Institutional and Fund Ownership - Buyers
Major holders that have opened new positions in One Stop Systems, Inc. include
EAM Investors, LLC,
Hrt Financial Lp,
Cubist Systematic Strategies, LLC,
Quadrature Capital Ltd,
Walleye Capital LLC,
Granite Investment Partners, LLC,
Marex Group plc,
DCOR - Dimensional US Core Equity 1 ETF,
and
DFA INVESTMENT DIMENSIONS GROUP INC - U.S. Sustainability Core 1 Portfolio Shares
.
This page shows changes in the ownership structure by listing institutions, funds, and major shareholders that have increased their holdings or opened new positions in the last reporting period. Green rows indicate new positions. Click the link icon to see the full transaction history.
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| File Date |
Source |
Investor |
|
Type |
Avg Price
(Est) |
Shares |
Δ Shares
(%) |
Reported
Value
($1000) |
Δ Value
(%) |
Port Alloc
(%) |
| 2025-06-26 |
NP |
DFVEX - U.s. Vector Equity Portfolio - Institutional Class
|
|
|
|
1,013 |
|
2 |
|
|
| 2025-08-14 |
13F |
State Street Corp
|
|
|
|
84,976 |
28.99 |
302 |
98.03 |
|
| 2025-08-13 |
13F |
Renaissance Technologies Llc
|
|
|
|
101,860 |
9.69 |
362 |
67.91 |
|
| 2025-08-13 |
13F |
Northern Trust Corp
|
|
|
|
44,289 |
11.67 |
157 |
70.65 |
|
| 2025-08-05 |
13F |
Simplex Trading, Llc
|
|
Call
|
|
2,700 |
8.00 |
0 |
|
|
| 2025-08-14 |
13F |
Citadel Advisors Llc
|
|
|
|
153,538 |
404.54 |
545 |
678.57 |
|
| 2025-08-14 |
13F |
Hrt Financial Lp
|
|
|
|
39,158 |
|
0 |
|
|
| 2025-08-13 |
13F |
Walleye Capital LLC
|
|
|
|
12,857 |
|
46 |
|
|
| 2025-08-14 |
13F |
Citadel Advisors Llc
|
|
Call
|
|
119,300 |
2,740.48 |
424 |
4,600.00 |
|
| 2025-08-14 |
13F |
Goldman Sachs Group Inc
|
|
|
|
37,020 |
40.53 |
131 |
114.75 |
|
| 2025-08-05 |
13F |
Simplex Trading, Llc
|
|
Put
|
|
1,800 |
5.88 |
0 |
|
|
| 2025-08-12 |
13F |
Proequities, Inc.
|
|
Put
|
|
0 |
|
0 |
|
|
| 2025-08-12 |
13F |
Proequities, Inc.
|
|
Call
|
|
0 |
|
0 |
|
|
| 2025-05-29 |
NP |
JAFEX - Total Stock Market Index Trust NAV
|
|
|
|
373 |
19.94 |
1 |
-100.00 |
|
| 2025-08-13 |
13F |
Quadrature Capital Ltd
|
|
|
|
16,025 |
|
57 |
|
|
| 2025-08-12 |
13F |
Proequities, Inc.
|
|
|
|
0 |
|
0 |
|
|
| 2025-08-14 |
13F |
Jane Street Group, Llc
|
|
|
|
268,182 |
1,542.06 |
952 |
2,472.97 |
|
| 2025-07-24 |
NP |
FSMAX - Fidelity Extended Market Index Fund
|
|
|
|
99,146 |
3.57 |
279 |
-7.33 |
|
| 2025-08-12 |
13F |
EAM Investors, LLC
|
|
|
|
135,388 |
|
481 |
|
|
| 2025-08-14 |
13F |
Group One Trading, L.p.
|
|
Put
|
|
2,300 |
155.56 |
8 |
300.00 |
|
| 2025-08-14 |
13F |
Group One Trading, L.p.
|
|
Call
|
|
8,200 |
241.67 |
29 |
480.00 |
|
| 2025-08-11 |
13F |
Citigroup Inc
|
|
|
|
330 |
|
1 |
|
|
| 2025-08-12 |
13F |
Virtu Financial LLC
|
|
|
|
50,425 |
|
0 |
|
|
| 2025-09-04 |
13F/A |
Advisor Group Holdings, Inc.
|
|
|
|
500 |
|
2 |
|
|
| 2025-08-14 |
13F |
Susquehanna International Group, Llp
|
|
Put
|
|
44,500 |
90.99 |
158 |
190.74 |
|
| 2025-08-14 |
13F |
Susquehanna International Group, Llp
|
|
|
|
55,631 |
349.18 |
197 |
603.57 |
|
| 2025-08-14 |
13F |
Susquehanna International Group, Llp
|
|
Call
|
|
26,200 |
|
93 |
|
|
| 2025-08-19 |
13F |
Marex Group plc
|
|
|
|
10,000 |
|
36 |
|
|
| 2025-07-24 |
NP |
FCFMX - Fidelity Series Total Market Index Fund
|
|
|
|
28,714 |
23.00 |
81 |
9.59 |
|
| 2025-08-08 |
13F |
Geode Capital Management, Llc
|
|
|
|
199,729 |
0.93 |
709 |
54.47 |
|
| 2025-08-13 |
13F |
Marshall Wace, Llp
|
|
|
|
476,393 |
1,130.07 |
1,691 |
1,800.00 |
|
| 2025-08-13 |
13F |
Granite Investment Partners, LLC
|
|
|
|
11,068 |
|
39 |
|
|
| 2025-08-11 |
13F |
Vanguard Group Inc
|
|
|
|
743,221 |
1.23 |
2,638 |
54.90 |
|
| 2025-08-15 |
13F |
Morgan Stanley
|
|
|
|
72,503 |
124.45 |
257 |
247.30 |
|
| 2025-06-26 |
NP |
DFA INVESTMENT DIMENSIONS GROUP INC - U.S. Sustainability Core 1 Portfolio Shares
|
|
|
|
3,548 |
|
8 |
|
|
| 2025-06-26 |
NP |
DCOR - Dimensional US Core Equity 1 ETF
|
|
|
|
4,700 |
|
11 |
|
|
| 2025-08-12 |
13F |
Dimensional Fund Advisors Lp
|
|
|
|
38,371 |
9.96 |
136 |
70.00 |
|
| 2025-08-27 |
NP |
VEXMX - Vanguard Extended Market Index Fund Investor Shares
|
|
|
|
227,323 |
4.15 |
807 |
59.29 |
|
| 2025-08-14 |
13F |
Cubist Systematic Strategies, LLC
|
|
|
|
21,290 |
|
76 |
|
|
| 2025-08-14 |
13F |
Bank Of America Corp /de/
|
|
|
|
5,017 |
3,222.52 |
18 |
|
|
