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 PYXS 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/PYXS"
Use Arkolith to show who owns PYXS, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Laurion Capital Management LP | $7.3M | 5.0M | ▲+4.2% Added · +201K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $3.0M | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $2.7M | 2.3M | ▲+7.9% Added · +172K sh | Q4 2025 | |
| 4 | 683 Capital Management, LLC | $1.3M | 896K | ▲+0.5% Added · +4K sh | Q1 2026 | |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $1.3M | 889K | ▲+22% Added · +160K sh | Q1 2026 | |
| 6 | BlackRock, Inc. | $1.2M | 789K | ▲+0.6% Added · +5K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $874K | 598K | ▲+3.6% Added · +21K sh | Q1 2026 | |
| 8 | Longaeva Partners L.P. | $735K | 503K | —Held | Q1 2026 | |
| 9 | JACOBS LEVY EQUITY MANAGEMENT, INC | $673K | 461K | ▲New +461K sh | Q1 2026 | |
| 10 | MILLENNIUM MANAGEMENT LLC | $581K | 398K | ▼−46% Reduced · −345K sh | Q1 2026 | |
| 11 | MARSHALL WACE, LLP | $517K | 354K | ▼−9.1% Reduced · −35K sh | Q1 2026 | |
| 12 | JANE STREET GROUP, LLC | $445K | 304K | ▼−61% Reduced · −482K sh | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $439K | 301K | ▲New +301K sh | Q1 2026 | |
| 14 | UBS Group AG | $371K | 254K | ▼−35% Reduced · −139K sh | Q1 2026 | |
| 15 | STATE STREET CORP | $363K | 249K | ▲+3.0% Added · +7K sh | Q1 2026 | |
| 16 | XTX Topco Ltd | $292K | 200K | ▼−31% Reduced · −89K sh | Q1 2026 | |
| 17 | Bank of New York Mellon Corp | $196K | 134K | ▼−19% Reduced · −31K sh | Q1 2026 | |
| 18 | NewEdge Wealth, LLC | $169K | 116K | —Held | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $149K | 102K | —Held | Q1 2026 | |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $119K | 81K | ▲+12% Added · +9K sh | Q1 2026 | |
| 21 | TWO SIGMA INVESTMENTS, LP | $107K | 73K | ▼−31% Reduced · −32K sh | Q1 2026 | |
| 22 | MORGAN STANLEY | $102K | 70K | ▼−22% Reduced · −20K sh | Q1 2026 | |
| 23 | PANAGORA ASSET MANAGEMENT INC | $101K | 69K | ▲New +69K sh | Q1 2026 | |
| 24 | CITADEL ADVISORS LLC | $89K | 61K | ▼−75% Reduced · −182K sh | Q1 2026 | |
| 25 | STIFEL FINANCIAL CORP | $74K | 51K | ▲New +51K 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 24, 2026 | Dupont Jakob | Director | Grant (A) | 46K | $0 |
| Mar 24, 2026 | Metzger Michael A | Director | Grant (A) | 46K | $0 |
| Mar 24, 2026 | FLAVIN JOHN L | Director | Grant (A) | 46K | $0 |
| Mar 24, 2026 | Wadhane Jitendra | Prin Fin & Acct Officer | Grant (A) | 109K | $0 |
| Mar 24, 2026 | Wadhane Jitendra | Prin Fin & Acct Officer | Grant (A) | 263K | $0 |
| Mar 24, 2026 | Palani Santhosh | Director | Grant (A) | 46K | $0 |
| Mar 24, 2026 | HUMPHREY RACHEL | Director | Grant (A) | 46K | $0 |
| Mar 24, 2026 | Cline Darren S | Director | Grant (A) | 46K | $0 |
| Mar 24, 2026 | Lewis-Hall Freda C | Director | Grant (A) | 46K | $0 |
| Feb 3, 2026 | Civik Thomas | Interim CEO, Director | Grant (A) | 690K | $0 |
| Apr 21, 2025 | HUMPHREY RACHEL | Director | Sell (S) | 14K | $14K |
| Apr 17, 2025 | HUMPHREY RACHEL | Director | Sell (S) | 200 | $194 |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 17 funds | $5.8B |
| MICROSOFT CORPMSFT | 17 funds | $5.5B |
| BROADCOM INCAVGO | 17 funds | $4.0B |
| ALPHABET INC-CL CGOOG | 17 funds | $3.4B |
| ELI LILLY & COLLY | 17 funds | $1.4B |
| EXXON MOBIL CORPXOM | 17 funds | $1.3B |
| SANDISK CORPSNDK | 17 funds | $1.1B |
| BOOKING HOLDINGS INCBKNG | 17 funds | $1.0B |
| PALANTIR TECHNOLOGIES INC-APLTR | 17 funds | $1.0B |
| NETFLIX INCNFLX | 17 funds | $777.7M |
| BRISTOL-MYERS SQUIBB COBMY | 17 funds | $555.8M |
| WESTERN DIGITAL CORPWDC | 17 funds | $504.6M |
Ranked by how many of PYXS'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 PYXS. 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.