Alta Equipment Group Inc.
Alta Equipment Group Inc. (ALTG) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ALTG · as of Sep 30, 2025
Ownership Breakdown
138
Institutional Holders
▲ 31 vs Q2
$152.30M
Total Inst. Value
▲ $18.12M vs Q2
32.54M
Shares Outstanding
freeFloat 52.94%
21.04M
13F Shares Held
▼ 195,446 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ALTG largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
MILL ROAD CAPITAL MANAGEMENT LLC wholesale-industrial machinery & equipment | 4.29M | 13.01% | 13.01% | $31.08B | Nov 14, 2025 | — held |
VOSS CAPITAL, LLC wholesale-industrial machinery & equipment | 2.89M | 8.75% | 8.75% | $20.90B | Nov 20, 2025 | ▼ 73.5K |
BLACKROCK, INC. wholesale-industrial machinery & equipment | 1.63M | 4.93% | 4.93% | $11.79B | Nov 12, 2025 | ▼ 54.2K |
VANGUARD GROUP INC wholesale-industrial machinery & equipment | 1.32M | 4.00% | 4.00% | $9.57B | Nov 7, 2025 | ▲ 30.6K |
NANTAHALA CAPITAL MANAGEMENT, LLC wholesale-industrial machinery & equipment | 934.8K | 2.83% | 2.83% | $6.77B | Nov 14, 2025 | ▼ 108.0K |
FIRST EAGLE INVESTMENT MANAGEMENT, LLC wholesale-industrial machinery & equipment | 782.6K | 2.37% | 2.37% | $5.67B | Nov 12, 2025 | ▼ 9.5K |
CASTLEKNIGHT MANAGEMENT LP wholesale-industrial machinery & equipment | 781.1K | 2.37% | 2.37% | $5.65B | Nov 14, 2025 | ▼ 21.9K |
DIMENSIONAL FUND ADVISORS LP wholesale-industrial machinery & equipment | 557.7K | 1.69% | 1.69% | $4.04B | Nov 12, 2025 | ▼ 80.0K |
ROYCE & ASSOCIATES LP wholesale-industrial machinery & equipment | 546.8K | 1.66% | 1.66% | $3.96B | Nov 12, 2025 | ▲ 42.1K |
STATE STREET CORP wholesale-industrial machinery & equipment | 525.8K | 1.59% | 1.59% | $3.81B | Nov 14, 2025 | ▲ 23.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
17
Increased
+910.9K shares10
New Positions
first time holders19
Decreased
−1.12M shares0
Sold Out
fully exitedNet shares change (top 50)
205.8K
+910.9K / −1.12M
Net new holders
+8
10 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ALTG insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
7
Buy transactions
2
Sell transactions
3.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Shribman Daniel director | May 29, 2026 | Award | 14,903 | — | — | 361.8K | Form 4 ↗ |
White Katherine E director | May 29, 2026 | Award | 14,903 | — | — | 82.2K | Form 4 ↗ |
STUDDERT ANDREW P director | May 29, 2026 | Award | 14,903 | — | — | 131.7K | Form 4 ↗ |
Nair Sidhartha director | May 29, 2026 | Award | 14,903 | — | — | 52.7K | Form 4 ↗ |
WILSON COLIN director | May 29, 2026 | Award | 14,903 | — | — | 43.9K | Form 4 ↗ |
Hoover Jeffrey Alan Chief Legal Officer | Feb 27, 2026 | Award | 17,261 | — | — | 84.7K | Form 4 ↗ |
Colucci Anthony Chief Financial Officer | Feb 27, 2026 | Award | 11,654 | — | — | 241.8K | Form 4 ↗ |
Greenawalt Ryan Chief Executive Officer | Feb 27, 2026 | Award | 80,115 | — | — | 5.73M | Form 4 ↗ |
Nair Sidhartha director | Mar 11, 2026 | Purchase | 1,000 | $6.37 | $6.4K | 37.8K | Form 4 ↗ |
Nair Sidhartha director | Mar 9, 2026 | Purchase | 1,000 | $6.75 | $6.8K | 36.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Alta Equipment Group Inc. (ALTG) is primarily owned by institutional investors, who hold approximately 64.7% of total shares outstanding. Company insiders own approximately 47.06%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Alta Equipment Group Inc. is MILL ROAD CAPITAL MANAGEMENT LLC, holding approximately 4.29 million shares — equal to 13.01% of outstanding shares — as of September 30, 2025.
A total of 138 institutional investors currently hold ALTG stock, with a combined institutional value of approximately $152,296,324 as of the most recent 13F filing period.
Frequently asked questions
ALTG ownershipAlta Equipment Group Inc. (ALTG) is primarily owned by institutional investors, who hold approximately 64.7% of shares. The largest shareholder is MILL ROAD CAPITAL MANAGEMENT LLC with a 13.01% stake. Company insiders hold 47.06%. Data sourced from SEC Form 13F as of September 30, 2025.