The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query WDFC owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/WDFC"
Use Arkolith to show who owns WDFC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $211.7M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 2 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | $129.4M | 634K | ▲+20% Added · +107K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $107.4M | 526K | ▲+1.3% Added · +7K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $83.1M | 407K | ▲+0.6% Added · +2K sh | Q1 2026 | |
| 5 | GENEVA CAPITAL MANAGEMENT LLC | $57.6M | 282K | ▲+19% Added · +45K sh | Q1 2026 | |
| 6 | Conestoga Capital Advisors, LLC | $38.8M | 190K | ▼−36% Reduced · −107K sh | Q1 2026 | |
| 7 | VANGUARD FIDUCIARY TRUST CO | $19.1M | 94K | ▲New +94K sh | Q1 2026 | |
| 8 | JACOBS LEVY EQUITY MANAGEMENT, INC | $13.8M | 68K | ▼−16% Reduced · −13K sh | Q1 2026 | |
| 9 | CITADEL ADVISORS LLC | $11.6M | 57K | ▲+717% Added · +50K sh | Q1 2026 | |
| 10 | PUBLIC SECTOR PENSION INVESTMENT BOARD | $9.8M | 48K | ▲+3.0% Added · +1K sh | Q1 2026 | |
| 11 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $7.5M | 37K | ▼−32% Reduced · −18K sh | Q1 2026 | |
| 12 | TEACHER RETIREMENT SYSTEM OF TEXAS | $7.0M | 34K | ▲+5.3% Added · +2K sh | Q1 2026 | |
| 13 | Vest Financial, LLC | $6.4M | 31K | ▲+48% Added · +10K sh | Q1 2026 | |
| 14 | Man Group plc | $5.7M | 28K | ▼−10% Reduced · −3K sh | Q1 2026 | |
| 15 | CRAWFORD INVESTMENT COUNSEL INC | $4.4M | 21K | ▲+16% Added · +3K sh | Q1 2026 | |
| 16 | CAPITAL FUND MANAGEMENT S.A. | $4.2M | 21K | ▼−34% Reduced · −11K sh | Q1 2026 | |
| 17 | Point72 Asset Management, L.P. | $3.7M | 18K | ▼−29% Reduced · −8K sh | Q1 2026 | |
| 18 | FMR LLC | $3.2M | 16K | ▲+20% Added · +3K sh | Q1 2026 | |
| 19 | Jefferies Financial Group Inc. | $2.8M | 14K | ▼−30% Reduced · −6K sh | Q1 2026 | |
| 20 | Texas Yale Capital Corp. | $2.4M | 12K | —Held | Q1 2026 | |
| 21 | INTECH INVESTMENT MANAGEMENT LLC | $2.0M | 10K | ▼−36% Reduced · −5K sh | Q1 2026 | |
| 22 | EXCHANGE TRADED CONCEPTS, LLC | $2.0M | 10K | ▲+0.2% Added · +22 sh | Q1 2026 | |
| 23 | State of New Jersey Common Pension Fund D | $1.9M | 9K | ▼−14% Reduced · −2K sh | Q1 2026 | |
| 24 | New Age Alpha Advisors, LLC | $1.9M | 9K | ▼−4.1% Reduced · −400 sh | Q1 2026 | |
| 25 | Universal- Beteiligungs- und Servicegesellschaft mbH | $1.5M | 7K | ▲New +7K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 18, 2026 | Plunk Ken Allen | Director | Grant (A) | 515 | — |
| Feb 5, 2026 | PENDARVIS DAVID | Director | Buy (P) | 424 | $105K |
| Dec 12, 2025 | Magee Edward O Jr | Director | Grant (A) | 612 | — |
| Dec 12, 2025 | Etchart Eric | Director | Grant (A) | 367 | — |
| Dec 12, 2025 | Etchart Eric | Director | Grant (A) | 612 | — |
| Dec 12, 2025 | Burks Cynthia | Director | Grant (A) | 612 | — |
| Dec 12, 2025 | Monteagudo Graciela | Director | Grant (A) | 612 | — |
| Dec 12, 2025 | Saunders Anne | Director | Grant (A) | 612 | — |
| Dec 12, 2025 | Lee Lara L | Director | Grant (A) | 612 | — |
| Dec 12, 2025 | PENDARVIS DAVID | Director | Grant (A) | 612 | — |
| Dec 12, 2025 | CARTER DANIEL T | Director | Grant (A) | 612 | — |
| Oct 30, 2025 | Etchart Eric | Director | Buy (P) | 500 | $97K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 115 funds | $47.5B |
| NVIDIA CORPNVDA | 112 funds | $64.8B |
| ALPHABET INC-CL AGOOGL | 112 funds | $30.8B |
| APPLE INCAAPL | 111 funds | $55.4B |
| AMAZON.COM INCAMZN | 111 funds | $37.6B |
| COSTCO WHOLESALE CORPCOST | 111 funds | $8.4B |
| ALPHABET INC-CL CGOOG | 110 funds | $21.5B |
| ELI LILLY & COLLY | 110 funds | $12.2B |
| META PLATFORMS INC-CLASS AMETA | 109 funds | $20.3B |
| MASTERCARD INC - AMA | 109 funds | $9.5B |
| JPMORGAN CHASE & COJPM | 108 funds | $15.5B |
| TESLA INCTSLA | 108 funds | $14.5B |
Ranked by how many of WDFC's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for WDFC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.