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 SPIR 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/SPIR"
Use Arkolith to show who owns SPIR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | 325 CAPITAL LLC | $23.6M | 1.9M | —Held | Q1 2026 | |
| 2 | BlackRock, Inc. | $21.9M | 1.7M | ▲+4.4% Added · +73K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $14.4M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 4 | VANGUARD GROUP INC | $10.9M | 1.5M | ▲+8.3% Added · +112K sh | Q4 2025 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $9.0M | 717K | ▲+7.0% Added · +47K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $7.2M | 575K | ▲+8.9% Added · +47K sh | Q1 2026 | |
| 7 | STIFEL FINANCIAL CORP | $6.5M | 518K | ▼−1.2% Reduced · −6K sh | Q1 2026 | |
| 8 | AWM Investment Company, Inc. | $5.4M | 429K | ▲+2.5% Added · +11K sh | Q1 2026 | |
| 9 | Nuveen, LLC | $3.8M | 305K | ▲+68% Added · +123K sh | Q1 2026 | |
| 10 | RAYMOND JAMES FINANCIAL INC | $3.6M | 289K | ▼−18% Reduced · −65K sh | Q1 2026 | |
| 11 | JANE STREET GROUP, LLC | $3.6M | 283K | ▲+554% Added · +240K sh | Q1 2026 | |
| 12 | TUDOR INVESTMENT CORP ET AL | $3.3M | 264K | ▲+492% Added · +220K sh | Q1 2026 | |
| 13 | MILLENNIUM MANAGEMENT LLC | $2.9M | 230K | ▲+68% Added · +93K sh | Q1 2026 | |
| 14 | NORTHERN TRUST CORP | $2.8M | 220K | ▲+6.3% Added · +13K sh | Q1 2026 | |
| 15 | VANGUARD FIDUCIARY TRUST CO | $2.6M | 211K | ▲New +211K sh | Q1 2026 | |
| 16 | Jump Financial, LLC | $2.2M | 179K | ▼−0.3% Reduced · −530 sh | Q1 2026 | |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.2M | 173K | ▲New +173K sh | Q1 2026 | |
| 18 | CITADEL ADVISORS LLC | $1.9M | 147K | ▲+606% Added · +126K sh | Q1 2026 | |
| 19 | JPMORGAN CHASE & CO | $1.8M | 151K | ▲+809% Added · +135K sh | Q1 2026 | |
| 20 | TWO SIGMA INVESTMENTS, LP | $1.3M | 102K | ▲+90% Added · +48K sh | Q1 2026 | |
| 21 | GOLDMAN SACHS GROUP INC | $1.2M | 96K | ▲+36% Added · +26K sh | Q1 2026 | |
| 22 | Defiance ETFs, LLC | $1.2M | 96K | ▲New +96K sh | Q1 2026 | |
| 23 | UBS Group AG | $1.0M | 81K | ▼−19% Reduced · −19K sh | Q1 2026 | |
| 24 | ROYAL BANK OF CANADA | $989K | 79K | ▲+9.9% Added · +7K sh | Q1 2026 | |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $986K | 78K | ▼−5.1% Reduced · −4K 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 |
|---|---|---|---|---|---|
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 18K | $0 |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 18K | $129K |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 820 | $6K |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 2K | $16K |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Tax withholding (F) | 14K | $263K |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 554 | $4K |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 820 | $0 |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 554 | $0 |
| Jun 12, 2026 | Condor Theresa | Chief Executive Officer, Director | Option exercise (M) | 2K | $0 |
| May 28, 2026 | Messer Stephen | Director | Grant (A) | 7K | $0 |
| Mar 20, 2026 | Platzer Peter | Executive Chairman, Director | Sell (S) | 2K | $23K |
| Mar 20, 2026 | Condor Theresa | Chief Executive Officer, Director | Sell (S) | 1K | $15K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 35 funds | $10.3B |
| BROADCOM INCAVGO | 35 funds | $6.1B |
| TESLA INCTSLA | 35 funds | $4.2B |
| VISA INC-CLASS A SHARESV | 35 funds | $2.6B |
| CHEVRON CORPCVX | 35 funds | $1.7B |
| ADVANCED MICRO DEVICESAMD | 35 funds | $1.5B |
| LAM RESEARCH CORPLRCX | 35 funds | $1.3B |
| NEWMONT CORPNEM | 35 funds | $695.8M |
| GENERAL MOTORS COGM | 35 funds | $484.9M |
| VISTRA CORPVST | 35 funds | $414.2M |
| VERTIV HOLDINGS CO-AVRT | 35 funds | $405.0M |
| APPLE INCAAPL | 34 funds | $14.8B |
Ranked by how many of SPIR'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 SPIR. 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.