OSS
ONE STOP SYS (OSS)
NASDAQ
$17.60-$0.59 (-3.24%)
Price as of Jun 23, 2026 7:59 PM EDT
  • $450.5M
    Market Cap
  • 362.85%
    1-Year Change
  • Computer Hardware
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
4.26%
1.1M
+181,566 (+17.22%)
Dec 31, 2025
N/A
3.87%
959,588
+959,588 (+100.00%)
Mar 31, 2026
JANE STREET GROUP, LLC
3.53%
874,558
+270,753 (+30.96%)
Mar 31, 2026
BLACKROCK, INC.
2.41%
597,303
+459,859 (+76.99%)
Mar 31, 2026
BARD ASSOCIATES INC
2.18%
540,666
-310,192 (-57.37%)
Mar 31, 2026
MORGAN STANLEY
1.74%
431,919
+369,679 (+85.59%)
Mar 31, 2026
MARSHALL WACE, LLP
1.69%
418,978
+145,043 (+34.62%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions110.6M (80.25%)
  • Mutual Funds19.4M (14.11%)
  • Insiders7.8M (5.64%)
  • Other0 (0.00%)

Insider Transactions

  • 5.64% (7.8M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
KNOWLES MICHAEL
Chief Executive Officer
In Kind
Jun 05, 2026
$332,310.75
19,675
$16.89
607,383
Ison Jim
CPO
In Kind
Feb 15, 2026
$27,144.00
3,120
$8.70
146,170
KNOWLES MICHAEL
Chief Executive Officer
In Kind
Feb 15, 2026
$57,855.00
6,650
$8.70
648,058
Ison Jim
CPO
Gift
Feb 15, 2026
$0.00
4,263
$0.00
141,907
Ison Jim
CPO
Gift
Feb 15, 2026
$0.00
4,263
$0.00
231,148
Gabel Daniel G.
Chief Financial Officer
In Kind
Feb 07, 2026
$72,062.76
7,799
$9.24
155,509
Ison Jim
CPO
Award
Feb 07, 2026
$0.00
34,313
$0.00
155,836
KNOWLES MICHAEL
Chief Executive Officer
In Kind
Feb 07, 2026
$122,873.52
13,298
$9.24
654,708
Ison Jim
CPO
In Kind
Feb 07, 2026
$60,485.04
6,546
$9.24
149,290
Ison Jim
CPO
Gift
Feb 07, 2026
$0.00
8,213
$0.00
141,077
Ison Jim
CPO
Gift
Feb 07, 2026
$0.00
8,213
$0.00
226,885
KNOWLES MICHAEL
Chief Executive Officer
In Kind
Dec 31, 2025
$136,958.50
19,075
$7.18
566,144
KNOWLES MICHAEL
Chief Executive Officer
In Kind
Aug 20, 2025
$43,968.34
8,359
$5.26
585,219
KNOWLES MICHAEL
Chief Executive Officer
In Kind
Jun 05, 2025
$58,369.50
19,075
$3.06
593,578
Herbets Mitchell H
Award
May 21, 2025
$0.00
21,000
$0.00
42,000
KNOWLES MICHAEL
Chief Executive Officer
Award
May 21, 2025
$0.00
21,000
$0.00
612,653
Ison Jim
CPO
In Kind
Feb 20, 2025
$26,342.56
7,006
$3.76
136,667
KNOWLES MICHAEL
Chief Executive Officer
In Kind
Feb 20, 2025
$63,168.00
16,800
$3.76
591,653
Ison Jim
CPO
Gift
Feb 20, 2025
$0.00
7,760
$0.00
128,907
Ison Jim
CPO
Gift
Feb 20, 2025
$0.00
7,760
$0.00
214,401
Ison Jim
CPO
Award
Feb 07, 2025
$179,772.74
44,279
$4.06
135,913
Gabel Daniel G.
Chief Financial Officer
Award
Feb 07, 2025
$289,413.04
71,284
$4.06
111,284
KNOWLES MICHAEL
Chief Executive Officer
Award
Feb 07, 2025
$533,678.88
131,448
$4.06
608,453
Gabel Daniel G.
Chief Financial Officer
Award
Nov 11, 2024
$0.00
40,000
$0.00
40,000
POTASHNER KENNETH F
Exempt
Jul 09, 2024
$0.00
40,000
$0.00
0
POTASHNER KENNETH F
Exempt
Jul 09, 2024
$18,400.00
40,000
$0.46
398,601