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Quantum Corp
QMCOAdd to Watchlist
10.640USD
-0.600-5.34%
Close 07-31 16:00（ET）Quotes delayed by 15 min
419.22MMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Vanguard Capital Management, LLC
3.68%
Portolan Capital Management, L.L.C.
3.26%
BlackRock Institutional Trust Company, N.A.
1.46%
Geode Capital Management, L.L.C.
1.07%
Blue Torch Capital LP
0.93%
Other
89.60%
Shareholders
Shareholders
Proportion
Vanguard Capital Management, LLC
3.68%
Portolan Capital Management, L.L.C.
3.26%
BlackRock Institutional Trust Company, N.A.
1.46%
Geode Capital Management, L.L.C.
1.07%
Blue Torch Capital LP
0.93%
Other
89.60%
Shareholder Types
Shareholders
Proportion
Investment Advisor
8.29%
Investment Advisor/Hedge Fund
5.63%
Individual Investor
3.53%
Research Firm
0.40%
Hedge Fund
0.19%
Bank and Trust
0.18%
Venture Capital
0.08%
Other
81.69%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
133
2.78M
19.01%
-1.11M
2025Q4
132
1.70M
12.40%
-1.98M
2025Q3
139
1.13M
8.47%
-2.45M
2025Q2
153
1.60M
23.03%
-2.41M
2025Q1
157
2.61M
37.62%
-1.41M
2024Q4
155
2.94M
54.26%
-46.65K
2024Q3
147
2.97M
61.70%
-616.09K
2024Q2
165
3.11M
64.70%
-619.55K
2024Q1
197
3.19M
66.35%
-657.13K
2023Q4
224
3.33M
69.81%
-623.99K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Portolan Capital Management, L.L.C.
477.21K
3.26%
+477.21K
--
Dec 31, 2025
BlackRock Institutional Trust Company, N.A.
213.29K
1.46%
+52.26K
+32.45%
Dec 31, 2025
Geode Capital Management, L.L.C.
156.87K
1.07%
+77.44K
+97.50%
Dec 31, 2025
Blue Torch Capital LP
135.76K
0.93%
-270.21K
-66.56%
Feb 14, 2025
Meyrath (Hugues)
124.70K
0.85%
+62.50K
+100.48%
Jan 01, 2026
Lerner (James J)
110.85K
0.76%
--
--
Oct 20, 2025
State Street Investment Management (US)
90.71K
0.62%
+63.37K
+231.71%
Dec 31, 2025
Savoie Capital LLC
88.34K
0.6%
+88.34K
--
Feb 28, 2026
View more
Related ETFs
Updated: Tue, Dec 2
Updated: Tue, Dec 2
Name
Proportion
iShares Micro-Cap ETF
0.01%
Unusual Whales Subversive Democratic Trading ETF
0%
iShares Core S&P Total U.S. Stock Market ETF
0%
iShares Micro-Cap ETF
Proportion0.01%
Unusual Whales Subversive Democratic Trading ETF
Proportion0%
iShares Core S&P Total U.S. Stock Market ETF
Proportion0%