49 tracked 13F filers disclose a position in ASRT as of the latest SEC 13F filings, a combined $41.6M 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 | Nantahala Capital Management, LLC | $13.2M | 692K | ▲+18% Added · +105K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $5.1M | 269K | →First observed position No prior filed position | Q1 2026 | |
| 3 | Opaleye Management Inc. | $5.1M | 266K | ▼−6.8% Reduced · −19K sh | Q1 2026 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $4.4M | 229K | ▲+20% Added · +38K sh | Q1 2026 | |
| 5 | BlackRock, Inc. | $1.7M | 90K | ▲~0% Added · +1 sh | Q1 2026 | |
| 6 | JANE STREET GROUP, LLC | $1.5M | 79K | ▲+571% Added · +68K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $1.5M | 76K | ▲+10% Added · +7K sh | Q1 2026 | |
| 8 | Walleye Capital LLC | $1.3M | 66K | ▲New +66K sh | Q1 2026 | |
| 9 | SEI INVESTMENTS CO | $1.0M | 55K | ▲New +55K sh | Q1 2026 | |
| 10 | CITADEL ADVISORS LLC | $978K | 51K | ▲+15% Added · +7K sh | Q1 2026 | |
| 11 | MARSHALL WACE, LLP | $777K | 41K | ▲New +41K sh | Q1 2026 | |
| 12 | VANGUARD FIDUCIARY TRUST CO | $655K | 34K | →First observed position No prior filed position | Q1 2026 | |
| 13 | TWO SIGMA INVESTMENTS, LP | $640K | 34K | ▲+80% Added · +15K sh | Q1 2026 | |
| 14 | STATE STREET CORP | $529K | 28K | ▲+8.2% Added · +2K sh | Q1 2026 | |
| 15 | BANK OF AMERICA CORP /DE/ | $477K | 25K | ▲66× Added · +25K sh | Q1 2026 | |
| 16 | MORGAN STANLEY | $401K | 21K | ▼−17% Reduced · −4K sh | Q1 2026 | |
| 17 | Quadrature Capital Ltd | $356K | 19K | ▲New +19K sh | Q1 2026 | |
| 18 | Squarepoint Ops LLC | $341K | 18K | ▲New +18K sh | Q1 2026 | |
| 19 | MILLENNIUM MANAGEMENT LLC | $313K | 16K | ▼−52% Reduced · −18K sh | Q1 2026 | |
| 20 | Empowered Funds, LLC | $305K | 16K | ▲+7.1% Added · +1K sh | Q1 2026 | |
| 21 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $305K | 16K | ▲+7.1% Added · +1K sh | Q1 2026 | |
| 22 | NORTHERN TRUST CORP | $278K | 15K | ▲+7.9% Added · +1K sh | Q1 2026 | |
| 23 | DIMENSIONAL FUND ADVISORS LP | $269K | 14K | ▲New +14K sh | Q1 2026 | |
| 24 | UBS Group AG | $121K | 6K | ▲+570% Added · +5K sh | Q1 2026 | |
| 25 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $86K | 4K | —Held | 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, 8 funds opened a new position in ASRT and 7 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 |
|---|---|---|
| APPLE INCAAPL | 15 funds | $4.7B |
| ROYAL BANK OF CANADARY | 15 funds | $4.1B |
| AMAZON.COM INCAMZN | 15 funds | $4.1B |
| MICROSOFT CORPMSFT | 15 funds | $3.6B |
| BROADCOM INCAVGO | 15 funds | $2.2B |
| ALPHABET INC-CL CGOOG | 15 funds | $1.9B |
| JPMORGAN CHASE & COJPM | 15 funds | $1.9B |
| TESLA INCTSLA | 15 funds | $1.4B |
| COSTCO WHOLESALE CORPCOST | 15 funds | $1.3B |
| VISA INC-CLASS A SHARESV | 15 funds | $1.0B |
| MASTERCARD INC - AMA | 15 funds | $978.9M |
| UNITEDHEALTH GROUP INCUNH | 15 funds | $923.3M |
Ranked by how many of ASRT's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Nov 10, 2025 | Stark David Matthew | Director | Sell (S) | 9K | $7K |
| Nov 18, 2024 | Mason Heather L | Director | Buy (P) | 75K | $60K |
| Nov 14, 2024 | O'Grady Brendan P. | CEO, Director | Buy (P) | 12K | $10K |
| Jun 11, 2024 | Vacirca Jeff L | Director | Buy (P) | 10K | $11K |
| Jun 5, 2024 | Mason Heather L | Interim Executive Officer, Director | Buy (P) | 25K | $24K |
| Mar 14, 2024 | Tyree James L | Director | Sell (S) | 10K | $11K |
| Sep 12, 2023 | Peisert Daniel A. | President & CEO, Director | Sell (S) | 31K | $92K |
| Sep 11, 2023 | Peisert Daniel A. | President & CEO, Director | Sell (S) | 127K | $387K |
| Sep 11, 2023 | Schwichtenberg Paul | SVP and CFO | Sell (S) | 105K | $322K |
| Sep 11, 2023 | Patel Ajay | SVP and CAO | Sell (S) | 64K | $196K |
| Sep 11, 2023 | Schlessinger Sam | SVP, General Counsel | Sell (S) | 45K | $138K |
| Aug 14, 2023 | MCKEE WILLIAM | Director | Sell (S) | 22K | $69K |
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/ASRT/capital-change-brief"
Use Arkolith's capital_change_brief for ASRT. 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 ASRT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.