| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $100.6M | 5.9M | ▼−14% Reduced · −980K sh | Q1 2026 | |
| 2 | DIMENSIONAL FUND ADVISORS LP | $57.6M | 3.4M | ▼−21% Reduced · −914K sh | Q1 2026 | |
| 3 | AMERICAN CENTURY COMPANIES INC | $51.1M | 3.0M | ▲+16% Added · +422K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $48.6M | 2.9M | ▲New +2.9M sh | Q1 2026 | |
| 5 | FIL Ltd | $45.4M | 2.7M | ▲New +2.7M sh | Q1 2026 | |
| 6 | TWO SIGMA INVESTMENTS, LP | $33.8M | 2.0M | ▲+249% Added · +1.4M sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $28.5M | 1.7M | ▲+2.9% Added · +48K sh | Q1 2026 | |
| 8 | BALYASNY ASSET MANAGEMENT L.P. | $27.7M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 9 | STATE STREET CORP | $26.8M | 1.6M | ▼−0.7% Reduced · −12K sh | Q1 2026 | |
| 10 | Qube Research & Technologies Ltd | $23.5M | 1.4M | ▲+120% Added · +753K sh | Q1 2026 | |
| 11 | WATER ISLAND CAPITAL LLC | $21.5M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 12 | ODDO BHF ASSET MANAGEMENT SAS | $19.8M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 13 | MILLENNIUM MANAGEMENT LLC | $19.2M | 1.1M | ▼−29% Reduced · −466K sh | Q1 2026 | |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $17.9M | 1.1M | ▲+32% Added · +258K sh | Q1 2026 | |
| 15 | JENNISON ASSOCIATES LLC | $17.5M | 1.0M | ▼−73% Reduced · −2.8M sh | Q1 2026 | |
| 16 | Beryl Capital Management LLC | $15.5M | 913K | ▲New +913K sh | Q1 2026 | |
| 17 | Sand Grove Capital Management LLP | $15.2M | 893K | ▲New +893K sh | Q1 2026 | |
| 18 | GOLDMAN SACHS GROUP INC | $14.6M | 859K | ▲+35% Added · +224K sh | Q1 2026 | |
| 19 | AQR Arbitrage LLC | $12.4M | 731K | ▲New +731K sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $11.4M | 669K | ▲+5.1% Added · +32K sh | Q1 2026 | |
| 21 | TIG Advisors, LLC | $10.9M | 643K | ▲New +643K sh | Q1 2026 | |
| 22 | Harvey Partners, LLC | $10.4M | 610K | ▼−84% Reduced · −3.1M sh | Q1 2026 | |
| 23 | LONDON CO OF VIRGINIA | $9.9M | 584K | —Held | Q1 2026 | |
| 24 | Squarepoint Ops LLC | $9.9M | 584K | ▲+53% Added · +202K sh | Q1 2026 | |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $9.5M | 558K | ▲+0.7% Added · +4K 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 | 68 funds | $28.9B |
| AMAZON.COM INCAMZN | 67 funds | $20.1B |
| NVIDIA CORPNVDA | 66 funds | $44.5B |
| APPLE INCAAPL | 66 funds | $35.5B |
| BROADCOM INCAVGO | 66 funds | $16.1B |
| META PLATFORMS INC-CLASS AMETA | 66 funds | $13.5B |
| TESLA INCTSLA | 66 funds | $8.3B |
| ELI LILLY & COLLY | 66 funds | $7.4B |
| NETFLIX INCNFLX | 66 funds | $3.9B |
| ALPHABET INC-CL AGOOGL | 65 funds | $18.7B |
| MICRON TECHNOLOGY INCMU | 65 funds | $6.3B |
| BANK OF AMERICA CORPBAC | 65 funds | $3.1B |
Ranked by how many of GLDD's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 10, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell (S) | 2K | $29K |
| Dec 3, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell (S) | 10K | $130K |
| Aug 11, 2025 | Kornblau Scott Lee | SVP & CFO | Sell (S) | 60K | $687K |
| Jun 3, 2025 | Steger Ronald | Director | Sell (S) | 5K | $58K |
| May 6, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell (S) | 23K | $232K |
| Mar 4, 2025 | GUNSTEN CHRISTOPHER | SVP-Proj Svcs & Fleet Engineer | Buy (P) | 4K | $30K |
| Nov 14, 2024 | DICKERSON LAWRENCE R | Director | Sell (S) | 16K | $192K |
| Nov 12, 2024 | DICKERSON LAWRENCE R | Director | Sell (S) | 5K | $67K |
| Nov 11, 2024 | Steger Ronald | Director | Sell (S) | 12K | $153K |
| Nov 11, 2024 | Shanahan Kathleen M | Director | Sell (S) | 23K | $293K |
| Aug 26, 2024 | Petterson Lasse | CEO & President, Director | Sell (S) | 29K | $265K |
| Aug 23, 2024 | Petterson Lasse | CEO & President, Director | Sell (S) | 47K | $422K |
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/GLDD/capital-change-brief"
Use Arkolith's capital_change_brief for GLDD. 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 GLDD. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.