Bridgeline Digital, Inc.
BLIN- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001378590
No open-market purchases or sales by Bridgeline Digital, Inc. insiders were filed in the last 90 days; 15 institutions reported holding it in 13F filings for Q2 2026, worth $1.87M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Bridgeline Digital, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 17
- +1 vs. Q4 2025
- Shares held
- 1.72M
- −59.5K (−3.3%) vs. Q4 2025
- Total value
- $1.37M
- −$106.3K (−7.2%) vs. Q4 2025
- New holders
- 4
- 3 more added
- Sold out
- 3
- 8 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BLIN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 15 | $1.87M |
| Q1 2026 | 17 | $1.37M |
| Q4 2025 | 19 | $1.57M |
| Q3 2025 | 15 | $2.55M |
| Q2 2025 | 13 | $2.74M |
| Q1 2025 | 15 | $2.94M |
| Q4 2024 | 12 | $697.2K |
| Q3 2024 | 12 | $453.4K |
| Q2 2024 | 12 | $665.7K |
| Q1 2024 | 10 | $867.6K |
| Q4 2023 | 10 | $712.2K |
| Q3 2023 | 14 | $767.6K |
| Q2 2023 | 13 | $1.04M |
| Q1 2023 | 14 | $808.7K |
| Q4 2022 | 12 | $990.3K |
| Q3 2022 | 17 | $1.43M |
| Q2 2022 | 17 | $1.53M |
| Q1 2022 | 20 | $3.84M |
| Q4 2021 | 22 | $5.19M |
| Q3 2021 | 22 | $5.28M |
| Q2 2021 | 12 | $5.05M |
| Q1 2021 | 16 | $2.63M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Bridgeline Digital, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bard Associates Inc | 1,077,770 | $859.0K | 0.22% | −81,558−7.0% | Reduced |
| Renaissance Technologies LLC | 158,729 | $126.5K | 0.00% | +12,600+8.6% | Added |
| Geode Capital Management, LLC | 126,581 | $100.9K | 0.00% | +539+0.4% | Added |
| Lido Advisors, LLC | 78,973 | $62.9K | 0.00% | +21,353+37.1% | Added |
| Vanguard Capital Management LLC | 76,110 | $60.7K | 0.00% | +76,110 | New |
| Citadel Advisors LLC | 56,085 | $44.7K | 0.00% | −61,753−52.4% | Reduced |
| Vanguard Fiduciary Trust Co | 34,680 | $27.6K | 0.00% | +34,680 | New |
| XTX Topco Ltd | 23,825 | $19.0K | 0.00% | −2,551−9.7% | Reduced |
| Susquehanna International Group, LLP | 23,049 | $18.4K | 0.00% | −8,067−25.9% | Reduced |
| LPL Financial LLC | 19,010 | $15.2K | 0.00% | +19,010 | New |
| State Street Corp | 16,200 | $12.9K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 11,551 | $9.21K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 10,226 | $8.15K | 0.00% | −109−1.1% | Reduced |
| Tower Research Capital LLC (TRC) | 4,516 | $3.60K | 0.00% | −195−4.1% | Reduced |
| Citigroup Inc | 646 | $515 | 0.00% | −2,988−82.2% | Reduced |
| TD Waterhouse Canada Inc. | 200 | $179 | 0.00% | +200 | New |
| UBS Group AG | 2 | $2 | 0.00% | −2−50.0% | Reduced |
| DRW Securities, LLC | 0 | $0 | 0.00% | −54,438−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,278−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Motiv8 Investments LLC | – | – | – | – | Not filed |