Among active 13F managers last quarter, 1 opened and 2 added, while 5 reduced; the largest holder to move was Renaissance Technologies LLC (−0.5%). Over the last 180 days, 1 insider sold and none bought, a net -$11K in open-market trades.
Funds lean out and no leg opposes.
31 tracked 13F filers disclose a position in CSTE as of the latest SEC 13F filings, a combined $2.7M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Jane Street Group, LLC | 531K | $568K | ▲12× Added · +488K sh | Q1 2026 | |
| 2 | Renaissance Technologies LLC | 376K | $403K | ▼−0.5% Reduced · −2K sh | Q1 2026 | |
| 3 | UBS Group AG | 192K | $205K | ▼−57% Reduced · −250K sh | Q1 2026 | |
| 4 | BlackRock, Inc. | 183K | $385K | ▼−2.8% Reduced · −5K sh | Q2 2026 | |
| 5 | Millennium Management LLC | 163K | $175K | ▼−33% Reduced · −79K sh | Q1 2026 | |
| 6 | Northern Trust Corp | 116K | $124K | ▼−1.2% Reduced · −1K sh | Q1 2026 | |
| 7 | Citadel Advisors LLC | 86K | $182K | ▲Added Added · +86K sh | Q2 2026 | |
| 8 | Bridgeway Capital Management, LLC | 66K | $139K | —Held | Q2 2026 | |
| 9 | Empowered Funds, LLC | 58K | $62K | ▲+11% Added · +6K sh | Q1 2026 | |
| 10 | Yelin Lapidot Holdings Management Ltd. | 53K | $112K | ▼−19% Reduced · −13K sh | Q2 2026 | |
| 11 | LPL Financial LLC | 50K | $54K | ▲New +50K sh | Q1 2026 | |
| 12 | HSBC Holdings PLC | 46K | $49K | —Held | Q1 2026 | |
| 13 | Bank Of America Corp | 35K | $37K | ▼−0.4% Reduced · −152 sh | Q1 2026 | |
| 14 | Morgan Stanley | 29K | $31K | ▼−4.3% Reduced · −1K sh | Q1 2026 | |
| 15 | Geode Capital Management, LLC | 22K | $47K | ▼−22% Reduced · −6K sh | Q2 2026 | |
| 16 | Goldman Sachs Group Inc | 22K | $23K | ▼−22% Reduced · −6K sh | Q1 2026 | |
| 17 | Kestra Private Wealth Services, LLC | 21K | $43K | —Held | Q2 2026 | |
| 18 | Barclays PLC | 16K | $17K | ▼~0% Reduced · −1 sh | Q1 2026 | |
| 19 | Qube Research & Technologies Ltd | 11K | $12K | ▼−9.4% Reduced · −1K sh | Q1 2026 | |
| 20 | TD Waterhouse Canada Inc. | 2K | $5K | —Held | Q2 2026 | |
| 21 | Federated Hermes, Inc. | 2K | $2K | —Held | Q1 2026 | |
| 22 | Osaic Holdings, Inc. | 1K | $2K | ▲+68% Added · +585 sh | Q1 2026 | |
| 23 | BNP Paribas Financial Markets | 1K | $1K | ▼−2.7% Reduced · −37 sh | Q1 2026 | |
| 24 | JPMorgan Chase & Co | 1K | $1K | ▲+5.5% Added · +64 sh | Q1 2026 | |
| 25 | Advisors Asset Management, Inc. | 154 | $323 | ▼−46% Reduced · −131 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, 1 fund opened a new position in CSTE and 2 added to an existing one, while 5 reduced. 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 | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 11 funds | $7.2B |
| Alphabet Inc-CL AGOOGL | 11 funds | $4.3B |
| Visa Inc-Class A SharesV | 11 funds | $1.4B |
| Berkshire Hathaway Inc-CL BBRK/B | 11 funds | $1.2B |
| Apple IncAAPL | 10 funds | $7.3B |
| Amazon.com IncAMZN | 10 funds | $5.0B |
| Microsoft CorpMSFT | 10 funds | $4.9B |
| Broadcom IncAVGO | 10 funds | $3.7B |
| Meta Platforms Inc-Class AMETA | 10 funds | $3.1B |
| Micron Technology IncMU | 10 funds | $3.0B |
| Chevron CorpCVX | 10 funds | $2.7B |
| Eli Lilly & CoLLY | 10 funds | $2.5B |
Ranked by how many of CSTE's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in CSTE.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 19, 2026 | Cullen David Vincent | Managing Director, APAC | Sell (S) | 7K | $11K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 5 | 16 | – |
Insiders Form 4 open-market | 0 | 1 | -$11K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for CSTE
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/CSTE/capital-change-brief"
Use Arkolith's capital_change_brief for CSTE. 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 CSTE. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.