Quantum Corporation - Common Stock, par value $0.01 per share (QMCO)

CUSIP: 747906501

Q4 2023 13F Holders as of 31 Dec 2023

Holder snapshot 6 signals
Share change
-5,976,168
SEC-reported price per share
$0.35
Number of holders
59
Value change
-$3,988,410
Number of buys
17
Number of sells
29
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
6,545,082

Security key

747906501

Report period

Q4 2023

Institutions

59

Top holders

10

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
30 Sep 2023
13F 3/4/5 Lead comparable stake: 234% Showing 1-6 of 15 holder rows.

Quick read

Neuberger Berman Group LLC leads the comparable SEC ownership view at 234%.

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 234%
Allianz Asset Management GmbH 157%
Long Focus Capital Management, LLC 99%
VANGUARD GROUP INC 77%
Solas Capital Management, LLC 43%

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
13F
234%
$9,353,668
15,332,750 shares
30 Sep 2023
Allianz Asset Management GmbH
13F
Company
13F
157%
$6,251,476
10,248,322 shares
30 Sep 2023
Long Focus Capital Management, LLC
13F
Company
13F
99%
$3,949,079
6,473,900 shares
30 Sep 2023
VANGUARD GROUP INC
13F
Company
13F
77%
$3,061,516
5,018,880 shares
30 Sep 2023
Solas Capital Management, LLC
13F
Company
13F
43%
$1,711,320
2,805,443 shares
30 Sep 2023
Senvest Management, LLC
13F
Company
13F
39%
$1,556,068
2,550,931 shares
30 Sep 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 Q4 2023

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

Institutions
59
Shares
51,049,921
Rows available
59
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 Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders
61
Q4 2023 holders
59
Holder diff
-2
Investor Q3 2023 Shares Q4 2023 Shares Share Diff Share Chg % Q3 2023 value Q4 2023 value Value change Value Chg %
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