BLIN
Bridgeline Digital, Inc.Company with tickers: BLIN
CIK
1378590
CUSIP
10807Q700
Shares Outstanding
12,599,879
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 15
Total Value: $1,285,885
Total Shares: 1,607,363
Institutional Ownership Trend
Holder Concentration
Across 15 13F filers · Δ vs Dec 31, 2025Top Holder
67.1%
+4.6 pts
Top 5
93.2%
+5.6 pts
Top 10
99.0%
+1.4 pts
HHI
4,700
Highly concentrated
+607
Quarterly Activity
vs Dec 31, 2025
New
15
Increased
0
Decreased
0
Sold Out
19
Unchanged
0
Holder count:
-4
Institutional value:
-16.5%
Shares held:
-13.4%
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Small BARD ASSOCIATES INC | 1,077,770 | $862,216 |
| Large RENAISSANCE TECHNOLOGIES LLC | 158,729 | $126,983 |
| Mega GEODE CAPITAL MANAGEMENT, LLC | 126,581 | $101,264 |
| Large Lido Advisors, LLC | 78,973 | $63,178 |
| Mega CITADEL ADVISORS LLC | 56,085 | $44,868 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Small BARD ASSOCIATES INC | 1,159,328 | $962,242 |
| Large RENAISSANCE TECHNOLOGIES LLC | 146,129 | $121,287 |
| Mega GEODE CAPITAL MANAGEMENT, LLC | 126,042 | $104,614 |
| Mega CITADEL ADVISORS LLC | 117,838 | $97,805 |
| Mega VANGUARD GROUP INC | 76,110 | $63,171 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |
|---|---|---|---|---|---|---|---|---|
| Small BARD ASSOCIATES INC | $862,216 | 67.05% | 1,077,770 | Shares | Sole | 2026-05-08 | View | |
| Large RENAISSANCE TECHNOLOGIES LLC | $126,983 | 9.88% | 158,729 | Shares | Sole | 2026-05-14 | View | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $101,264 | 7.88% | 126,581 | Shares | Defined | 2026-05-15 | View | |
| Large Lido Advisors, LLC | $63,178 | 4.91% | 78,973 | Shares | Sole | 2026-05-13 | View | |
| Mega CITADEL ADVISORS LLC | $44,868 | 3.49% | 56,085 | Shares | Defined | 2026-05-15 | View | |
| Mid XTX Topco Ltd | $19,060 | 1.48% | 23,825 | Shares | Defined | 2026-05-15 | View | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $18,439 | 1.43% | 23,049 | Shares | Other | 2026-05-15 | View | |
| Mega LPL Financial LLC | $15,208 | 1.18% | 19,010 | Shares | Sole | 2026-05-06 | View | |
| Mega STATE STREET CORP | $12,960 | 1.01% | 16,200 | Shares | Defined | 2026-05-15 | View | |
| Mid NORTHERN TRUST CORP | $9,240 | 0.72% | 11,551 | Shares | Defined | 2026-05-14 | View | |
| Large Schonfeld Strategic Advisors LLC | $8,180 | 0.64% | 10,226 | Shares | Sole | 2026-05-15 | View | |
| Mid Tower Research Capital LLC (TRC) | $3,612 | 0.28% | 4,516 | Shares | Defined | 2026-05-15 | View | |
| Mega CITIGROUP INC | $516 | 0.04% | 646 | Shares | Defined | 2026-05-11 | View | |
| Large TD Waterhouse Canada Inc. | $160 | 0.01% | 200 | Shares | Defined | 2026-05-12 | View | |
| Mega UBS Group AG | $1 | 0.00% | 2 | Shares | Defined | 2026-05-05 | View | |
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