BLIN
Bridgeline Digital, Inc.
$1.29
-0.07 (-5.15%)
At close · Jul 7
Market Cap
$16.25M
Shares
12,599,879
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 17
Total Value: $1,374,517
Total Shares: 1,718,153
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 17 13F filers · Δ vs Dec 31, 2025Top Holder
62.7%
+1.4 pts
Top 5
88.4%
+0.5 pts
Top 10
97.5%
−0.2 pts
HHI
4,137
Highly concentrated+174
Quarterly Activity
vs Dec 31, 2025
New
4
Increased
3
Decreased
8
Sold Out
6
Unchanged
2
Holder count:
-2
Institutional value:
-12.4%
Shares held:
-9.1%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large Lido Advisors, LLC | +21,353 | 78,973 | |
| Large RENAISSANCE TECHNOLOGIES LLC | +12,600 | 158,729 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +539 | 126,581 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small BARD ASSOCIATES INC | −81,558 | 1,077,770 | |
| Mega CITADEL ADVISORS LLC | −61,753 | 56,085 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | −8,067 | 23,049 | |
| Mega CITIGROUP INC | −2,988 | 646 | |
| Mid XTX Topco Ltd | −2,551 | 23,825 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 76,110 | $60,888 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 34,680 | $27,744 | |
| Mega LPL Financial LLC | 19,010 | $15,208 | |
| Large TD Waterhouse Canada Inc. | 200 | $160 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 110,790 | $91,955 | |
| Mid DRW Securities, LLC | 54,438 | $45,183 | |
| Mid Virtu Financial LLC | 12,278 | $10,190 | |
| Large CIBC Private Wealth Group LLC | 2,000 | $1,660 | |
| Mega BANK OF AMERICA CORP /DE/ | 85 | $69 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small BARD ASSOCIATES INC | $862,216 | 62.73% | 1,077,770 | Shares | Sole | 2026-05-08 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $126,983 | 9.24% | 158,729 | Shares | Sole | 2026-05-14 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $101,264 | 7.37% | 126,581 | Shares | Defined | 2026-05-15 | ||||
| Large Lido Advisors, LLC | $63,178 | 4.60% | 78,973 | Shares | Sole | 2026-05-13 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $60,888 | 4.43% | 76,110 | Shares | Defined | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $44,868 | 3.26% | 56,085 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $27,744 | 2.02% | 34,680 | Shares | Defined | 2026-05-08 | ||||
| Mid XTX Topco Ltd | $19,060 | 1.39% | 23,825 | Shares | Defined | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $18,439 | 1.34% | 23,049 | Shares | Other | 2026-05-15 | ||||
| Mega LPL Financial LLC | $15,208 | 1.11% | 19,010 | Shares | Sole | 2026-05-06 | ||||
| Mega STATE STREET CORP | $12,960 | 0.94% | 16,200 | Shares | Defined | 2026-05-15 | ||||
| Mega NORTHERN TRUST CORP Bank | $9,240 | 0.67% | 11,551 | Shares | Defined | 2026-05-14 | ||||
| Large Schonfeld Strategic Advisors LLC | $8,180 | 0.60% | 10,226 | Shares | Sole | 2026-05-15 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,612 | 0.26% | 4,516 | Shares | Defined | 2026-05-15 | ||||
| Mega CITIGROUP INC | $516 | 0.04% | 646 | Shares | Defined | 2026-05-11 | ||||
| Large TD Waterhouse Canada Inc. | $160 | 0.01% | 200 | Shares | Defined | 2026-05-12 | ||||
| Mega UBS Group AG | $1 | 0.00% | 2 | Shares | Defined | 2026-05-05 | ||||
| No holders match your search. | ||||||||||