Fund shareholders of QUANTUM CORP
ISIN US7479066000 · United States · LEI 5493007210175UIK7S88
- Fund shareholders
- 16
- Of which ETFs
- 2 14 other funds
- Value held
- 9.5M $
- Share of capital
- 2.2 % of 39.4M shares on Jun 24, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 420,696 | 4.6M $ | 0.00 % | 1.07 % | as of Jun 30, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 170,893 | 1.9M $ | 0.00 % | 0.43 % | as of Jun 30, 2026 ↗ |
| Mango Growth ETF ADVISORS' INNER CIRCLE FUND II | 90,274 | 960.5K $ | 0.34 % | 0.23 % | as of Jul 31, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 44,042 | 427.6K $ | 0.00 % | 0.11 % | as of May 31, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 38,870 | 427.6K $ | 0.03 % | 0.10 % | as of Jun 30, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 27,532 | 267.3K $ | 0.00 % | 0.07 % | as of May 31, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 20,573 | 199.8K $ | 0.00 % | 0.05 % | as of May 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 16,240 | 178.6K $ | 0.12 % | 0.04 % | as of Jun 30, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 11,000 | 121K $ | 0.01 % | 0.03 % | as of Jun 30, 2026 ↗ |
| ACUITAS US MICROCAP FUND FORUM FUNDS II | 10,818 | 119K $ | 0.10 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 8,892 | 86.3K $ | 0.00 % | 0.02 % | as of May 31, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 7,186 | 79K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 6,766 | 74.4K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 2,627 | 28.9K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 1,611 | 17.1K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| Total Stock Market Index Trust John Hancock Variable Insurance Trust | 246 | 2.7K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Mango Growth ETF ADVISORS' INNER CIRCLE FUND II | 0.34 % | as of Jul 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 0.12 % | as of Jun 30, 2026 ↗ |
| ACUITAS US MICROCAP FUND FORUM FUNDS II | 0.10 % | as of Jun 30, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 0.03 % | as of Jun 30, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 0.01 % | as of Jun 30, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 0.01 % | as of Jun 30, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 0.00 % | as of Jul 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 0.00 % | as of Jun 30, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of May 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 0.00 % | as of May 31, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 16 | +1 | 878,266 | -21.4 % |
| 2026Q2 | 15 | +2 | 1,117,398 | +71.7 % |
| 2026Q1 | 13 | +1 | 650,750 | +93.6 % |
| 2025Q4 | 12 | +1 | 336,207 | +1.1 % |
| 2025Q3 | 11 | +3 | 332,517 | +8.7 % |
| 2025Q2 | 8 | -1 | 305,828 | +3.6 % |
| 2025Q1 | 9 | -1 | 295,300 | -56.7 % |
| 2024Q4 | 10 | 681,450 |
Institutional managers
34 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 217,532 | 1M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 159,179 | 756.5K $ | as of Mar 31, 2026 |
| Cygnus Capital Advisors, LLC | 124,086 | 590 $ | as of Mar 31, 2026 |
| UBS Group AG | 99,068 | 470.6K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 72,814 | 345.9K $ | as of Mar 31, 2026 |
| SONA ASSET MANAGEMENT (US) LLC | 70,092 | 332.9K $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 37,528 | 178.3K $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 28,762 | 136.6K $ | as of Mar 31, 2026 |
| LPL Financial LLC | 24,598 | 116.8K $ | as of Mar 31, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 21,801 | 104 $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 20,485 | 97.3K $ | as of Mar 31, 2026 |
| FLAGSHIP HARBOR ADVISORS, LLC | 17,185 | 81.6K $ | as of Mar 31, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 16,240 | 77.1K $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 15,179 | 72.1K $ | as of Mar 31, 2026 |
| Kovack Advisors, Inc. | 12,480 | 62.8K $ | as of Mar 31, 2026 |
| BARCLAYS PLC | 12,443 | 59.1K $ | as of Mar 31, 2026 |
| R Squared Ltd | 12,245 | 58.2K $ | as of Mar 31, 2026 |
| XTX Topco Ltd | 11,321 | 53.8K $ | as of Mar 31, 2026 |
| WELLS FARGO & COMPANY/MN | 4,125 | 19.6K $ | as of Mar 31, 2026 |
| SBI Securities Co., Ltd. | 2,004 | 9.5K $ | as of Mar 31, 2026 |
| HOLLENCREST CAPITAL MANAGEMENT | 2,000 | 9.5K $ | as of Mar 31, 2026 |
| JONES FINANCIAL COMPANIES LLLP | 1,467 | 6.9K $ | as of Mar 31, 2026 |
| OSAIC HOLDINGS, INC. | 965 | 4.6K $ | as of Mar 31, 2026 |
| FEDERATED HERMES, INC. | 835 | 4K $ | as of Mar 31, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | 261 | 1.2K $ | as of Mar 31, 2026 |
Declared shareholders of QUANTUM CORP
There are 3 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Alyeska Investment Group, L.P. and 2 others | 6.74 % | 2,653,928 | as of Jun 30, 2026 · SCHEDULE 13G |
| Two Seas Capital LP and 2 others | 6.30 % | 2,488,535 | as of Jun 30, 2026 · SCHEDULE 13G |
| Oaktree Capital Management LP | 5.11 % | 2,011,678 | as of Jun 30, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of QUANTUM CORP". https://titelia.com/en/stocks/quantum-corp-US7479066000