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 WOOF 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/WOOF"
Use Arkolith to show who owns WOOF, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CANADA PENSION PLAN INVESTMENT BOARD | $166.1M | 59.8M | —Held | Q1 2026 | |
| 2 | DIMENSIONAL FUND ADVISORS LP | $28.1M | 10.1M | ▲+6.9% Added · +656K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $24.2M | 8.6M | ▲+2.5% Added · +209K sh | Q4 2025 | |
| 4 | BlackRock, Inc. | $22.8M | 8.2M | ▲+1.4% Added · +117K sh | Q1 2026 | |
| 5 | Long Focus Capital Management, LLC | $22.3M | 8.0M | ▲+3.1% Added · +245K sh | Q1 2026 | |
| 6 | TWO SIGMA INVESTMENTS, LP | $16.6M | 6.0M | ▲+105% Added · +3.1M sh | Q1 2026 | |
| 7 | Holocene Advisors, LP | $16.0M | 5.8M | ▼−20% Reduced · −1.4M sh | Q1 2026 | |
| 8 | FMR LLC | $11.5M | 4.1M | ▼−6.2% Reduced · −275K sh | Q1 2026 | |
| 9 | Nuveen, LLC | $11.2M | 4.0M | ▲+1.1% Added · +45K sh | Q1 2026 | |
| 10 | Cresset Asset Management, LLC | $10.7M | 3.9M | ▲+54% Added · +1.3M sh | Q1 2026 | |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | $9.7M | 3.5M | ▲New +3.5M sh | Q1 2026 | |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6.9M | 2.5M | ▼−5.1% Reduced · −133K sh | Q1 2026 | |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | $6.9M | 2.5M | ▲New +2.5M sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $6.7M | 2.4M | ▲+6.6% Added · +151K sh | Q1 2026 | |
| 15 | STATE STREET CORP | $5.8M | 2.1M | ▲+1.3% Added · +26K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $5.5M | 2.0M | ▲+47% Added · +637K sh | Q1 2026 | |
| 17 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $5.4M | 1.9M | ▼−9.0% Reduced · −193K sh | Q1 2026 | |
| 18 | AQR CAPITAL MANAGEMENT LLC | $4.6M | 1.7M | ▼−11% Reduced · −212K sh | Q1 2026 | |
| 19 | JPMORGAN CHASE & CO | $4.5M | 1.7M | ▲+70% Added · +692K sh | Q1 2026 | |
| 20 | Hillsdale Investment Management Inc. | $3.9M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 21 | Connor, Clark & Lunn Investment Management Ltd. | $3.5M | 1.3M | ▼−6.2% Reduced · −85K sh | Q1 2026 | |
| 22 | Empowered Funds, LLC | $3.2M | 1.2M | ▼−12% Reduced · −163K sh | Q1 2026 | |
| 23 | JANE STREET GROUP, LLC | $2.6M | 921K | ▲+15% Added · +123K sh | Q1 2026 | |
| 24 | Summit Trail Advisors, LLC | $2.1M | 764K | ▲+1.5% Added · +11K sh | Q1 2026 | |
| 25 | Point72 Asset Management, L.P. | $2.0M | 725K | ▲+115% Added · +388K 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 |
|---|---|---|---|---|---|
| Mar 13, 2026 | Venezia Patrick J | Chief Revenue Officer | Option exercise (M) | 59K | $0 |
| Mar 13, 2026 | Anderson Joel D | Chief Executive Officer, Director | Other (J) | 1.6M | $5.5M |
| Mar 13, 2026 | Venezia Patrick J | Chief Revenue Officer | Sell (S) | 102K | $349K |
| Mar 13, 2026 | Venezia Patrick J | Chief Revenue Officer | Option exercise (M) | 59K | $145K |
| Mar 4, 2026 | Romanko Michael | See Remarks | Tax withholding (F) | 130K | $345K |
| Mar 4, 2026 | May Holly | Chief Human Resources Officer | Tax withholding (F) | 20K | $52K |
| Mar 4, 2026 | Insana Giovanni | See Remarks | Tax withholding (F) | 24K | $64K |
| Mar 4, 2026 | SIMMONS SABRINA | Chief Financial Officer | Tax withholding (F) | 66K | $174K |
| Mar 4, 2026 | SIMMONS SABRINA | Chief Financial Officer | Tax withholding (F) | 125K | $331K |
| Mar 4, 2026 | Venezia Patrick J | Chief Revenue Officer | Tax withholding (F) | 33K | $87K |
| Feb 17, 2026 | May Holly | Chief Human Resources Officer | Grant (A) | 132K | $0 |
| Feb 17, 2026 | Anderson Joel D | Chief Executive Officer, Director | Grant (A) | 2.1M | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 61 funds | $20.9B |
| AMAZON.COM INCAMZN | 60 funds | $19.5B |
| ALPHABET INC-CL AGOOGL | 59 funds | $14.3B |
| BROADCOM INCAVGO | 59 funds | $12.0B |
| META PLATFORMS INC-CLASS AMETA | 59 funds | $10.5B |
| NVIDIA CORPNVDA | 58 funds | $35.6B |
| ELI LILLY & COLLY | 58 funds | $5.6B |
| SALESFORCE INCCRM | 58 funds | $1.4B |
| JPMORGAN CHASE & COJPM | 57 funds | $7.0B |
| VISA INC-CLASS A SHARESV | 57 funds | $4.6B |
| ADVANCED MICRO DEVICESAMD | 57 funds | $2.5B |
| NETFLIX INCNFLX | 57 funds | $2.5B |
Ranked by how many of WOOF'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 WOOF. 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.