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 SPRB 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/SPRB"
Use Arkolith to show who owns SPRB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | MILLENNIUM MANAGEMENT LLC | $7.3M | 112K | ▲New +112K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $4.6M | 70K | —Held | Q1 2026 | |
| 3 | ADAR1 Capital Management, LLC | $3.8M | 59K | ▲+1.0% Added · +600 sh | Q1 2026 | |
| 4 | Alyeska Investment Group, L.P. | $3.4M | 52K | —Held | Q1 2026 | |
| 5 | BOOTHBAY FUND MANAGEMENT, LLC | $2.7M | 42K | ▼−12% Reduced · −6K sh | Q1 2026 | |
| 6 | BALYASNY ASSET MANAGEMENT L.P. | $2.6M | 40K | —Held | Q1 2026 | |
| 7 | Quinn Opportunity Partners LLC | $1.8M | 27K | ▲+18% Added · +4K sh | Q1 2026 | |
| 8 | VANGUARD GROUP INC | $1.6M | 18K | ▲New +18K sh | Q4 2025 | |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | $1.2M | 18K | ▲New +18K sh | Q1 2026 | |
| 10 | BlackRock, Inc. | $1.1M | 17K | —Held | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $843K | 13K | ▲+1.2% Added · +157 sh | Q1 2026 | |
| 12 | STEMPOINT CAPITAL LP | $416K | 6K | ▲New +6K sh | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $360K | 6K | ▲New +6K sh | Q1 2026 | |
| 14 | GOLDMAN SACHS GROUP INC | $360K | 6K | ▲New +6K sh | Q1 2026 | |
| 15 | STATE STREET CORP | $353K | 5K | ▼−16% Reduced · −1K sh | Q1 2026 | |
| 16 | UBS Group AG | $256K | 4K | ▼−20% Reduced · −983 sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $92K | 1K | ▲+265% Added · +1K sh | Q1 2026 | |
| 18 | CITIGROUP INC | $61K | 939 | ▲New +939 sh | Q1 2026 | |
| 19 | Sound Income Strategies, LLC | $14K | 200 | —Held | Q1 2026 | |
| 20 | JONES FINANCIAL COMPANIES LLLP | $12K | 193 | ▲+130% Added · +109 sh | Q1 2026 | |
| 21 | Tower Research Capital LLC (TRC) | $9K | 140 | ▲140× Added · +139 sh | Q1 2026 | |
| 22 | Cassaday & Co Wealth Management LLC | $130 | 2 | ▲New +2 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 9, 2026 | Hooks Corwin Dale | Chief Commercial Officer | Grant (A) | 11K | $0 |
| Dec 31, 2025 | Szwarcberg Javier B. | CHIEF EXECUTIVE OFFICER, Director | Grant (A) | 5K | $21K |
| Dec 15, 2025 | Szwarcberg Javier B. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 1K | $0 |
| Dec 15, 2025 | Szwarcberg Javier B. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 1K | $0 |
| Dec 15, 2025 | Gharib Samir M. | PRESIDENT AND CFO | Option exercise (M) | 496 | $0 |
| Dec 15, 2025 | Gharib Samir M. | PRESIDENT AND CFO | Option exercise (M) | 513 | $0 |
| Dec 15, 2025 | Szwarcberg Javier B. | CHIEF EXECUTIVE OFFICER, Director | Tax withholding (F) | 752 | $61K |
| Dec 15, 2025 | Gharib Samir M. | PRESIDENT AND CFO | Option exercise (M) | 513 | $0 |
| Dec 15, 2025 | Gharib Samir M. | PRESIDENT AND CFO | Tax withholding (F) | 178 | $14K |
| Dec 15, 2025 | Gharib Samir M. | PRESIDENT AND CFO | Option exercise (M) | 496 | $0 |
| Dec 15, 2025 | Szwarcberg Javier B. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 1K | $0 |
| Dec 15, 2025 | Szwarcberg Javier B. | CHIEF EXECUTIVE OFFICER, Director | Tax withholding (F) | 608 | $49K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 6 funds | $4.3B |
| AMAZON.COM INCAMZN | 6 funds | $2.7B |
| MICRON TECHNOLOGY INCMU | 6 funds | $2.4B |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $1.7B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 6 funds | $1.4B |
| MICROSOFT CORPMSFT | 6 funds | $1.3B |
| BROADCOM INCAVGO | 6 funds | $1.0B |
| ALPHABET INC-CL AGOOGL | 6 funds | $1.0B |
| JPMORGAN CHASE & COJPM | 6 funds | $823.3M |
| HOME DEPOT INCHD | 6 funds | $757.0M |
| MERCK & CO. INC.MRK | 6 funds | $748.3M |
| BLACKROCK INCBLK | 6 funds | $730.8M |
Ranked by how many of SPRB'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 SPRB. 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.