Data Storage Corporation (DTST) Ownership
DTST ownership summary
as of October 18, 2026- Institutions
- 8.4% of shares outstanding
- Insiders
- 19.09% of shares outstanding
- Shares outstanding
- 2.3M
- Float
- 2.0M shares available to trade
- Short interest
- 2.16% 45K shares short
- Days to cover
- 2.23 short interest up 1,177.3% vs prior month
- Institutions 8.42%
- Insiders 19.09%
- Other investors 72.49%
DTST top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | ANGELES WEALTH MANAGEMENT, LLC | 1.84% | 43K | $129,731 | — | June 30, 2026 |
| 2 | Citadel Advisors Llc | 1.01% | 24K | $71,108 | +666 (+2.9%) | June 30, 2026 |
| 3 | Geode Capital Management, LLC | 0.81% | 19K | $57,015 | −19,305 (−50.5%) | June 30, 2026 |
| 4 | The Colony Group LLC | 0.76% | 18K | $53,665 | — | June 30, 2026 |
| 5 | Millennium Management LLC | 0.54% | 13K | $38,194 | −9,285 (−42.3%) | June 30, 2026 |
| 6 | HRT FINANCIAL LLC | 0.47% | 11K | $32,812 | +10,901 (0.0%) | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 0.35% | 8,165 | $24,577 | −23,118 (−73.9%) | June 30, 2026 |
| 8 | UBS Group AG | 0.23% | 5,279 | $15,890 | +5,279 (0.0%) | June 30, 2026 |
| 9 | Vanguard Fiduciary Trust Co | 0.21% | 4,834 | $14,550 | — | June 30, 2026 |
| 10 | Royal Bank of Canada | 0.06% | 1,379 | $4,151 | +1,379 (0.0%) | June 30, 2026 |
| 11 | Advisor Group Holdings, Inc. | 0.01% | 300 | $903 | −780 (−72.2%) | June 30, 2026 |
| 12 | Bessemer Group Inc | 0.01% | 150 | $451 | +150 (0.0%) | June 30, 2026 |
| 13 | SBI Securities Co Ltd | <0.01% | 100 | $301 | — | June 30, 2026 |
| 14 | BlackRock Inc | <0.01% | 69 | $208 | — | June 30, 2026 |
| 15 | Barclays PLC | <0.01% | 5 | $15 | +5 (0.0%) | June 30, 2026 |
| 16 | Tower Research Capital LLC | <0.01% | 3 | $9 | −1,447 (−99.8%) | June 30, 2026 |
| 17 | State Street Corp | 0.00% | — | — | −11,217 (−100.0%) | March 31, 2026 |
| 18 | Northern Trust Corp | 0.00% | — | — | −16,798 (−100.0%) | March 31, 2026 |
| 19 | EJF Capital LLC | 0.00% | — | — | −200,000 (−100.0%) | March 31, 2026 |
| 20 | Centiva Capital LP | 0.00% | — | — | −16,176 (−100.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 6 holders added 18K shares and 9 cut 298K.
DTST top mutual fund and ETF holders
6 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Perritt MicroCap Opportunities Investor | 1.71% | 40K | $120,400 | — | December 31, 2025 |
| 2 | Fidelity Total Market Index | 0.43% | 10K | $30,533 | — | August 31, 2026 |
| 3 | EA Bridgeway Omni Small-Cap Value ETF | 0.30% | 7,000 | $21,070 | — | September 30, 2026 |
| 4 | Fidelity Extended Market Index | 0.23% | 5,262 | $15,839 | — | August 31, 2026 |
| 5 | Fidelity Series Total Market Index | 0.12% | 2,770 | $8,338 | — | August 31, 2026 |
| 6 | Dimensional US Core Equity USD Acc | 0.11% | 2,522 | $7,591 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
DTST insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-12 | Lawrence A Maglione | Sell | $5.03 | 3,298 | $16,589 |
| 2025-12-11 | Lawrence A Maglione | Sell | $5.00 | 18,231 | $91,155 |
| 2025-12-11 | Todd A Correll | Sell | $4.96 | 10,471 | $51,936 |
| 2025-12-10 | Charles M Piluso | Sell | $4.99 | 20,089 | $100,244 |
| 2025-12-10 | Christos Panagiotakos | Sell | $4.99 | 11,053 | $55,154 |
| 2025-12-10 | Thomas Kempster | Sell | $4.99 | 6,846 | $34,162 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
DTST shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns DTST
Institutional investors own 8.4% of Data Storage's shares and insiders 19.09%. The largest holder is ANGELES WEALTH MANAGEMENT, LLC with 1.84% of the shares (43K), as of June 30, 2026. Among the top 20 institutions, 6 added shares and 9 reduced their stake in the latest filings. Short interest is 2.16% of the float, or 2.23 days of average trading volume. The share count rose 762.6% since 2014.
Related: DTST analyst forecast, DTST key metrics. See the DTST stock overview for the latest quote and news.
DTST ownership FAQ
Who owns the most Data Storage stock?
The largest shareholders of Data Storage are ANGELES WEALTH MANAGEMENT, LLC (1.84%), Citadel Advisors Llc (1.01%), Geode Capital Management, LLC (0.81%), The Colony Group LLC (0.76%), Millennium Management LLC (0.54%).
What percentage of Data Storage is owned by institutions?
Institutions hold 8.4% of Data Storage's shares outstanding; insiders hold 19.09%.
Which funds own Data Storage?
The largest fund holders of Data Storage are Perritt MicroCap Opportunities Investor (1.71%), Fidelity Total Market Index (0.43%), EA Bridgeway Omni Small-Cap Value ETF (0.30%), Fidelity Extended Market Index (0.23%), Fidelity Series Total Market Index (0.12%).
What is Data Storage's short interest?
45K shares of Data Storage were sold short, 2.16% of the float; at the average daily volume it would take 2.23 days to cover.
Are insiders buying or selling Data Storage?
Of the latest 6 reported insider transactions in Data Storage (since December 10, 2025), 0 were purchases and 6 were sales.
How many shares of Data Storage are outstanding?
Data Storage has 2.3M shares outstanding, of which 2.0M are in the public float.