80 tracked 13F filers disclose a position in GEOS as of the latest SEC 13F filings, a combined $51.4M in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Tieton Capital Management, LLC | $6.1M | 907K | ▼−0.5% Reduced · −5K sh | Q2 2026 | |
| 2 | GRACE & WHITE INC /NY | $4.6M | 673K | ▲+42% Added · +200K sh | Q2 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $7.0M | 577K | →First observed position No prior filed position | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $6.0M | 491K | ▼−9.8% Reduced · −53K sh | Q1 2026 | |
| 5 | SEI INVESTMENTS CO | $5.0M | 411K | ▲+109% Added · +214K sh | Q1 2026 | |
| 6 | BlackRock, Inc. | $2.8M | 226K | ▲+2.0% Added · +4K sh | Q1 2026 | |
| 7 | MARSHALL WACE, LLP | $2.3M | 189K | ▲16× Added · +177K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $1.1M | 164K | ▲+7.9% Added · +12K sh | Q2 2026 | |
| 9 | STATE STREET CORP | $1.1M | 163K | ▲+19% Added · +26K sh | Q2 2026 | |
| 10 | De Lisle Partners LLP | $998K | 147K | —Held | Q2 2026 | |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.8M | 146K | ▼−37% Reduced · −85K sh | Q1 2026 | |
| 12 | ROBOTTI ROBERT | $870K | 128K | ▲New +128K sh | Q2 2026 | |
| 13 | US BANCORP \DE\ | $1.6M | 127K | —Held | Q1 2026 | |
| 14 | MILLENNIUM MANAGEMENT LLC | $1.3M | 107K | ▲+73% Added · +45K sh | Q1 2026 | |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $961K | 79K | ▼−31% Reduced · −36K sh | Q1 2026 | |
| 16 | VANGUARD FIDUCIARY TRUST CO | $928K | 76K | →First observed position No prior filed position | Q1 2026 | |
| 17 | TWO SIGMA INVESTMENTS, LP | $902K | 74K | ▲+27% Added · +16K sh | Q1 2026 | |
| 18 | Glenorchy Capital Ltd | $464K | 68K | ▼−60% Reduced · −105K sh | Q2 2026 | |
| 19 | EagleClaw Capital Managment, LLC | $339K | 50K | ▼−39% Reduced · −32K sh | Q2 2026 | |
| 20 | NORTHERN TRUST CORP | $495K | 41K | ▲+4.3% Added · +2K sh | Q1 2026 | |
| 21 | IRONWOOD INVESTMENT MANAGEMENT LLC | $246K | 36K | ▲+0.7% Added · +237 sh | Q2 2026 | |
| 22 | CITADEL ADVISORS LLC | $399K | 33K | ▼−44% Reduced · −26K sh | Q1 2026 | |
| 23 | Kingsview Wealth Management, LLC | $212K | 31K | ▲+10% Added · +3K sh | Q2 2026 | |
| 24 | AMERICAN CENTURY COMPANIES INC | $358K | 29K | ▼−2.7% Reduced · −822 sh | Q1 2026 | |
| 25 | Mraz, Amerine & Associates, Inc. | $165K | 24K | ▲+1.3% Added · +304 sh | Q2 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.
Last quarter, 8 funds opened a new position in GEOS and 11 added to an existing one, while 11 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| ALPHABET INC-CL AGOOGL | 39 funds | $24.6B |
| MICROSOFT CORPMSFT | 38 funds | $38.6B |
| APPLE INCAAPL | 37 funds | $47.1B |
| CISCO SYSTEMS INCCSCO | 37 funds | $4.7B |
| CATERPILLAR INCCAT | 37 funds | $3.8B |
| NVIDIA CORPNVDA | 36 funds | $63.1B |
| AMAZON.COM INCAMZN | 36 funds | $30.6B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 36 funds | $7.7B |
| COSTCO WHOLESALE CORPCOST | 36 funds | $7.2B |
| MERCK & CO. INC.MRK | 36 funds | $4.7B |
| ALPHABET INC-CL CGOOG | 35 funds | $16.2B |
| JPMORGAN CHASE & COJPM | 35 funds | $10.5B |
Ranked by how many of GEOS's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 22, 2024 | Adams Robbin B. | SVP & Chief Technical Officer | Sell (S) | 227 | $3K |
| Feb 22, 2024 | Adams Robbin B. | SVP & Chief Technical Officer | Sell (S) | 100 | $1K |
| Feb 22, 2024 | Adams Robbin B. | SVP & Chief Technical Officer | Sell (S) | 923 | $11K |
| Feb 22, 2024 | Miles Richard F | Director | Sell (S) | 5K | $59K |
| Feb 20, 2024 | Adams Robbin B. | SVP & Chief Technical Officer | Sell (S) | 912 | $11K |
| Feb 14, 2024 | Adams Robbin B. | SVP & Chief Technical Officer | Sell (S) | 2K | $26K |
| Feb 22, 2023 | OWENS GARY D | Director | Buy (P) | 27K | $149K |
| Feb 21, 2023 | OWENS GARY D | Director | Buy (P) | 13K | $70K |
| Feb 17, 2023 | OWENS GARY D | Director | Buy (P) | 10K | $55K |
| Sep 2, 2022 | OWENS GARY D | Director | Buy (P) | 7K | $35K |
| Sep 1, 2022 | OWENS GARY D | Director | Buy (P) | 12K | $56K |
| Aug 31, 2022 | OWENS GARY D | Director | Buy (P) | 14K | $66K |
Connected entities for GEOS
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/GEOS/capital-change-brief"
Use Arkolith's capital_change_brief for GEOS. 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 GEOS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.