167 tracked 13F filers disclose a position in ABUS as of the latest SEC 13F filings, a combined $575.7M 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 | MORGAN STANLEY | $116.5M | 25.9M | ▼−3.0% Reduced · −811K sh | Q1 2026 | |
| 2 | Two Seas Capital LP | $83.5M | 18.6M | ▲+47% Added · +6.0M sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $58.4M | 13.0M | ▼−0.7% Reduced · −86K sh | Q1 2026 | |
| 4 | STATE STREET CORP | $37.8M | 7.9M | ▲+24% Added · +1.5M sh | Q2 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $30.1M | 6.7M | →First observed position No prior filed position | Q1 2026 | |
| 6 | Rubric Capital Management LP | $29.8M | 6.6M | ▲+321% Added · +5.1M sh | Q1 2026 | |
| 7 | BARCLAYS PLC | $19.4M | 4.3M | ▲12× Added · +4.0M sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $19.8M | 4.1M | ▲+9.2% Added · +346K sh | Q2 2026 | |
| 9 | ADAR1 Capital Management, LLC | $14.1M | 3.1M | ▼−42% Reduced · −2.3M sh | Q1 2026 | |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $12.0M | 2.7M | ▼−39% Reduced · −1.7M sh | Q1 2026 | |
| 11 | BlackBarn Capital Partners LP | $11.3M | 2.5M | ▲+35% Added · +650K sh | Q1 2026 | |
| 12 | Legal & General Group Plc | $10.8M | 2.4M | ▲20× Added · +2.3M sh | Q1 2026 | |
| 13 | Woodline Partners LP | $9.0M | 2.0M | ▼−8.1% Reduced · −176K sh | Q1 2026 | |
| 14 | Jefferies Financial Group Inc. | $8.2M | 1.7M | ▼−9.6% Reduced · −182K sh | Q2 2026 | |
| 15 | BANK OF AMERICA CORP /DE/ | $7.6M | 1.7M | ▼−8.1% Reduced · −149K sh | Q1 2026 | |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6.3M | 1.4M | ▼−10% Reduced · −161K sh | Q1 2026 | |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | $6.3M | 1.4M | →First observed position No prior filed position | Q1 2026 | |
| 18 | OSAIC HOLDINGS, INC. | $6.1M | 1.3M | ▼~0% Reduced · −97 sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $5.8M | 1.3M | ▲+3.3% Added · +41K sh | Q1 2026 | |
| 20 | Deltroit Asset Management (UK) LLP | $5.8M | 1.2M | ▲+50% Added · +400K sh | Q2 2026 | |
| 21 | GOLDMAN SACHS GROUP INC | $5.0M | 1.1M | ▲+49% Added · +362K sh | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $4.8M | 1.1M | →First observed position No prior filed position | Q1 2026 | |
| 23 | CITIGROUP INC | $4.0M | 898K | ▲+47% Added · +287K sh | Q1 2026 | |
| 24 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $3.8M | 838K | ▼−5.9% Reduced · −53K sh | Q1 2026 | |
| 25 | BANK OF MONTREAL /CAN/ | $3.5M | 783K | ▲+2.1% Added · +16K 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, 7 funds opened a new position in ABUS and 12 added to an existing one, while 21 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 |
|---|---|---|
| ELI LILLY & COLLY | 77 funds | $53.3B |
| MICROSOFT CORPMSFT | 76 funds | $179.6B |
| ALPHABET INC-CL AGOOGL | 76 funds | $102.8B |
| UNITEDHEALTH GROUP INCUNH | 76 funds | $19.5B |
| MICRON TECHNOLOGY INCMU | 75 funds | $26.3B |
| INTUITIVE SURGICAL INCISRG | 75 funds | $17.8B |
| GILEAD SCIENCES INCGILD | 75 funds | $13.8B |
| AMAZON.COM INCAMZN | 74 funds | $127.4B |
| META PLATFORMS INC-CLASS AMETA | 74 funds | $78.1B |
| ADVANCED MICRO DEVICESAMD | 74 funds | $26.3B |
| INTEL CORPINTC | 74 funds | $14.4B |
| NVIDIA CORPNVDA | 73 funds | $272.5B |
Ranked by how many of ABUS's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 4, 2025 | Naftzger J. Christopher | General Counsel and CCO | Sell (S) | 11K | $37K |
| Feb 4, 2025 | McElhaugh Michael J. | Interim President & CEO, Director | Sell (S) | 24K | $78K |
| Feb 4, 2025 | Sims Karen | Chief Medical Officer | Sell (S) | 19K | $63K |
| Feb 4, 2025 | HASTINGS DAVID C | Chief Financial Officer | Sell (S) | 22K | $73K |
| Aug 14, 2024 | MANCHESTER KEITH S | Director | Sell (S) | 9K | $33K |
| Feb 2, 2024 | McElhaugh Michael J. | Interim President & CEO, Director | Sell (S) | 10K | $23K |
| Feb 2, 2024 | Sofia Michael J. | Chief Scientific Officer | Sell (S) | 10K | $23K |
| Feb 2, 2024 | HASTINGS DAVID C | Chief Financial Officer | Sell (S) | 10K | $22K |
| Feb 2, 2024 | Sims Karen | Chief Medical Officer | Sell (S) | 4K | $10K |
| Dec 1, 2021 | Sofia Michael J. | Chief Scientific Officer | Sell (S) | 200K | $1.0M |
| Feb 9, 2021 | McElhaugh Michael J. | Chief Business Officer | Sell (S) | 20K | $100K |
| Dec 14, 2020 | McElhaugh Michael J. | Chief Business Officer | Sell (S) | 10K | $50K |
Connected entities for ABUS
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/ABUS/capital-change-brief"
Use Arkolith's capital_change_brief for ABUS. 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 ABUS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.