Among active 13F managers last quarter, 5 opened and 4 added, while 2 reduced; the largest holder to move was Point72 Asset Management, L.P. (−1.2%). No recent Form 4 insider filings for MSLE.
Funds lean in and no leg opposes.
26 tracked 13F filers disclose a position in MSLE as of the latest SEC 13F filings, a combined $57.8M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Franklin Templeton Inc | 939K | $5.3M | ▲New +939K sh | Q1 2026 | |
| 2 | Siren, L.L.C. | 892K | $6.9M | —Held | Q2 2026 | |
| 3 | Vivo Capital, LLC | 814K | $6.3M | —Held | Q2 2026 | |
| 4 | Point72 Asset Management, L.P. | 683K | $5.3M | ▼−1.2% Reduced · −8K sh | Q2 2026 | |
| 5 | Sphera Funds Management LTD. | 653K | $5.1M | ▲+33% Added · +163K sh | Q2 2026 | |
| 6 | Woodline Partners LP | 500K | $3.9M | —Held | Q2 2026 | |
| 7 | Stonepine Capital Management, LLC | 492K | $3.7M | ▲+392% Added · +392K sh | Q2 2026 | |
| 8 | Montanova Capital, LLC | 475K | $3.7M | —Held | Q2 2026 | |
| 9 | Avidity Partners Management LP | 388K | $3.0M | —Held | Q2 2026 | |
| 10 | Adage Capital Partners GP, L.L.C. | 380K | $2.1M | ▲New +380K sh | Q1 2026 | |
| 11 | Saturn V Capital Management LP | 350K | $2.7M | —Held | Q2 2026 | |
| 12 | Soleus Capital Management, L.P. | 314K | $2.4M | ▼−24% Reduced · −100K sh | Q2 2026 | |
| 13 | Millennium Management LLC | 298K | $1.7M | ▲New +298K sh | Q1 2026 | |
| 14 | 683 Capital Management, LLC | 231K | $1.8M | —Held | Q2 2026 | |
| 15 | ADAR1 Capital Management, LLC | 223K | $1.3M | ▲New +223K sh | Q1 2026 | |
| 16 | AWM Investment Company, Inc. | 180K | $1.4M | ▲New +180K sh | Q2 2026 | |
| 17 | Citadel Advisors LLC | 68K | $527K | ▲+59% Added · +25K sh | Q2 2026 | |
| 18 | Morgan Stanley | 21K | $119K | ▲New +21K sh | Q1 2026 | |
| 19 | China Universal Asset Management Co., Ltd. | 20K | $156K | ▲+213% Added · +14K sh | Q2 2026 | |
| 20 | Jane Street Group, LLC | 20K | $110K | ▲New +20K sh | Q1 2026 | |
| 21 | Royal Bank Of Canada | 16K | $91K | ▲New +16K sh | Q1 2026 | |
| 22 | Geode Capital Management, LLC | 12K | $93K | —Held | Q2 2026 | |
| 23 | National Bank Of Canada | 2K | $12K | ▲New +2K sh | Q1 2026 | |
| 24 | UBS Group AG | 28 | $158 | ▲New +28 sh | Q1 2026 | |
| 25 | Federation des caisses Desjardins du Quebec | 19 | $143 | —Held | Q2 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, 5 funds opened a new position in MSLE and 4 added to an existing one, while 2 reduced. 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 | Their position there |
|---|---|---|
| Tango Therapeutics IncTNGX | 13 funds | $712.5M |
| Tenax Therapeutics IncTENX | 13 funds | $104.9M |
| Unitedhealth Group IncUNH | 12 funds | $3.2B |
| Erasca IncERAS | 12 funds | $456.6M |
| Xenon Pharmaceuticals IncXENE | 12 funds | $331.6M |
| Cytomx Therapeutics IncCTMX | 12 funds | $99.8M |
| Amazon.com IncAMZN | 11 funds | $18.0B |
| Merck & Co. Inc.MRK | 11 funds | $3.0B |
| Boston Scientific CorpBSX | 11 funds | $1.7B |
| Insmed IncINSM | 11 funds | $1.1B |
| Abivax Sa-ADRABVX | 11 funds | $734.9M |
| Biohaven LtdBHVN | 11 funds | $326.5M |
Ranked by how many of MSLE's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MSLE.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 4 | 2 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| MSLEthis pageCommon Stock | 26 funds | $57.8M |
| ICOEURCOM | 1 funds | $939K |
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.