49 tracked 13F filers disclose a position in SLN as of the latest SEC 13F filings, a combined $95.9M in reported value. 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.
| # | 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 | Redmile Group, LLC | $11.4M | 2.2M | —Held | Q1 2026 | |
| 4 | Nantahala Capital Management, LLC | $11.3M | 2.1M | ▲+39% Added · +604K sh | Q1 2026 | |
| 5 | CITADEL ADVISORS LLC | $6.5M | 1.2M | ▲+406% Added · +991K sh | Q1 2026 | |
| 6 | MILLENNIUM MANAGEMENT LLC | $5.7M | 1.1M | ▲+63% Added · +415K sh | Q1 2026 | |
| 7 | GREAT POINT PARTNERS LLC | $5.4M | 1.0M | ▲+26% Added · +212K sh | Q1 2026 | |
| 8 | Nextech Invest, Ltd. | $5.0M | 952K | —Held | Q1 2026 | |
| 9 | Ikarian Capital, LLC | Withheld | 866K | —Held | Q1 2026 | |
| 10 | Tetragon Partners GP Ltd | $3.3M | 630K | ▲+72% Added · +265K sh | Q1 2026 | |
| 11 | 5AM Venture Management, LLC | $2.5M | 476K | —Held | Q1 2026 | |
| 12 | UBS Group AG | $1.3M | 247K | ▲+19% Added · +39K sh | Q1 2026 | |
| 13 | BOOTHBAY FUND MANAGEMENT, LLC | $1.1M | 209K | —Held | Q1 2026 | |
| 14 | BlackRock, Inc. | $1.1M | 205K | ▲+180% Added · +132K sh | Q1 2026 | |
| 15 | BANK OF MONTREAL /CAN/ | $1.1M | 203K | ▲+26% Added · +42K sh | Q1 2026 | |
| 16 | ADAR1 Capital Management, LLC | $907K | 172K | ▲+628% Added · +149K sh | Q1 2026 | |
| 17 | MARSHALL WACE, LLP | $894K | 170K | ▲+8.9% Added · +14K sh | Q1 2026 | |
| 18 | BNP PARIBAS FINANCIAL MARKETS | $778K | 148K | ▲12× Added · +136K sh | Q1 2026 | |
| 19 | Ishara Investments LP | $740K | 141K | ▼−41% Reduced · −100K sh | Q1 2026 | |
| 20 | HSBC HOLDINGS PLC | $640K | 123K | ▼−29% Reduced · −50K sh | Q1 2026 | |
| 21 | Point72 Asset Management, L.P. | $631K | 120K | ▲+4.9% Added · +6K sh | Q1 2026 | |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $608K | 115K | ▲+584% Added · +98K sh | Q1 2026 | |
| 23 | XTX Topco Ltd | $559K | 106K | ▲+805% Added · +94K sh | Q1 2026 | |
| 24 | Qube Research & Technologies Ltd | $551K | 105K | ▲+199% Added · +70K sh | Q1 2026 | |
| 25 | JANE STREET GROUP, LLC | $532K | 101K | ▲+246% Added · +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.
Last quarter, 2 funds opened a new position in SLN and 13 added to an existing one, while 4 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| ANNEXON INCANNX | 22 funds | $175.6M |
| ARVINAS INCARVN | 21 funds | $94.4M |
| REVOLUTION MEDICINES INCRVMD | 20 funds | $1.3B |
| COGENT BIOSCIENCES INCCOGT | 20 funds | $555.0M |
| ULTRAGENYX PHARMACEUTICAL INRARE | 20 funds | $197.4M |
| CULLINAN THERAPEUTICS INCCGEM | 20 funds | $105.5M |
| INVIVYD INCIVVD | 20 funds | $33.8M |
| MINERALYS THERAPEUTICS INCMLYS | 19 funds | $179.0M |
| VERA THERAPEUTICS INCVERA | 19 funds | $134.1M |
| DEFINIUM THERAPEUTICS INCDFTX | 19 funds | $124.5M |
| BIOHAVEN LTDBHVN | 19 funds | $111.9M |
| NVIDIA CORPNVDA | 18 funds | $15.9B |
Ranked by how many of SLN's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
Connected entities for SLN
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/SLN/capital-change-brief"
Use Arkolith's capital_change_brief for SLN. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
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.