DOSSIER · 13F Holders · Q1 2026
BLIN

BRIDGELINE DIGITAL INC

21 institutions still hold BRIDGELINE DIGITAL INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 10807Q700·21 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$1M
visible holders
Holders
21
filers reporting
Concentration
59.73%
BARD ASSOCIATES INC #1
top holder share
AI Holders Summary · Q1 2026

21 institutions reported BLIN in Q1 2026. BARD ASSOCIATES INC leads at 59.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BARD ASSOCIATES INC
CIK 0001105907
$859K1.1M0.22%Q1 2026
02
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$127K159K0.00%Q1 2026
03
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$101K127K0.00%Q1 2026
04
CITADEL ADVISORS LLC
CIK 0001423053
$98K118K0.00%Q4 2025
05
Lido Advisors, LLC
CIK 0001650150
$63K79K0.00%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$61K76K0.00%Q1 2026
07
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$28K35K0.00%Q1 2026
08
XTX Topco Ltd
CIK 0001828301
$19K24K0.00%Q1 2026
09
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$18K23K0.00%Q1 2026
10
LPL Financial LLC
CIK 0001403438
$15K19K0.00%Q1 2026
11
AVANTAX ADVISORY SERVICES, INC.
CIK 0001303042
$14K10K0.00%Q2 2025
12
STATE STREET CORP
CIK 0000093751
$13K16K0.00%Q1 2026
13
NORTHERN TRUST CORP
CIK 0000073124· Index
$9K12K0.00%Q1 2026
14
Schonfeld Strategic Advisors LLC
CIK 0001665241
$8K10K0.00%Q1 2026
15
Tower Research Capital LLC (TRC)
CIK 0001533421
$4K5K0.00%Q1 2026
16
CIBC Private Wealth Group LLC
CIK 0001298088
$2K2K0.00%Q4 2025
17
CITIGROUP INC
CIK 0000831001
$5156460.00%Q1 2026
18
TD Waterhouse Canada Inc.
CIK 0001999606
$1792000.00%Q1 2026
19
UBS Group AG
CIK 0001610520
$220.00%Q1 2026
20
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Page 1 of 2
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Insiders at BRIDGELINE DIGITAL INC
Windhausen Thomas R.Kahn Roger E.Ketslakh MichaelRoss BrandonGalaznik KennethKahn JoniTaglich Michael NLanders Scott E