Flagship Harbor Advisors
QMCO icon

Flagship Harbor Advisors’s Quantum Corp QMCO Stock Holding History

Flagship Harbor Advisors’s Portfolio QMCO Stock Details QMCO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$349K Hold
11,004
– – 0.01% 604
2026
Q2 		$121K Sell
11,004
-6,181
-36% -$59.3K ﹤0.01% 746
2026
Q1 		$81.6K Sell
17,185
-9,400
-35% -$56.7K ﹤0.01% 723
2025
Q4 		$171K Buy
26,585
+3,875
+17% +$34.8K 0.01% 707
2025
Q3 		$225K Buy
+22,710
New +$191K 0.01% 734
2025
Q1 		– Sell
-4,194
Closed -$226K – 770
2024
Q4 		$226K Buy
+4,194
New +$60.8K 0.01% 665

Other funds holding QMCO

Two Seas Capital
Two Seas Capital Rye, New York $8.68B AUM 78.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
Y-Intercept (HK)
Y-Intercept (HK) Hong Kong $4.52B AUM 6.6% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $45.2B AUM 20.72% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
Jefferies Financial Group
Jefferies Financial Group New York $13.5B AUM 36.68% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $468B AUM 17.69% 1-Year Est. Return

Flagship Harbor Advisors's QMCO Position: Q3 2026 in Review

Flagship Harbor Advisors held its Quantum Corp (QMCO) position steady in Q3 2026 at 11,004 shares worth $349K. The position accounts for 0.01% of the portfolio, ranked #604.

Flagship Harbor Advisors first reported a position in QMCO in Q4 2024 and has held it in 6 quarters since. 26 funds tracked by Wall St. Rank hold QMCO as of Q3 2026.

  • Flagship Harbor Advisors held 11,004 shares of Quantum Corp worth $349K as of Q3 2026.
  • Flagship Harbor Advisors left its Quantum Corp share count unchanged in Q3 2026.
  • Quantum Corp made up 0.01% of Flagship Harbor Advisors's portfolio in Q3 2026, its #604 holding.
  • Flagship Harbor Advisors first reported a position in Quantum Corp in Q4 2024 and has held it in 6 quarters since.
  • 26 funds tracked by Wall St. Rank held Quantum Corp as of Q3 2026.

Based on Flagship Harbor Advisors's 13F filing for Q3 2026, filed 26 Oct 2026.