Latest Period
Q4 2025
Security Snapshot
Bridgeline Digital, Inc. - Common Stock (BLIN) Institutional Ownership
CUSIP: 10807Q700
13F Institutional Holders and Ownership History from Q2 2019 to Q4 2025
Institutions Reporting
18
Shares (Excl. Options)
1,890,475
Price
$0.83
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- Type / Class
- Equity / Common Stock
- Symbol
- BLIN on Nasdaq
- Shares outstanding
- 11,248,309
- Price per share
- $0.85
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 1,890,475
- Total reported value
- $1,569,290
- % of total 13F portfolios
- 0%
- Share change
- -46,291
- Value change
- -$38,641
- Number of holders
- 18
- Price from insider filings
- $0.85
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- BLIN - Bridgeline Digital, Inc. - Common Stock is tracked under CUSIP 10807Q700.
- 18 institutions reported positions in Q4 2025.
- 3 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 15 to 18 between Q3 2025 and Q4 2025.
- Reported value moved from $2,553,102 to $1,569,290.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 18 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 10807Q700?
CUSIP 10807Q700 identifies BLIN - Bridgeline Digital, Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 10807Q700:
Significant Owners of Bridgeline Digital, Inc. - Common Stock (BLIN) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Kahn Roger E. | 20% | +17% | $2,464,293 | +$444,830 | 2,649,777 | +22% | Kahn Roger E. | 30 Jan 2026 |
| BARD ASSOCIATES INC | 9.7% | -14% | $905,820 | -$201,585 | 1,091,086 | -18% | BARD ASSOCIATES INC | 26 Dec 2025 |
| Jacobsen Per A. | 9.6% | $1,540,000 | 1,000,000 | Jacobsen Per A. | 23 Dec 2024 |
As of 31 Dec 2025, 18 institutional investors reported holding 1,890,475 shares of Bridgeline Digital, Inc. - Common Stock (BLIN). This represents 17% of the company’s total 11,248,309 outstanding shares.
Top 19 Institutional Shareholders
The largest institutional shareholders of Bridgeline Digital, Inc. - Common Stock (BLIN) together control 17% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BARD ASSOCIATES INC | 10% | 1,159,328 | -17% | 0.25% | $962,475 |
| RENAISSANCE TECHNOLOGIES LLC | 1.3% | 146,129 | -15% | 0% | $121,316 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 126,042 | 0% | 0% | $104,674 |
| CITADEL ADVISORS LLC | 1% | 117,838 | +279% | 0% | $97,829 |
| VANGUARD GROUP INC | 0.98% | 110,790 | 0% | 0% | $91,955 |
| Lido Advisors, LLC | 0.51% | 57,620 | 0% | $47,836 | |
| DRW Securities, LLC | 0.48% | 54,438 | 0% | $45,194 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.28% | 31,116 | -43% | 0% | $25,833 |
| XTX Topco Ltd | 0.23% | 26,376 | +158% | 0% | $21,897 |
| STATE STREET CORP | 0.14% | 16,200 | 0% | 0% | $13,449 |
| Virtu Financial LLC | 0.11% | 12,278 | 0% | $10,000 | |
| NORTHERN TRUST CORP | 0.1% | 11,551 | 0% | 0% | $9,590 |
| Schonfeld Strategic Advisors LLC | 0.09% | 10,335 | +1.2% | 0% | $8,580 |
| Tower Research Capital LLC (TRC) | 0.04% | 4,711 | +40% | 0% | $3,911 |
| CITIGROUP INC | 0.03% | 3,634 | 0% | $3,017 | |
| CIBC Private Wealth Group LLC | 0.02% | 2,000 | 0% | 0% | $1,660 |
| BANK OF AMERICA CORP /DE/ | 0% | 85 | +1.2% | 0% | $71 |
| UBS Group AG | 0% | 4 | +100% | 0% | $3 |
| BARCLAYS PLC | 0% | 0 | -100% | $0 |
Institutional Holders of Bridgeline Digital, Inc. - Common Stock (BLIN) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,890,475 | $1,569,290 | -$38,641 | $0.83 | 18 |
| 2025 Q3 | 1,936,766 | $2,553,102 | -$31,099 | $1.32 | 15 |
| 2025 Q2 | 1,968,251 | $2,735,923 | -$40,269 | $1.39 | 13 |
| 2025 Q1 | 1,986,787 | $2,940,517 | +$2,283,843 | $1.48 | 15 |
| 2024 Q4 | 441,570 | $697,176 | +$100,066 | $1.58 | 12 |
| 2024 Q3 | 394,109 | $453,450 | -$359,142 | $1.15 | 12 |
| 2024 Q2 | 723,610 | $665,744 | -$22,111 | $0.92 | 12 |
| 2024 Q1 | 747,610 | $867,592 | -$83,522 | $1.16 | 10 |
| 2023 Q4 | 819,636 | $712,236 | -$89,234 | $0.87 | 10 |
| 2023 Q3 | 924,377 | $767,551 | +$33,321 | $0.83 | 14 |
| 2023 Q2 | 882,880 | $1,041,656 | -$6,512 | $1.18 | 13 |
| 2023 Q1 | 889,876 | $815,438 | -$92,214 | $0.91 | 14 |
| 2022 Q4 | 945,182 | $997,263 | -$158,976 | $1.05 | 12 |
| 2022 Q3 | 1,096,116 | $1,441,000 | -$263,884 | $1.31 | 15 |
| 2022 Q2 | 1,274,862 | $1,533,000 | -$896,862 | $1.20 | 14 |
| 2022 Q1 | 2,012,870 | $3,842,000 | -$575,375 | $1.91 | 17 |
| 2021 Q4 | 2,295,691 | $5,188,000 | +$1,777,935 | $2.26 | 19 |
| 2021 Q3 | 1,489,417 | $6,122,000 | +$1,291,506 | $4.11 | 19 |
| 2021 Q2 | 1,174,279 | $5,048,000 | +$1,626,544 | $4.29 | 11 |
| 2021 Q1 | 909,201 | $2,624,000 | +$2,030,015 | $2.88 | 15 |
| 2020 Q4 | 206,047 | $531,000 | +$102,000 | $2.58 | 4 |
| 2020 Q3 | 177,743 | $331,000 | +$280,433 | $1.86 | 7 |
| 2020 Q2 | 27,290 | $46,000 | -$31,000 | $1.69 | 1 |
| 2020 Q1 | 116,688 | $77,000 | -$2,000 | $0.63 | 2 |
| 2019 Q4 | 118,026 | $181,000 | +$12,000 | $1.50 | 3 |
| 2019 Q3 | 110,000 | $210,000 | -$65,764 | $1.91 | 1 |
| 2019 Q2 | 136,878 | $335,000 | +$335,000 | $2.45 | 2 |