TRCT
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Tower Research Capital (TRC)’s One Stop Systems OSS Stock Holding History

Tower Research Capital (TRC)’s Portfolio OSS Stock Details OSS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$36K Sell
4,754
-14,391
-75% -$134K ﹤0.01% 3028
2025
Q4 		$137K Buy
19,145
+15,712
+458% +$92.9K ﹤0.01% 1728
2025
Q3 		$18.4K Buy
3,433
+2,289
+200% +$12.5K ﹤0.01% 3386
2025
Q2 		$4.06K Sell
1,144
-605
-35% -$1.69K ﹤0.01% 4386
2025
Q1 		$4.06K Buy
1,749
+1,325
+313% +$4.44K ﹤0.01% 4306
2024
Q4 		$1.42K Buy
424
+247
+140% +$627 ﹤0.01% 5020
2024
Q3 		$423 Sell
177
-2,352
-93% -$5.21K ﹤0.01% 5343
2024
Q2 		$6.09K Buy
2,529
+900
+55% +$2.4K ﹤0.01% 4621
2024
Q1 		$5.31K Buy
+1,629
New +$4.45K ﹤0.01% 4559
2023
Q4 		– Sell
-696
Closed -$1.29K – 6104
2023
Q3 		$1.29K Buy
696
+456
+190% +$1.06K ﹤0.01% 5366
2023
Q2 		$689 Buy
+240
New +$635 ﹤0.01% 5567
2021
Q3 		– Sell
-8,680
Closed -$50K – 6049
2021
Q2 		$50K Sell
8,680
-37,210
-81% -$210K ﹤0.01% 3027
2021
Q1 		$291K Buy
45,890
+45,325
+8,022% +$277K ﹤0.01% 1687
2020
Q4 		$2K Sell
565
-4,034
-88% -$10.5K ﹤0.01% 4902
2020
Q3 		$10K Buy
+4,599
New +$10.7K ﹤0.01% 4100
2020
Q2 		– Sell
-700
Closed -$1K – 4918
2020
Q1 		$1K Buy
700
+564
+415% +$1.2K ﹤0.01% 2816
2019
Q4 		$0 Sell
136
-392
-74% -$885 ﹤0.01% 4148
2019
Q3 		$2K Sell
528
-810
-61% -$1.7K ﹤0.01% 3719
2019
Q2 		$2K Buy
1,338
+838
+168% +$1.76K ﹤0.01% 3292
2019
Q1 		$1K Buy
500
+344
+221% +$801 ﹤0.01% 3597
2018
Q4 		$0 Sell
156
-1,063
-87% -$3.02K ﹤0.01% 4205
2018
Q3 		$5K Buy
+1,219
New +$4.92K ﹤0.01% 3129
2018
Q2 		– Sell
-100
Closed – – 3944
2018
Q1 		$0 Buy
+100
New +$499 ﹤0.01% 3684

Other funds holding OSS

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BA
Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

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

Tower Research Capital (TRC) reduced its One Stop Systems (OSS) stake by 75% in Q1 2026, selling an estimated $134K and leaving 4,754 shares worth $36K. The position accounts for ﹤0.01% of the portfolio, ranked #3028.

Tower Research Capital (TRC) first reported a position in OSS in Q1 2018 and has held it in 23 quarters since. The position peaked at $291K in Q1 2021. 77 funds tracked by Wall St. Rank hold OSS as of Q1 2026.

  • Tower Research Capital (TRC) held 4,754 shares of One Stop Systems worth $36K as of Q1 2026.
  • Tower Research Capital (TRC) sold 14,391 One Stop Systems shares in Q1 2026, an estimated $134K.
  • One Stop Systems made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #3028 holding.
  • Tower Research Capital (TRC) first reported a position in One Stop Systems in Q1 2018 and has held it in 23 quarters since.
  • Tower Research Capital (TRC)'s One Stop Systems position peaked at $291K in Q1 2021.
  • 77 funds tracked by Wall St. Rank held One Stop Systems as of Q1 2026.

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