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One Stop Systems
OSS

Overview Fund Activity

37 hedge funds and large institutions have $22.6M invested in One Stop Systems in 2025 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 12 increasing their positions, 11 reducing their positions, and 4 closing their positions.

Holders
37
Holders Change
+4
Holders Change %
+12.12%
% of All Funds
0.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
9
Increased
12
Reduced
11
Closed
4
Calls
$462K
Puts
$66K
Net Calls
+$396K
Net Calls Change
+$454K

Top Buyers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$1.69M
2
Jane Street
2
Jane Street
New York
$952K
3
EI
3
EAM Investors
California
$481K
4
Citadel Advisors
4
Citadel Advisors
Florida
$545K
5
VF
5
Virtu Financial
New York
$179K

Top Sellers

1
BA
1
Bard Associates
Illinois
$3.36M
2
LLL
2
Lynrock Lake LP
New York
$7.28M
3
UBS Group
3
UBS Group
Switzerland
$31K
4
GCP
4
GSA Capital Partners
United Kingdom
$0
5
PRCP
5
Pacific Ridge Capital Partners
Oregon
$1.61M
Name Market Value Shares Shares
Change 		Shares
Change %
LLL
1
Lynrock Lake LP
New York
$7.28M 2,049,374 -17,292 -0.8%
BA
2
Bard Associates
Illinois
$3.36M 947,857 -81,923 -8%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.64M 743,221 +9,059 +1%
Marshall Wace
4
Marshall Wace
United Kingdom
$1.69M 476,393 +437,664 +1,130%
PRCP
5
Pacific Ridge Capital Partners
Oregon
$1.61M 454,872 -6,266 -1%
Jane Street
6
Jane Street
New York
$952K 268,182 +251,850 +1,542%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$709K 199,729 +1,837 +0.9%
Citadel Advisors
8
Citadel Advisors
Florida
$545K 153,538 +123,107 +405%
ACM
9
Archon Capital Management
Washington
$543K 153,098 – –
EI
10
EAM Investors
California
$481K 135,388 +135,388 New
Renaissance Technologies
11
Renaissance Technologies
New York
$362K 101,860 +9,000 +10%
BlackRock
12
BlackRock
New York
$327K 92,226 -2,369 -3%
State Street
13
State Street
Massachusetts
$302K 84,976 +19,100 +29%
EIM
14
Essex Investment Management
Massachusetts
$258K 72,791 -852 -1%
Morgan Stanley
15
Morgan Stanley
New York
$257K 72,503 +40,200 +124%
VF
16
Virtu Financial
New York
$179K 50,425 +50,425 New
Northern Trust
17
Northern Trust
Illinois
$157K 44,289 +4,630 +12%
HF
18
HRT Financial
New York
$139K 39,158 +39,158 New
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$136K 38,371 +3,477 +10%
Goldman Sachs
20
Goldman Sachs
New York
$131K 37,020 +10,677 +41%
CSS
21
Cubist Systematic Strategies
Connecticut
$75.6K 21,290 +21,290 New
BTWM
22
Baker Tilly Wealth Management
Wisconsin
$71K 20,000 – –
LCM
23
Legato Capital Management
California
$60.8K 17,132 -852 -5%
QC
24
Quadrature Capital
United Kingdom
$57K 16,025 +16,025 New
Simplex Trading
25
Simplex Trading
Illinois
$48K 13,558 -3,742 -22%
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