Among active 13F managers last quarter, 11 opened and 17 added, while 14 reduced; the largest holder to move was American Century Companies Inc (+17%). Over the last 180 days, 1 insider sold and 1 insider bought, a net -$442K in open-market trades.
The legs disagree, or only one of them leans.
98 tracked 13F filers disclose a position in CMDB as of the latest SEC 13F filings, a combined $82.5M 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 | Dimensional Fund Advisors LP | 1.3M | $20.2M | ▼−3.7% Reduced · −50K sh | Q1 2026 | |
| 2 | BlackRock, Inc. | 556K | $9.8M | ▲+3.1% Added · +17K sh | Q2 2026 | |
| 3 | Ameriprise Financial Inc | 377K | $5.8M | ▲New +377K sh | Q1 2026 | |
| 4 | American Century Companies Inc | 321K | $5.0M | ▲+17% Added · +47K sh | Q1 2026 | |
| 5 | Oceanic Investment Management LTD | 278K | $4.9M | ▲+8.6% Added · +22K sh | Q2 2026 | |
| 6 | Renaissance Technologies LLC | 204K | $3.2M | ▲+48% Added · +66K sh | Q1 2026 | |
| 7 | Morgan Stanley | 159K | $2.5M | ▼−11% Reduced · −19K sh | Q1 2026 | |
| 8 | State Street Corp | 142K | $2.5M | ▼−0.7% Reduced · −990 sh | Q2 2026 | |
| 9 | Qube Research & Technologies Ltd | 122K | $1.9M | ▲+3.6% Added · +4K sh | Q1 2026 | |
| 10 | Geode Capital Management, LLC | 114K | $2.0M | ▲+6.9% Added · +7K sh | Q2 2026 | |
| 11 | Boothbay Fund Management, LLC | 111K | $2.0M | ▲+25% Added · +22K sh | Q2 2026 | |
| 12 | Nuveen, LLC | 102K | $1.6M | ▼−17% Reduced · −20K sh | Q1 2026 | |
| 13 | Russell Investments Group, Ltd. | 94K | $1.5M | ▲+10% Added · +9K sh | Q1 2026 | |
| 14 | Goldman Sachs Group Inc | 74K | $1.1M | ▼−7.0% Reduced · −6K sh | Q1 2026 | |
| 15 | Bridgeway Capital Management, LLC | 73K | $1.3M | ▼−28% Reduced · −29K sh | Q2 2026 | |
| 16 | Quantinno Capital Management LP | 62K | $961K | ▲+25% Added · +13K sh | Q1 2026 | |
| 17 | Walleye Capital LLC | 61K | $1.1M | ▼−47% Reduced · −54K sh | Q2 2026 | |
| 18 | Bank Of America Corp | 60K | $928K | ▲+121% Added · +33K sh | Q1 2026 | |
| 19 | Vanguard Portfolio Management LLC | 58K | $1.0M | ▲+14% Added · +7K sh | Q2 2026 | |
| 20 | Marshall Wace, LLP | 57K | $880K | ▲New +57K sh | Q1 2026 | |
| 21 | Charles Schwab Investment Management Inc | 55K | $850K | ▼−4.3% Reduced · −2K sh | Q1 2026 | |
| 22 | Northern Trust Corp | 53K | $824K | ▲+7.7% Added · +4K sh | Q1 2026 | |
| 23 | Jane Street Group, LLC | 44K | $687K | ▲+19% Added · +7K sh | Q1 2026 | |
| 24 | Millennium Management LLC | 43K | $665K | ▼−25% Reduced · −14K sh | Q1 2026 | |
| 25 | Empowered Funds, LLC | 42K | $650K | ▼−30% Reduced · −18K 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.
Last quarter, 11 funds opened a new position in CMDB and 17 added to an existing one, while 14 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 | 50 funds | $91.2B |
| Microsoft CorpMSFT | 50 funds | $65.2B |
| Broadcom IncAVGO | 50 funds | $39.9B |
| Meta Platforms Inc-Class AMETA | 50 funds | $26.2B |
| Bank Of America CorpBAC | 50 funds | $7.0B |
| Amazon.com IncAMZN | 49 funds | $52.9B |
| Eli Lilly & CoLLY | 49 funds | $17.9B |
| JPMorgan Chase & CoJPM | 49 funds | $13.5B |
| Wells Fargo & CoWFC | 49 funds | $5.9B |
| Apple IncAAPL | 48 funds | $69.8B |
| Alphabet Inc-CL AGOOGL | 48 funds | $34.3B |
| Visa Inc-Class A SharesV | 48 funds | $12.4B |
Ranked by how many of CMDB's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in CMDB.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 6, 2026 | Zikos Grigorios | Chief Executive Officer, Director | Sell (S) | 24K | $443K |
| Mar 27, 2026 | Eleftheriou Katerina | Director | Buy (P) | 65 | $982 |
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 | 34 | 30 | – |
Insiders Form 4 open-market | 1 | 1 | -$442K |
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 CMDB
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/CMDB/capital-change-brief"
Use Arkolith's capital_change_brief for CMDB. 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 CMDB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.