Quantum Ownership | Who Owns Quantum?


OverviewForecastRevenueFinancialsChartTranscripts

Quantum Ownership Summary


Quantum is owned by 18.02% institutional investors, 11.36% insiders, and 70.62% retail investors. Marshall wace, llp is the largest institutional shareholder, holding 3.63% of QMCO shares. Neuberger Berman Intrinsic Value I is the top mutual fund, with 7.76% of its assets in Quantum shares.

QMCO Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockQuantum18.02%11.36%70.62%
SectorTechnology Stocks 144.30%12.52%-56.82%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Marshall wace, llp178.02K3.63%$1.77M
Blackrock funding, inc. /de141.31K2.88%$1.41M
Geode capital management1.02M1.06%$416.72K
Blackrock916.90K0.96%$375.11K
Sassicaia capital advisers23.27K0.47%$231.97K
State street342.33K0.36%$140.05K
Cibc private wealth group10.40K0.21%$103.73K
Price t rowe associates inc /md/100.60K0.10%$41.00K
Raymond james financial4.62K0.09%$46.01K
Bridgeway capital management84.80K0.09%$34.69K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Sassicaia capital advisers23.27K0.15%$231.97K
Covestor942.000.01%$9.00K
Fny investment advisers667.000.00%$6.00K
Marshall wace, llp178.02K0.00%$1.77M
Bridgeway capital management84.80K0.00%$34.69K
Fortitude family office46.000.00%$459.00
Cibc private wealth group10.40K0.00%$103.73K
National bank of canada /fi/---
Long focus capital management---
Whittier trust187.00-$1.86K

Top Buyers

HolderShares% AssetsChange
Marshall wace, llp178.02K0.00%178.02K
Geode capital management1.02M-55.63K
Sassicaia capital advisers23.27K0.15%23.27K
Blackrock funding, inc. /de141.31K-12.08K
Cibc private wealth group10.40K0.00%10.40K

Top Sellers

HolderShares% AssetsChange
Neuberger berman group---14.31M
Long focus capital management---9.17M
Vanguard group---5.02M
Tcw group---2.12M
Pacific ridge capital partners---1.26M

New Positions

HolderShares% AssetsChangeValue
Sassicaia capital advisers23.27K0.15%23.27K$231.97K
Simplex trading3.90K-3.90K$1.00K
Covestor942.000.01%942.00$9.00K
Newedge advisors700.00-700.00$6.98K
Fny investment advisers667.000.00%667.00$6.00K

Sold Out

HolderChange
Cornerstone planning group-5.00
Fmr-15.00
National bank of canada /fi/-20.00
Continuum advisory-34.00
Motco-37.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20253417.24%884,330-47.66%181.52%21-775.00%
Mar 31, 202529-38.30%1,689,433-6.29%342.55%21-34.38%4-
Dec 31, 20241-56,000-1-1---
Jun 30, 202451-17.74%47,929,627-2.18%501.83%22-10-33.33%
Mar 31, 2024625.08%48,998,824-4.02%521.76%2215.79%15-16.67%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Neuberger Berman Intrinsic Value I371.91K7.76%-1.00
Vanguard US Total Market Shares ETF166.09K2.85%-
Vanguard Total Stock Mkt Idx Inv162.54K2.34%-3.55K
Neuberger Berman Small Cap Intrinsic Val108.60K2.27%1.00
Pacific Ridge Capital Ptnrs Micro Cp Val1.17M1.22%-67.04K
Vanguard Institutional Extnd Mkt Idx Tr73.12K1.05%-13.76K
Herald Ord1.00M1.04%-
Neuberger Berman US SCp Intrs Val $I Acc35.03K0.60%-
Fidelity Extended Market Index31.81K0.46%-83.00
Acuitas US Microcap Strategy307.60K0.32%-1.79K

Recent Insider Transactions


DateNameRoleActivityValue
Apr 21, 2025Moorehead Lewis W. Chief Accounting OfficerSell$1.73K
Apr 21, 2025Lerner James J President & CEOSell$26.86K
Apr 21, 2025Cabrera Brian E SVP Chief Admin Ofcr & SecySell$10.40K
Apr 15, 2025PACIFIC INVESTMENT MANAGEMENT CO LLC-Sell$9.86M
Apr 02, 2025Nash Laura A. Chief Accounting OfficerSell$1.75K

Insider Transactions Trends


DateBuySell
2025 Q2-5
2025 Q1-11
2024 Q4-11
2024 Q3--
2024 Q2--

QMCO Ownership FAQ


Who owns the most shares of Quantum?

Quantum’s largest shareholders are Marshall wace, llp (178.02K shares, 3.63%), Blackrock funding, inc. /de (141.31K shares, 2.88%), and Geode capital management (1.02M shares, 1.06%). Together, they hold 7.57% of Quantum’s total shares outstanding.

Does Blackrock own Quantum?

Yes, BlackRock owns 0.96% of Quantum, totaling 916.9K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 375.1K$. In the last quarter, BlackRock decreased its holdings by -79.957K shares, a -8.02% change.

Who is Quantum’s biggest shareholder by percentage of total assets invested?

Sassicaia capital advisers is Quantum’s biggest shareholder by percentage of total assets invested, with 0.15% of its assets in 23.27K Quantum shares, valued at 231.97K$.

Who is the top mutual fund holder of Quantum shares?

Neuberger Berman Intrinsic Value I is the top mutual fund holder of Quantum shares, with 7.76% of its total shares outstanding invested in 371.91K Quantum shares.

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