145 tracked 13F filers disclose a position in WMK as of the latest SEC 13F filings, a combined $717.7M 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 | DIMENSIONAL FUND ADVISORS LP | $137.2M | 2.0M | ▼−0.2% Reduced · −4K sh | Q1 2026 | |
| 2 | BlackRock, Inc. | $76.4M | 1.1M | ▲+2.6% Added · +28K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $57.8M | 845K | →First observed position No prior filed position | Q1 2026 | |
| 4 | AMERICAN CENTURY COMPANIES INC | $43.6M | 637K | ▲+8.9% Added · +52K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $38.0M | 556K | →First observed position No prior filed position | Q1 2026 | |
| 6 | STATE STREET CORP | $26.9M | 394K | ▼−8.2% Reduced · −35K sh | Q1 2026 | |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $19.7M | 288K | ▼−12% Reduced · −40K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $19.5M | 285K | ▲+2.1% Added · +6K sh | Q1 2026 | |
| 9 | Bank of New York Mellon Corp | $18.6M | 272K | ▲+0.6% Added · +2K sh | Q1 2026 | |
| 10 | GOLDMAN SACHS GROUP INC | $16.5M | 241K | ▲+32% Added · +59K sh | Q1 2026 | |
| 11 | Allianz Asset Management GmbH | $16.2M | 237K | ▲+3.4% Added · +8K sh | Q1 2026 | |
| 12 | TWO SIGMA INVESTMENTS, LP | $15.6M | 229K | ▲+32% Added · +56K sh | Q1 2026 | |
| 13 | MORGAN STANLEY | $13.8M | 202K | ▼−2.1% Reduced · −4K sh | Q1 2026 | |
| 14 | MILLENNIUM MANAGEMENT LLC | $13.2M | 193K | ▼−26% Reduced · −69K sh | Q1 2026 | |
| 15 | Qube Research & Technologies Ltd | $13.1M | 191K | ▼−7.1% Reduced · −15K sh | Q1 2026 | |
| 16 | RENAISSANCE TECHNOLOGIES LLC | $12.1M | 176K | ▼−8.6% Reduced · −17K sh | Q1 2026 | |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $11.8M | 172K | ▲23× Added · +165K sh | Q1 2026 | |
| 18 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $10.7M | 157K | ▲+12% Added · +17K sh | Q1 2026 | |
| 19 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | $10.1M | 147K | ▼−2.0% Reduced · −3K sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $8.3M | 122K | ▲+5.0% Added · +6K sh | Q1 2026 | |
| 21 | Empowered Funds, LLC | $8.2M | 120K | ▲New +120K sh | Q1 2026 | |
| 22 | UBS Group AG | $8.0M | 117K | ▼−41% Reduced · −81K sh | Q1 2026 | |
| 23 | TUDOR INVESTMENT CORP ET AL | $7.9M | 115K | ▲+24% Added · +22K sh | Q1 2026 | |
| 24 | CITADEL ADVISORS LLC | $7.3M | 107K | ▲New +107K sh | Q1 2026 | |
| 25 | JANE STREET GROUP, LLC | $7.0M | 102K | ▼−40% Reduced · −69K 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, 10 funds opened a new position in WMK and 24 added to an existing one, while 14 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 | 49 funds | $20.8B |
| AMAZON.COM INCAMZN | 49 funds | $16.7B |
| COSTCO WHOLESALE CORPCOST | 49 funds | $3.9B |
| NVIDIA CORPNVDA | 48 funds | $32.7B |
| ALPHABET INC-CL CGOOG | 48 funds | $9.5B |
| ELI LILLY & COLLY | 48 funds | $5.7B |
| VISA INC-CLASS A SHARESV | 48 funds | $4.3B |
| ADVANCED MICRO DEVICESAMD | 48 funds | $3.7B |
| WALMART INCWMT | 48 funds | $3.4B |
| HOME DEPOT INCHD | 48 funds | $3.0B |
| RTX CORPRTX | 48 funds | $2.7B |
| LAM RESEARCH CORPLRCX | 48 funds | $2.6B |
Ranked by how many of WMK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Nov 7, 2025 | Gleeson Robert G. | Chief Operating Officer | Buy (P) | 500 | $33K |
| Jun 6, 2025 | Weis Patricia G. Ross | 10% Owner | Sell (S) | 232K | $15.1M |
| Jun 6, 2025 | Weis Patricia G. Ross | 10% Owner | Sell (S) | 1.9M | $124.9M |
| Jun 6, 2025 | Patricia R. Weis Marital Trust | 10% Owner | Sell (S) | 1.9M | $124.9M |
| May 13, 2024 | Gleeson Robert G. | SVP, Merchandising & Marketing | Buy (P) | 100 | $7K |
| May 10, 2024 | Lauth Edward John III | Director | Buy (P) | 2K | $99K |
| Dec 14, 2023 | Gleeson Robert G. | SVP, Merchandising & Marketing | Buy (P) | 300 | $19K |
| May 31, 2023 | Schertle Kurt A | Chief Operating Officer | Buy (P) | 2K | $119K |
| Dec 9, 2021 | Lockard Michael T | SVP, CFO and Treasurer | Buy (P) | 3K | $183K |
| Nov 9, 2021 | Gleeson Robert G. | SVP, Merchandising & Marketing | Buy (P) | 100 | $6K |
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/WMK/capital-change-brief"
Use Arkolith's capital_change_brief for WMK. 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 WMK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.