Security key
747906501
Quantum Corporation - Common Stock, par value $0.01 per share (QMCO)
CUSIP: 747906501
Q2 2024 13F Holders as of 30 Jun 2024
- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Total 13F shares
- 47,925,726
- Total 13F value
- $19,496,501
- Share change
- -1,066,705
- SEC-reported price per share
- $0.41
- Number of holders
- 50
- Value change
- -$598,863
- Number of buys
- 20
- Number of sells
- 24
- Shares outstanding
- 6,545,082
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2024
Institutions
50
Top holders
10
QMCO full security history
Ownership snapshot
Full 13F holder table
QUANTUM CORP /DE/ SEC filings
QUANTUM CORP /DE/ company facts
Broader feeds
Ownership snapshot
Top reported holders of QMCO - Quantum Corporation - Common Stock, par value $0.01 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
Neuberger Berman Group LLC
Disclosed value leader
Neuberger Berman Group LLC
Comparable rows
15/15
Latest evidence
31 Mar 2024
13F
3/4/5
Lead comparable stake: 224%
Showing 1-6 of 15 holder rows.
Quick read
Neuberger Berman Group LLC leads the comparable SEC ownership view at 224%.
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 Neuberger Berman Group LLC's linked filing trail.
Comparable ownership
Top 5
Neuberger Berman Group LLC
224%
Allianz Asset Management GmbH
157%
Long Focus Capital Management, LLC
140%
VANGUARD GROUP INC
77%
TCW GROUP INC
32%
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 |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC |
13F
Company
|
224%
|
$8,727,071
14,675,556 shares
|
— | 31 Mar 2024 |
| Allianz Asset Management GmbH |
13F
Company
|
157%
|
$6,098,776
10,248,322 shares
|
— | 31 Mar 2024 |
| Long Focus Capital Management, LLC |
13F
Company
|
140%
|
$5,451,603
9,160,819 shares
|
— | 31 Mar 2024 |
| VANGUARD GROUP INC |
13F
Company
|
77%
|
$2,985,053
5,016,053 shares
|
— | 31 Mar 2024 |
| TCW GROUP INC |
13F
Company
|
32%
|
$742,059
2,120,168 shares
|
— | 31 Mar 2024 |
| Pacific Ridge Capital Partners, LLC |
13F
Company
|
20%
|
$783,430
1,316,467 shares
|
— | 31 Mar 2024 |
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 Q2 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
50
Shares
47,925,726
Rows available
50
| 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 Q2 2024 vs Q1 2024 Across Filers
Q1 2024 holders
59
Q2 2024 holders
50
Holder diff
-9
| Investor | Q1 2024 Shares | Q2 2024 Shares | Share Diff | Share Chg % | Q1 2024 value | Q2 2024 value | Value change | Value Chg % |
|---|