Institutional Holders (2026 Q2)
272 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in AMSC. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | AWM Investment Company, Inc. | 3.43% | 951,604 | $39.5M |
| 2 | Palisades Investment Partners, LLC | 1.85% | 156,720 | $6.5M |
| 3 | Telemark Asset Management, LLC | 1.80% | 600,000 | $24.9M |
| 4 | Essex Investment Management Co LLC | 1.21% | 221,933 | $9.2M |
| 5 | Ranger Investment Management, L.P. | 1.06% | 405,266 | $16.8M |
| 6 | Lumbard & Kellner, LLC | 0.93% | 74,139 | $3.1M |
| 7 | Oberweis Asset Management Inc/ | 0.85% | 987,500 | $41.0M |
| 8 | Emerald Advisers, LLC | 0.82% | 843,956 | $35.0M |
| 9 | Emerald Mutual Fund Advisers Trust | 0.79% | 538,955 | $22.4M |
| 10 | nVerses Capital, LLC | 0.76% | 11,909 | $494K |
| 11 | Brown Capital Management LLC | 0.57% | 68,156 | $2.8M |
| 12 | Andrew Hill Investment Advisors, Inc. | 0.48% | 15,496 | $643K |
| 13 | Virtus Advisers, LLC | 0.45% | 28,501 | $1.2M |
| 14 | Quantum Private Wealth, LLC | 0.36% | 33,823 | $1.4M |
| 15 | Fund Advisors of America Inc/FL | 0.29% | 7,809 | $324K |
| 16 | ROI Financial Advisors, LLC | 0.28% | 12,842 | $533K |
| 17 | ArrowMark Colorado Holdings LLC | 0.28% | 159,432 | $6.6M |
| 18 | Verity Asset Management, Inc. | 0.26% | 16,246 | $674K |
| 19 | Gmt Capital Corp | 0.23% | 108,066 | $4.5M |
| 20 | Barrow Hanley Mewhinney & Strauss LLC | 0.21% | 1,704,006 | $70.7M |
| 21 | Campbell Newman Asset Management Inc | 0.21% | 67,337 | $2.8M |
| 22 | Polymer Capital Management (US) LLC | 0.19% | 34,521 | $1.4M |
| 23 | Royce & Associates LP | 0.19% | 555,821 | $23.1M |
| 24 | Stephens Investment Management Group LLC | 0.18% | 402,762 | $16.7M |
| 25 | Algert Global LLC | 0.17% | 353,832 | $14.7M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|