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Quantum Corp

QMCO
Exchange
Nasdaq
Industry
Computer Storage Devices
SEC CIK
0000709283

In the last 90 days, Quantum Corp insiders filed 0 open-market purchases and 3 sales; 60 institutions reported holding it in 13F filings for Q2 2026, worth $158.1M in total; Oaktree Capital is the only superinvestor holding it.

13F holders, Q4 2022

Institutional positions in Quantum Corp as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
76
−6 vs. Q3 2022
Shares held
64.9M
+1.73M (+2.7%) vs. Q3 2022
Total value
$70.7M
+$1.78M (+2.6%) vs. Q3 2022
New holders
7
15 more added
Sold out
13
33 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting QMCO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2022: 76 institutions
Q1 2021: 106 institutionsQ2 2021: 111 institutionsQ3 2021: 95 institutionsQ4 2021: 105 institutionsQ1 2022: 94 institutionsQ2 2022: 92 institutionsQ3 2022: 83 institutionsQ4 2022: 76 institutionsQ1 2023: 72 institutionsQ2 2023: 64 institutionsQ3 2023: 62 institutionsQ4 2023: 62 institutionsQ1 2024: 60 institutionsQ2 2024: 52 institutionsQ3 2024: 26 institutionsQ4 2024: 47 institutionsQ1 2025: 29 institutionsQ2 2025: 35 institutionsQ3 2025: 29 institutionsQ4 2025: 40 institutionsQ1 2026: 37 institutionsQ2 2026: 60 institutions
Value heldQ4 2022: $70.7M
Q1 2021: $333.3MQ2 2021: $292.9MQ3 2021: $226.7MQ4 2021: $230.2MQ1 2022: $99.0MQ2 2022: $93.6MQ3 2022: $69.0MQ4 2022: $70.7MQ1 2023: $68.9MQ2 2023: $63.1MQ3 2023: $34.8MQ4 2023: $17.8MQ1 2024: $28.6MQ2 2024: $19.5MQ3 2024: $7.96MQ4 2024: $95.0MQ1 2025: $24.3MQ2 2025: $8.82MQ3 2025: $8.58MQ4 2025: $13.3MQ1 2026: $7.66MQ2 2026: $158.1M
Institutions holding QMCO and their total value by quarter
QuarterHoldersValue
Q2 202660$158.1M
Q1 202637$7.66M
Q4 202540$13.3M
Q3 202529$8.58M
Q2 202535$8.82M
Q1 202529$24.3M
Q4 202447$95.0M
Q3 202426$7.96M
Q2 202452$19.5M
Q1 202460$28.6M
Q4 202362$17.8M
Q3 202362$34.8M
Q2 202364$63.1M
Q1 202372$68.9M
Q4 202276$70.7M
Q3 202283$69.0M
Q2 202292$93.6M
Q1 202294$99.0M
Q4 2021105$230.2M
Q3 202195$226.7M
Q2 2021111$292.9M
Q1 2021106$333.3M

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q3 2022.

Institutions holding QMCO in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Tower Research Capital LLC (TRC)97$00.00%−7,468−98.7%Reduced
JPMorgan Chase & Co177$00.00%00.0%Unchanged
Highlander Capital Management, LLC25$00.00%00.0%Unchanged
GW&K Investment Management, LLC197$00.00%+197New
Simplex Trading, LLC20$00.00%+20New
Group One Trading, L.P.1$10.00%00.0%Unchanged
Proequities, Inc.171$1860.00%00.0%Unchanged
Bank of America Corp642$7000.00%+3+0.5%Added
Truvestments Capital LLC687$7490.00%00.0%Unchanged
BDO Wealth Advisors, LLC1,000$1.09K0.00%00.0%Unchanged
Federated Hermes, Inc.1,431$1.56K0.00%−334−18.9%Reduced
FMR LLC1,587$1.73K0.00%+1,587New
Spire Wealth Management1,400$2.00K0.00%−1,000−41.7%Reduced
Advisor Group Holdings, Inc.1,703$2.00K0.00%−150−8.1%Reduced
Whittier Trust Co3,750$4.05K0.00%00.0%Unchanged
UBS Group AG4,151$4.52K0.00%−366−8.1%Reduced
Cambridge Trust Co5,868$6.00K0.00%00.0%Unchanged
Wells Fargo & Company5,731$6.25K0.00%−12−0.2%Reduced
Barclays PLC9,110$9.93K0.00%00.0%Unchanged
Sargent Bickham Lagudis LLC9,841$10.7K0.00%00.0%Unchanged
Pathstone Family Office, LLC10,254$11.2K0.00%00.0%Unchanged
RBF Capital, LLC11,025$12.0K0.00%−18,875−63.1%Reduced
State of Wyoming11,381$12.4K0.00%+3,774+49.6%Added
Heritage Investors Management Corp12,615$14.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC13,700$14.9K0.00%−24,400−64.0%Reduced
Gsa Capital Partners LLP14,332$16.0K0.00%−777−5.1%Reduced
Two Sigma Advisers, LP15,300$16.7K0.00%−51,700−77.2%Reduced
Atria Wealth Solutions, Inc.17,000$18.5K0.00%00.0%Unchanged
Delta Investment Management, LLC19,245$21.0K0.01%−15,000−43.8%Reduced
Public Employees Retirement System of Ohio19,658$21.0K0.00%−4,462−18.5%Reduced
Goldman Sachs Group Inc24,818$27.1K0.00%−433,352−94.6%Reduced
Bank of New York Mellon Corp25,363$27.6K0.00%−29,510−53.8%Reduced
Russell Investments Group, Ltd.25,476$27.8K0.00%−126,410−83.2%Reduced
HighTower Advisors, LLC26,023$28.0K0.00%+26,023New
Occudo Quantitative Strategies LP27,281$29.7K0.00%−23,543−46.3%Reduced
Engineers Gate Manager LP27,693$30.2K0.00%−11,778−29.8%Reduced
Morgan Stanley27,827$30.3K0.00%−20,167−42.0%Reduced
SEI Investments Co37,332$40.6K0.00%−8,818−19.1%Reduced
Krilogy Financial LLC45,000$49.0K0.00%+45,000New
Ameriprise Financial Inc53,160$58.0K0.00%−694−1.3%Reduced
Charles Schwab Investment Management Inc57,798$63.0K0.00%00.0%Unchanged
Marathon Capital Management60,000$65.4K0.02%−263,422−81.4%Reduced
Two Sigma Investments, LP61,091$66.6K0.00%−59,432−49.3%Reduced
Qube Research & Technologies Ltd63,082$68.8K0.00%+10,869+20.8%Added
Citadel Advisors LLC72,846$79.4K0.00%+39,737+120.0%Added
Ergoteles LLC85,694$93.4K0.00%−91,865−51.7%Reduced
Susquehanna International Group, LLP88,975$97.0K0.00%+88,975New
Invesco Ltd.144,218$157.2K0.00%−729−0.5%Reduced
Price T Rowe Associates Inc146,400$160.0K0.00%00.0%Unchanged
Renaissance Technologies LLC151,810$165.0K0.00%+47,754+45.9%Added
Northern Trust Corp158,525$172.8K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.208,704$227.5K0.00%+6,741+3.3%Added
LPL Financial LLC270,220$294.5K0.00%−6,413−2.3%Reduced
Acadian Asset Management LLC273,118$296.0K0.00%+60,257+28.3%Added
State Street Corp274,615$299.3K0.00%+61,914+29.1%Added
Bridgeway Capital Management, LLC285,000$310.6K0.01%+75,000+35.7%Added
Kovack Advisors, Inc.352,001$383.7K0.06%+116,078+49.2%Added
Millennium Management LLC373,283$407.0K0.00%−19,186−4.9%Reduced
Jacobs Levy Equity Management, Inc382,918$417.4K0.00%−60,051−13.6%Reduced
AWM Investment Company, Inc.657,280$716.4K0.10%−173,714−20.9%Reduced
Herald Investment Management Ltd746,850$821.0K0.20%00.0%Unchanged
Geode Capital Management, LLC977,141$1.06M0.00%+58,065+6.3%Added
BlackRock Inc.1,117,903$1.22M0.00%+1,775+0.2%Added
King Luther Capital Management Corp1,364,915$1.49M0.01%00.0%Unchanged
Pacific Ridge Capital Partners, LLC1,370,413$1.49M0.35%−26,298−1.9%Reduced
Roumell Asset Management, LLC1,779,469$1.94M4.80%00.0%Unchanged
TCW Group Inc2,120,168$2.31M0.03%00.0%Unchanged
Senvest Management, LLC2,550,931$2.78M0.09%−3,095,095−54.8%Reduced
B. Riley Financial, Inc.3,824,811$4.17M0.94%−180,629−4.5%Reduced
B. Riley Securities, Inc.3,824,811$4.17M0.91%+3,824,811New
Vanguard Group Inc4,777,649$5.21M0.00%+818,800+20.7%Added
Solas Capital Management, LLC5,086,000$5.54M3.32%+1,700,000+50.2%Added
Long Focus Capital Management, LLC5,104,927$5.56M0.92%+192,325+3.9%Added
Allianz Asset Management GmbH10,248,322$11.2M0.02%00.0%Unchanged
Neuberger Berman Group LLC15,287,580$16.7M0.02%−471,788−3.0%Reduced
IFP Advisors, Inc2,310––−1,598−40.9%Reduced
Union Square Park Capital Management, LLC0$00.00%−115,275−100.0%Sold out
Virtu Financial LLC0$00.00%−25,660−100.0%Sold out
Highland Private Wealth Management0$00.00%−25,723−100.0%Sold out
LMR Partners LLP0$00.00%−21,138−100.0%Sold out
Quadrature Capital Ltd0$00.00%−14,836−100.0%Sold out
Captrust Financial Advisors0$00.00%−12,626−100.0%Sold out
Brown Brothers Harriman & Co0$00.00%−2,836−100.0%Sold out
Quantbot Technologies LP0$00.00%−3,300−100.0%Sold out
Castle Wealth Management LLC0$00.00%−2,000−100.0%Sold out
Royal Bank of Canada0$00.00%−500−100.0%Sold out
Abound Wealth Management0$00.00%−4−100.0%Sold out
Capital Advisors, Ltd. LLC0$00.00%−125−100.0%Sold out
Cowa, LLC0$00.00%−12−100.0%Sold out
Eidelman Virant Capital––––Not filed