Adage Capital Management, L.P.
Boston, MA · CIK 1535978 · 13F filing filed 2026-08-14
SEC-registered investment adviser since 2012 · limited partnership
- Assets managed$70.4bn
- Staff62 · 42 in investment roles
- Main clients (by assets)Private funds 100%
- Private funds1 (1 hedge) · $70.4bn gross assets
- Websiteadagecapital.com
- Form ADV · 2026-03-25SEC adviser record
For Q2 2026 this manager filed a 13F notice: its holdings were reported by another manager.
Stakes above 5%
Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on. The largest 25 of 104.
| Company | Stake |
|---|---|
| SCYNEXIS INC SCYX · 13G · filed 2026-08-12 | 10.0%≈ $4.2m |
| EQV VENTURES ACQUISITION COR FTW · 13G · filed 2026-05-13 | 10.0% |
| PASITHEA THERAPEUTICS CORP KTTA · 13G · filed 2026-02-12 | 10.0%≈ $1.2m |
| IBIO INC IBIO · 13G · filed 2025-11-13 | 10.0%≈ $3.8m |
| IMMUNIC INC 13G · filed 2025-08-12 | 10.0% |
| NINE ENERGY SERVICE INC NINE · 13G · filed 2026-07-09 | 9.7%≈ $17.6m |
| FOREFRONT TECHNOLOGY HOLDING FTHA · 13G · filed 2026-08-12 | 9.0%≈ $8.9m |
| RRE VENTURES ACQUISITION COR RREV · 13G · filed 2026-08-12 | 9.0%≈ $22.2m |
| ENERGY TRANSITION SPL OPPORT ETSS · 13G · filed 2026-08-12 | 9.0%≈ $13.4m |
| AVERIN CAP ACQUISITION CORP ACAA · 13G · filed 2026-05-13 | 8.9%≈ $22.4m |
| GENERAL PURP ACQUISITION COR GPACU · 13G · filed 2026-02-12 | 8.7%≈ $18.2m |
| TRG LATIN AMER ACQUIS CORP TRGS · 13G · filed 2026-05-13 | 8.6%≈ $17.8m |
| ATARA BIOTHERAPEUTICS INC ATRA · 13G · filed 2026-05-13 | 8.6%≈ $8.0m |
| IRON DOME ACQUISITION I CORP IDACU · 13G · filed 2026-08-12 | 8.5% |
| OPUS GENETICS INC IRD · 13G · filed 2026-05-13 | 8.5%≈ $24.8m |
| AURA BIOSCIENCES INC AURA · 13G · filed 2026-08-12 | 8.4%≈ $64.6m |
| CABALETTA BIO INC CABA · 13G · filed 2026-08-12 | 8.4%≈ $44.1m |
| SAB BIOTHERAPEUTICS INC SABS · 13G · filed 2026-08-12 | 8.4%≈ $25.0m |
| BLUE WTR ACQUISITION CORP IV BWIV.U · 13G · filed 2026-05-13 | 8.4%≈ $11.3m |
| RMG ML SPORTS HOLDINGS SHOTU · 13G · filed 2026-08-12 | 8.2% |
| PATRIOT ACQUISITION CORP PTACU · 13G · filed 2026-08-12 | 8.2% |
| ACP HOLDINGS ACQUISITION COR ACGC · 13G · filed 2026-08-12 | 8.2%≈ $17.9m |
| CH4 NATURAL SOLUTIONS CORP MTNE · 13G · filed 2026-08-12 | 8.1%≈ $17.7m |
| M EVO GBL ACQUISITION CORP I MEVO · 13G · filed 2026-05-13 | 8.1%≈ $24.1m |
| X3 ACQUISITION CORP LTD XCBE · 13G · filed 2026-05-13 | 8.0%≈ $18.0m |