24 tracked 13F filers disclose a position in MSLE as of the latest SEC 13F filings, a combined $40.7M 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 | FRANKLIN RESOURCES INC | $5.3M | 939K | ▲New +939K sh | Q1 2026 | |
| 2 | Siren, L.L.C. | $5.0M | 892K | ▲New +892K sh | Q1 2026 | |
| 3 | Vivo Capital, LLC | $4.6M | 814K | ▲New +814K sh | Q1 2026 | |
| 4 | Point72 Asset Management, L.P. | $3.9M | 691K | ▲New +691K sh | Q1 2026 | |
| 5 | Woodline Partners LP | $2.8M | 500K | ▲New +500K sh | Q1 2026 | |
| 6 | SPHERA FUNDS MANAGEMENT LTD. | $2.8M | 489K | ▲New +489K sh | Q1 2026 | |
| 7 | SUVRETTA CAPITAL MANAGEMENT, LLC | $2.7M | 475K | ▲New +475K sh | Q1 2026 | |
| 8 | Soleus Capital Management, L.P. | $2.3M | 414K | ▲New +414K sh | Q1 2026 | |
| 9 | Avidity Partners Management LP | $2.2M | 388K | ▲New +388K sh | Q1 2026 | |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $2.1M | 380K | ▲New +380K sh | Q1 2026 | |
| 11 | Saturn V Capital Management LP | $2.0M | 350K | ▲New +350K sh | Q1 2026 | |
| 12 | MILLENNIUM MANAGEMENT LLC | $1.7M | 298K | ▲New +298K sh | Q1 2026 | |
| 13 | 683 Capital Management, LLC | $1.3M | 231K | ▲New +231K sh | Q1 2026 | |
| 14 | ADAR1 Capital Management, LLC | $1.3M | 223K | ▲New +223K sh | Q1 2026 | |
| 15 | CITADEL ADVISORS LLC | $239K | 42K | ▲New +42K sh | Q1 2026 | |
| 16 | MORGAN STANLEY | $119K | 21K | ▲New +21K sh | Q1 2026 | |
| 17 | China Universal Asset Management Co., Ltd. | $156K | 20K | ▲+213% Added · +14K sh | Q2 2026 | |
| 18 | JANE STREET GROUP, LLC | $110K | 20K | ▲New +20K sh | Q1 2026 | |
| 19 | ROYAL BANK OF CANADA | $91K | 16K | ▲New +16K sh | Q1 2026 | |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | $67K | 12K | ▲New +12K sh | Q1 2026 | |
| 21 | NATIONAL BANK OF CANADA /FI/ | $12K | 2K | ▲New +2K sh | Q1 2026 | |
| 22 | MAI Capital Management | $789 | 140 | ▲New +140 sh | Q1 2026 | |
| 23 | UBS Group AG | $158 | 28 | ▲New +28 sh | Q1 2026 | |
| 24 | Federation des caisses Desjardins du Quebec | $106 | 19 | ▲New +19 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, 15 funds opened a new position in MSLE and 1 added to an existing one, while 0 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 |
|---|---|---|
| TANGO THERAPEUTICS INCTNGX | 12 funds | $668.3M |
| COGENT BIOSCIENCES INCCOGT | 12 funds | $350.8M |
| AMAZON.COM INCAMZN | 11 funds | $17.1B |
| UNITEDHEALTH GROUP INCUNH | 11 funds | $2.8B |
| ABIVAX SA-ADRABVX | 11 funds | $556.2M |
| ERASCA INCERAS | 11 funds | $545.4M |
| DYNE THERAPEUTICS INCDYN | 11 funds | $154.3M |
| TENAX THERAPEUTICS INCTENX | 11 funds | $52.6M |
| ELI LILLY & COLLY | 10 funds | $5.8B |
| MERCK & CO. INC.MRK | 10 funds | $3.3B |
| BOSTON SCIENTIFIC CORPBSX | 10 funds | $2.0B |
| REVOLUTION MEDICINES INCRVMD | 10 funds | $1.1B |
Ranked by how many of MSLE'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.
| Class | 13F holders | Value held |
|---|---|---|
| MSLEthis pageCommon Stock | 24 funds | $40.7M |
| 80401L308COM | 1 funds | $1.2M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for MSLE
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/MSLE/capital-change-brief"
Use Arkolith's capital_change_brief for MSLE. 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 MSLE. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.