406 tracked 13F filers disclose a position in MSM as of the latest SEC 13F filings, a combined $4.3B 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $501.3M | 5.4M | ▲+1.7% Added · +91K sh | Q1 2026 | |
| 2 | AMERICAN CENTURY COMPANIES INC | $241.1M | 2.6M | ▼−7.7% Reduced · −219K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $196.8M | 2.1M | →First observed position No prior filed position | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $184.7M | 2.0M | →First observed position No prior filed position | Q1 2026 | |
| 5 | FULLER & THALER ASSET MANAGEMENT, INC. | $224.5M | 1.9M | ▲+5.7% Added · +102K sh | Q2 2026 | |
| 6 | FIRST TRUST ADVISORS LP | $163.6M | 1.8M | ▲+21% Added · +306K sh | Q1 2026 | |
| 7 | Boston Partners | $153.2M | 1.7M | ▼−4.2% Reduced · −73K sh | Q1 2026 | |
| 8 | STATE STREET CORP | $174.1M | 1.5M | ▲+3.7% Added · +53K sh | Q2 2026 | |
| 9 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $128.5M | 1.4M | ▼−18% Reduced · −314K sh | Q1 2026 | |
| 10 | DIMENSIONAL FUND ADVISORS LP | $125.2M | 1.4M | ▲+1.1% Added · +14K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $139.0M | 1.2M | ▲+5.5% Added · +61K sh | Q2 2026 | |
| 12 | VICTORY CAPITAL MANAGEMENT INC | $86.0M | 932K | ▼−5.7% Reduced · −56K sh | Q1 2026 | |
| 13 | Epoch Investment Partners, Inc. | $110.2M | 927K | ▼−5.1% Reduced · −50K sh | Q2 2026 | |
| 14 | MILLENNIUM MANAGEMENT LLC | $67.2M | 729K | ▲+71% Added · +303K sh | Q1 2026 | |
| 15 | NORGES BANK | $59.4M | 706K | ▲+50% Added · +236K sh | Q4 2025 | |
| 16 | MORGAN STANLEY | $56.9M | 616K | ▼−8.1% Reduced · −54K sh | Q1 2026 | |
| 17 | Alberta Investment Management Corp | $67.8M | 570K | ▼−5.3% Reduced · −32K sh | Q2 2026 | |
| 18 | DEPRINCE RACE & ZOLLO INC | $64.3M | 541K | ▼−23% Reduced · −165K sh | Q2 2026 | |
| 19 | NEW SOUTH CAPITAL MANAGEMENT INC | $64.1M | 539K | ▼−6.9% Reduced · −40K sh | Q2 2026 | |
| 20 | Point72 Asset Management, L.P. | $49.0M | 531K | ▲13× Added · +490K sh | Q1 2026 | |
| 21 | Bank of New York Mellon Corp | $44.9M | 487K | ▼−1.0% Reduced · −5K sh | Q1 2026 | |
| 22 | Boston Trust Walden Corp | $44.9M | 487K | ▼−12% Reduced · −66K sh | Q1 2026 | |
| 23 | Allianz Asset Management GmbH | $43.5M | 472K | ▲+53% Added · +164K sh | Q1 2026 | |
| 24 | Quantinno Capital Management LP | $42.6M | 462K | ▼−17% Reduced · −97K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $39.7M | 430K | ▲+9.0% Added · +36K 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, 9 funds opened a new position in MSM and 28 added to an existing one, while 24 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 241 funds | $241.8B |
| NVIDIA CORPNVDA | 235 funds | $351.7B |
| AMAZON.COM INCAMZN | 233 funds | $183.0B |
| ALPHABET INC-CL AGOOGL | 232 funds | $146.4B |
| META PLATFORMS INC-CLASS AMETA | 231 funds | $100.7B |
| JPMORGAN CHASE & COJPM | 228 funds | $57.7B |
| APPLE INCAAPL | 226 funds | $266.3B |
| BROADCOM INCAVGO | 224 funds | $140.7B |
| VISA INC-CLASS A SHARESV | 223 funds | $54.2B |
| CHEVRON CORPCVX | 223 funds | $26.9B |
| CISCO SYSTEMS INCCSCO | 222 funds | $29.8B |
| ALPHABET INC-CL CGOOG | 221 funds | $112.1B |
Ranked by how many of MSM's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 2, 2026 | Seseri Rudina | Director | Sell (S) | 2K | $156K |
| Nov 18, 2025 | JACOBSON MITCHELL | Director, 10% Owner | Buy (P) | 23K | $1.9M |
| Nov 13, 2025 | PELLER PHILIP | Director | Buy (P) | 7K | $601K |
| Nov 3, 2025 | JACOBSON MITCHELL | Director, 10% Owner | Buy (P) | 30K | $2.5M |
| Nov 3, 2025 | JACOBSON MITCHELL | Director, 10% Owner | Buy (P) | 22K | $1.8M |
| Oct 31, 2025 | JACOBSON MITCHELL | Director, 10% Owner | Buy (P) | 34K | $2.9M |
| Oct 30, 2025 | JACOBSON MITCHELL | Director, 10% Owner | Buy (P) | 96K | $8.1M |
| Jul 10, 2025 | Shacklett Kimberly | SVP, Sales & Customer Success | Sell (S) | 2K | $196K |
| Jul 9, 2025 | Shacklett Kimberly | SVP, Sales & Customer Success | Sell (S) | 2K | $193K |
| Jul 3, 2025 | GERSHWIND ERIK | Chief Executive Officer, Director | Sell (S) | 2K | $179K |
| Jul 3, 2025 | PELLER PHILIP | Director | Sell (S) | 2K | $180K |
| Apr 8, 2025 | JACOBSON MITCHELL | Director, 10% Owner | Buy (P) | 28K | $1.9M |
Connected entities for MSM
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/MSM/capital-change-brief"
Use Arkolith's capital_change_brief for MSM. 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 MSM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.