ALTA EQUIPMENT GROUP INC (ALTG) Institutional Shareholders
ALTA EQUIPMENT GROUP INC (ALTG) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $129.09M in ALTG holdings during the latest filing period.
Mill Road Capital Management Llc is currently the largest disclosed institutional shareholder of ALTG tracked by InsiderSet, reporting ownership valued at approximately $28.29M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $26.81M, representing an estimated loss of -5.26% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed ALTG value among the investors covered in this analysis. Major shareholders include Mill Road Capital Management Llc, Blackrock, Inc., Castleknight Management Lp, and several other long-term asset managers with concentrated positions in ALTA EQUIPMENT GROUP INC (ALTG).
This page ranks the largest institutional ALTG shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
132
Total Reported Value
$129.09M
Largest Holder
Mill Road Capital Management Llc
Largest Position
$28.29M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
124
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Mill Road Capital Management Llc | 13.97% | 4,373,208 | $28,294,656 | $26,807,765 | -$1,486,891 | -5.26% | |
| Blackrock, Inc. | 0.00% | 1,661,967 | $10,752,927 | $10,187,858 | -$565,069 | -5.26% | |
| Castleknight Management Lp | 0.38% | 1,617,525 | $10,465,387 | $9,915,428 | -$549,959 | -5.26% | |
| Voss Capital, Lp | 0.38% | 1,176,515 | $7,612,052 | $7,212,037 | -$400,015 | -5.26% | |
| Vanguard Capital Management Llc | 0.00% | 1,053,534 | $6,816,365 | $6,458,163 | -$358,202 | -5.26% | |
| Royce & Associates Lp | 0.05% | 1,010,296 | $6,536,615 | $6,193,114 | -$343,501 | -5.26% | |
| Nantahala Capital Management, Llc | 0.28% | 724,774 | $4,689,288 | $4,442,865 | -$246,423 | -5.26% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.01% | 520,000 | $3,364,400 | $3,187,600 | -$176,800 | -5.26% |
| State Street Corp | 0.00% | 516,614 | $3,342,493 | $3,166,844 | -$175,649 | -5.26% | |
| Aqr Capital Management Llc | 0.00% | 513,876 | $3,324,779 | $3,150,060 | -$174,719 | -5.26% | |
| Geode Capital Management, Llc | 0.00% | 510,566 | $3,304,116 | $3,129,770 | -$174,346 | -5.28% | |
| Dimensional Fund Advisors Lp | 0.00% | 462,637 | $2,993,849 | $2,835,965 | -$157,884 | -5.27% | |
| Citadel Advisors Llc | 0.00% | 307,721 | $1,990,955 | $1,886,330 | -$104,625 | -5.26% | |
| Acadian Asset Management Llc | 0.00% | 300,263 | $1,938,000 | $1,840,612 | -$97,388 | -5.03% | |
| Tudor Investment Corp Et Al | 0.01% | 275,387 | $1,781,754 | $1,688,122 | -$93,632 | -5.26% | |
| Cibc Bancorp Usa Inc. | 0.00% | 256,462 | $1,659,309 | $1,572,112 | -$87,197 | -5.26% | |
| Point72 Asset Management, L.P. | 0.00% | 243,692 | $1,576,687 | $1,493,832 | -$82,855 | -5.26% | |
| Goldman Sachs Group Inc | 0.00% | 228,846 | $1,480,634 | $1,402,826 | -$77,808 | -5.26% | |
| Jacobs Levy Equity Management, Inc | 0.01% | 216,739 | $1,402,301 | $1,328,610 | -$73,691 | -5.26% | |
| Vanguard Portfolio Management Llc | 0.00% | 187,063 | $1,210,298 | $1,146,696 | -$63,602 | -5.26% | |
| Wolverine Asset Management Llc | 0.02% | 177,840 | $1,150,625 | $1,090,159 | -$60,466 | -5.26% | |
| Millennium Management Llc | 0.00% | 172,585 | $1,116,625 | $1,057,946 | -$58,679 | -5.26% | |
| Northern Trust Corp | 0.00% | 156,130 | $1,010,162 | $957,077 | -$53,085 | -5.26% | |
| Bnp Paribas Financial Markets | 0.00% | 151,899 | $982,787 | $931,141 | -$51,646 | -5.26% | |
| Rbf Capital, Llc | 0.04% | 148,760 | $962,477 | $911,899 | -$50,578 | -5.26% | |
| Register Financial Advisors Llc | 0.29% | 146,635 | $948,731 | $898,873 | -$49,858 | -5.26% | |
| Vanguard Fiduciary Trust Co | 0.00% | 142,715 | $923,366 | $874,843 | -$48,523 | -5.26% | |
| Quantinno Capital Management Lp | 0.00% | 139,866 | $904,934 | $857,379 | -$47,555 | -5.26% | |
| Gsa Capital Partners Llp | 0.05% | 132,923 | $860,000 | $814,818 | -$45,182 | -5.25% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 108,287 | $700,617 | $663,799 | -$36,818 | -5.26% | |
| Bank Of America Corp | 0.00% | 101,375 | $655,896 | $621,429 | -$34,467 | -5.25% | |
| Squarepoint Ops Llc | 0.00% | 100,657 | $651,251 | $617,027 | -$34,224 | -5.26% | |
| Meixler Investment Management, Ltd. | 0.33% | 92,742 | $600,041 | $568,508 | -$31,533 | -5.26% | |
| Aristeia Capital, L.L.C. | 0.01% | 89,286 | $577,680 | $547,323 | -$30,357 | -5.25% | |
| Strs Ohio | 0.00% | 87,900 | $568,713 | $538,827 | -$29,886 | -5.26% | |
| Walleye Capital Llc | 0.00% | 87,812 | $568,144 | $538,288 | -$29,856 | -5.26% | |
| Jane Street Group, Llc | 0.00% | 76,465 | $494,728 | $468,730 | -$25,998 | -5.25% | |
| Jump Financial, Llc | 0.00% | 68,400 | $442,548 | $419,292 | -$23,256 | -5.26% | |
| Russell Investments Group, Ltd. | 0.00% | 64,693 | $418,563 | $396,568 | -$21,995 | -5.25% | |
| Bank Of New York Mellon Corp | 0.00% | 58,822 | $380,577 | $360,579 | -$19,998 | -5.25% | |
| Charles Schwab Investment Management Inc | 0.00% | 58,530 | $378,689 | $358,789 | -$19,900 | -5.25% | |
| Voya Investment Management Llc | 0.00% | 57,345 | $371,022 | $351,525 | -$19,497 | -5.25% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 56,614 | $366,293 | $347,044 | -$19,249 | -5.26% | |
| Occudo Quantitative Strategies Lp | 0.02% | 56,258 | $363,989 | $344,862 | -$19,127 | -5.25% | |
| Newedge Advisors, Llc | 0.00% | 50,457 | $326,457 | $309,301 | -$17,156 | -5.26% | |
| Dynamic Technology Lab Private Ltd | 0.07% | 47,348 | $306,000 | $290,243 | -$15,757 | -5.15% | |
| Xtx Topco Ltd | 0.00% | 43,340 | $280,410 | $265,674 | -$14,736 | -5.26% | |
| Ubs Group Ag | 0.00% | 41,135 | $266,144 | $252,158 | -$13,986 | -5.26% | |
| Ameriprise Financial Inc | 0.00% | 39,702 | $256,872 | $243,373 | -$13,499 | -5.26% | |
| Bridgeway Capital Management, Llc | 0.00% | 39,400 | $254,918 | $241,522 | -$13,396 | -5.26% |
Frequently asked questions about ALTG
Who owns the most ALTG stock?
The largest holders of ALTG are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ALTA EQUIPMENT GROUP INC (ALTG).
Is ALTG widely held by superinvestors?
Many widely followed stocks like ALTG appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ALTG is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.