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 HEI/A 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/HEI.A"
Use Arkolith to show who owns HEI/A, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | $1.1B | 5.3M | ▼−0.9% Reduced · −51K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $830.0M | 3.9M | ▲New +3.9M sh | Q1 2026 | |
| 3 | STATE STREET CORP | $380.8M | 1.8M | ▲+3.3% Added · +57K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $302.6M | 1.4M | ▲+2.2% Added · +30K sh | Q1 2026 | |
| 5 | Local Pensions Partnership Investment Ltd | $258.9M | 1.4M | ▲+12% Added · +150K sh | Q1 2026 | |
| 6 | Port Capital LLC | $174.4M | 826K | ▼−4.0% Reduced · −34K sh | Q1 2026 | |
| 7 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | $171.7M | 813K | ▼−8.9% Reduced · −79K sh | Q1 2026 | |
| 8 | DF DENT & CO INC | $164.0M | 777K | ▼−21% Reduced · −211K sh | Q1 2026 | |
| 9 | Maren Capital LLC | $159.9M | 758K | ▲+22% Added · +135K sh | Q1 2026 | |
| 10 | Giverny Capital Inc. | $155.9M | 738K | ▼−2.1% Reduced · −16K sh | Q1 2026 | |
| 11 | GOBI CAPITAL LLC | $129.1M | 611K | ▼−6.3% Reduced · −41K sh | Q1 2026 | |
| 12 | ARISTEIA CAPITAL, L.L.C. | $122.5M | 580K | ▼−35% Reduced · −309K sh | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $94.9M | 450K | ▲New +450K sh | Q1 2026 | |
| 14 | SCHWARTZ INVESTMENT COUNSEL INC | $93.6M | 444K | ▼−2.6% Reduced · −12K sh | Q1 2026 | |
| 15 | Stephens Investment Management Group LLC | $82.8M | 392K | ▼−2.9% Reduced · −12K sh | Q1 2026 | |
| 16 | MARKEL GROUP INC. | $80.1M | 380K | —Held | Q1 2026 | |
| 17 | MANNING & NAPIER ADVISORS LLC | $74.7M | 354K | ▲+56% Added · +127K sh | Q1 2026 | |
| 18 | Investment Management Corp of Ontario | $59.6M | 283K | ▲+0.2% Added · +491 sh | Q1 2026 | |
| 19 | Fiera Capital Corp | $55.5M | 263K | ▼−27% Reduced · −96K sh | Q1 2026 | |
| 20 | EFG International AG | $55.4M | 262K | ▲+25% Added · +52K sh | Q1 2026 | |
| 21 | LOS ANGELES CAPITAL MANAGEMENT LLC | $50.4M | 239K | ▼−31% Reduced · −109K sh | Q1 2026 | |
| 22 | BROWN BROTHERS HARRIMAN & CO | $46.1M | 218K | ▼−4.0% Reduced · −9K sh | Q1 2026 | |
| 23 | DANSKE BANK A/S | $41.5M | 196K | ▲+19% Added · +32K sh | Q1 2026 | |
| 24 | Conestoga Capital Advisors, LLC | $39.2M | 186K | ▼−1.5% Reduced · −3K sh | Q1 2026 | |
| 25 | Vulcan Value Partners, LLC | $37.7M | 178K | ▼−29% Reduced · −72K 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.
No Form 4 insider transactions on file yet.
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HEI.A. 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.