Alta Equipment Group Inc. (ALTG) Ownership
ALTG ownership summary
as of October 18, 2026- Institutions
- 62.7% of shares outstanding
- Insiders
- 26.91% of shares outstanding
- Shares outstanding
- 32.7M
- Float
- 17.8M shares available to trade
- Short interest
- 3.26% 599K shares short
- Days to cover
- 2.63 short interest up 0.3% vs prior month
- Institutions 62.66%
- Insiders 26.91%
- Other investors 10.43%
ALTG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Mill Road Capital Management LLC | 13.39% | 4.4M | $26.0M | — | June 30, 2026 |
| 2 | BlackRock Inc | 5.09% | 1.7M | $9.9M | +42,202 (+2.6%) | June 30, 2026 |
| 3 | CastleKnight Management LP | 4.95% | 1.6M | $9.6M | +632,837 (+64.3%) | June 30, 2026 |
| 4 | Nantahala Capital Management, LLC | 4.44% | 1.4M | $8.6M | +514,774 (+55.1%) | June 30, 2026 |
| 5 | Voss Capital LLC | 3.60% | 1.2M | $7.0M | −1.2M (−51.5%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 3.23% | 1.1M | $6.3M | +17,064 (+1.6%) | June 30, 2026 |
| 7 | Arnhold & S. Bleichroeder Advisers, LLC | 3.18% | 1.0M | $6.2M | +309,563 (+42.4%) | June 30, 2026 |
| 8 | Royce & Associates, LP | 3.09% | 1.0M | $6.0M | +449,513 (+80.2%) | June 30, 2026 |
| 9 | State Street Corp | 1.58% | 517K | $3.1M | +850 (+0.2%) | June 30, 2026 |
| 10 | AQR Capital Management LLC | 1.57% | 514K | $3.1M | +365,845 (+247.1%) | June 30, 2026 |
| 11 | Geode Capital Management, LLC | 1.56% | 511K | $3.0M | +35,654 (+7.5%) | June 30, 2026 |
| 12 | Dimensional Fund Advisors, Inc. | 1.42% | 463K | $2.7M | −30,260 (−6.1%) | June 30, 2026 |
| 13 | Citadel Advisors Llc | 0.94% | 308K | $1.8M | +34,046 (+12.4%) | June 30, 2026 |
| 14 | Acadian Asset Management LLC | 0.92% | 300K | $1.8M | +190,281 (+173.0%) | June 30, 2026 |
| 15 | Tudor Investment Corp Et AL | 0.84% | 275K | $1.6M | +128,087 (+87.0%) | June 30, 2026 |
| 16 | CIBC Bancorp USA Inc. | 0.79% | 256K | $1.5M | +115 (+0.0%) | June 30, 2026 |
| 17 | Point72 Asset Management, L.P. | 0.75% | 244K | $1.4M | +65,197 (+36.5%) | June 30, 2026 |
| 18 | The Goldman Sachs Group Inc | 0.70% | 229K | $1.4M | +40,650 (+21.6%) | June 30, 2026 |
| 19 | Jacobs Levy Equity Management, Inc. | 0.66% | 217K | $1.3M | +95,624 (+79.0%) | June 30, 2026 |
| 20 | Vanguard Portfolio Management, LLC | 0.57% | 187K | $1.1M | +48,935 (+35.4%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 3.0M shares and 2 cut 1.3M.
ALTG top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.45% | 799K | $4.7M | — | August 31, 2026 |
| 2 | Royce Micro-Cap Trust | 1.95% | 638K | $3.8M | +296,497 (+86.8%) | June 30, 2026 |
| 3 | iShares Russell 2000 ETF | 1.59% | 520K | $3.1M | −6,016 (−1.1%) | September 30, 2026 |
| 4 | First Eagle Small Cap Opportunity I | 1.41% | 462K | $2.7M | — | August 31, 2026 |
| 5 | Royce Micro-Cap Invmt | 0.86% | 281K | $1.7M | +116,973 (+71.4%) | June 30, 2026 |
| 6 | Fidelity Small Cap Index | 0.66% | 214K | $1.3M | +1,315 (+0.6%) | July 31, 2026 |
| 7 | iShares Russell 2000 Value ETF | 0.47% | 155K | $920,676 | +236 (+0.2%) | September 30, 2026 |
| 8 | Vanguard Russell 2000 ETF | 0.35% | 115K | $684,383 | +2,280 (+2.0%) | August 31, 2026 |
| 9 | Fidelity Extended Market Index | 0.32% | 103K | $611,701 | −553 (−0.5%) | August 31, 2026 |
| 10 | Royce Capital Micro-Cap Inv | 0.28% | 91K | $543,088 | +36,043 (+65.1%) | June 30, 2026 |
| 11 | Dimensional US Core Equity 2 ETF | 0.20% | 66K | $392,581 | — | September 30, 2026 |
| 12 | DFA US Small Cap I | 0.20% | 66K | $392,153 | — | August 31, 2026 |
| 13 | iShares Micro-Cap ETF | 0.19% | 63K | $372,901 | −433 (−0.7%) | September 30, 2026 |
| 14 | iShares Core S&P Total US Stock Mkt ETF | 0.17% | 54K | $322,720 | +50 (+0.1%) | September 30, 2026 |
| 15 | Vanguard VIF Small Co Gr | 0.16% | 52K | $309,973 | +52,184 (0.0%) | June 30, 2026 |
| 16 | Voya Index Plus SmallCap Port I | 0.16% | 52K | $308,238 | — | August 31, 2026 |
| 17 | Russell Inv Tax-Managed US Mid&Sm Cap S | 0.15% | 50K | $296,792 | — | August 31, 2026 |
| 18 | Schwab Small Cap Index | 0.15% | 48K | $287,585 | — | August 31, 2026 |
| 19 | DFA US Micro Cap I | 0.14% | 46K | $274,796 | — | August 31, 2026 |
| 20 | Dimensional US Small Cap ETF | 0.13% | 43K | $252,670 | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ALTG insider transactions
latest 12| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | Mill Road Capital Iii, L.P. | Buy | $5.95 | 3,798 | $22,598 |
| 2026-03-12 | Mill Road Capital Iii, L.P. | Buy | $6.10 | 58,162 | $354,788 |
| 2026-03-11 | Mill Road Capital Iii, L.P. | Buy | $6.36 | 18,040 | $114,734 |
| 2026-03-11 | Sidhartha Nair | Buy | $6.37 | 1,000 | $6,370 |
| 2026-03-09 | Sidhartha Nair | Buy | $6.75 | 1,000 | $6,750 |
| 2026-03-05 | Sidhartha Nair | Buy | $7.00 | 1,000 | $7,000 |
| 2026-03-03 | Anthony Colucci | Sell | $7.05 | 8,137 | $57,366 |
| 2026-03-03 | Ryan Greenawalt | Sell | $7.05 | 27,986 | $197,301 |
| 2026-03-03 | Sidhartha Nair | Buy | $7.13 | 1,000 | $7,130 |
| 2025-12-08 | Daniel Shribman | Buy | $5.07 | 40,000 | $202,800 |
| 2025-05-30 | Andrew P Studdert | Buy | $4.80 | 3,257 | $15,634 |
| 2025-05-29 | Andrew P Studdert | Buy | $4.80 | 6,743 | $32,366 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ALTG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ALTG
Institutional investors own 62.7% of Alta Equipment's shares and insiders 26.91%. The largest holder is Mill Road Capital Management LLC with 13.39% of the shares (4.4M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 2 reduced their stake in the latest filings. Short interest is 3.26% of the float, or 2.63 days of average trading volume. The share count rose 76.0% since 2018.
Related: ALTG analyst forecast, ALTG key metrics, ALTG dividend history. See the ALTG stock overview for the latest quote and news.
ALTG ownership FAQ
Who owns the most Alta Equipment stock?
The largest shareholders of Alta Equipment are Mill Road Capital Management LLC (13.39%), BlackRock Inc (5.09%), CastleKnight Management LP (4.95%), Nantahala Capital Management, LLC (4.44%), Voss Capital LLC (3.60%).
What percentage of Alta Equipment is owned by institutions?
Institutions hold 62.7% of Alta Equipment's shares outstanding; insiders hold 26.91%.
Which funds own Alta Equipment?
The largest fund holders of Alta Equipment are Vanguard MStar Total Stk Mkt Idx Invest (2.45%), Royce Micro-Cap Trust (1.95%), iShares Russell 2000 ETF (1.59%), First Eagle Small Cap Opportunity I (1.41%), Royce Micro-Cap Invmt (0.86%).
What is Alta Equipment's short interest?
599K shares of Alta Equipment were sold short, 3.26% of the float; at the average daily volume it would take 2.63 days to cover.
Are insiders buying or selling Alta Equipment?
Of the latest 12 reported insider transactions in Alta Equipment (since May 29, 2025), 10 were purchases and 2 were sales.
How many shares of Alta Equipment are outstanding?
Alta Equipment has 32.7M shares outstanding, of which 17.8M are in the public float.