6CM
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683 Capital Management’s One Stop Systems OSS Stock Holding History

683 Capital Management’s Portfolio OSS Stock Details OSS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$454K Sell
60,000
-30,253
-34% -$282K 0.02% 188
2025
Q4 		$648K Buy
+90,253
New +$534K 0.03% 177

Other funds holding OSS

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BA
Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

683 Capital Management's OSS Position: Q1 2026 in Review

683 Capital Management reduced its One Stop Systems (OSS) stake by 34% in Q1 2026, selling an estimated $282K and leaving 60,000 shares worth $454K. The position accounts for 0.02% of the portfolio, ranked #188.

683 Capital Management first reported a position in OSS in Q4 2025 and has held it in 2 quarters since. The position peaked at $648K in Q4 2025. 77 funds tracked by Wall St. Rank hold OSS as of Q1 2026.

  • 683 Capital Management held 60,000 shares of One Stop Systems worth $454K as of Q1 2026.
  • 683 Capital Management sold 30,253 One Stop Systems shares in Q1 2026, an estimated $282K.
  • One Stop Systems made up 0.02% of 683 Capital Management's portfolio in Q1 2026, its #188 holding.
  • 683 Capital Management first reported a position in One Stop Systems in Q4 2025 and has held it in 2 quarters since.
  • 683 Capital Management's One Stop Systems position peaked at $648K in Q4 2025.
  • 77 funds tracked by Wall St. Rank held One Stop Systems as of Q1 2026.

Based on 683 Capital Management's 13F filing for Q1 2026, filed 15 May 2026.