BlackRock’s One Stop Systems OSS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$33.4M Buy
1,837,840
+1,240,537
+208% +$17.3M ﹤0.01% 2926
2026
Q1
$4.52M Buy
597,303
+459,859
+335% +$4.29M ﹤0.01% 3874
2025
Q4
$987K Buy
137,444
+43,704
+47% +$258K ﹤0.01% 4312
2025
Q3
$502K Buy
93,740
+1,514
+2% +$8.29K ﹤0.01% 4453
2025
Q2
$327K Sell
92,226
-2,369
-3% -$6.61K ﹤0.01% 4542
2025
Q1
$219K Buy
94,595
+127
+0.1% +$425 ﹤0.01% 4583
2024
Q4
$316K Buy
94,468
+291
+0.3% +$739 ﹤0.01% 4530
2024
Q3
$225K Buy
94,177
+1,746
+2% +$3.87K ﹤0.01% 4504
2024
Q2
$223K Buy
92,431
+3,039
+3% +$8.09K ﹤0.01% 4528
2024
Q1
$291K Buy
89,392
+47,898
+115% +$131K ﹤0.01% 4513
2023
Q4
$87.1K Sell
41,494
-474
-1% -$953 ﹤0.01% 4843
2023
Q3
$77.6K Sell
41,968
-12,805
-23% -$29.8K ﹤0.01% 4910
2023
Q2
$157K Buy
54,773
+7,695
+16% +$20.4K ﹤0.01% 4797
2023
Q1
$117K Buy
47,078
+977
+2% +$2.94K ﹤0.01% 4924
2022
Q4
$139K Buy
46,101
+563
+1% +$1.76K ﹤0.01% 4950
2022
Q3
$146K Sell
45,538
-3,948
-8% -$15K ﹤0.01% 5060
2022
Q2
$195K Buy
49,486
+3,811
+8% +$16.2K ﹤0.01% 5036
2022
Q1
$175K Sell
45,675
-1,798
-4% -$7.47K ﹤0.01% 5138
2021
Q4
$236K Buy
47,473
+1,974
+4% +$9.9K ﹤0.01% 5072
2021
Q3
$229K Sell
45,499
-5,528
-11% -$30.7K ﹤0.01% 4950
2021
Q2
$295K Buy
51,027
+4,826
+10% +$27.3K ﹤0.01% 4814
2021
Q1
$293K Buy
46,201
+4,914
+12% +$30K ﹤0.01% 4678
2020
Q4
$165K Buy
41,287
+1,703
+4% +$4.42K ﹤0.01% 4503
2020
Q3
$83K Sell
39,584
-4,198
-10% -$9.81K ﹤0.01% 4545
2020
Q2
$86K Buy
43,782
+12,761
+41% +$21.1K ﹤0.01% 4507
2020
Q1
$45K Buy
31,021
+2,620
+9% +$5.55K ﹤0.01% 4497
2019
Q4
$58K Buy
28,401
+7,637
+37% +$17.2K ﹤0.01% 4519
2019
Q3
$61K Buy
20,764
+7,966
+62% +$16.7K ﹤0.01% 4513
2019
Q2
$22K Buy
12,798
+11,488
+877% +$24.1K ﹤0.01% 4671
2019
Q1
$3K Hold
1,310
﹤0.01% 4789
2018
Q4
$3K Hold
1,310
﹤0.01% 4795
2018
Q3
$5K Buy
1,310
+613
+88% +$2.48K ﹤0.01% 4804
2018
Q2
$3K Sell
697
-16,155
-96% -$72.9K ﹤0.01% 4873
2018
Q1
$74K Buy
+16,852
New +$84K ﹤0.01% 4386

Other funds holding OSS

BlackRock's OSS Position: Q2 2026 in Review

BlackRock increased its One Stop Systems (OSS) stake by 208% in Q2 2026, buying an estimated $17.3M and bringing the position to 1,837,840 shares worth $33.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2926.

BlackRock first reported a position in OSS in Q1 2018 and has held it in 34 quarters since. 108 funds tracked by Wall St. Rank hold OSS as of Q2 2026.

  • BlackRock held 1,837,840 shares of One Stop Systems worth $33.4M as of Q2 2026.
  • BlackRock bought 1,240,537 One Stop Systems shares in Q2 2026, an estimated $17.3M.
  • One Stop Systems made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2926 holding.
  • BlackRock first reported a position in One Stop Systems in Q1 2018 and has held it in 34 quarters since.
  • 108 funds tracked by Wall St. Rank held One Stop Systems as of Q2 2026.

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