185 tracked 13F filers disclose a position in ALT as of the latest SEC 13F filings, a combined $275.7M 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 | BlackRock, Inc. | $39.4M | 12.8M | ▲+32% Added · +3.1M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $36.8M | 12.1M | ▲+69% Added · +5.0M sh | Q2 2026 | |
| 3 | VIKING GLOBAL INVESTORS LP | $20.4M | 6.7M | ▲New +6.7M sh | Q2 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $17.4M | 5.7M | →First observed position No prior filed position | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $16.6M | 5.4M | →First observed position No prior filed position | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $15.2M | 5.0M | ▲+61% Added · +1.9M sh | Q2 2026 | |
| 7 | MARSHALL WACE, LLP | $12.4M | 4.0M | ▲+335% Added · +3.1M sh | Q1 2026 | |
| 8 | MILLENNIUM MANAGEMENT LLC | $10.0M | 3.3M | ▲16× Added · +3.1M sh | Q1 2026 | |
| 9 | Trails Edge Capital Partners, LP | $8.1M | 2.7M | ▲New +2.7M sh | Q2 2026 | |
| 10 | Alyeska Investment Group, L.P. | $8.1M | 2.6M | ▲New +2.6M sh | Q1 2026 | |
| 11 | TWO SIGMA INVESTMENTS, LP | $7.6M | 2.5M | ▲+96% Added · +1.2M sh | Q1 2026 | |
| 12 | Nuveen, LLC | $7.2M | 2.3M | ▲+88% Added · +1.1M sh | Q1 2026 | |
| 13 | Weiss Asset Management LP | $4.7M | 1.5M | ▲New +1.5M sh | Q2 2026 | |
| 14 | Nantahala Capital Management, LLC | $4.6M | 1.5M | ▲New +1.5M sh | Q2 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $4.2M | 1.4M | ▲+0.1% Added · +1K sh | Q1 2026 | |
| 16 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4.1M | 1.3M | ▼−3.1% Reduced · −43K sh | Q1 2026 | |
| 17 | DIMENSIONAL FUND ADVISORS LP | $3.2M | 1.0M | ▲+269% Added · +762K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $3.1M | 997K | ▲+39% Added · +281K sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $3.0M | 984K | ▲+119% Added · +535K sh | Q2 2026 | |
| 20 | UBS Group AG | $2.8M | 905K | ▲+41% Added · +263K sh | Q1 2026 | |
| 21 | VANGUARD FIDUCIARY TRUST CO | $2.7M | 869K | →First observed position No prior filed position | Q1 2026 | |
| 22 | MORGAN STANLEY | $2.4M | 775K | ▼−43% Reduced · −585K sh | Q1 2026 | |
| 23 | Ghisallo Capital Management LLC | $2.3M | 750K | ▲New +750K sh | Q2 2026 | |
| 24 | D. E. Shaw & Co., Inc. | $2.2M | 727K | ▼−46% Reduced · −617K sh | Q1 2026 | |
| 25 | FMR LLC | $2.1M | 674K | ▲+19% Added · +110K 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, 9 funds opened a new position in ALT and 22 added to an existing one, while 7 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 | 83 funds | $218.4B |
| MICROSOFT CORPMSFT | 83 funds | $145.6B |
| AMAZON.COM INCAMZN | 82 funds | $104.0B |
| MICRON TECHNOLOGY INCMU | 82 funds | $21.9B |
| BROADCOM INCAVGO | 81 funds | $87.0B |
| ALPHABET INC-CL AGOOGL | 81 funds | $86.8B |
| META PLATFORMS INC-CLASS AMETA | 81 funds | $63.6B |
| ELI LILLY & COLLY | 81 funds | $42.1B |
| ALPHABET INC-CL CGOOG | 80 funds | $67.5B |
| NETFLIX INCNFLX | 80 funds | $26.6B |
| JOHNSON & JOHNSONJNJ | 79 funds | $24.2B |
| CHEVRON CORPCVX | 79 funds | $13.6B |
Ranked by how many of ALT's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 13, 2026 | Durso Jerome Benedict | President and CEO, Director | Buy (P) | 15K | $44K |
| Apr 6, 2026 | GILL JOHN | Director | Buy (P) | 9K | $31K |
| Apr 1, 2026 | WEAVER GREGORY L | Chief Financial Officer | Buy (P) | 10K | $31K |
| Apr 1, 2026 | Durso Jerome Benedict | President and CEO, Director | Buy (P) | 15K | $47K |
| Mar 6, 2026 | WEAVER GREGORY L | Chief Financial Officer | Buy (P) | 5K | $18K |
| Mar 6, 2026 | Durso Jerome Benedict | President and CEO, Director | Buy (P) | 20K | $71K |
| Jan 8, 2026 | Pisano Wayne | Director | Buy (P) | 5K | $20K |
| Jan 5, 2026 | Sohn Catherine A. | Director | Buy (P) | 500 | $2K |
| Dec 29, 2025 | Jorkasky Diane | Director | Buy (P) | 527 | $2K |
| Dec 23, 2025 | GILL JOHN | Director | Buy (P) | 13K | $51K |
| Dec 22, 2025 | Durso Jerome Benedict | Director | Buy (P) | 13K | $52K |
| Mar 17, 2025 | Sohn Catherine A. | Director | Buy (P) | 1K | $6K |
Connected entities for ALT
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/ALT/capital-change-brief"
Use Arkolith's capital_change_brief for ALT. 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 ALT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.