OSS icon

One Stop Systems
OSS

Overview Fund Activity

38 hedge funds and large institutions have $22.8M invested in One Stop Systems in 2025 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 13 increasing their positions, 11 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
38
Holders Change
+5
Holders Change %
+15.15%
% of All Funds
0.51%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
9
Increased
13
Reduced
11
Closed
4
Calls
$555K
Puts
$224K
Net Calls
+$331K
Net Calls Change
+$389K

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 Holding Trade Value Shares
Change 		Shares
Change %
LLL
1
Lynrock Lake LP
New York
$7.28M -$61.4K -17,292 -0.8%
BA
2
Bard Associates
Illinois
$3.36M -$291K -81,923 -8%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.64M +$32.2K +9,059 +1%
Marshall Wace
4
Marshall Wace
United Kingdom
$1.69M +$1.55M +437,664 +1,130%
PRCP
5
Pacific Ridge Capital Partners
Oregon
$1.61M -$22.2K -6,266 -1%
Jane Street
6
Jane Street
New York
$952K +$894K +251,850 +1,542%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$709K +$6.52K +1,837 +0.9%
Citadel Advisors
8
Citadel Advisors
Florida
$545K +$437K +123,107 +405%
ACM
9
Archon Capital Management
Washington
$543K – – –
EI
10
EAM Investors
California
$481K +$481K +135,388 New
Renaissance Technologies
11
Renaissance Technologies
New York
$362K +$32K +9,000 +10%
BlackRock
12
BlackRock
New York
$327K -$8.41K -2,369 -3%
State Street
13
State Street
Massachusetts
$302K +$67.8K +19,100 +29%
EIM
14
Essex Investment Management
Massachusetts
$258K -$3.03K -852 -1%
Morgan Stanley
15
Morgan Stanley
New York
$257K +$143K +40,200 +124%
Susquehanna International Group
16
Susquehanna International Group
Pennsylvania
$197K +$154K +43,246 +349%
VF
17
Virtu Financial
New York
$179K +$179K +50,425 New
Northern Trust
18
Northern Trust
Illinois
$157K +$16.4K +4,630 +12%
HF
19
HRT Financial
New York
$139K +$139K +39,158 New
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$136K +$12.3K +3,477 +10%
Goldman Sachs
21
Goldman Sachs
New York
$131K +$37.9K +10,677 +41%
CSS
22
Cubist Systematic Strategies
Connecticut
$75.6K +$75.6K +21,290 New
BTWM
23
Baker Tilly Wealth Management
Wisconsin
$71K – – –
LCM
24
Legato Capital Management
California
$60.8K -$3.03K -852 -5%
QC
25
Quadrature Capital
United Kingdom
$57K +$57K +16,025 New
1
2