WOBURN, MA
BRIDGELINE DIGITAL, INC.BLIN— Latest position per institution from SEC 13F filings
15
Institutional holders
2.09M
Total shares held
2.35M
Estimated value
104.34K
Avg. position size
BARD ASSOCIATES INC
CIK 1105907
Shares
1.03M
Value
1.20M
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
156.73K
Value
181.81K
Filed
Jun 30, 2026
HERON BAY CAPITAL MANAGEMENT
CIK 1842149
Shares
143.09K
Value
211.78K
Filed
Mar 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
124.05K
Value
143.96K
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
110.79K
Value
91.95K
Filed
Dec 31, 2025
LIDO ADVISORS, LLC
CIK 1650150
Shares
78.97K
Value
91.61K
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
76.11K
Value
88.29K
Filed
Jun 30, 2026
KESTRA PRIVATE WEALTH SERVICES, LLC
CIK 1649451
Shares
70K
Value
64.40K
Filed
Jun 30, 2024
CITADEL ADVISORS LLC
CIK 1423053
Shares
56.09K
Value
44.70K
Filed
Mar 31, 2026
DRW SECURITIES, LLC
CIK 1481986
Shares
54.44K
Value
45.19K
Filed
Dec 31, 2025
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
34.68K
Value
40.23K
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
22.35K
Value
25.93K
Filed
Jun 30, 2026
LPL FINANCIAL LLC
CIK 1403438
Shares
22.01K
Value
25.53K
Filed
Jun 30, 2026
XTX TOPCO LTD
CIK 1828301
Shares
21.77K
Value
25.26K
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
19.73K
Value
31.18K
Filed
Dec 31, 2024
STATE STREET CORP
CIK 93751
Shares
16.20K
Value
18.79K
Filed
Jun 30, 2026
HRT FINANCIAL LP
CIK 1475597
Shares
15.56K
Value
24.00
Filed
Dec 31, 2024
VIRTU FINANCIAL LLC
CIK 1533964
Shares
12.28K
Value
10.00
Filed
Dec 31, 2025
NORTHERN TRUST CORP
CIK 73124
Shares
11.55K
Value
13.40K
Filed
Jun 30, 2026
SCHONFELD STRATEGIC ADVISORS LLC
CIK 1665241
Shares
10.11K
Value
11.73K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BARD ASSOCIATES INC | 1105907 | 1.03M | 1.20M | Jun 30, 2026 |
| 2 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 156.73K | 181.81K | Jun 30, 2026 |
| 3 | HERON BAY CAPITAL MANAGEMENT | 1842149 | 143.09K | 211.78K | Mar 31, 2025 |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 124.05K | 143.96K | Jun 30, 2026 |
| 5 | VANGUARD GROUP INC | 102909 | 110.79K | 91.95K | Dec 31, 2025 |
| 6 | LIDO ADVISORS, LLC | 1650150 | 78.97K | 91.61K | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 76.11K | 88.29K | Jun 30, 2026 |
| 8 | KESTRA PRIVATE WEALTH SERVICES, LLC | 1649451 | 70K | 64.40K | Jun 30, 2024 |
| 9 | CITADEL ADVISORS LLC | 1423053 | 56.09K | 44.70K | Mar 31, 2026 |
| 10 | DRW SECURITIES, LLC | 1481986 | 54.44K | 45.19K | Dec 31, 2025 |
| 11 | VANGUARD FIDUCIARY TRUST CO | 933478 | 34.68K | 40.23K | Jun 30, 2026 |
| 12 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 22.35K | 25.93K | Jun 30, 2026 |
| 13 | LPL FINANCIAL LLC | 1403438 | 22.01K | 25.53K | Jun 30, 2026 |
| 14 | XTX TOPCO LTD | 1828301 | 21.77K | 25.26K | Jun 30, 2026 |
| 15 | JANE STREET GROUP, LLC | 1595888 | 19.73K | 31.18K | Dec 31, 2024 |
| 16 | STATE STREET CORP | 93751 | 16.20K | 18.79K | Jun 30, 2026 |
| 17 | HRT FINANCIAL LP | 1475597 | 15.56K | 24.00 | Dec 31, 2024 |
| 18 | VIRTU FINANCIAL LLC | 1533964 | 12.28K | 10.00 | Dec 31, 2025 |
| 19 | NORTHERN TRUST CORP | 73124 | 11.55K | 13.40K | Jun 30, 2026 |
| 20 | SCHONFELD STRATEGIC ADVISORS LLC | 1665241 | 10.11K | 11.73K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.