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 NLSN 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/NLSN"
Use Arkolith to show who owns NLSN, which funds added or reduced it, and which SEC filings prove each claim.
Not held in any tracked 13F filing yet.
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 |
|---|---|---|---|---|---|
| Oct 11, 2022 | Rao Karthik | COO | Disposed to issuer (D) | 195K | $0 |
| Oct 11, 2022 | WINDACRE PARTNERSHIP LLC | 10% Owner | Other (J) | 98.2M | $2.7B |
| Oct 11, 2022 | Plaines Stephanie | Director | Disposed to issuer (D) | 14K | $393K |
| Oct 11, 2022 | MILLER JON | Director | Disposed to issuer (D) | 22K | $627K |
| Oct 11, 2022 | Attwood James A Jr | Director | Disposed to issuer (D) | 379K | $10.6M |
| Oct 11, 2022 | Castro Thomas H | Director | Disposed to issuer (D) | 28K | $773K |
| Oct 11, 2022 | Mazza Janice Marinelli | Director | Disposed to issuer (D) | 28K | $773K |
| Oct 11, 2022 | ZALAZNICK LAUREN | Director | Disposed to issuer (D) | 59K | $1.7M |
| Oct 11, 2022 | HOGUET KAREN M | Director | Disposed to issuer (D) | 74K | $2.1M |
| Oct 11, 2022 | Tellem Nancy | Director | Disposed to issuer (D) | 34K | $941K |
| Oct 11, 2022 | De Luca Guerrino | Director | Disposed to issuer (D) | 51K | $1.4M |
| Oct 11, 2022 | Iglesias Henry | Principal Accounting Officer | Disposed to issuer (D) | 15K | $411K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for NLSN. 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.