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 JHX 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/JHX"
Use Arkolith to show who owns JHX, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | D1 Capital Partners L.P. | $536.0M | 28.3M | ▲+16% Added · +3.9M sh | Q1 2026 | |
| 2 | Alyeska Investment Group, L.P. | $147.4M | 7.8M | ▲+51% Added · +2.6M sh | Q1 2026 | |
| 3 | Point72 Asset Management, L.P. | $118.9M | 6.3M | ▼−14% Reduced · −1.0M sh | Q1 2026 | |
| 4 | Hill City Capital, LP | $106.5M | 5.6M | ▲+9.8% Added · +502K sh | Q1 2026 | |
| 5 | Phoenix Financial Ltd. | $103.2M | 5.4M | ▼−1.2% Reduced · −68K sh | Q1 2026 | |
| 6 | Slate Path Capital LP | $101.6M | 5.4M | —Held | Q1 2026 | |
| 7 | CITADEL ADVISORS LLC | $93.6M | 4.9M | ▼−35% Reduced · −2.7M sh | Q1 2026 | |
| 8 | JACOBS LEVY EQUITY MANAGEMENT, INC | $78.2M | 4.1M | ▲+10% Added · +391K sh | Q1 2026 | |
| 9 | Schonfeld Strategic Advisors LLC | $63.8M | 3.4M | ▲+229% Added · +2.3M sh | Q1 2026 | |
| 10 | Holocene Advisors, LP | $44.0M | 2.3M | ▲24× Added · +2.2M sh | Q1 2026 | |
| 11 | Stephens Investment Management Group LLC | $40.1M | 2.1M | ▼−0.4% Reduced · −8K sh | Q1 2026 | |
| 12 | Merewether Investment Management, LP | $37.1M | 2.0M | ▲+123% Added · +1.1M sh | Q1 2026 | |
| 13 | Kinetic Partners Management, LP | $32.4M | 1.7M | ▲+35% Added · +442K sh | Q1 2026 | |
| 14 | Woodline Partners LP | $32.0M | 1.7M | ▲+5.3% Added · +85K sh | Q1 2026 | |
| 15 | STATE STREET CORP | $28.3M | 1.5M | ▲+2.6% Added · +39K sh | Q1 2026 | |
| 16 | DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | $19.9M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 17 | Calamos Advisors LLC | $18.8M | 993K | ▲+26% Added · +208K sh | Q1 2026 | |
| 18 | FRONTIER CAPITAL MANAGEMENT CO LLC | $12.8M | 674K | ▲+31% Added · +160K sh | Q1 2026 | |
| 19 | BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp | $12.4M | 653K | ▲New +653K sh | Q1 2026 | |
| 20 | MOORE CAPITAL MANAGEMENT, LP | $12.2M | 645K | ▼−37% Reduced · −373K sh | Q1 2026 | |
| 21 | OCCUDO QUANTITATIVE STRATEGIES LP | $11.9M | 569K | ▲+280% Added · +420K sh | Q1 2026 | |
| 22 | Gotham Asset Management, LLC | $9.1M | 482K | ▼−1.1% Reduced · −5K sh | Q1 2026 | |
| 23 | SEGALL BRYANT & HAMILL, LLC | $8.0M | 420K | ▲+20% Added · +69K sh | Q1 2026 | |
| 24 | Trexquant Investment LP | $7.7M | 406K | ▲New +406K sh | Q1 2026 | |
| 25 | TUDOR INVESTMENT CORP ET AL | $6.9M | 367K | —Held | 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 |
|---|---|---|---|---|---|
| Jun 16, 2026 | Lada Ryan | CFO | Option exercise (M) | 8K | $188K |
| Jun 16, 2026 | Lada Ryan | CFO | Option exercise (M) | 8K | $188K |
| Jun 16, 2026 | Lada Ryan | CFO | Tax withholding (F) | 7K | $191K |
| Jun 15, 2026 | Hendrickson Gary E | Director | Grant (A) | 2K | $0 |
| Jun 15, 2026 | Singh Jesse G | Director | Grant (A) | 1K | $0 |
| Jun 15, 2026 | Beastrom Timothy | Chief Legal Officer | Grant (A) | 7K | $0 |
| Jun 15, 2026 | Beastrom Timothy | Chief Legal Officer | Grant (A) | 9K | $0 |
| Jun 15, 2026 | Lada Ryan | CFO | Grant (A) | 11K | $0 |
| Jun 15, 2026 | Lada Ryan | CFO | Grant (A) | 14K | $0 |
| Jun 15, 2026 | Kilcullen Ryan | Chief Operations Officer | Grant (A) | 8K | $0 |
| Jun 15, 2026 | Kilcullen Ryan | Chief Operations Officer | Grant (A) | 10K | $0 |
| Jun 15, 2026 | Skelly Jonathan | Pres. James Hardie NA | Grant (A) | 11K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| META PLATFORMS INC-CLASS AMETA | 103 funds | $18.2B |
| MICROSOFT CORPMSFT | 102 funds | $35.1B |
| AMAZON.COM INCAMZN | 102 funds | $32.3B |
| NVIDIA CORPNVDA | 101 funds | $53.5B |
| ALPHABET INC-CL AGOOGL | 100 funds | $22.2B |
| BROADCOM INCAVGO | 97 funds | $18.8B |
| ARISTA NETWORKS INCANET | 96 funds | $3.1B |
| NETFLIX INCNFLX | 94 funds | $5.8B |
| CAPITAL ONE FINANCIAL CORPCOF | 94 funds | $2.5B |
| SPOTIFY TECHNOLOGY SASPOT | 94 funds | $2.4B |
| VISA INC-CLASS A SHARESV | 93 funds | $7.7B |
| COSTCO WHOLESALE CORPCOST | 93 funds | $6.3B |
Ranked by how many of JHX'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 JHX. 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.