Among active 13F managers last quarter, 3 opened and 2 added, while 1 reduced; the largest holder to move was Bridgeway Capital Management, LLC (+44%). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
25 tracked 13F filers disclose a position in MDAI as of the latest SEC 13F filings, a combined $6.0M 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 | Vanguard Capital Management LLC | 994K | $1.7M | ▲+37% Added · +268K sh | Q2 2026 | |
| 2 | Highlander Partners, L.P. | 900K | $1.6M | —Held | Q2 2026 | |
| 3 | Bridgeway Capital Management, LLC | 287K | $497K | ▲+44% Added · +88K sh | Q2 2026 | |
| 4 | Geode Capital Management, LLC | 223K | $385K | ▼−26% Reduced · −79K sh | Q2 2026 | |
| 5 | Jane Street Group, LLC | 221K | $325K | ▲+320% Added · +168K sh | Q1 2026 | |
| 6 | BlackRock, Inc. | 162K | $280K | ▲+32% Added · +40K sh | Q2 2026 | |
| 7 | Vanguard Fiduciary Trust Co | 143K | $247K | ▲+0.6% Added · +868 sh | Q2 2026 | |
| 8 | University Of Texas/texas Am Investment Management Co | 122K | $211K | ▼−42% Reduced · −89K sh | Q2 2026 | |
| 9 | UBS Group AG | 113K | $166K | ▲+10% Added · +10K sh | Q1 2026 | |
| 10 | Rathbones Group PLC | 87K | $128K | ▼−2.4% Reduced · −2K sh | Q1 2026 | |
| 11 | State Street Corp | 76K | $131K | —Held | Q2 2026 | |
| 12 | Forum Financial Management, LP | 61K | $105K | —Held | Q2 2026 | |
| 13 | Northern Trust Corp | 32K | $47K | —Held | Q1 2026 | |
| 14 | XTX Topco Ltd | 27K | $40K | ▲New +27K sh | Q1 2026 | |
| 15 | N.E.W. Advisory Services LLC | 20K | $35K | ▲+43% Added · +6K sh | Q2 2026 | |
| 16 | StoneX Group Inc. | 15K | $32K | ▲New +15K sh | Q2 2026 | |
| 17 | Citigroup Inc | 15K | $22K | ▲New +15K sh | Q1 2026 | |
| 18 | Raymond James Financial Inc | 13K | $19K | ▲New +13K sh | Q1 2026 | |
| 19 | Philip James Wealth Mangement, LLC | 12K | $21K | —Held | Q2 2026 | |
| 20 | Engineers Gate Manager LP | 11K | $19K | ▲New +11K sh | Q2 2026 | |
| 21 | Morgan Stanley | 8K | $12K | ▼−0.1% Reduced · −7 sh | Q1 2026 | |
| 22 | Osaic Holdings, Inc. | 6K | $10K | ▼−19% Reduced · −2K sh | Q1 2026 | |
| 23 | Westside Investment Management, Inc. | 3K | $5K | —Held | Q2 2026 | |
| 24 | NewEdge Advisors, LLC | 2K | $3K | —Held | Q2 2026 | |
| 25 | Concord Wealth Partners | 300 | $519 | ▲New +300 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, 3 funds opened a new position in MDAI and 2 added to an existing one, while 1 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 |
|---|---|---|
| Amazon.com IncAMZN | 9 funds | $220.7M |
| Alphabet Inc-CL AGOOGL | 9 funds | $176.8M |
| Microsoft CorpMSFT | 9 funds | $122.2M |
| JPMorgan Chase & CoJPM | 9 funds | $89.1M |
| Meta Platforms Inc-Class AMETA | 9 funds | $88.0M |
| Visa Inc-Class A SharesV | 9 funds | $55.2M |
| ExxonMobil Holdings CorpXOM | 9 funds | $55.0M |
| Dell Technologies -CDELL | 9 funds | $33.0M |
| Apple IncAAPL | 8 funds | $254.8M |
| Nvidia CorpNVDA | 8 funds | $226.2M |
| Advanced Micro DevicesAMD | 8 funds | $101.8M |
| Broadcom IncAVGO | 8 funds | $97.6M |
Ranked by how many of MDAI's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MDAI.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 10, 2024 | DiMaio John Michael | Director, 10% Owner | Buy (P) | 6K | $10K |
| Nov 20, 2023 | DiMaio John Michael | 10% Owner | Buy (P) | 2K | $5K |
| Nov 16, 2023 | DiMaio John Michael | 10% Owner | Buy (P) | 500 | $1K |
| Nov 14, 2023 | DiMaio John Michael | 10% Owner | Buy (P) | 355 | $998 |
| Sep 13, 2023 | DiMaio John Michael | 10% Owner | Buy (P) | 198 | $1K |
| Sep 12, 2023 | DiMaio John Michael | 10% Owner | Buy (P) | 1K | $6K |
| May 21, 2021 | Glazer Capital, Llc | 10% Owner | Sell (S) | 1K | $11K |
| May 6, 2021 | Glazer Paul J | 10% Owner | Sell (S) | 15K | $150K |
| May 5, 2021 | Glazer Paul J | 10% Owner | Sell (S) | 15K | $150K |
| May 4, 2021 | Glazer Paul J | 10% Owner | Sell (S) | 45K | $450K |
| Apr 29, 2021 | Glazer Paul J | 10% Owner | Sell (S) | 1K | $15K |
| Apr 16, 2021 | Glazer Paul J | 10% Owner | Sell (S) | 577 | $6K |
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 | 7 | 5 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
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.
| Class | 13F holders | Value held |
|---|---|---|
| MDAIthis pageCommon Stock | 25 funds | $6.0M |
| MDAIWWTS | 14 funds | $1.2M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for MDAI
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/MDAI/capital-change-brief"
Use Arkolith's capital_change_brief for MDAI. 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 MDAI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.