Security Snapshot

ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share (ALTG) Institutional Ownership

CUSIP: 02128L106

13F Institutional Holders and Ownership History from Q1 2020 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

132

Shares (Excl. Options)

19.96MFull value: 19,956,079 · shares · 30 Jun 2026

Price

$6.47

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common stock, $0.0001 par value per share
Symbol
ALTG on NYSE
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
19,956,079
Latest holder snapshot 5 signals
Total 13F value
$129,071,201
Portfolio coverage rank
0%
Share change
+974,526
Value change
+$6,699,197
Number of holders
132
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
32,682,273
SEC-reported price per share
$6.08
Insider filing price
$6.08
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • ALTG - ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share is tracked under CUSIP 02128L106.
  • 132 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 125 to 132 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $101.99MFull value: $101,987,534 · USD · 31 Mar 2026
    to
    $129.07MFull value: $129,071,201 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 132 institutions filings for Q2 2026.

Open SEC evidence

Security key

02128L106

13F reference period

Q2 2026

13F holders

132

13D/G owners

3

CIK / CUSIP context first

Open Q2 2026 holders ALTG full holder history ALTA EQUIPMENT GROUP INC. SEC filings ALTA EQUIPMENT GROUP INC. company facts ALTA EQUIPMENT GROUP INC. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
ALTG
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Mill Road Capital III, L.P. 13% $19,748,757 4,293,208 Mill Road Capital III, L.P. 21 Jan 2026
CastleKnight Master Fund LP 5.5% $11,629,987 1,797,525 CastleKnight Master Fund LP 02 Jul 2026
BlackRock, Inc. 4.9% $10,368,541 1,640,566 BlackRock, Inc. 30 Jun 2025
As of 30 Jun 2026, 132 institutional investors reported holding
19.96MFull value: 19,956,079 · shares · 30 Jun 2026
shares of ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share (ALTG). This represents 61% of the company’s total
32.68MFull value: 32,682,273 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
52%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Mill Road Capital Management LLC 13% 4,373,208 0% 14% $28,294,656
BlackRock, Inc. 5.1% 1,661,967 +2.6% 0% $10,752,927
CastleKnight Management LP 4.9% 1,617,525 +64% 0.38% $10,465,387
Voss Capital, LP 3.6% 1,176,515 -51% 0.38% $7,612,052
VANGUARD CAPITAL MANAGEMENT LLC 3.2% 1,053,534 +1.6% 0% $6,816,365
ROYCE & ASSOCIATES LP 3.1% 1,010,296 +80% 0.05% $6,536,615
Nantahala Capital Management, LLC 2.2% 724,774 -22% 0.28% $4,689,288
First Eagle Investment Management, LLC 1.6% 520,000 -29% 0.01% $3,364,400
STATE STREET CORP 1.6% 516,614 +0.16% 0% $3,342,493
AQR CAPITAL MANAGEMENT LLC 1.6% 513,876 +247% 0% $3,324,779
GEODE CAPITAL MANAGEMENT, LLC 1.6% 510,566 +7.5% 0% $3,304,116
DIMENSIONAL FUND ADVISORS LP 1.4% 462,637 -6.1% 0% $2,993,849
CITADEL ADVISORS LLC 0.94% 307,721 +12% 0% $1,990,955
ACADIAN ASSET MANAGEMENT LLC 0.92% 300,263 +173% 0% $1,938,000
TUDOR INVESTMENT CORP ET AL 0.84% 275,387 +87% 0.01% $1,781,754
CIBC Bancorp USA Inc. 0.78% 256,462 +0.04% 0% $1,659,309
Point72 Asset Management, L.P. 0.75% 243,692 +37% 0% $1,576,687
GOLDMAN SACHS GROUP INC 0.7% 228,846 +22% 0% $1,480,634
JACOBS LEVY EQUITY MANAGEMENT, INC 0.66% 216,739 +79% 0.01% $1,402,301
VANGUARD PORTFOLIO MANAGEMENT LLC 0.57% 187,063 +35% 0% $1,210,298
WOLVERINE ASSET MANAGEMENT LLC 0.54% 177,840 +253% 0.02% $1,150,625
MILLENNIUM MANAGEMENT LLC 0.53% 172,585 +33% 0% $1,116,625
NORTHERN TRUST CORP 0.48% 156,130 +0.21% 0% $1,010,162
BNP PARIBAS FINANCIAL MARKETS 0.46% 151,899 0% 0% $982,787
RBF Capital, LLC 0.46% 148,760 -17% 0.04% $962,477

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
27
Headline period
Q2 2026
Rows shown
1-25 of 27
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 407,524 $2,482,021 +$775,638 $6.08 17
2026 Q2 19,956,079 $129,071,201 +$6,699,197 $6.47 132
2026 Q1 18,991,014 $101,987,534 -$2,164,482 $5.37 125
2025 Q4 19,598,579 $90,198,631 -$4,829,023 $4.60 115
2025 Q3 20,556,580 $148,809,819 -$3,856,414 $7.24 131
2025 Q2 21,230,762 $134,179,874 -$3,655,649 $6.32 100
2025 Q1 21,923,285 $102,251,139 -$5,875,568 $4.69 99
2024 Q4 22,581,416 $147,652,446 -$925,741 $6.54 103
2024 Q3 22,631,121 $152,531,703 -$4,111,080 $6.74 101
2024 Q2 23,000,175 $185,023,388 -$17,047,081 $8.04 115
2024 Q1 24,297,925 $314,400,125 +$3,919,310 $12.95 123
2023 Q4 24,129,847 $298,469,421 +$10,644,952 $12.37 115
2023 Q3 23,078,851 $278,330,629 -$736,346 $12.06 112
2023 Q2 23,018,908 $398,911,614 +$1,721,233 $17.33 109
2023 Q1 22,993,898 $364,446,767 +$31,923,996 $15.85 101
2022 Q4 27,073,317 $357,093,365 +$7,404,644 $13.19 95
2022 Q3 20,473,626 $225,412,300 +$440,217 $11.01 91
2022 Q2 20,422,437 $183,179,475 -$665,126 $8.97 79
2022 Q1 20,475,882 $253,038,369 +$20,000 $12.36 76
2021 Q4 20,449,740 $299,314,843 -$17,227,548 $14.64 74
2021 Q3 20,949,078 $287,638,799 +$2,451,949 $13.73 73
2021 Q2 20,769,853 $276,031,000 +$12,651,891 $13.29 71
2021 Q1 19,619,708 $255,058,000 +$7,248,809 $13.00 65
2020 Q4 19,370,750 $191,383,269 +$7,314,761 $9.88 61
2020 Q3 18,743,571 $146,760,000 +$853,127 $7.83 63
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