15 tracked 13F filers disclose a position in ASTC as of the latest SEC 13F filings, a combined $745K 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 | J. Safra Sarasin Holding AG | $140K | 27K | —Held | Q2 2026 | |
| 2 | BlackRock, Inc. | $106K | 20K | —Held | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $169K | 16K | ▼−20% Reduced · −4K sh | Q2 2026 | |
| 4 | STATE STREET CORP | $121K | 11K | ▲New +11K sh | Q2 2026 | |
| 5 | SCS Capital Management LLC | $120K | 11K | ▼−6.5% Reduced · −761 sh | Q2 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $48K | 9K | →First observed position No prior filed position | Q1 2026 | |
| 7 | VANGUARD FIDUCIARY TRUST CO | $23K | 4K | →First observed position No prior filed position | Q1 2026 | |
| 8 | Tower Research Capital LLC (TRC) | $12K | 2K | ▲+340% Added · +2K sh | Q1 2026 | |
| 9 | Vanguard Global Advisers, LLC | $5K | 911 | →First observed position No prior filed position | Q1 2026 | |
| 10 | UBS Group AG | $1K | 200 | ▼−78% Reduced · −703 sh | Q1 2026 | |
| 11 | Federation des caisses Desjardins du Quebec | $120 | 23 | —Held | Q1 2026 | |
| 12 | WELLS FARGO & COMPANY/MN | $104 | 20 | —Held | Q1 2026 | |
| 13 | SBI Securities Co., Ltd. | $109 | 10 | ▼−23% Reduced · −3 sh | Q2 2026 | |
| 14 | HARBOUR INVESTMENTS, INC. | $42 | 8 | ▲New +8 sh | Q1 2026 | |
| 15 | Caitong International Asset Management Co., Ltd | $65 | 6 | ▼−100% Reduced · −4K sh | Q2 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, 1 fund opened a new position in ASTC and 1 added to an existing one, while 3 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 | 6 funds | $963.2M |
| APPLE INCAAPL | 6 funds | $611.5M |
| ALPHABET INC-CL AGOOGL | 6 funds | $489.0M |
| AMAZON.COM INCAMZN | 6 funds | $355.5M |
| MICRON TECHNOLOGY INCMU | 6 funds | $320.8M |
| TESLA INCTSLA | 6 funds | $250.8M |
| JOHNSON & JOHNSONJNJ | 6 funds | $205.1M |
| ALPHABET INC-CL CGOOG | 6 funds | $190.0M |
| APPLIED MATERIALS INCAMAT | 6 funds | $173.4M |
| ELI LILLY & COLLY | 6 funds | $172.0M |
| INTEL CORPINTC | 6 funds | $149.0M |
| ADVANCED MICRO DEVICESAMD | 6 funds | $122.8M |
Ranked by how many of ASTC's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Oct 3, 2025 | Leonard Braden Michael | 10% Owner | Sell (S) | 9K | $53K |
| Oct 3, 2025 | Leonard Braden Michael | 10% Owner | Sell (S) | 220K | $1.6M |
| May 29, 2024 | Becker James Frank | Director | Buy (P) | 1K | $11K |
| May 28, 2024 | Becker James Frank | Director | Buy (P) | 934 | $9K |
| May 21, 2024 | Wilkinson Thomas Wiley | Director | Buy (P) | 1K | $11K |
| Mar 15, 2024 | Becker James Frank | Director | Buy (P) | 649 | $5K |
| Mar 15, 2024 | Russler Daniel T Jr | Director | Buy (P) | 387 | $3K |
| Mar 13, 2024 | Wilkinson Thomas Wiley | Director | Buy (P) | 1K | $11K |
| Mar 13, 2024 | Becker James Frank | Director | Buy (P) | 839 | $7K |
| Mar 12, 2024 | Becker James Frank | Director | Buy (P) | 958 | $8K |
| Mar 12, 2024 | Russler Daniel T Jr | Director | Buy (P) | 500 | $4K |
| Dec 29, 2023 | MCFARLAND ROBERT N | Director | Buy (P) | 21 | $175 |
| Class | 13F holders | Value held |
|---|---|---|
| ASTCthis pageStock | 15 funds | $745K |
| 046484101COMMON STOCK | 1 funds | $1 |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for ASTC
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/ASTC/capital-change-brief"
Use Arkolith's capital_change_brief for ASTC. 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 ASTC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.