ONE STOP SYSTEMS INC (OSS) Institutional Ownership and Insiders Activity

ONE STOP SYSTEMS INC (OSS) is widely held by institutional investors, with 105 firms reporting positions valued at approximately $190.51M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $33.41M in OSS holdings in its latest filing.

Recent insider activity includes 3 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.