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 Mar 31, 2025
Ownership Breakdown
106
Institutional Holders
▼ 5 vs Q4
$102.99M
Total Inst. Value
▼ $44.67M vs Q4
32.54M
Shares Outstanding
freeFloat 52.94%
21.97M
13F Shares Held
▼ 614,115 vs Q4
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
Q1 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 | 12.94% | 12.94% | $20.14B | May 15, 2025 | ▲ 23.7K |
VOSS CAPITAL, LLC wholesale-industrial machinery & equipment | 2.98M | 8.99% | 8.99% | $13.98B | May 14, 2025 | ▲ 65.8K |
BLACKROCK, INC. wholesale-industrial machinery & equipment | 1.99M | 6.01% | 6.01% | $9.35B | May 2, 2025 | ▼ 43.4K |
GREENHAVEN ROAD INVESTMENT MANAGEMENT, L.P. wholesale-industrial machinery & equipment | 1.79M | 5.41% | 5.41% | $8.42B | May 5, 2025 | ▼ 970 |
VANGUARD GROUP INC wholesale-industrial machinery & equipment | 1.43M | 4.31% | 4.31% | $6.70B | May 9, 2025 | ▼ 22.5K |
NANTAHALA CAPITAL MANAGEMENT, LLC wholesale-industrial machinery & equipment | 1.04M | 3.14% | 3.14% | $4.89B | May 15, 2025 | ▲ 197.7K |
CIBC PRIVATE WEALTH GROUP, LLC wholesale-industrial machinery & equipment | 761.2K | 2.29% | 2.29% | $3.01B | May 14, 2025 | ▲ 195.4K |
FIRST EAGLE INVESTMENT MANAGEMENT, LLC wholesale-industrial machinery & equipment | 681.7K | 2.06% | 2.06% | $3.20B | May 12, 2025 | ▲ 285.8K |
DIMENSIONAL FUND ADVISORS LP wholesale-industrial machinery & equipment | 647.3K | 1.95% | 1.95% | $3.04B | May 13, 2025 | ▲ 38.9K |
CASTLEKNIGHT MANAGEMENT LP wholesale-industrial machinery & equipment | 573.4K | 1.73% | 1.73% | $2.69B | May 15, 2025 | ▲ 32.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
20
Increased
+1.31M shares5
New Positions
first time holders20
Decreased
−375.7K shares0
Sold Out
fully exitedNet shares change (top 50)
+935.9K
+1.31M / −375.7K
Net new holders
+5
5 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 67.5% 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 12.94% of outstanding shares — as of March 31, 2025.
A total of 106 institutional investors currently hold ALTG stock, with a combined institutional value of approximately $102,986,760 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 67.5% of shares. The largest shareholder is MILL ROAD CAPITAL MANAGEMENT LLC with a 12.94% stake. Company insiders hold 47.06%. Data sourced from SEC Form 13F as of March 31, 2025.