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/AIN/capital-change-brief"
Use Arkolith's capital_change_brief for AIN. 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. | $219.6M | 4.2M | ▼−0.8% Reduced · −35K sh | Q1 2026 | |
| 2 | EARNEST PARTNERS LLC | $130.9M | 2.5M | ▼−2.1% Reduced · −54K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $92.8M | 1.8M | ▲New +1.8M sh | Q1 2026 | |
| 4 | AMERICAN CENTURY COMPANIES INC | $75.4M | 1.4M | ▲+4.5% Added · +63K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $67.2M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $58.0M | 1.1M | ▼−3.2% Reduced · −37K sh | Q1 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $54.5M | 1.0M | ▲+18% Added · +160K sh | Q1 2026 | |
| 8 | DIMENSIONAL FUND ADVISORS LP | $47.8M | 915K | ▼−4.2% Reduced · −40K sh | Q1 2026 | |
| 9 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | $45.3M | 868K | ▲+59% Added · +323K sh | Q1 2026 | |
| 10 | SEI INVESTMENTS CO | $41.1M | 786K | ▲+1.4% Added · +11K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $36.6M | 701K | ▲+1.8% Added · +12K sh | Q1 2026 | |
| 12 | GAMCO INVESTORS, INC. ET AL | $33.7M | 645K | ▲+200% Added · +430K sh | Q1 2026 | |
| 13 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $31.0M | 593K | ▼−5.0% Reduced · −31K sh | Q1 2026 | |
| 14 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $26.2M | 502K | ▲+3.7% Added · +18K sh | Q1 2026 | |
| 15 | D. E. Shaw & Co., Inc. | $24.4M | 467K | ▼−19% Reduced · −110K sh | Q1 2026 | |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $23.7M | 455K | ▲+5.2% Added · +22K sh | Q1 2026 | |
| 17 | DEPRINCE RACE & ZOLLO INC | $22.9M | 439K | ▲+20% Added · +74K sh | Q1 2026 | |
| 18 | TWO SIGMA INVESTMENTS, LP | $22.7M | 434K | ▲+547% Added · +367K sh | Q1 2026 | |
| 19 | Nuveen, LLC | $22.2M | 426K | ▲+8.3% Added · +33K sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $17.9M | 343K | ▲+6.7% Added · +21K sh | Q1 2026 | |
| 21 | CITADEL ADVISORS LLC | $16.8M | 322K | ▲+67% Added · +130K sh | Q1 2026 | |
| 22 | Neuberger Berman Group LLC | $16.4M | 315K | ▲+3.8% Added · +11K sh | Q1 2026 | |
| 23 | MORGAN STANLEY | $16.3M | 313K | ▼−19% Reduced · −74K sh | Q1 2026 | |
| 24 | GABELLI FUNDS LLC | $14.7M | 282K | ▲+88% Added · +132K sh | Q1 2026 | |
| 25 | NEW YORK STATE COMMON RETIREMENT FUND | $14.6M | 280K | ▲+2.5% Added · +7K 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 |
|---|---|---|---|---|---|
| Jun 9, 2026 | Valashinas Sean C | CAO | Option exercise (M) | 1K | $0 |
| Jun 9, 2026 | Valashinas Sean C | CAO | Tax withholding (F) | 315 | $22K |
| Jun 9, 2026 | Valashinas Sean C | CAO | Option exercise (M) | 1K | $0 |
| May 15, 2026 | PLOURDE KATHARINE | Director | Grant (A) | 2K | $0 |
| May 15, 2026 | McQuade John Michael | Director | Grant (A) | 4K | $0 |
| May 15, 2026 | Toney Russell | Director | Grant (A) | 2K | $0 |
| May 15, 2026 | KRUEGER KENNETH W | Director | Grant (A) | 2K | $0 |
| May 15, 2026 | Murphy Mark J. | Director | Grant (A) | 1K | $0 |
| May 15, 2026 | LIND BONNIE CRUICKSHANK | Director | Grant (A) | 2K | $0 |
| May 15, 2026 | Scannell John | Director | Grant (A) | 2K | $0 |
| May 15, 2026 | LIND BONNIE CRUICKSHANK | Director | Grant (A) | 2K | $0 |
| May 15, 2026 | Alvord Christina M | Director | Grant (A) | 2K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 75 funds | $32.3B |
| BROADCOM INCAVGO | 72 funds | $16.6B |
| GENERAL DYNAMICS CORPGD | 72 funds | $1.6B |
| NVIDIA CORPNVDA | 71 funds | $47.4B |
| META PLATFORMS INC-CLASS AMETA | 71 funds | $16.4B |
| ELI LILLY & COLLY | 71 funds | $8.4B |
| LAM RESEARCH CORPLRCX | 71 funds | $3.3B |
| GENERAL MOTORS COGM | 71 funds | $2.3B |
| APPLE INCAAPL | 70 funds | $38.3B |
| AMAZON.COM INCAMZN | 70 funds | $26.1B |
| ALPHABET INC-CL AGOOGL | 70 funds | $21.1B |
| JPMORGAN CHASE & COJPM | 70 funds | $10.4B |
Ranked by how many of AIN'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 AIN. 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.