TRCT
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Tower Research Capital (TRC)’s Quantum Corp QMCO Stock Holding History

Tower Research Capital (TRC)’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
Q1 		– Sell
-582
Closed -$3.75K – 5480
2025
Q4 		$3.75K Buy
582
+155
+36% +$1.39K ﹤0.01% 4319
2025
Q3 		$4.24K Sell
427
-295
-41% -$2.48K ﹤0.01% 4386
2025
Q2 		$7.2K Sell
722
-1,572
-69% -$17.4K ﹤0.01% 4068
2025
Q1 		$33K Buy
2,294
+2,150
+1,493% +$46.8K ﹤0.01% 2546
2024
Q4 		$7.76K Sell
144
-2,120
-94% -$30.8K ﹤0.01% 4041
2024
Q3 		$7.92K Buy
2,264
+1,244
+122% +$7.02K ﹤0.01% 4003
2024
Q2 		$8.35K Buy
1,020
+301
+42% +$2.9K ﹤0.01% 4364
2024
Q1 		$8.55K Buy
719
+51
+8% +$458 ﹤0.01% 4001
2023
Q4 		$4.67K Buy
+668
New +$5.63K ﹤0.01% 4933
2023
Q3 		– Sell
-320
Closed -$6.9K – 6176
2023
Q2 		$6.9K Sell
320
-90
-22% -$1.86K ﹤0.01% 4647
2023
Q1 		$9K Buy
410
+405
+8,100% +$10.6K ﹤0.01% 4530
2022
Q4 		$0 Sell
5
-373
-99% -$9.17K ﹤0.01% 6274
2022
Q3 		$8K Sell
378
-1,589
-81% -$51.1K ﹤0.01% 4802
2022
Q2 		$56K Buy
1,967
+1,710
+665% +$64.7K ﹤0.01% 2782
2022
Q1 		$12K Sell
257
-82
-24% -$6.01K ﹤0.01% 4084
2021
Q4 		$37K Buy
339
+144
+74% +$16.4K ﹤0.01% 3031
2021
Q3 		$20K Sell
195
-80
-29% -$9.41K ﹤0.01% 3718
2021
Q2 		$38K Buy
275
+157
+133% +$25.4K ﹤0.01% 3265
2021
Q1 		$20K Sell
118
-179
-60% -$28.5K ﹤0.01% 3886
2020
Q4 		$37K Sell
297
-3,261
-92% -$347K ﹤0.01% 3396
2020
Q3 		$327K Buy
3,558
+3,387
+1,981% +$330K ﹤0.01% 2106
2020
Q2 		$13K Sell
171
-133
-44% -$10.5K ﹤0.01% 3906
2020
Q1 		$18K Buy
+304
New +$27.3K ﹤0.01% 1773
2019
Q2 		– Sell
-1
Closed – – 4160
2019
Q1 		$0 Sell
1
-91
-99% -$3.07K ﹤0.01% 4186
2018
Q4 		$4K Sell
92
-256
-74% -$11.8K ﹤0.01% 3060
2018
Q3 		$17K Sell
348
-915
-72% -$37.4K ﹤0.01% 2453
2018
Q2 		$55K Buy
1,263
+1,092
+639% +$73.3K ﹤0.01% 1798
2018
Q1 		$12K Sell
171
-402
-70% -$39.1K ﹤0.01% 2402
2017
Q4 		$65K Buy
573
+233
+69% +$25.1K 0.01% 1135
2017
Q3 		$41K Buy
+340
New +$45.6K ﹤0.01% 2152
2017
Q2 		– Sell
-4
Closed -$1K – 3296
2017
Q1 		$1K Buy
+4
New +$575 ﹤0.01% 2828
2016
Q4 		– Sell
-105
Closed -$12K – 4286
2016
Q3 		$12K Sell
105
-21
-17% -$2.05K ﹤0.01% 1947
2016
Q2 		$8K Buy
126
+121
+2,420% +$8.78K ﹤0.01% 3036
2016
Q1 		$1K Sell
5
-59
-92% -$5.68K ﹤0.01% 3756
2015
Q4 		$10K Sell
64
-225
-78% -$30.9K ﹤0.01% 2136
2015
Q3 		$32K Buy
289
+41
+17% +$7.59K ﹤0.01% 1344
2015
Q2 		$66K Buy
248
+225
+978% +$68.8K 0.01% 1153
2015
Q1 		$5K Sell
23
-84
-79% -$22.2K ﹤0.01% 3263
2014
Q4 		$30K Sell
107
-495
-82% -$114K ﹤0.01% 1335
2014
Q3 		$112K Buy
602
+590
+4,917% +$117K 0.01% 832
2014
Q2 		$2K Buy
+12
New +$2.19K ﹤0.01% 3444
2013
Q4 		– Sell
-410
Closed -$90K – 4847
2013
Q3 		$90K Buy
+410
New +$100K 0.01% 1388

Other funds holding QMCO

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SAMU
SONA Asset Management (US) New York $4.74B AUM 11.18% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Tower Research Capital (TRC)'s QMCO Position: Q1 2026 in Review

Tower Research Capital (TRC) sold out of Quantum Corp (QMCO) in Q1 2026, closing a stake of 582 shares — an estimated $3.75K sold.

Tower Research Capital (TRC) first reported a position in QMCO in Q3 2013 and held it in 42 quarters. The position peaked at $327K in Q3 2020. 37 funds tracked by Wall St. Rank hold QMCO as of Q1 2026.

  • Tower Research Capital (TRC) reported no remaining Quantum Corp position as of Q1 2026 after selling out during the quarter.
  • Tower Research Capital (TRC) sold 582 Quantum Corp shares in Q1 2026, an estimated $3.75K.
  • Tower Research Capital (TRC) first reported a position in Quantum Corp in Q3 2013 and held it in 42 quarters.
  • Tower Research Capital (TRC)'s Quantum Corp position peaked at $327K in Q3 2020.
  • 37 funds tracked by Wall St. Rank held Quantum Corp as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.