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 2023?

101 institutional investors reported ALTG - ALTA EQUIPMENT GROUP INC. - Common stock, $0.0001 par value per share for Q1 2023. Use the holders table for investor-level position and value details.

CUSIP: 02128L106

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common stock, $0.0001 par value per share
Total 13F shares: 22,993,898
Total 13F value: $364,446,767
Share change: +1,944,054
Put/Call ratio: 37550%
SEC-reported price per share: $15.85
Number of holders: 101
Value change: +$31,923,996
Number of buys: 64
Number of sells: 38
Shares outstanding: 32,682,273

Security key

02128L106

Report period

Q1 2023

Institutions

101

Top holders

ALTG full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 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: Q3 2026

Recent filing periods:

Q3 2026

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

B. Riley Securities, Inc.

Disclosed value leader

B. Riley Securities, Inc.

Comparable rows

0/15

Latest evidence

31 Dec 2022

13F Highest disclosed value: $79,150,063 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

B. Riley Securities, Inc. has the largest disclosed position value at $79.15M.

0 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 B. Riley Securities, Inc.'s linked filing trail.

Disclosed position value Top 5

B. Riley Securities, Inc. $79.15M

BRC Group Holdings, Inc. $79.15M

BlackRock Finance, Inc. $18.29M

Voss Capital, LP $17.8M

Mill Road Capital Management LLC $16.58M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

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

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
B. Riley Securities, Inc.	13F Company 13F	— denominator unverified	$79,150,063 6,000,763 shares	—	31 Dec 2022
BRC Group Holdings, Inc.	13F Company 13F	— denominator unverified	$79,150,063 6,000,763 shares	—	31 Dec 2022
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$18,294,940 1,387,031 shares	—	31 Dec 2022
Voss Capital, LP	13F Company 13F	— denominator unverified	$17,797,201 1,349,295 shares	—	31 Dec 2022
Mill Road Capital Management LLC	13F Company 13F	— denominator unverified	$16,578,102 1,256,869 shares	—	31 Dec 2022
Nantahala Capital Management, LLC	13F Company 13F	— denominator unverified	$15,682,712 1,188,985 shares	—	31 Dec 2022

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 2023

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

Institutions

101

22,993,898

Rows available

101

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 2023 vs Q1 2023 Across Filers

Q1 2023 holders

101

Q1 2023 holders

101

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend