Institutional Holders (2026 Q1)
292 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ATEC. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Kopp Family Office, LLC | 2.46% | 328,680 | $3.6M |
| 2 | PERKINS CAPITAL MANAGEMENT INC | 1.75% | 171,847 | $1.9M |
| 3 | Penn Capital Management Company, LLC | 1.18% | 1,396,942 | $15.2M |
| 4 | Granite Investment Partners, LLC | 0.80% | 1,195,156 | $13.0M |
| 5 | EMERALD ADVISERS, LLC | 0.62% | 1,807,307 | $19.7M |
| 6 | EMERALD MUTUAL FUND ADVISERS TRUST | 0.61% | 1,156,826 | $12.6M |
| 7 | Avid Wealth Partners LLC | 0.39% | 75,062 | $817K |
| 8 | HighMark Wealth Management LLC | 0.23% | 52,900 | $576K |
| 9 | HARBOR CAPITAL ADVISORS, INC. | 0.19% | 217,701 | $2K |
| 10 | Western Standard LLC | 0.13% | 22,493 | $245K |
| 11 | Bayforest Capital Ltd | 0.12% | 9,872 | $107K |
| 12 | COURIER CAPITAL LLC | 0.06% | 99,000 | $1.1M |
| 13 | Tidemark, LLC | 0.06% | 21,371 | $233K |
| 14 | PHILLIPS FINANCIAL MANAGEMENT, LLC | 0.05% | 59,583 | $648K |
| 15 | NORDEN GROUP LLC | 0.04% | 36,711 | $399K |
| 16 | CONTRAVISORY INVESTMENT MANAGEMENT, INC. | 0.04% | 17,023 | $185K |
| 17 | Y-Intercept (Hong Kong) Ltd | 0.03% | 165,179 | $1.8M |
| 18 | CONGRESS ASSET MANAGEMENT CO | 0.03% | 435,715 | $4.7M |
| 19 | WEATHERLY ASSET MANAGEMENT L. P. | 0.03% | 38,333 | $417K |
| 20 | AA Financial Advisors, LLC | 0.03% | 20,000 | $218K |
| 21 | Versant Capital Management, Inc | 0.03% | 25,684 | $279K |
| 22 | Cyndeo Wealth Partners, LLC | 0.03% | 46,841 | $510K |
| 23 | KORNITZER CAPITAL MANAGEMENT INC /KS | 0.02% | 100,000 | $1.1M |
| 24 | NAVELLIER & ASSOCIATES INC | 0.02% | 20,384 | $222K |
| 25 | Aberdeen Group plc | 0.02% | 1,292,606 | $14.1M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|