251 tracked 13F filers disclose a position in ABVX as of the latest SEC 13F filings, a combined $6.0B 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 | $721.7M | 6.5M | ▼−8.9% Reduced · −631K sh | Q1 2026 | |
| 2 | UBS Group AG | $506.4M | 4.5M | ▲+2.8% Added · +124K sh | Q1 2026 | |
| 3 | Darwin Global Management, Ltd. | $352.1M | 3.5M | ▲+9.1% Added · +290K sh | Q1 2026 | |
| 4 | Helikon Investments Ltd | $371.4M | 2.8M | ▲+175% Added · +1.8M sh | Q2 2026 | |
| 5 | MORGAN STANLEY | $189.8M | 1.7M | ▼−46% Reduced · −1.4M sh | Q1 2026 | |
| 6 | Vestal Point Capital, LP | $167.0M | 1.5M | ▼−21% Reduced · −400K sh | Q1 2026 | |
| 7 | Caligan Partners LP | $162.8M | 1.5M | ▲+0.7% Added · +10K sh | Q1 2026 | |
| 8 | ADAR1 Capital Management, LLC | $155.2M | 1.4M | ▲+5.8% Added · +77K sh | Q1 2026 | |
| 9 | WESTFIELD CAPITAL MANAGEMENT CO LP | $174.5M | 1.3M | ▼−1.0% Reduced · −13K sh | Q2 2026 | |
| 10 | FMR LLC | $143.2M | 1.3M | ▼−5.8% Reduced · −79K sh | Q1 2026 | |
| 11 | Eversept Partners, LP | $121.8M | 914K | ▼−2.2% Reduced · −21K sh | Q2 2026 | |
| 12 | JANUS HENDERSON GROUP PLC | $98.0M | 879K | ▲+32% Added · +211K sh | Q1 2026 | |
| 13 | BAKER BROS. ADVISORS LP | $97.5M | 876K | —Held | Q1 2026 | |
| 14 | Paradigm Biocapital Advisors LP | $86.0M | 772K | ▼−46% Reduced · −645K sh | Q1 2026 | |
| 15 | Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | $102.0M | 765K | ▼−0.1% Reduced · −583 sh | Q2 2026 | |
| 16 | Cormorant Asset Management, LP | $84.6M | 760K | ▼−44% Reduced · −590K sh | Q1 2026 | |
| 17 | BANK OF AMERICA CORP /DE/ | $81.9M | 736K | ▲+41% Added · +213K sh | Q1 2026 | |
| 18 | PRICE T ROWE ASSOCIATES INC /MD/ | $77.0M | 692K | ▲+6.1% Added · +40K sh | Q1 2026 | |
| 19 | Octagon Capital Advisors LP | $75.4M | 677K | ▼−10% Reduced · −79K sh | Q1 2026 | |
| 20 | Logos Global Management LP | $75.2M | 675K | ▲+69% Added · +275K sh | Q1 2026 | |
| 21 | Point72 Asset Management, L.P. | $71.0M | 638K | ▼−74% Reduced · −1.8M sh | Q1 2026 | |
| 22 | JPMORGAN CHASE & CO | $64.5M | 635K | ▲+39% Added · +179K sh | Q1 2026 | |
| 23 | MILLENNIUM MANAGEMENT LLC | $67.5M | 606K | ▼−18% Reduced · −135K sh | Q1 2026 | |
| 24 | Siren, L.L.C. | $76.8M | 576K | ▲New +576K sh | Q2 2026 | |
| 25 | CITADEL ADVISORS LLC | $60.6M | 544K | ▼−3.4% Reduced · −19K 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, 6 funds opened a new position in ABVX and 36 added to an existing one, while 33 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 |
|---|---|---|
| NVIDIA CORPNVDA | 121 funds | $198.3B |
| MICROSOFT CORPMSFT | 118 funds | $131.7B |
| AMAZON.COM INCAMZN | 117 funds | $98.8B |
| ELI LILLY & COLLY | 116 funds | $41.9B |
| BROADCOM INCAVGO | 114 funds | $83.8B |
| REVOLUTION MEDICINES INCRVMD | 114 funds | $7.7B |
| ALPHABET INC-CL AGOOGL | 111 funds | $86.5B |
| META PLATFORMS INC-CLASS AMETA | 111 funds | $59.9B |
| MICRON TECHNOLOGY INCMU | 111 funds | $19.6B |
| BOSTON SCIENTIFIC CORPBSX | 110 funds | $9.2B |
| INTUITIVE SURGICAL INCISRG | 109 funds | $15.3B |
| UNITEDHEALTH GROUP INCUNH | 109 funds | $15.0B |
Ranked by how many of ABVX'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.
No filings captured for this ticker in the live stream yet.
Connected entities for ABVX
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/ABVX/capital-change-brief"
Use Arkolith's capital_change_brief for ABVX. 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 ABVX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.