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

Q: What does CUSIP 02128L106 represent in this 13F holders report?

CUSIP 02128L106 is the security identifier for ALTG - ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held ALTG - ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share in Q1 2026?

125 institutional investors reported ALTG - ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: 02128L106

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Common stock, $0.0001 par value per share
Total 13F shares: 18,991,014
Total 13F value: $101,987,534
Share change: -493,212
Put/Call ratio: 0%
SEC-reported price per share: $5.37
Number of holders: 125
Value change: -$2,164,482
Number of buys: 66
Number of sells: 51
Shares outstanding: 32,682,273

Security key

02128L106

Report period

Q1 2026

Institutions

125

Top holders

ALTG full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 ALTA EQUIPMENT GROUP INC. SEC filings ALTA EQUIPMENT GROUP INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 02128L106

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024

Ownership snapshot

Top reported holders of ALTG - ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Mill Road Capital III, L.P.

Disclosed value leader

Ryan Greenawalt

Comparable rows

15/15

Latest evidence

12 Mar 2026

3/4/5 13D/G 13F Lead comparable stake: 13% 13D/G row: Mill Road Capital III, L.P. Showing 1-6 of 15 holder rows.

Quick read

Mill Road Capital III, L.P. leads the comparable SEC ownership view at 13%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Mill Road Capital III, L.P.'s linked filing trail.

Comparable ownership Top 5

Mill Road Capital III, L.P. 13%

BlackRock, Inc. 4.9%

Ryan Greenawalt 18%

Anthony Colucci 0.74%

Jeffrey Alan Hoover 0.26%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Mill Road Capital III, L.P.	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	13% from 13D/G	$26,005,281 4,373,208 shares	+$492,012	12 Mar 2026
BlackRock, Inc.	13D/G 13F Company 13D/G 13F	4.9%	$10,368,541 1,640,566 shares	$0	30 Jun 2025
Ryan Greenawalt	3/4/5 Chief Executive Officer, Director, 10%+ Owner 3/4/5	18%	$40,335,766 5,721,710 shares	—	27 Feb 2026
Anthony Colucci	3/4/5 Chief Financial Officer 3/4/5	0.74%	$1,697,696 240,750 shares	—	27 Feb 2026
Jeffrey Alan Hoover	3/4/5 Chief Legal Officer 3/4/5	0.26%	$550,745 84,730 shares	—	27 Feb 2026
Mill Road Capital Management LLC	13F Company 13F	13%	$19,748,757 4,293,208 shares	—	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

125

18,991,014

Rows available

125

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

115

Q1 2026 holders

125

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend