Quantum Ownership | Who Owns Quantum?
Quantum Ownership Summary
Quantum is owned by 12.42% institutional investors, 2.56% insiders, and 85.02% retail investors. Vanguard group is the largest institutional shareholder, holding 5.55% 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
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Quantum | 12.42% | 2.56% | 85.02% |
| Sector | Technology Stocks | 35.36% | 13.13% | 51.51% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 625.54K | 5.55% | $4.03M |
| Blackrock funding, inc. /de | 220.75K | 1.96% | $1.42M |
| Geode capital management | 156.87K | 1.39% | $1.01M |
| Blackrock | 916.90K | 0.96% | $375.11K |
| Ubs group | 99.07K | 0.72% | $470.57K |
| Vanguard fiduciary trust | 80.26K | 0.59% | $381.25K |
| State street | 27.35K | 0.30% | $271.28K |
| Quest partners | 29.39K | 0.26% | $189.54K |
| Royal bank of canada | 22.71K | 0.25% | $225.00K |
| Cibc private wealth group | 10.40K | 0.21% | $103.73K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| R squared | 12.24K | 0.03% | $58.16K |
| Riverview capital advisers | 10.00K | 0.03% | $99.20K |
| Quest partners | 29.39K | 0.01% | $189.54K |
| Flagship harbor advisors | 17.18K | 0.00% | $81.63K |
| Bridgeway capital management | 84.80K | 0.00% | $34.69K |
| Hollencrest capital management | 2.00K | 0.00% | $9.50K |
| Sbi securities | 2.00K | 0.00% | $9.52K |
| Cibc private wealth group | 10.40K | 0.00% | $103.73K |
| Ubs group | 99.07K | 0.00% | $470.57K |
| Vanguard group | 625.54K | 0.00% | $4.03M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | 625.54K | 0.00% | 321.94K |
| Vanguard fiduciary trust | 80.26K | 0.00% | 80.26K |
| Geode capital management | 156.87K | 0.00% | 77.44K |
| Blackrock funding, inc. /de | 220.75K | - | 58.41K |
| Barclays | 14.20K | - | 13.74K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Neuberger berman group | - | - | -14.31M |
| Long focus capital management | - | - | -9.17M |
| Tcw group | - | - | -2.12M |
| Pacific ridge capital partners | - | - | -1.26M |
| Herald investment management | - | - | -1.00M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard fiduciary trust | 80.26K | 0.00% | 80.26K | $381.25K |
| R squared | 12.24K | 0.03% | 12.24K | $58.16K |
| Riverview capital advisers | 10.00K | 0.03% | 10.00K | $99.20K |
| Vanguard global advisers | 6.00K | - | 6.00K | $28.50K |
| Simplex trading | 3.90K | - | 3.90K | $1.00K |
Sold Out
| Holder | Change |
|---|---|
| Cornerstone planning group | -5.00 |
| Northwestern mutual wealth management | -15.00 |
| Fmr | -15.00 |
| National bank of canada /fi/ | -20.00 |
| Continuum advisory | -34.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 25 | -10.71% | 1,399,403 | 61.76% | 12 | 14.01% | 19 | 18.75% | 4 | - |
| Sep 30, 2025 | 26 | -23.53% | 864,150 | -2.28% | 9 | 2.90% | 16 | -27.27% | 3 | -57.14% |
| Jun 30, 2025 | 34 | 17.24% | 884,330 | -47.66% | 18 | 1.52% | 21 | - | 7 | 75.00% |
| Mar 31, 2025 | 29 | -38.30% | 1,689,433 | -6.29% | 34 | 2.55% | 21 | -34.38% | 4 | - |
| Dec 31, 2024 | 1 | - | 56,000 | - | 1 | - | 1 | - | - | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Neuberger Berman Intrinsic Value I | 371.91K | 7.76% | -1.00 |
| Vanguard US Total Market Shares ETF | 166.09K | 2.85% | - |
| Vanguard Total Stock Mkt Idx Inv | 374.20K | 2.56% | - |
| Neuberger Berman Small Cap Intrinsic Val | 108.60K | 2.27% | 1.00 |
| Strategic Advisers U.S. Total Stock | 304.29K | 2.08% | -33.01K |
| Pacific Ridge Capital Ptnrs Micro Cp Val | 1.17M | 1.22% | -67.04K |
| Vanguard Institutional Extnd Mkt Idx Tr | 153.25K | 1.05% | - |
| Herald Ord | 1.00M | 1.04% | - |
| Mango Growth ETF | 88.49K | 0.60% | - |
| Neuberger Berman US SCp Intrs Val $I Acc | 35.03K | 0.60% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 02, 2026 | Nash Laura A. | Chief Accounting Officer | Sell | $592.96 |
| Oct 02, 2025 | Meyrath Hugues | President & CEO | Sell | $32.31K |
| Oct 02, 2025 | Nash Laura A. | Chief Accounting Officer | Sell | $6.64K |
| Oct 01, 2025 | Nash Laura A. | Chief Accounting Officer | Sell | $1.17K |
| Sep 12, 2025 | Nash Laura A. | Chief Accounting Officer | Sell | $2.10K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 1 |
| 2026 Q1 | - | - |
| 2025 Q4 | - | 3 |
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | 5 |
QMCO Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools