DOSSIER · 13F Holders · Q4 2025
DTST

DATA STORAGE CORP

17 institutions still hold DATA STORAGE CORP as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 23786R201·17 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$675K
visible holders
Holders
17
filers reporting
Concentration
30.32%
PERRITT CAPITAL MANAGEMENT INC #1
top holder share
AI Holders Summary · Q4 2025

17 institutions reported DTST in Q4 2025. PERRITT CAPITAL MANAGEMENT INC leads at 30.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
PERRITT CAPITAL MANAGEMENT INC
CIK 0001279342
$205K40K0.34%Q4 2025
02
ANGELES WEALTH MANAGEMENT, LLC
CIK 0001929170
$149K43K0.01%Q2 2026
03
CITADEL ADVISORS LLC
CIK 0001423053
$82K24K0.00%Q2 2026
04
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$65K19K0.00%Q2 2026
05
Focus Partners Wealth
CIK 0001542153
$62K18K0.00%Q2 2026
06
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$44K13K0.00%Q2 2026
07
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$28K8K0.00%Q2 2026
08
UBS Group AG
CIK 0001610520
$18K5K0.00%Q2 2026
09
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$17K5K0.00%Q2 2026
10
ROYAL BANK OF CANADA
CIK 0001000275
$5K1K0.00%Q2 2026
11
OSAIC HOLDINGS, INC.
CIK 0001677044
$1K3000.00%Q2 2026
12
SBI Securities Co., Ltd.
CIK 0001851815
$3451000.00%Q2 2026
13
BlackRock, Inc.
CIK 0002012383
$238690.00%Q2 2026
14
BARCLAYS PLC
CIK 0000312069
$1750.00%Q2 2026
15
Tower Research Capital LLC (TRC)
CIK 0001533421
$1030.00%Q2 2026
16
FMR LLC
CIK 0000315066
$100.00%Q2 2026
17
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Insiders at DATA STORAGE CORP
Argen JohnGrover MatthewKempster ThomasMaglione Lawrence A.Mitchell Uwayne A.Stallone NancySchwartz Harold JStein Clifford