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 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

SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return

FFA

Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return

Flagship Harbor Advisors's QMCO Position: Q2 2026 in Review

Flagship Harbor Advisors reduced its Quantum Corp (QMCO) stake by 36% in Q2 2026, selling an estimated $59.3K and leaving 11,004 shares worth $121K. The position accounts for ﹤0.01% of the portfolio, ranked #746.

Flagship Harbor Advisors first reported a position in QMCO in Q4 2024 and has held it in 5 quarters since. The position peaked at $226K in Q4 2024. 3 funds tracked by Wall St. Rank hold QMCO as of Q2 2026.

Flagship Harbor Advisors held 11,004 shares of Quantum Corp worth $121K as of Q2 2026.
Flagship Harbor Advisors sold 6,181 Quantum Corp shares in Q2 2026, an estimated $59.3K.
Quantum Corp made up ﹤0.01% of Flagship Harbor Advisors's portfolio in Q2 2026, its #746 holding.
Flagship Harbor Advisors first reported a position in Quantum Corp in Q4 2024 and has held it in 5 quarters since.
Flagship Harbor Advisors's Quantum Corp position peaked at $226K in Q4 2024.
3 funds tracked by Wall St. Rank held Quantum Corp as of Q2 2026.

Based on Flagship Harbor Advisors's 13F filing for Q2 2026, filed 22 Jul 2026.