| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CDC Financial, Inc. | $16.1M | 2.6M | ▼−28% Reduced · −1.0M sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $10.2M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $10.2M | 1.6M | ▼−22% Reduced · −448K sh | Q1 2026 | |
| 4 | AMERICAN CENTURY COMPANIES INC | $9.0M | 1.4M | ▲+1.8% Added · +25K sh | Q1 2026 | |
| 5 | MARSHALL WACE, LLP | $7.8M | 1.3M | ▲+32% Added · +302K sh | Q1 2026 | |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5.6M | 895K | ▲+99% Added · +444K sh | Q1 2026 | |
| 7 | Caption Management, LLC | $5.5M | 874K | ▲Added Added · +874K sh | Q1 2026 | |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $5.4M | 864K | ▲New +864K sh | Q1 2026 | |
| 9 | BlackRock, Inc. | $3.6M | 576K | ▲+0.6% Added · +4K sh | Q1 2026 | |
| 10 | MILLENNIUM MANAGEMENT LLC | $3.0M | 481K | ▲+243% Added · +341K sh | Q1 2026 | |
| 11 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $2.7M | 427K | ▲+5.7% Added · +23K sh | Q1 2026 | |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $2.6M | 415K | ▼−0.9% Reduced · −4K sh | Q1 2026 | |
| 13 | MORGAN STANLEY | $2.5M | 408K | ▲+1.8% Added · +7K sh | Q1 2026 | |
| 14 | D. E. Shaw & Co., Inc. | $2.0M | 322K | ▲+203% Added · +216K sh | Q1 2026 | |
| 15 | Empowered Funds, LLC | $1.6M | 254K | ▲+10% Added · +23K sh | Q1 2026 | |
| 16 | Qube Research & Technologies Ltd | $1.5M | 240K | ▲New +240K sh | Q1 2026 | |
| 17 | CITADEL ADVISORS LLC | $1.5M | 240K | ▲+67% Added · +96K sh | Q1 2026 | |
| 18 | JANE STREET GROUP, LLC | $1.5M | 237K | ▲+36% Added · +63K sh | Q1 2026 | |
| 19 | Connor, Clark & Lunn Investment Management Ltd. | $1.4M | 218K | ▲+477% Added · +180K sh | Q1 2026 | |
| 20 | VANGUARD FIDUCIARY TRUST CO | $1.3M | 215K | ▲New +215K sh | Q1 2026 | |
| 21 | YACKTMAN ASSET MANAGEMENT LP | $1.3M | 210K | ▼−8.7% Reduced · −20K sh | Q1 2026 | |
| 22 | AMERIPRISE FINANCIAL INC | $1.3M | 202K | ▲New +202K sh | Q1 2026 | |
| 23 | Russell Investments Group, Ltd. | $1.2M | 194K | ▲22× Added · +186K sh | Q1 2026 | |
| 24 | Ancora Advisors LLC | $1.2M | 191K | ▲+291% Added · +142K sh | Q1 2026 | |
| 25 | Point72 Asset Management, L.P. | $1.1M | 180K | ▼−13% Reduced · −27K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 40 funds | $12.2B |
| ELI LILLY & COLLY | 39 funds | $3.1B |
| ALPHABET INC-CL CGOOG | 38 funds | $7.1B |
| META PLATFORMS INC-CLASS AMETA | 38 funds | $5.7B |
| COSTCO WHOLESALE CORPCOST | 38 funds | $2.7B |
| UNITEDHEALTH GROUP INCUNH | 38 funds | $2.0B |
| ORACLE CORPORCL | 38 funds | $1.8B |
| AMAZON.COM INCAMZN | 37 funds | $10.8B |
| NVIDIA CORPNVDA | 36 funds | $18.7B |
| ALPHABET INC-CL AGOOGL | 36 funds | $6.6B |
| BROADCOM INCAVGO | 36 funds | $6.3B |
| TESLA INCTSLA | 36 funds | $4.4B |
Ranked by how many of AMPY's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 23, 2026 | FREW JAMES | SEE REMARKS | Buy (P) | 25K | $99K |
| Mar 17, 2026 | COGHILL CLINT D | Director | Sell (S) | 242K | $1.5M |
| Mar 16, 2026 | COGHILL CLINT D | Director | Sell (S) | 501K | $3.2M |
| Mar 13, 2026 | COGHILL CLINT D | Director | Sell (S) | 256K | $1.7M |
| Aug 14, 2025 | COGHILL CLINT D | Director | Buy (P) | 65K | $255K |
| Aug 13, 2025 | COGHILL CLINT D | Director | Buy (P) | 167K | $648K |
| Aug 12, 2025 | COGHILL CLINT D | Director | Buy (P) | 117K | $433K |
| Aug 12, 2025 | FREW JAMES | SEE REMARKS | Buy (P) | 25K | $93K |
| Aug 11, 2025 | FREW JAMES | SEE REMARKS | Buy (P) | 50K | $175K |
| Jun 23, 2025 | Dulany Eric Edward | SEE REMARKS | Sell (S) | 6K | $20K |
| Jun 20, 2025 | COGHILL CLINT D | Director | Buy (P) | 150K | $551K |
| Jun 18, 2025 | Hamm Christopher W. | Director | Buy (P) | 77K | $283K |
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/AMPY/capital-change-brief"
Use Arkolith's capital_change_brief for AMPY. 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 AMPY. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.