State Street
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State Street’s Quantum Corp QMCO Stock Holding History

State Street’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 		$835K Buy
75,914
+3,100
+4% +$29.7K ﹤0.01% 3489
2026
Q1 		$346K Sell
72,814
-17,900
-20% -$108K ﹤0.01% 3744
2025
Q4 		$585K Buy
90,714
+63,367
+232% +$568K ﹤0.01% 3638
2025
Q3 		$271K Hold
27,347
– – ﹤0.01% 3820
2025
Q2 		$273K Hold
27,347
– – ﹤0.01% 3753
2025
Q1 		$393K Buy
27,347
+6,700
+32% +$146K ﹤0.01% 3648
2024
Q4 		$1.11M Buy
20,647
+3,533
+21% +$51.2K ﹤0.01% 3466
2024
Q3 		$59.9K Sell
17,114
-3
-0% -$17 ﹤0.01% 4069
2024
Q2 		$140K Hold
17,117
– – ﹤0.01% 3917
2024
Q1 		$204K Hold
17,117
– – ﹤0.01% 3872
2023
Q4 		$119K Hold
17,117
– – ﹤0.01% 4022
2023
Q3 		$209K Hold
17,117
– – ﹤0.01% 3931
2023
Q2 		$370K Hold
17,117
– – ﹤0.01% 3785
2023
Q1 		$394K Buy
17,117
+3,386
+25% +$88.4K ﹤0.01% 3824
2022
Q4 		$299K Buy
13,731
+3,096
+29% +$76.1K ﹤0.01% 3943
2022
Q3 		$230K Hold
10,635
– – ﹤0.01% 4081
2022
Q2 		$302K Sell
10,635
-33,088
-76% -$1.25M ﹤0.01% 4029
2022
Q1 		$1.99M Buy
43,723
+3,211
+8% +$235K ﹤0.01% 3566
2021
Q4 		$4.47M Buy
40,512
+898
+2% +$102K ﹤0.01% 3292
2021
Q3 		$4.1M Buy
39,614
+800
+2% +$94.1K ﹤0.01% 3335
2021
Q2 		$5.35M Buy
38,814
+13,437
+53% +$2.17M ﹤0.01% 3214
2021
Q1 		$4.23M Buy
25,377
+645
+3% +$103K ﹤0.01% 3122
2020
Q4 		$3.03M Buy
24,732
+7,349
+42% +$782K ﹤0.01% 3189
2020
Q3 		$1.6M Buy
17,383
+2,001
+13% +$195K ﹤0.01% 3287
2020
Q2 		$1.19M Buy
+15,382
New +$1.22M ﹤0.01% 3372
2019
Q1 		– Sell
-792
Closed -$32K – 3755
2018
Q4 		$32K Sell
792
-1,302
-62% -$59.8K ﹤0.01% 3702
2018
Q3 		$100K Buy
2,094
+147
+8% +$6K ﹤0.01% 3653
2018
Q2 		$86K Sell
1,947
-19,571
-91% -$1.31M ﹤0.01% 3642
2018
Q1 		$1.56M Sell
21,518
-675
-3% -$65.7K ﹤0.01% 3248
2017
Q4 		$2.5M Buy
22,193
+3,617
+19% +$389K ﹤0.01% 3103
2017
Q3 		$2.27M Buy
18,576
+2,760
+17% +$370K ﹤0.01% 3147
2017
Q2 		$2.47M Buy
15,816
+14,208
+884% +$2.21M ﹤0.01% 3046
2017
Q1 		$224K Sell
1,608
-857
-35% -$123K ﹤0.01% 3491
2016
Q4 		$329K Hold
2,465
– – ﹤0.01% 3443
2016
Q3 		$291K Hold
2,465
– – ﹤0.01% 3365
2016
Q2 		$166K Sell
2,465
-22,387
-90% -$1.62M ﹤0.01% 3520
2016
Q1 		$2.42M Sell
24,852
-230
-0.9% -$22.1K ﹤0.01% 2926
2015
Q4 		$3.73M Buy
25,082
+1,878
+8% +$258K ﹤0.01% 2692
2015
Q3 		$2.59M Sell
23,204
-711
-3% -$132K ﹤0.01% 2879
2015
Q2 		$6.42M Sell
23,915
-258
-1% -$78.8K ﹤0.01% 2506
2015
Q1 		$6.19M Buy
24,173
+361
+2% +$95.3K ﹤0.01% 2463
2014
Q4 		$6.71M Sell
23,812
-304
-1% -$69.8K ﹤0.01% 2415
2014
Q3 		$4.47M Sell
24,116
-4
-0% -$795 ﹤0.01% 2607
2014
Q2 		$4.71M Buy
24,120
+23
+0.1% +$4.2K ﹤0.01% 2632
2014
Q1 		$4.71M Buy
24,097
+18
+0.1% +$3.51K ﹤0.01% 2597
2013
Q4 		$4.62M Sell
24,079
-949
-4% -$194K ﹤0.01% 2624
2013
Q3 		$5.53M Buy
25,028
+158
+0.6% +$38.6K ﹤0.01% 2476
2013
Q2 		$5.45M Buy
+24,870
New +$5.56M ﹤0.01% 2418

Other funds holding QMCO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Walleye Capital
Walleye Capital New York $28B AUM 44.22% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
KA
Kovack Advisors Ft. Lauderdale, Florida $2.08B AUM 38.95% 1-Year Est. Return
FHA
Flagship Harbor Advisors Boston, Massachusetts $2.61B AUM 23.21% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
GRP
Global Retirement Partners San Rafael, California $6.54B AUM
CA
Continuum Advisory Eagle, Idaho $1.24B AUM 30.12% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return

State Street's QMCO Position: Q2 2026 in Review

State Street increased its Quantum Corp (QMCO) stake by 4.3% in Q2 2026, buying an estimated $29.7K and bringing the position to 75,914 shares worth $835K. The position accounts for ﹤0.01% of the portfolio, ranked #3489.

State Street first reported a position in QMCO in Q2 2013 and has held it in 48 quarters since. The position peaked at $6.71M in Q4 2014. 10 funds tracked by Wall St. Rank hold QMCO as of Q2 2026.

  • State Street held 75,914 shares of Quantum Corp worth $835K as of Q2 2026.
  • State Street bought 3,100 Quantum Corp shares in Q2 2026, an estimated $29.7K.
  • Quantum Corp made up ﹤0.01% of State Street's portfolio in Q2 2026, its #3489 holding.
  • State Street first reported a position in Quantum Corp in Q2 2013 and has held it in 48 quarters since.
  • State Street's Quantum Corp position peaked at $6.71M in Q4 2014.
  • 10 funds tracked by Wall St. Rank held Quantum Corp as of Q2 2026.

Based on State Street's 13F filing for Q2 2026, filed 7 Aug 2026.