Security key
747906501
Quantum Corporation - Common Stock, par value $0.01 per share (QMCO)
CUSIP: 747906501
Q3 2023 13F Holders as of 30 Sep 2023
- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Total 13F shares
- 56,991,089
- Total 13F value
- $34,765,638
- Share change
- -1,273,021
- SEC-reported price per share
- $0.61
- Number of holders
- 61
- Value change
- -$1,021,935
- Number of buys
- 20
- Number of sells
- 27
- Shares outstanding
- 6,545,082
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2023
Institutions
61
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
BRC Group Holdings, Inc.
Disclosed value leader
Neuberger Berman Group LLC
Comparable rows
0/15
Latest evidence
30 Jun 2023
13F
3/4/5
Highest disclosed value: $16,869,130
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Neuberger Berman Group LLC has the largest disclosed position value at $16.87M.
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 Neuberger Berman Group LLC's linked filing trail.
Disclosed position value
Top 5
BRC Group Holdings, Inc.
$2.63M
Neuberger Berman Group LLC
$16.87M
Allianz Asset Management GmbH
$11.07M
Long Focus Capital Management, LLC
$5.85M
VANGUARD GROUP INC
$5.42M
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 |
|---|---|---|---|---|---|
| BRC Group Holdings, Inc. |
13F
3/4/5
Company · 10%+ Owner
|
—
denominator unverified
|
$2,631,207
2,436,303 shares
|
— | 30 Jun 2023 |
| Neuberger Berman Group LLC |
13F
Company
|
—
denominator unverified
|
$16,869,130
15,613,818 shares
|
— | 30 Jun 2023 |
| Allianz Asset Management GmbH |
13F
Company
|
—
denominator unverified
|
$11,068,188
10,248,322 shares
|
— | 30 Jun 2023 |
| Long Focus Capital Management, LLC |
13F
Company
|
—
denominator unverified
|
$5,848,602
5,415,372 shares
|
— | 30 Jun 2023 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$5,420,390
5,018,880 shares
|
— | 30 Jun 2023 |
| Solas Capital Management, LLC |
13F
Company
|
—
denominator unverified
|
$4,035,550
3,736,620 shares
|
— | 30 Jun 2023 |
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 Q3 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
61
Shares
56,991,089
Rows available
61
| 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 Q3 2023 vs Q2 2023 Across Filers
Q2 2023 holders
63
Q3 2023 holders
61
Holder diff
-2
| Investor | Q2 2023 Shares | Q3 2023 Shares | Share Diff | Share Chg % | Q2 2023 value | Q3 2023 value | Value change | Value Chg % |
|---|