WOBURN, MA
BRIDGELINE DIGITAL, INC.BLIN— Latest position per institution from SEC 13F filings
15
Institutional holders
2.44M
Total shares held
2.11M
Estimated value
121.99K
Avg. position size
BARD ASSOCIATES INC
CIK 1105907
Shares
1.08M
Value
858.98K
Filed
Mar 31, 2026
AWM INVESTMENT COMPANY, INC.
CIK 1535264
Shares
300K
Value
315K
Filed
Dec 31, 2022
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
158.73K
Value
126.51K
Filed
Mar 31, 2026
HERON BAY CAPITAL MANAGEMENT
CIK 1842149
Shares
143.09K
Value
211.78K
Filed
Mar 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
126.58K
Value
100.92K
Filed
Mar 31, 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
62.94K
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
76.11K
Value
60.66K
Filed
Mar 31, 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
27.64K
Filed
Mar 31, 2026
XTX TOPCO LTD
CIK 1828301
Shares
23.82K
Value
18.99K
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
23.05K
Value
18.37K
Filed
Mar 31, 2026
NEWEDGE ADVISORS, LLC
CIK 1633516
Shares
22.81K
Value
30.00
Filed
Sep 30, 2022
JANE STREET GROUP, LLC
CIK 1595888
Shares
19.73K
Value
31.18K
Filed
Dec 31, 2024
LPL FINANCIAL LLC
CIK 1403438
Shares
19.01K
Value
15.15K
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
16.20K
Value
12.91K
Filed
Mar 31, 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
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BARD ASSOCIATES INC | 1105907 | 1.08M | 858.98K | Mar 31, 2026 |
| 2 | AWM INVESTMENT COMPANY, INC. | 1535264 | 300K | 315K | Dec 31, 2022 |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 158.73K | 126.51K | Mar 31, 2026 |
| 4 | HERON BAY CAPITAL MANAGEMENT | 1842149 | 143.09K | 211.78K | Mar 31, 2025 |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 126.58K | 100.92K | Mar 31, 2026 |
| 6 | VANGUARD GROUP INC | 102909 | 110.79K | 91.95K | Dec 31, 2025 |
| 7 | LIDO ADVISORS, LLC | 1650150 | 78.97K | 62.94K | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 76.11K | 60.66K | Mar 31, 2026 |
| 9 | KESTRA PRIVATE WEALTH SERVICES, LLC | 1649451 | 70K | 64.40K | Jun 30, 2024 |
| 10 | CITADEL ADVISORS LLC | 1423053 | 56.09K | 44.70K | Mar 31, 2026 |
| 11 | DRW SECURITIES, LLC | 1481986 | 54.44K | 45.19K | Dec 31, 2025 |
| 12 | VANGUARD FIDUCIARY TRUST CO | 933478 | 34.68K | 27.64K | Mar 31, 2026 |
| 13 | XTX TOPCO LTD | 1828301 | 23.82K | 18.99K | Mar 31, 2026 |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 23.05K | 18.37K | Mar 31, 2026 |
| 15 | NEWEDGE ADVISORS, LLC | 1633516 | 22.81K | 30.00 | Sep 30, 2022 |
| 16 | JANE STREET GROUP, LLC | 1595888 | 19.73K | 31.18K | Dec 31, 2024 |
| 17 | LPL FINANCIAL LLC | 1403438 | 19.01K | 15.15K | Mar 31, 2026 |
| 18 | STATE STREET CORP | 93751 | 16.20K | 12.91K | Mar 31, 2026 |
| 19 | HRT FINANCIAL LP | 1475597 | 15.56K | 24.00 | Dec 31, 2024 |
| 20 | VIRTU FINANCIAL LLC | 1533964 | 12.28K | 10.00 | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.