120 tracked 13F filers disclose a position in ALTG as of the latest SEC 13F filings, a combined $98.0M 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 | Mill Road Capital Management LLC | $28.3M | 4.4M | —Held | Q2 2026 | |
| 2 | BlackRock, Inc. | $8.7M | 1.6M | ▼−1.3% Reduced · −21K sh | Q1 2026 | |
| 3 | Voss Capital, LP | $7.6M | 1.2M | ▼−51% Reduced · −1.2M sh | Q2 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $5.6M | 1.0M | →First observed position No prior filed position | Q1 2026 | |
| 5 | CastleKnight Management LP | $5.3M | 985K | ▲+13% Added · +115K sh | Q1 2026 | |
| 6 | Nantahala Capital Management, LLC | $4.7M | 725K | ▼−22% Reduced · −210K sh | Q2 2026 | |
| 7 | First Eagle Investment Management, LLC | $3.4M | 520K | ▼−29% Reduced · −210K sh | Q2 2026 | |
| 8 | STATE STREET CORP | $3.3M | 517K | ▲+0.2% Added · +850 sh | Q2 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $3.3M | 511K | ▲+7.5% Added · +36K sh | Q2 2026 | |
| 10 | DIMENSIONAL FUND ADVISORS LP | $2.6M | 493K | ▼−4.9% Reduced · −25K sh | Q1 2026 | |
| 11 | CITADEL ADVISORS LLC | $2.0M | 308K | ▲+12% Added · +34K sh | Q2 2026 | |
| 12 | CIBC Bancorp USA Inc. | $1.4M | 256K | ▲New +256K sh | Q1 2026 | |
| 13 | Point72 Asset Management, L.P. | $1.6M | 244K | ▲+37% Added · +65K sh | Q2 2026 | |
| 14 | GOLDMAN SACHS GROUP INC | $1.0M | 188K | ▲+43% Added · +57K sh | Q1 2026 | |
| 15 | BNP PARIBAS FINANCIAL MARKETS | $848K | 158K | ▲+16% Added · +22K sh | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $837K | 156K | ▲+2.5% Added · +4K sh | Q1 2026 | |
| 17 | AQR CAPITAL MANAGEMENT LLC | $795K | 148K | ▲+82% Added · +67K sh | Q1 2026 | |
| 18 | TUDOR INVESTMENT CORP ET AL | $791K | 147K | ▲+46% Added · +46K sh | Q1 2026 | |
| 19 | Register Financial Advisors LLC | $949K | 147K | ▲+34% Added · +38K sh | Q2 2026 | |
| 20 | Nuveen, LLC | $747K | 139K | ▲+258% Added · +100K sh | Q1 2026 | |
| 21 | VANGUARD PORTFOLIO MANAGEMENT LLC | $742K | 138K | →First observed position No prior filed position | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $718K | 134K | →First observed position No prior filed position | Q1 2026 | |
| 23 | MILLENNIUM MANAGEMENT LLC | $696K | 130K | ▲+69% Added · +53K sh | Q1 2026 | |
| 24 | Squarepoint Ops LLC | $669K | 125K | ▲+1.5% Added · +2K sh | Q1 2026 | |
| 25 | JACOBS LEVY EQUITY MANAGEMENT, INC | $650K | 121K | ▲+82% Added · +55K 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 ALTG and 23 added to an existing one, while 12 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 52 funds | $139.2B |
| ALPHABET INC-CL CGOOG | 52 funds | $71.1B |
| NVIDIA CORPNVDA | 51 funds | $200.8B |
| AMAZON.COM INCAMZN | 51 funds | $98.9B |
| ALPHABET INC-CL AGOOGL | 51 funds | $76.1B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 51 funds | $20.4B |
| BANK OF AMERICA CORPBAC | 51 funds | $14.9B |
| AMKOR TECHNOLOGY INCAMKR | 51 funds | $812.9M |
| ELI LILLY & COLLY | 50 funds | $38.6B |
| NEWMONT CORPNEM | 50 funds | $5.8B |
| GENERAL DYNAMICS CORPGD | 50 funds | $3.3B |
| UNITEDHEALTH GROUP INCUNH | 49 funds | $15.6B |
Ranked by how many of ALTG's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 13, 2026 | Mill Road Capital III, L.P. | 10% Owner | Buy (P) | 4K | $23K |
| Mar 12, 2026 | Mill Road Capital III, L.P. | 10% Owner | Buy (P) | 58K | $355K |
| Mar 11, 2026 | Mill Road Capital III, L.P. | 10% Owner | Buy (P) | 18K | $115K |
| Mar 11, 2026 | Nair Sidhartha | Director | Buy (P) | 1K | $6K |
| Mar 9, 2026 | Nair Sidhartha | Director | Buy (P) | 1K | $7K |
| Mar 5, 2026 | Nair Sidhartha | Director | Buy (P) | 1K | $7K |
| Mar 3, 2026 | Nair Sidhartha | Director | Buy (P) | 1K | $7K |
| Dec 8, 2025 | Shribman Daniel | Director | Buy (P) | 40K | $203K |
| May 30, 2025 | STUDDERT ANDREW P | Director | Buy (P) | 3K | $16K |
| May 29, 2025 | STUDDERT ANDREW P | Director | Buy (P) | 7K | $32K |
| Mar 5, 2025 | Brubaker Craig | Chief Operating Officer | Sell (S) | 5K | $26K |
| Oct 2, 2024 | Voss Capital, LP | 10% Owner | Sell (S) | 11K | $71K |
Connected entities for ALTG
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/ALTG/capital-change-brief"
Use Arkolith's capital_change_brief for ALTG. 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 ALTG. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.