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/ATR/capital-change-brief"
Use Arkolith's capital_change_brief for ATR. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $766.6M | 6.1M | ▲+0.6% Added · +39K sh | Q1 2026 | |
| 2 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | $597.9M | 4.7M | —Held | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $474.8M | 3.8M | ▲New +3.8M sh | Q1 2026 | |
| 4 | MORGAN STANLEY | $425.4M | 3.4M | ▼−17% Reduced · −674K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $363.6M | 2.9M | ▲New +2.9M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $350.9M | 2.8M | ▼−0.3% Reduced · −8K sh | Q1 2026 | |
| 7 | VICTORY CAPITAL MANAGEMENT INC | $304.8M | 2.4M | ▲+5.6% Added · +127K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $213.5M | 1.7M | ▲+4.6% Added · +75K sh | Q1 2026 | |
| 9 | DIMENSIONAL FUND ADVISORS LP | $189.6M | 1.5M | ▲+16% Added · +204K sh | Q1 2026 | |
| 10 | Boston Trust Walden Corp | $170.1M | 1.3M | ▼−4.6% Reduced · −65K sh | Q1 2026 | |
| 11 | FIDUCIARY MANAGEMENT INC /WI/ | $157.8M | 1.3M | ▲+0.4% Added · +5K sh | Q1 2026 | |
| 12 | AQR CAPITAL MANAGEMENT LLC | $153.7M | 1.2M | ▲+46% Added · +386K sh | Q1 2026 | |
| 13 | River Road Asset Management, LLC | $148.3M | 1.2M | ▲+28% Added · +259K sh | Q1 2026 | |
| 14 | Neuberger Berman Group LLC | $148.0M | 1.2M | ▲+4.7% Added · +53K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $134.6M | 1.1M | ▲+0.3% Added · +3K sh | Q1 2026 | |
| 16 | FMR LLC | $129.6M | 1.0M | ▲+2.5% Added · +25K sh | Q1 2026 | |
| 17 | LONDON CO OF VIRGINIA | $104.4M | 829K | ▼−8.9% Reduced · −81K sh | Q1 2026 | |
| 18 | NORGES BANK | $91.1M | 747K | ▼−1.1% Reduced · −9K sh | Q4 2025 | |
| 19 | Mawer Investment Management Ltd. | $82.8M | 657K | ▼−68% Reduced · −1.4M sh | Q1 2026 | |
| 20 | Williams Jones Wealth Management, LLC. | $74.0M | 587K | ▼−2.7% Reduced · −16K sh | Q1 2026 | |
| 21 | FEDERATED HERMES, INC. | $70.6M | 560K | ▲+2.7% Added · +15K sh | Q1 2026 | |
| 22 | FIRST TRUST ADVISORS LP | $67.9M | 539K | ▲+43% Added · +161K sh | Q1 2026 | |
| 23 | Bank of New York Mellon Corp | $63.7M | 506K | ▼−5.8% Reduced · −31K sh | Q1 2026 | |
| 24 | BANK OF AMERICA CORP /DE/ | $61.2M | 486K | ▲+7.2% Added · +32K sh | Q1 2026 | |
| 25 | D. E. Shaw & Co., Inc. | $60.7M | 482K | ▲+144% Added · +285K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 16, 2026 | Trerotola Matthew L. | Director | Grant (A) | 151 | $0 |
| Jul 16, 2026 | Wunderlich Ralf K. | Director | Grant (A) | 151 | $0 |
| Jul 16, 2026 | Matthews Candace S. | Director | Grant (A) | 226 | $0 |
| Jul 16, 2026 | Marey-Semper Isabel | Director | Grant (A) | 151 | $0 |
| Jul 16, 2026 | Kampouri Monnas Giovanna | Director | Grant (A) | 151 | $0 |
| Jul 16, 2026 | FOTIADES GEORGE L | Director | Grant (A) | 151 | $0 |
| Jul 16, 2026 | Glickman Sarah JS | Director | Grant (A) | 151 | $0 |
| Jul 16, 2026 | Owens B Craig | Director | Grant (A) | 151 | $0 |
| Jul 16, 2026 | Xing Julie | Director | Grant (A) | 151 | $0 |
| Jun 15, 2026 | Gandhi Aditya | CAO | Grant (A) | 3K | $0 |
| Jun 9, 2026 | Prieur Marc | Segment President | Sell (S) | 5K | $526K |
| Jun 9, 2026 | Prieur Marc | Segment President | Sell (S) | 447 | $52K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 183 funds | $68.0B |
| NVIDIA CORPNVDA | 181 funds | $90.0B |
| APPLE INCAAPL | 181 funds | $81.5B |
| ELI LILLY & COLLY | 181 funds | $17.3B |
| AMAZON.COM INCAMZN | 180 funds | $50.0B |
| META PLATFORMS INC-CLASS AMETA | 180 funds | $29.6B |
| VISA INC-CLASS A SHARESV | 179 funds | $15.5B |
| COSTCO WHOLESALE CORPCOST | 179 funds | $12.7B |
| BROADCOM INCAVGO | 178 funds | $32.2B |
| ALPHABET INC-CL AGOOGL | 177 funds | $43.3B |
| NETFLIX INCNFLX | 177 funds | $8.2B |
| BANK OF AMERICA CORPBAC | 177 funds | $7.0B |
Ranked by how many of ATR's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ATR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.