Data Storage Corp (DTST) Institutional Ownership

Ownership Summary

Data Storage Corp (NASDAQ:DTST) is held by 35 institutional investors per 13F filings through December 2025.

• These investors held 19.4% of outstanding shares in December 2025, up from 11.1% in September 2025.
• They increased total shares held in DTST by 93.92% quarter over quarter, and investors in Data Storage increased 40.0% from a year ago.
• Activity in DTST broke down as 23 buyers, 7 sellers, and 5 unchanged among 35 total holders.
• Combined, these investors held 1.48Mn shares in DTST for December 2025, up by 714.5K shares quarter on quarter, and up 679.48K shares year over year.
• ANGELES WEALTH MANAGEMENT, LLC leads ownership in DTST with 43.1K shares as of December 31, 2025, equal to 0.57% of outstanding shares.
• The most significant purchases of DTST for the quarter ending December 2025 came from VANGUARD CAPITAL MANAGEMENT LLC (31.28K), MILLENNIUM MANAGEMENT LLC (21.97K), VANGUARD FIDUCIARY TRUST CO (4.83K), Tower Research Capital LLC (TRC) (477), Morgan Stanley (268).
• The largest sellers of Data Storage for the quarter ending December 2025 were CITADEL ADVISORS LLC (27.62K), Focus Partners Wealth (21.31K), GEODE CAPITAL MANAGEMENT, LLC (15.87K), XTX Topco Ltd (13.0K), Centiva Capital, LP (5.06K).
• Business Quant data shows the 10 biggest positions in Data Storage as of December 2025 are held by ANGELES WEALTH MANAGEMENT, LLC (43.1K), GEODE CAPITAL MANAGEMENT, LLC (38.25K), VANGUARD CAPITAL MANAGEMENT LLC (31.28K), CITADEL ADVISORS LLC (22.96K), MILLENNIUM MANAGEMENT LLC (21.97K), Focus Partners Wealth (17.83K), Centiva Capital, LP (16.18K), XTX Topco Ltd (13.14K), VANGUARD FIDUCIARY TRUST CO (4.83K), Tower Research Capital LLC (TRC) (1.45K).