As of the latest SEC filings, QUANTUM CORP /DE/ (QMCO) is held by 16 institutional funds. The largest fund shareholder is VANGUARD TOTAL STOCK MARKET INDEX FUND (VTI), holding an estimated $1,777,431.00 in market value, representing a significant portion of its portfolio.
Funds holding QUANTUM CORP /DE/ (QMCO)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- QMCO
- CIK:
- 0000709283
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $1,777,431.00 | 374,196 | Mar 31, 2026 | May 28, 2026 |
|
FSAKX
Strategic Advisers U.S. Total Stock Fund
|
MF | Fidelity | 0.00% | $1,667,498.24 | 304,288 | Feb 28, 2026 | Apr 24, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $727,942.25 | 153,251 | Mar 31, 2026 | May 28, 2026 |
|
GARY
Mango Growth ETF
|
ETF | Independent / Boutique | 0.25% | $631,840.02 | 88,493 | Apr 30, 2026 | Jun 29, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.00% | $413,148.16 | 75,392 | Feb 28, 2026 | Apr 24, 2026 |
|
FSKAX
Fidelity Total Market Index Fund
|
MF | Fidelity | 0.00% | $150,875.36 | 27,532 | Feb 28, 2026 | Apr 24, 2026 |
|
IWC
iShares Micro-Cap ETF
|
ETF | BlackRock / iShares | 0.01% | $127,936.50 | 26,934 | Mar 31, 2026 | May 28, 2026 |
|
FCFMX
Fidelity Series Total Market Index Fund
|
MF | Fidelity | 0.00% | $107,840.92 | 19,679 | Feb 28, 2026 | Apr 24, 2026 |
|
BRSIX
Ultra-Small Company Market Fund
|
MF | Independent / Boutique | 0.06% | $77,140.00 | 16,240 | Mar 31, 2026 | May 21, 2026 |
|
PEXMX
T. Rowe Price Extended Equity Market Index Fund
|
MF | T. Rowe Price | 0.01% | $52,250.00 | 11,000 | Mar 31, 2026 | May 28, 2026 |
|
FNCMX
Fidelity Nasdaq Composite Index Fund
|
MF | Fidelity | 0.00% | $35,006.24 | 6,388 | Feb 28, 2026 | Apr 24, 2026 |
|
VITNX
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND
|
MF | Vanguard | 0.00% | $32,138.50 | 6,766 | Mar 31, 2026 | May 28, 2026 |
|
VBINX
VANGUARD BALANCED INDEX FUND
|
MF | Vanguard | 0.00% | $24,044.50 | 5,062 | Mar 31, 2026 | May 28, 2026 |
|
-
1290 VT Micro Cap Portfolio
|
ETF | Independent / Boutique | 0.01% | $9,224.50 | 1,942 | Mar 31, 2026 | May 26, 2026 |
|
JAFEX
Total Stock Market Index Trust
|
MF | John Hancock | 0.00% | $1,116.25 | 235 | Mar 31, 2026 | May 29, 2026 |
|
BXMYX
Blackstone Alternative Multi-Strategy Fund
|
MF | Independent / Boutique | 0.00% | -$10,925.00 | -2,300 | Mar 31, 2026 | May 27, 2026 |
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