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 SLN 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/SLN"
Use Arkolith to show who owns SLN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | TCG Crossover Management, LLC | $16.0M | 3.0M | —Held | Q1 2026 | |
| 2 | Siren, L.L.C. | $15.3M | 2.9M | —Held | Q1 2026 | |
| 3 | Nantahala Capital Management, LLC | $11.3M | 2.1M | ▲+39% Added · +604K sh | Q1 2026 | |
| 4 | CITADEL ADVISORS LLC | $6.5M | 1.2M | ▲+406% Added · +991K sh | Q1 2026 | |
| 5 | BOOTHBAY FUND MANAGEMENT, LLC | $1.1M | 209K | —Held | Q1 2026 | |
| 6 | Point72 Asset Management, L.P. | $631K | 120K | ▲+4.9% Added · +6K sh | Q1 2026 | |
| 7 | GAMMA Investing LLC | $49K | 9K | ▼−7.4% Reduced · −747 sh | Q1 2026 | |
| 8 | GF FUND MANAGEMENT CO. LTD. | $6K | 1K | ▲+14% Added · +125 sh | Q1 2026 | |
| 9 | Steward Partners Investment Advisory, LLC | $527 | 100 | —Held | Q1 2026 | |
| 10 | SBI Securities Co., Ltd. | $148 | 28 | —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 |
|---|---|---|---|---|---|
| Jan 2, 2026 | Romano Steven J. | EVP and Chief R&D Officer | Grant (A) | 300K | $0 |
| Jan 2, 2026 | Ede-Golightly James | Director | Grant (A) | 90K | $0 |
| Jan 2, 2026 | HELLUMS RHONDA LYNETTE | Chief Financial Officer, Director | Grant (A) | 375K | $0 |
| Jan 2, 2026 | Lemus David | Director | Grant (A) | 90K | $0 |
| Jan 2, 2026 | MCINERNEY TIMOTHY | Director | Grant (A) | 90K | $0 |
| Dec 22, 2025 | Ede-Golightly James | Director | Grant (A) | 90K | $0 |
| Dec 18, 2025 | Ross Iain | Interim PEO, Director | Grant (A) | 900K | $0 |
| Oct 27, 2025 | Griffiths Richard Ian | 10% Owner | Buy (P) | 2K | — |
| Oct 27, 2025 | Griffiths Richard Ian | 10% Owner | Sell (S) | 2K | — |
| Aug 3, 2025 | Griffiths Richard Ian | 10% Owner | Sell (S) | 20K | — |
| Aug 3, 2025 | Griffiths Richard Ian | 10% Owner | Buy (P) | 20K | — |
| Aug 1, 2025 | Griffiths Richard Ian | 10% Owner | Buy (P) | 4K | — |
| Company | Co-held by | Combined value |
|---|---|---|
| COGENT BIOSCIENCES INCCOGT | 11 funds | $391.1M |
| CENTESSA PHARMACEUTICALS-ADRCNTA | 11 funds | $260.1M |
| REVOLUTION MEDICINES INCRVMD | 11 funds | $252.9M |
| AMYLYX PHARMACEUTICALS INCAMLX | 11 funds | $118.6M |
| AMAZON.COM INCAMZN | 10 funds | $5.1B |
| MICROSOFT CORPMSFT | 10 funds | $4.0B |
| BROADCOM INCAVGO | 10 funds | $3.2B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 10 funds | $2.4B |
| MICRON TECHNOLOGY INCMU | 10 funds | $2.3B |
| DATADOG INC - CLASS ADDOG | 10 funds | $425.1M |
| TANGO THERAPEUTICS INCTNGX | 10 funds | $391.8M |
| ERASCA INCERAS | 10 funds | $201.7M |
Ranked by how many of SLN'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 SLN. 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.