136 tracked 13F filers disclose a position in ABCL as of the latest SEC 13F filings, a combined $414.7M 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 | BAKER BROS. ADVISORS LP | $105.7M | 30.3M | ▲+10.0% Added · +2.8M sh | Q1 2026 | |
| 2 | TWO SIGMA INVESTMENTS, LP | $36.9M | 10.6M | ▲+82% Added · +4.8M sh | Q1 2026 | |
| 3 | TD Waterhouse Canada Inc. | $72.6M | 9.6M | ▲~0% Added · +3K sh | Q2 2026 | |
| 4 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $26.4M | 7.6M | ▼−3.8% Reduced · −301K sh | Q1 2026 | |
| 5 | UBS Group AG | $14.7M | 4.2M | ▲+117% Added · +2.3M sh | Q1 2026 | |
| 6 | ArrowMark Colorado Holdings LLC | $14.3M | 4.1M | —Held | Q1 2026 | |
| 7 | BlackRock, Inc. | $14.1M | 4.0M | ▲+4.5% Added · +174K sh | Q1 2026 | |
| 8 | GOLDMAN SACHS GROUP INC | $13.1M | 3.8M | ▼−14% Reduced · −593K sh | Q1 2026 | |
| 9 | BANK OF AMERICA CORP /DE/ | $10.5M | 3.0M | ▲+14% Added · +367K sh | Q1 2026 | |
| 10 | Alyeska Investment Group, L.P. | $9.0M | 2.6M | ▲New +2.6M sh | Q1 2026 | |
| 11 | TUDOR INVESTMENT CORP ET AL | $7.9M | 2.3M | ▲+27% Added · +477K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $7.8M | 2.2M | ▼−26% Reduced · −777K sh | Q1 2026 | |
| 13 | RENAISSANCE TECHNOLOGIES LLC | $5.3M | 1.5M | ▼−37% Reduced · −879K sh | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $4.8M | 1.4M | ▼−26% Reduced · −473K sh | Q1 2026 | |
| 15 | MILLENNIUM MANAGEMENT LLC | $4.5M | 1.3M | ▼−27% Reduced · −479K sh | Q1 2026 | |
| 16 | Point72 Asset Management, L.P. | $4.0M | 1.1M | ▲+18% Added · +173K sh | Q1 2026 | |
| 17 | Counterpoint Mutual Funds LLC | $7.6M | 972K | ▲New +972K sh | Q2 2026 | |
| 18 | JANE STREET GROUP, LLC | $3.0M | 848K | ▼−39% Reduced · −549K sh | Q1 2026 | |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.6M | 750K | ▼−51% Reduced · −774K sh | Q1 2026 | |
| 20 | STATE STREET CORP | $5.7M | 731K | ▲+0.1% Added · +1K sh | Q2 2026 | |
| 21 | Intellectus Partners, LLC | $4.3M | 552K | ▲+1.0% Added · +6K sh | Q2 2026 | |
| 22 | STATE OF MICHIGAN RETIREMENT SYSTEM | $1.4M | 400K | —Held | Q1 2026 | |
| 23 | ROYAL BANK OF CANADA | $1.4M | 395K | ▲+5.6% Added · +21K sh | Q1 2026 | |
| 24 | MARSHALL WACE, LLP | $1.3M | 360K | ▲New +360K sh | Q1 2026 | |
| 25 | OSAIC HOLDINGS, INC. | $1.2M | 349K | ▲+0.5% Added · +2K 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 ABCL and 14 added to an existing one, while 17 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 | 74 funds | $71.5B |
| AMAZON.COM INCAMZN | 71 funds | $37.2B |
| ELI LILLY & COLLY | 70 funds | $12.4B |
| ALPHABET INC-CL AGOOGL | 69 funds | $29.5B |
| META PLATFORMS INC-CLASS AMETA | 69 funds | $18.1B |
| MICRON TECHNOLOGY INCMU | 69 funds | $12.2B |
| MICROSOFT CORPMSFT | 68 funds | $43.6B |
| VISA INC-CLASS A SHARESV | 68 funds | $8.1B |
| BROADCOM INCAVGO | 67 funds | $24.5B |
| COSTCO WHOLESALE CORPCOST | 67 funds | $8.9B |
| ADVANCED MICRO DEVICESAMD | 67 funds | $8.7B |
| LAM RESEARCH CORPLRCX | 66 funds | $6.6B |
Ranked by how many of ABCL's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 24, 2026 | Hayden Michael R | Director | Buy (P) | 54K | $570K |
| Aug 18, 2026 | Montalbano John S. | Director | Buy (P) | 10K | $110K |
| Aug 14, 2026 | Booth Andrew | Chief Financial Officer | Buy (P) | 37K | $384K |
| Aug 12, 2026 | Hayden Michael R | Director | Buy (P) | 46K | $481K |
| May 14, 2026 | Montalbano John S. | Director | Buy (P) | 20K | $95K |
| Feb 27, 2026 | Booth Andrew | Chief Financial Officer | Buy (P) | 43K | $146K |
| Feb 27, 2026 | Thermopylae Holdings Ltd. | 10% Owner | Buy (P) | 38K | $131K |
| Feb 26, 2026 | Thermopylae Holdings Ltd. | 10% Owner | Buy (P) | 177K | $580K |
| Nov 26, 2025 | Montalbano John S. | Director | Buy (P) | 50K | $179K |
| Mar 11, 2025 | Thermopylae Holdings Ltd. | 10% Owner | Buy (P) | 344K | $742K |
| Mar 10, 2025 | Montalbano John S. | Director | Buy (P) | 25K | $58K |
| Mar 6, 2025 | Montalbano John S. | Director | Buy (P) | 60K | $140K |
Connected entities for ABCL
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/ABCL/capital-change-brief"
Use Arkolith's capital_change_brief for ABCL. 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 ABCL. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.