Among active 13F managers last quarter, 2 opened and 28 added, while 26 reduced; the largest holder to move was Fuller & Thaler Asset Management, Inc. (−5.1%). Over the last 180 days, 5 insiders sold and 1 insider bought, a net -$3.0M in open-market trades.
The legs disagree, or only one of them leans.
379 tracked 13F filers disclose a position in MWA as of the latest SEC 13F filings, a combined $3.8B 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. | 25.7M | $663.5M | ▲+2.2% Added · +552K sh | Q2 2026 | |
| 2 | Vanguard Portfolio Management LLC | 11.6M | $298.9M | ▲+2.0% Added · +223K sh | Q2 2026 | |
| 3 | Vanguard Capital Management LLC | 7.0M | $181.7M | ▲+0.2% Added · +16K sh | Q2 2026 | |
| 4 | State Street Corp | 6.3M | $163.5M | ▲+1.6% Added · +98K sh | Q2 2026 | |
| 5 | First Trust Advisors LP | 6.0M | $165.9M | ▲+34% Added · +1.5M sh | Q1 2026 | |
| 6 | Geode Capital Management, LLC | 5.0M | $129.9M | ▲+8.0% Added · +371K sh | Q2 2026 | |
| 7 | Fuller & Thaler Asset Management, Inc. | 4.9M | $126.7M | ▼−5.1% Reduced · −262K sh | Q2 2026 | |
| 8 | Fiduciary Management Inc | 4.2M | $114.3M | ▲+31% Added · +991K sh | Q1 2026 | |
| 9 | Dimensional Fund Advisors LP | 3.6M | $99.1M | ▼−0.3% Reduced · −10K sh | Q1 2026 | |
| 10 | Franklin Templeton Inc | 3.4M | $92.8M | ▲+4.2% Added · +136K sh | Q1 2026 | |
| 11 | Impax Asset Management Group plc | 3.0M | $76.6M | ▲+0.7% Added · +19K sh | Q2 2026 | |
| 12 | American Century Companies Inc | 2.9M | $79.0M | ▲+38% Added · +796K sh | Q1 2026 | |
| 13 | Principal Financial Group Inc | 2.8M | $77.5M | ▼−14% Reduced · −443K sh | Q1 2026 | |
| 14 | Gamco Investors, Inc. Et Al | 2.5M | $70.1M | ▼−0.6% Reduced · −17K sh | Q1 2026 | |
| 15 | Amundi | 2.3M | $62.2M | ▼−3.8% Reduced · −90K sh | Q1 2026 | |
| 16 | Morgan Stanley | 2.2M | $59.6M | ▲+5.3% Added · +109K sh | Q1 2026 | |
| 17 | Janus Henderson Group Ltd. | 1.9M | $53.2M | ▲+59% Added · +715K sh | Q1 2026 | |
| 18 | Charles Schwab Investment Management Inc | 1.9M | $51.0M | ▼−0.8% Reduced · −14K sh | Q1 2026 | |
| 19 | Nuveen, LLC | 1.8M | $49.8M | ▼−5.9% Reduced · −113K sh | Q1 2026 | |
| 20 | Northern Trust Corp | 1.6M | $43.6M | ▲+0.2% Added · +3K sh | Q1 2026 | |
| 21 | Mirae Asset Global Etfs Holdings Ltd. | 1.5M | $41.5M | ▲+13% Added · +173K sh | Q1 2026 | |
| 22 | Federated Hermes, Inc. | 1.5M | $40.2M | ▲+4.8% Added · +67K sh | Q1 2026 | |
| 23 | Balyasny Asset Management L.P. | 1.3M | $36.0M | ▲+100% Added · +656K sh | Q1 2026 | |
| 24 | Allianz Asset Management GmbH | 1.2M | $32.1M | ▼−25% Reduced · −392K sh | Q1 2026 | |
| 25 | Vanguard Fiduciary Trust Co | 1.1M | $29.1M | ▲+3.5% Added · +38K 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 MWA and 28 added to an existing one, while 26 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 | 221 funds | $237.8B |
| Nvidia CorpNVDA | 217 funds | $371.4B |
| Amazon.com IncAMZN | 214 funds | $183.7B |
| Eli Lilly & CoLLY | 212 funds | $79.3B |
| Alphabet Inc-CL AGOOGL | 210 funds | $163.6B |
| Meta Platforms Inc-Class AMETA | 210 funds | $102.8B |
| JPMorgan Chase & CoJPM | 210 funds | $57.0B |
| Apple IncAAPL | 209 funds | $270.7B |
| Alphabet Inc-CL CGOOG | 206 funds | $119.5B |
| Costco Wholesale CorpCOST | 204 funds | $35.3B |
| Broadcom IncAVGO | 203 funds | $149.7B |
| Micron Technology IncMU | 202 funds | $52.2B |
Ranked by how many of MWA's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MWA.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 1, 2026 | Ortiz Christine | Director | Sell (S) | 550 | $13K |
| Sep 1, 2026 | Helms Todd P | Insider | Sell (S) | 10K | $237K |
| Aug 31, 2026 | Ortiz Christine | Director | Sell (S) | 12K | $292K |
| Aug 26, 2026 | Feyerherm Richelle R. | VP, CAO and Corp. Controller | Sell (S) | 3K | $75K |
| Aug 10, 2026 | McAndrew Paul | President and CEO, Director | Sell (S) | 40K | $1.1M |
| Jul 7, 2026 | Healy Brian C. | Director | Buy (P) | 1K | $30K |
| May 28, 2026 | Zakas Marietta Edmunds | Former Officer and Director, Director | Sell (S) | 54K | $1.4M |
| May 15, 2026 | Healy Brian C. | Director | Buy (P) | 1K | $30K |
| Mar 17, 2026 | Helms Todd P | SVP and CHRO | Sell (S) | 11K | $296K |
| Feb 25, 2026 | Sengstack Gregg C | Director | Buy (P) | 25K | $740K |
| Feb 19, 2026 | Helms Todd P | SVP and CHRO | Sell (S) | 11K | $319K |
| Jan 7, 2026 | Healy Brian C. | Director | Buy (P) | 1K | $27K |
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 | 53 | 41 | – |
Insiders Form 4 open-market | 1 | 5 | -$3.0M |
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 |
|---|---|---|
| MWAthis pagecs | 379 funds | $3.8B |
| 624758207COMMON STOCK | 1 funds | $8 |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for MWA
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/MWA/capital-change-brief"
Use Arkolith's capital_change_brief for MWA. 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 MWA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.