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/ATAT/capital-change-brief"
Use Arkolith's capital_change_brief for ATAT. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | OLP CAPITAL MANAGEMENT Ltd | $298.5M | 8.1M | ▼−6.3% Reduced · −547K sh | Q1 2026 | |
| 2 | FMR LLC | $179.6M | 4.9M | —Held | Q1 2026 | |
| 3 | JPMORGAN CHASE & CO | $147.1M | 4.2M | ▲+22% Added · +759K sh | Q1 2026 | |
| 4 | SCHRODER INVESTMENT MANAGEMENT GROUP | $127.4M | 3.5M | ▲+27% Added · +744K sh | Q1 2026 | |
| 5 | M&G Plc | $104.0M | 2.8M | ▲~0% Added · +279 sh | Q1 2026 | |
| 6 | Greenwoods Asset Management Hong Kong Ltd. | $95.4M | 2.6M | ▲+13% Added · +301K sh | Q1 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $88.9M | 2.4M | ▼−29% Reduced · −974K sh | Q1 2026 | |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | $83.7M | 2.3M | ▲New +2.3M sh | Q1 2026 | |
| 9 | Mitsubishi UFJ Trust & Banking Corp | $83.2M | 2.3M | ▲+29% Added · +505K sh | Q1 2026 | |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $79.3M | 2.2M | ▼−1.1% Reduced · −25K sh | Q1 2026 | |
| 11 | BlackRock, Inc. | $72.4M | 2.0M | ▲+13% Added · +226K sh | Q1 2026 | |
| 12 | MILLENNIUM MANAGEMENT LLC | $51.1M | 1.4M | ▲+195% Added · +917K sh | Q1 2026 | |
| 13 | UBS Group AG | $45.4M | 1.2M | ▲+6.9% Added · +80K sh | Q1 2026 | |
| 14 | Man Group plc | $45.0M | 1.2M | ▲+18% Added · +189K sh | Q1 2026 | |
| 15 | AMERIPRISE FINANCIAL INC | $37.5M | 1.0M | ▲+57% Added · +372K sh | Q1 2026 | |
| 16 | PRINCIPAL FINANCIAL GROUP INC | $36.0M | 978K | ▲+20% Added · +163K sh | Q1 2026 | |
| 17 | Think Investments LP | $33.0M | 898K | —Held | Q1 2026 | |
| 18 | Qube Research & Technologies Ltd | $32.8M | 891K | ▲+11% Added · +89K sh | Q1 2026 | |
| 19 | GOLDMAN SACHS GROUP INC | $30.7M | 833K | ▼−34% Reduced · −426K sh | Q1 2026 | |
| 20 | PRICE T ROWE ASSOCIATES INC /MD/ | $28.3M | 767K | ▲16× Added · +719K sh | Q1 2026 | |
| 21 | Aberdeen Group plc | $28.0M | 761K | ▼−6.6% Reduced · −54K sh | Q1 2026 | |
| 22 | PRUDENTIAL PLC | $26.3M | 715K | ▲+11% Added · +72K sh | Q1 2026 | |
| 23 | MARSHALL WACE, LLP | $26.1M | 708K | ▲New +708K sh | Q1 2026 | |
| 24 | BANK OF MONTREAL /CAN/ | $25.5M | 693K | ▼−5.3% Reduced · −39K sh | Q1 2026 | |
| 25 | AMERICAN CENTURY COMPANIES INC | $25.3M | 688K | ▼−36% Reduced · −392K 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 15, 2026 | Gao Lijun | Chief compliance officer, Director | Grant (A) | 2K | $0 |
| Jul 15, 2026 | Gao Lijun | Chief compliance officer, Director | Grant (A) | 4K | $0 |
| Jul 15, 2026 | Gao Lijun | Chief compliance officer, Director | Grant (A) | 6K | $0 |
| Jul 15, 2026 | Wu Jianfeng | Co-chief financial officer, Director | Grant (A) | 360K | $0 |
| Jul 15, 2026 | Wang Shoudong | Co-chief financial officer | Grant (A) | 2K | $0 |
| Jul 15, 2026 | Wang Shoudong | Co-chief financial officer | Grant (A) | 3K | $0 |
| Jul 15, 2026 | Wang Shoudong | Co-chief financial officer | Grant (A) | 5K | $0 |
| Jul 15, 2026 | Wang Haijun | Chief Executive Officer, Director | Grant (A) | 167K | $0 |
| Jul 15, 2026 | Wang Haijun | Chief Executive Officer, Director | Grant (A) | 251K | $0 |
| Jul 15, 2026 | Wang Haijun | Chief Executive Officer, Director | Grant (A) | 418K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 53 funds | $23.3B |
| NVIDIA CORPNVDA | 51 funds | $30.9B |
| AMAZON.COM INCAMZN | 51 funds | $17.1B |
| ALPHABET INC-CL AGOOGL | 51 funds | $16.4B |
| BROADCOM INCAVGO | 51 funds | $12.7B |
| ELI LILLY & COLLY | 51 funds | $5.6B |
| COSTCO WHOLESALE CORPCOST | 51 funds | $4.4B |
| UNITEDHEALTH GROUP INCUNH | 51 funds | $2.7B |
| META PLATFORMS INC-CLASS AMETA | 50 funds | $9.8B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 50 funds | $8.4B |
| VISA INC-CLASS A SHARESV | 50 funds | $7.6B |
| INTUITIVE SURGICAL INCISRG | 50 funds | $2.1B |
Ranked by how many of ATAT'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 ATAT. 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.