Latest Period
Q1 2026
CUSIP: 10807Q700
Latest Period
Q1 2026
Institutions Reporting
17
Shares (Excl. Options)
1,718,153
Price
$0.80
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Latest holder context comes from 17 institutions filings for Q1 2026.
Security key
10807Q700
Latest holder period
Q1 2026
13F holders
17
13D/G owners
3
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 10807Q700:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| 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 Mar 2026, 17 institutional investors reported holding 1,718,153 shares of Bridgeline Digital, Inc. - Common Stock (BLIN). This represents 15% of the company’s total 11,248,309 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BARD ASSOCIATES INC | 9.6% | 1,077,770 | -7% | 0.22% | $858,983 |
| RENAISSANCE TECHNOLOGIES LLC | 1.4% | 158,729 | +8.6% | 0% | $126,507 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 126,581 | +0.43% | 0% | $100,920 |
| Lido Advisors, LLC | 0.7% | 78,973 | +37% | 0% | $62,941 |
| VANGUARD CAPITAL MANAGEMENT LLC | 0.68% | 76,110 | 0% | 0% | $60,660 |
| CITADEL ADVISORS LLC | 0.5% | 56,085 | -52% | 0% | $44,700 |
| VANGUARD FIDUCIARY TRUST CO | 0.31% | 34,680 | 0% | 0% | $27,640 |
| XTX Topco Ltd | 0.21% | 23,825 | -9.7% | 0% | $18,989 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.2% | 23,049 | -26% | 0% | $18,370 |
| LPL Financial LLC | 0.17% | 19,010 | 0% | $15,151 | |
| STATE STREET CORP | 0.14% | 16,200 | 0% | 0% | $12,911 |
| NORTHERN TRUST CORP | 0.1% | 11,551 | 0% | 0% | $9,206 |
| Schonfeld Strategic Advisors LLC | 0.09% | 10,226 | -1.1% | 0% | $8,150 |
| Tower Research Capital LLC (TRC) | 0.04% | 4,516 | -4.1% | 0% | $3,599 |
| CITIGROUP INC | 0.01% | 646 | -82% | 0% | $515 |
| TD Waterhouse Canada Inc. | 0% | 200 | 0% | $179 | |
| UBS Group AG | 0% | 2 | -50% | 0% | $2 |
| DRW Securities, LLC | 0% | 0 | -100% | $0 | |
| BANK OF AMERICA CORP /DE/ | 0% | 0 | -100% | $0 | |
| Virtu Financial LLC | 0% | 0 | -100% | $0 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 1,718,153 | $1,369,423 | -$137,752 | $0.80 | 17 |
| 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 |