ESCONDIDO, CA
ONE STOP SYSTEMS, INC.OSS— Latest position per institution from SEC 13F filings
15
Institutional holders
10.38M
Total shares held
74.85M
Estimated value
518.80K
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
1.05M
Value
7.57M
Filed
Dec 31, 2025
JANE STREET GROUP, LLC
CIK 1595888
Shares
1.02M
Value
7.74M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
959.59K
Value
7.26M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
744.98K
Value
5.64M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
693.49K
Value
4.98M
Filed
Dec 31, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
655.30K
Value
4.96M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
597.30K
Value
4.52M
Filed
Mar 31, 2026
BARD ASSOCIATES INC
CIK 1105907
Shares
540.67K
Value
4.09M
Filed
Mar 31, 2026
PACIFIC RIDGE CAPITAL PARTNERS, LLC
CIK 1591546
Shares
432.36K
Value
3.10M
Filed
Dec 31, 2025
MORGAN STANLEY
CIK 895421
Shares
431.92K
Value
3.27M
Filed
Mar 31, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
418.98K
Value
3.17M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
407.01K
Value
3.08M
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
400.73K
Value
3.03M
Filed
Mar 31, 2026
HERALD INVESTMENT MANAGEMENT LTD
CIK 1512022
Shares
379.06K
Value
898.37K
Filed
Jun 30, 2024
ARCHON CAPITAL MANAGEMENT LLC
CIK 1398825
Shares
326.81K
Value
2.35M
Filed
Dec 31, 2025
POLAR ASSET MANAGEMENT PARTNERS INC.
CIK 1326389
Shares
292.25K
Value
1.57M
Filed
Sep 30, 2025
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
259.96K
Value
1.97M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
253.29K
Value
1.82M
Filed
Dec 31, 2025
DNB ASSET MANAGEMENT AS
CIK 1456670
Shares
252.73K
Value
1.91M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
252.45K
Value
1.91M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 1.05M | 7.57M | Dec 31, 2025 |
| 2 | JANE STREET GROUP, LLC | 1595888 | 1.02M | 7.74M | Mar 31, 2026 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 959.59K | 7.26M | Mar 31, 2026 |
| 4 | CITADEL ADVISORS LLC | 1423053 | 744.98K | 5.64M | Mar 31, 2026 |
| 5 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 693.49K | 4.98M | Dec 31, 2025 |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 655.30K | 4.96M | Mar 31, 2026 |
| 7 | BLACKROCK, INC. | 2012383 | 597.30K | 4.52M | Mar 31, 2026 |
| 8 | BARD ASSOCIATES INC | 1105907 | 540.67K | 4.09M | Mar 31, 2026 |
| 9 | PACIFIC RIDGE CAPITAL PARTNERS, LLC | 1591546 | 432.36K | 3.10M | Dec 31, 2025 |
| 10 | MORGAN STANLEY | 895421 | 431.92K | 3.27M | Mar 31, 2026 |
| 11 | MARSHALL WACE, LLP | 1318757 | 418.98K | 3.17M | Mar 31, 2026 |
| 12 | UBS GROUP AG | 1610520 | 407.01K | 3.08M | Mar 31, 2026 |
| 13 | MILLENNIUM MANAGEMENT LLC | 1273087 | 400.73K | 3.03M | Mar 31, 2026 |
| 14 | HERALD INVESTMENT MANAGEMENT LTD | 1512022 | 379.06K | 898.37K | Jun 30, 2024 |
| 15 | ARCHON CAPITAL MANAGEMENT LLC | 1398825 | 326.81K | 2.35M | Dec 31, 2025 |
| 16 | POLAR ASSET MANAGEMENT PARTNERS INC. | 1326389 | 292.25K | 1.57M | Sep 30, 2025 |
| 17 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 259.96K | 1.97M | Mar 31, 2026 |
| 18 | TWO SIGMA INVESTMENTS, LP | 1179392 | 253.29K | 1.82M | Dec 31, 2025 |
| 19 | DNB ASSET MANAGEMENT AS | 1456670 | 252.73K | 1.91M | Mar 31, 2026 |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 252.45K | 1.91M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.