Among active 13F managers last quarter, 2 opened and 32 added, while 20 reduced; the largest holder to move was American Century Companies Inc (+6.1%). Over the last 180 days, 1 insider sold and none bought, a net -$856K in open-market trades.
The legs disagree, or only one of them leans.
268 tracked 13F filers disclose a position in MD as of the latest SEC 13F filings, a combined $1.9B 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 | BlackRock, Inc. | 13.7M | $347.4M | ▲+1.0% Added · +140K sh | Q2 2026 | |
| 2 | Vanguard Portfolio Management LLC | 6.0M | $151.6M | ▼−2.7% Reduced · −169K sh | Q2 2026 | |
| 3 | American Century Companies Inc | 3.9M | $84.0M | ▲+6.1% Added · +227K sh | Q1 2026 | |
| 4 | Dimensional Fund Advisors LP | 3.9M | $82.5M | ▲+8.1% Added · +288K sh | Q1 2026 | |
| 5 | Victory Capital Management Inc | 3.8M | $82.2M | ▲+0.6% Added · +24K sh | Q1 2026 | |
| 6 | Vanguard Capital Management LLC | 3.6M | $91.7M | ▼−1.0% Reduced · −36K sh | Q2 2026 | |
| 7 | State Street Corp | 3.5M | $89.5M | ▲+4.6% Added · +155K sh | Q2 2026 | |
| 8 | Wasatch Advisors LP | 2.5M | $63.3M | ▲+22% Added · +448K sh | Q2 2026 | |
| 9 | Geode Capital Management, LLC | 2.2M | $56.4M | ▲+1.7% Added · +38K sh | Q2 2026 | |
| 10 | Fuller & Thaler Asset Management, Inc. | 1.7M | $43.6M | ▲+40% Added · +492K sh | Q2 2026 | |
| 11 | D. E. Shaw & Co., Inc. | 1.7M | $36.5M | ▼−7.8% Reduced · −144K sh | Q1 2026 | |
| 12 | Allspring Global Investments Holdings, LLC | 1.6M | $42.3M | ▲+66% Added · +644K sh | Q2 2026 | |
| 13 | Renaissance Technologies LLC | 1.5M | $32.8M | ▲+13% Added · +175K sh | Q1 2026 | |
| 14 | Charles Schwab Investment Management Inc | 1.4M | $30.9M | ▼−7.0% Reduced · −109K sh | Q1 2026 | |
| 15 | Morgan Stanley | 1.3M | $26.8M | ▼−4.1% Reduced · −53K sh | Q1 2026 | |
| 16 | Public Sector Pension Investment Board | 988K | $25.0M | ▲+134% Added · +566K sh | Q2 2026 | |
| 17 | Silvercrest Asset Management Group LLC | 971K | $20.8M | ▼−6.0% Reduced · −62K sh | Q1 2026 | |
| 18 | Nuveen, LLC | 953K | $20.4M | ▼−21% Reduced · −247K sh | Q1 2026 | |
| 19 | Northern Trust Corp | 900K | $19.3M | ▲+3.2% Added · +28K sh | Q1 2026 | |
| 20 | Goldman Sachs Group Inc | 851K | $18.2M | ▲+8.2% Added · +64K sh | Q1 2026 | |
| 21 | AllianceBernstein L.P. | 771K | $16.5M | ▼−5.5% Reduced · −45K sh | Q1 2026 | |
| 22 | Rockefeller Capital Management L.P. | 762K | $16.3M | ▲+28% Added · +168K sh | Q1 2026 | |
| 23 | Bridgeway Capital Management, LLC | 762K | $19.3M | ▲+1.3% Added · +10K sh | Q2 2026 | |
| 24 | FMR LLC | 741K | $18.8M | ▼−67% Reduced · −1.5M sh | Q2 2026 | |
| 25 | Dana Investment Advisors, Inc. | 682K | $17.3M | ▼−6.3% Reduced · −45K 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, 2 funds opened a new position in MD and 32 added to an existing one, while 20 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 |
|---|---|---|
| Microsoft CorpMSFT | 138 funds | $211.9B |
| Alphabet Inc-CL AGOOGL | 136 funds | $147.1B |
| Nvidia CorpNVDA | 135 funds | $340.3B |
| Apple IncAAPL | 135 funds | $248.2B |
| Amazon.com IncAMZN | 135 funds | $165.0B |
| JPMorgan Chase & CoJPM | 135 funds | $50.1B |
| Eli Lilly & CoLLY | 134 funds | $74.7B |
| Micron Technology IncMU | 134 funds | $45.9B |
| Meta Platforms Inc-Class AMETA | 133 funds | $93.7B |
| Lam Research CorpLRCX | 132 funds | $39.8B |
| Costco Wholesale CorpCOST | 132 funds | $31.1B |
| Alphabet Inc-CL CGOOG | 131 funds | $110.1B |
Ranked by how many of MD's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MD.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 13, 2026 | Weis Shirley A | Director | Sell (S) | 36K | $856K |
| Dec 15, 2025 | Ordan Mark S | Chief Executive Officer, Director | Sell (S) | 23K | $515K |
| Nov 17, 2025 | Rucker Michael A. | Director | Sell (S) | 10K | $241K |
| Nov 6, 2025 | Linynsky Laura A | Director | Sell (S) | 10K | $217K |
| Nov 13, 2024 | Ordan Mark S | Director | Sell (S) | 28K | $424K |
| Nov 8, 2024 | Moore Mary Ann E | EVP, GC, Chief Admin Off & Sec | Sell (S) | 8K | $130K |
| Aug 30, 2024 | Swift James D | Chief Executive Officer, Director | Sell (S) | 11K | $120K |
| Aug 27, 2024 | Linynsky Laura A | Director | Sell (S) | 7K | $78K |
| Aug 12, 2024 | Richards C Marc | EVP, Chief Financial Officer | Sell (S) | 17K | $176K |
| Aug 9, 2024 | Richards C Marc | EVP, Chief Financial Officer | Sell (S) | 33K | $328K |
| Dec 14, 2023 | Swift James D | Chief Executive Officer, Director | Sell (S) | 6K | $55K |
| Dec 14, 2023 | Moore Mary Ann E | EVP, General Counsel & Sec | Sell (S) 2 lots, same day | 2K | $20K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
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 | 54 | 40 | – |
Insiders Form 4 open-market | 0 | 1 | -$856K |
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 MD
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/MD/capital-change-brief"
Use Arkolith's capital_change_brief for MD. 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 MD. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.