Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
236 institutional managers reported holding ASTE for the quarter ended Mar 31, 2026. Together they hold about 94% of shares outstanding; the top 10 hold 55%. 49 opened new positions; 16 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 3.40M | 14.61% | $182.6M | trimmed -9.3% | ≤2013 |
| Vanguard Group | 2.53M | 10.88% | $135.9M | added +1.3% | ≤2013 |
| Dimensional Fund Advisors | 1.43M | 6.17% | $77.0M | added +1.6% | ≤2013 |
| Gamco Investors, INC. et al | 1.10M | 4.74% | $59.2M | trimmed -5.7% | 2013 Q3 |
| State Street | 873.5k | 3.76% | $46.9M | unchanged | 2015 Q4 |
| ACK Asset Management LLC (focused) | 786.5k | 3.38% | $42.3M | unchanged | 2025 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 760.2k | 3.27% | $40.8M | trimmed -9.3% | 2018 Q3 |
| Invesco | 723.9k | 3.11% | $38.9M | added +23.5% | ≤2013 |
| Harvey Partners, LLC (focused) | 672.2k | 2.89% | $36.1M | added +8.1% | 2024 Q2 |
| Geode Capital | 573.7k | 2.47% | $30.8M | added +2.7% | ≤2013 |
| GAMCO (Gabelli) | 552.9k | 2.38% | $29.7M | trimmed -2.7% | 2013 Q3 |
| American Century Companies INC | 504.4k | 2.17% | $27.1M | trimmed -20% | 2020 Q1 |
| Charles Schwab Investment Management | 405.0k | 1.74% | $21.8M | trimmed -6% | ≤2013 |
| Kennedy Capital Management LLC | 404.3k | 1.74% | $21.7M | added +18% | ≤2013 |
| Morgan Stanley | 396.2k | 1.70% | $21.3M | trimmed -10.7% | ≤2013 |
| Easterly Investment Partners LLC | 281.2k | 1.21% | $15.1M | added +46.4% | 2023 Q4 |
| First Eagle Investment Management | 260.3k | 1.12% | $14.0M | trimmed -7.8% | 2022 Q2 |
| Northern Trust | 259.5k | 1.12% | $13.9M | added +3% | ≤2013 |
| Millennium Management | 259.5k | 1.12% | $13.9M | trimmed -25.3% | 2020 Q3 |
| Qube Research & Technologies LTD | 258.0k | 1.11% | $13.9M | trimmed -11.5% | 2025 Q1 |
| Heartland Advisors INC | 228.9k | 0.98% | $12.3M | unchanged | 2019 Q4 |
| Segall Bryant & Hamill, LLC | 228.9k | 0.98% | $12.3M | trimmed -3.8% | ≤2013 |
| Ameriprise Financial INC | 228.3k | 0.98% | $12.3M | trimmed -1.6% | ≤2013 |
| BNY Mellon | 219.5k | 0.94% | $11.8M | trimmed -2.6% | ≤2013 |
| Jane Street | 173.2k | 0.74% | $9.3M | added +263.8% | 2025 Q4 |
| UBS | 160.9k | 0.69% | $8.6M | added +19% | ≤2013 |
| Tudor Investment | 152.7k | 0.66% | $8.2M | added +62.6% | 2025 Q1 |
| John G Ullman & Associates INC | 152.1k | 0.65% | $8.2M | trimmed -13.4% | 2018 Q4 |
| Advisors Asset Management, INC. | 141.8k | 0.61% | $7.6M | added +7.1% | 2016 Q4 |
| Goldman Sachs | 138.7k | 0.60% | $7.5M | added +16.4% | 2015 Q3 |
| Principal Financial Group INC | 136.7k | 0.59% | $7.3M | added +3.8% | ≤2013 |
| Prudential Financial INC | 126.8k | 0.55% | $6.8M | trimmed -13.9% | ≤2013 |
| Congruence Capital, LLC (focused) | 124.1k | 0.53% | $6.7M | opened | 2026 Q1 |
| Connor, Clark & Lunn Investment Management LTD. | 119.6k | 0.51% | $6.4M | added +26.2% | 2024 Q3 |
| SEI Investments CO | 117.6k | 0.51% | $6.3M | added +19.4% | 2022 Q2 |
| AQR Capital | 108.8k | 0.47% | $5.8M | added +0.6% | 2022 Q4 |
| Stifel Financial CORP | 107.9k | 0.46% | $5.8M | unchanged | 2016 Q3 |
| Peregrine Capital Management LLC | 103.1k | 0.44% | $5.5M | trimmed -8.8% | 2023 Q1 |
| Bank OF America CORP /DE/ | 93.4k | 0.40% | $5.0M | added +64.3% | ≤2013 |
| Uniplan Investment Counsel, INC. | 85.8k | 0.37% | $4.6M | added +11.1% | 2025 Q1 |
| Acadian Asset Management | 85.5k | 0.37% | $4.6M | added +88.4% | 2025 Q2 |
| Martin & CO INC /TN/ | 84.5k | 0.36% | $4.5M | added +1.7% | 2024 Q2 |
| Public Sector Pension Investment Board | 81.9k | 0.35% | $4.4M | added +3.3% | ≤2013 |
| Two Sigma | 80.6k | 0.35% | $4.3M | opened | 2026 Q1 |
| Royal Bank OF Canada | 76.4k | 0.33% | $4.1M | trimmed -8.6% | 2015 Q2 |
| Rhumbline Advisers | 62.7k | 0.27% | $3.4M | added +1.2% | ≤2013 |
| FMR (Fidelity) | 61.4k | 0.26% | $3.3M | added +184% | 2021 Q1 |
| Walleye Capital LLC | 55.3k | 0.24% | $3.0M | opened | 2026 Q1 |
| Legal & General Group PLC | 53.2k | 0.23% | $2.9M | trimmed -7.3% | 2014 Q3 |
| Point72 | 52.9k | 0.23% | $2.8M | added +123.8% | 2023 Q1 |
Largest 50 of 236 shown; the full ranked, searchable register is at boothcheck.com/holders/ASTE. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.