146 tracked 13F filers disclose a position in ATEX as of the latest SEC 13F filings, a combined $842.8M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Owl Creek Asset Management, L.P. | $206.7M | 5.4M | —Held | Q1 2026 | |
| 2 | Heard Capital LLC | $176.7M | 1.7M | —Held | Q2 2026 | |
| 3 | BlackRock, Inc. | $38.5M | 1.0M | ▼−1.1% Reduced · −11K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $21.9M | 574K | →First observed position No prior filed position | Q1 2026 | |
| 5 | QVT Financial LP | $19.2M | 504K | —Held | Q1 2026 | |
| 6 | PLUSTICK MANAGEMENT LLC | $19.1M | 500K | ▲New +500K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $51.1M | 496K | ▲+28% Added · +108K sh | Q2 2026 | |
| 8 | GAMCO INVESTORS, INC. ET AL | $16.3M | 426K | ▲+0.8% Added · +3K sh | Q1 2026 | |
| 9 | DIMENSIONAL FUND ADVISORS LP | $16.2M | 425K | ▲+31% Added · +100K sh | Q1 2026 | |
| 10 | JANE STREET GROUP, LLC | $16.1M | 421K | ▲+165% Added · +262K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $40.0M | 388K | ▲+3.7% Added · +14K sh | Q2 2026 | |
| 12 | MILLENNIUM MANAGEMENT LLC | $11.8M | 308K | ▼−30% Reduced · −132K sh | Q1 2026 | |
| 13 | GABELLI FUNDS LLC | $10.2M | 266K | ▼−13% Reduced · −39K sh | Q1 2026 | |
| 14 | Curated Wealth Partners LLC | Withheld | 250K | ▲New +250K sh | Q2 2026 | |
| 15 | Potrero Capital Research LLC | $8.8M | 230K | ▲New +230K sh | Q1 2026 | |
| 16 | AYAL Capital Advisors Ltd | $7.5M | 197K | ▼−26% Reduced · −68K sh | Q1 2026 | |
| 17 | BANK OF AMERICA CORP /DE/ | $6.4M | 168K | ▲+17% Added · +25K sh | Q1 2026 | |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | $6.3M | 165K | →First observed position No prior filed position | Q1 2026 | |
| 19 | GOLDMAN SACHS GROUP INC | $6.2M | 162K | ▲+30% Added · +37K sh | Q1 2026 | |
| 20 | CITADEL ADVISORS LLC | $6.2M | 161K | ▲+49% Added · +53K sh | Q1 2026 | |
| 21 | GARNET EQUITY CAPITAL HOLDINGS, INC. | $16.1M | 156K | ▼−55% Reduced · −187K sh | Q2 2026 | |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $5.4M | 141K | ▲+1.9% Added · +3K sh | Q1 2026 | |
| 23 | FMR LLC | $5.2M | 135K | ▲+165% Added · +84K sh | Q1 2026 | |
| 24 | Panoramic Capital, LLC | $5.2M | 135K | ▲New +135K sh | Q1 2026 | |
| 25 | CITIGROUP INC | $4.6M | 120K | ▲191× Added · +119K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 23 funds opened a new position in ATEX and 11 added to an existing one, while 15 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 65 funds | $183.3B |
| AMAZON.COM INCAMZN | 65 funds | $83.8B |
| MICROSOFT CORPMSFT | 62 funds | $123.6B |
| ELI LILLY & COLLY | 62 funds | $35.6B |
| APPLE INCAAPL | 61 funds | $137.6B |
| BROADCOM INCAVGO | 60 funds | $72.2B |
| META PLATFORMS INC-CLASS AMETA | 60 funds | $52.4B |
| ALPHABET INC-CL AGOOGL | 59 funds | $66.3B |
| JPMORGAN CHASE & COJPM | 59 funds | $26.3B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 59 funds | $18.4B |
| MICRON TECHNOLOGY INCMU | 58 funds | $14.9B |
| AMPHENOL CORP-CL AAPH | 58 funds | $9.2B |
Ranked by how many of ATEX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 25, 2026 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell (S) | 3K | $244K |
| Aug 25, 2026 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell (S) | 8K | $695K |
| Aug 25, 2026 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell (S) | 8K | $723K |
| Aug 25, 2026 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell (S) | 5K | $503K |
| Aug 24, 2026 | Kuhn Thomas R. | Director | Sell (S) | 400 | $36K |
| Aug 24, 2026 | Kuhn Thomas R. | Director | Sell (S) | 790 | $71K |
| Aug 24, 2026 | Kuhn Thomas R. | Director | Sell (S) | 4K | $394K |
| Aug 24, 2026 | Kuhn Thomas R. | Director | Sell (S) | 4K | $387K |
| Aug 14, 2026 | Heard William | Director | Sell (S) | 46K | $4.2M |
| Aug 14, 2026 | Lang Scott A. | President and CEO, Director | Sell (S) | 5K | $478K |
| Aug 14, 2026 | Lang Scott A. | President and CEO, Director | Sell (S) | 19K | $1.7M |
| Aug 14, 2026 | Lang Scott A. | President and CEO, Director | Sell (S) | 10K | $917K |
Connected entities for ATEX
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ATEX/capital-change-brief"
Use Arkolith's capital_change_brief for ATEX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ATEX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.