cap ETF | 1.88M | 6.11% | -309.24K |
| Vanguard US Total Market Shares ETF | 1.03M | 3.20% | 836.00 |
| Vanguard Total Stock Mkt Idx Inv | 976.24K | 3.18% | -14.89K |
| Vanguard Information Technology ETF | 765.03K | 2.49% | 3.28K |
| iShares Russell 2000 ETF | 751.24K | 2.45% | 50.95K |
| Amundi Fds Global Equity A EUR C | 720.12K | 2.34% | 22.68K |
| Vanguard Small Cap Index | 702.23K | 2.29% | -468.00 |
| Pacer US Small Cap Cash Cows 100 ETF | 674.99K | 2.10% | -4.90K |
| American Century Small Cap Value Inv | 635.00K | 2.07% | -15.00K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 24, 2026 | Low Russell | PRESIDENT AND CEO | Sell | $111.96K |
| Feb 20, 2026 | Titinger Jorge | - | Sell | $80.00K |
| Dec 17, 2025 | Titinger Jorge | - | Sell | $172.10K |
| Dec 11, 2025 | Blumenstock Gerald M | EVP, Research, Dev. & Eng. | Sell | $271.42K |
| May 20, 2025 | KURTZWEIL JOHN T | - | Sell | $104.17K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 2 |
| 2025 Q4 | - | 2 |
| 2025 Q3 | - | - |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
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