BLIN · Bridgeline Digital, Inc.

$0.93 -0.02 (-2.60%) At close · Sep 4

Market Cap

$11.66M

12.60M

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.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 15

Total Value: $1,867,941

Total Shares: 1,610,301

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 15 13F filers · Δ vs Mar 31, 2026

Top Holder

64.0%

+1.3 pts

Top 5

91.0%

+2.7 pts

Top 10

98.3%

+0.8 pts

HHI

4,306

Highly concentrated+169

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -2

Institutional value: +35.9%

Shares held: -6.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds	Open
Mega LPL Financial LLC	+3,000	22,010
Mega UBS Group AG	+2,018	2,020

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small BARD ASSOCIATES INC	−47,503	1,030,267
Mega GEODE CAPITAL MANAGEMENT, LLC	−2,527	124,054
Mid XTX Topco Ltd	−2,051	21,774
Large RENAISSANCE TECHNOLOGIES LLC	−2,000	156,729
Mid Tower Research Capital LLC (TRC)	−1,094	3,422

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)	Open
Mega BARCLAYS PLC	48	$55

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega CITADEL ADVISORS LLC	56,085	$44,868
Mega CITIGROUP INC	646	$516
Large TD Waterhouse Canada Inc.	200	$160

Filter: New 1 Increased 2 Reduced 7 Sold out 3 Unchanged 5

Showing 15 of 15

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BARD ASSOCIATES INC

$1,195,109

63.98%

1,030,267

RENAISSANCE TECHNOLOGIES LLC

$181,805

9.73%

156,729

GEODE CAPITAL MANAGEMENT, LLC

$143,902

7.70%

124,054

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	20,770	$24,093	16.7%	Defined
Held directly	103,284	$119,809	83.3%	Defined

Lido Advisors, LLC

$91,608

4.90%

78,973

VANGUARD CAPITAL MANAGEMENT LLC

$88,287

4.73%

76,110

VANGUARD FIDUCIARY TRUST CO

$40,228

2.15%

34,680

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$25,926

1.39%

22,350

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	22,350	$25,926	100.0%	Other

LPL Financial LLC

$25,531

1.37%

22,010

XTX Topco Ltd

$25,257

1.35%

21,774

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	21,774	$25,257	100.0%	Defined

STATE STREET CORP

$18,792

1.01%

16,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	16,200	$18,792	100.0%	Defined

NORTHERN TRUST CORP

$13,399

0.72%

11,551

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	11,551	$13,399	100.0%	Defined

Schonfeld Strategic Advisors LLC

$11,731

0.63%

10,113

Tower Research Capital LLC (TRC)

$3,969

0.21%

3,422

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,422	$3,969	100.0%	Defined

UBS Group AG

$2,342

0.13%

2,020

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	2	$2	0.1%	Defined
UBS Securities LLC	2,018	$2,340	99.9%	Defined

BARCLAYS PLC

$55

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	48	$55	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	56,085	$44,868	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	646	$516	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	200	$160	100.0%	Defined

Key facts CIK 1378590 CUSIP 10807Q700 13F (30d) 12 filings 12 filers Visit website Investor relations