Bridgeline Digital, Inc. (BLIN) Ownership

NASDAQ: BLINTop holders, insider trades and short interest.

BLIN ownership summary

as of October 17, 2026
Institutions
12.9%
of shares outstanding
Insiders
27.37%
of shares outstanding
Shares outstanding
12.6M
Float
10.2M
shares available to trade
Short interest
0.22%
24K shares short
Days to cover
0.94
short interest down 45.9% vs prior month
  • Institutions 12.86%
  • Insiders 27.37%
  • Other investors 59.77%

BLIN top institutional holders

20 largest
Bridgeline Digital, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Bard Associates Inc8.18%1.0M$738,083−47,503 (−4.4%)June 30, 2026
2Renaissance Technologies Corp1.24%157K$112,281−2,000 (−1.3%)June 30, 2026
3Geode Capital Management, LLC0.98%124K$88,872−2,527 (−2.0%)June 30, 2026
4Lido Advisors, LLC0.63%79K$56,576—June 30, 2026
5Vanguard Capital Management, LLC0.60%76K$54,525—June 30, 2026
6Vanguard Fiduciary Trust Co0.28%35K$24,845—June 30, 2026
7Susquehanna International Group, LLP0.18%22K$16,012−699 (−3.0%)June 30, 2026
8LPL Financial Corp0.17%22K$15,768+3,000 (+15.8%)June 30, 2026
9XTX Topco Ltd0.17%22K$15,599−2,051 (−8.6%)June 30, 2026
10State Street Corp0.13%16K$11,606—June 30, 2026
11Northern Trust Corp0.09%12K$8,275—June 30, 2026
12Schonfeld Strategic Advisors LLC0.08%10K$7,245−113 (−1.1%)June 30, 2026
13Tower Research Capital LLC0.03%3,422$2,452−1,094 (−24.2%)June 30, 2026
14UBS Group AG0.02%2,020$1,447+2,018 (+100,900.0%)June 30, 2026
15Barclays PLC<0.01%48$34+48 (0.0%)June 30, 2026
16DRW Securities, LLC0.00%——−54,438 (−100.0%)March 31, 2026
17TD Waterhouse Canada Inc0.00%——−200 (−100.0%)June 30, 2026
18Citigroup Inc0.00%——−646 (−100.0%)June 30, 2026
19Citadel Advisors Llc0.00%——−56,085 (−100.0%)June 30, 2026
20Virtu Financial LLC0.00%——−12,278 (−100.0%)March 31, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 3 holders added 5,066 shares and 12 cut 180K.

BLIN top mutual fund and ETF holders

4 largest
Bridgeline Digital, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Extended Market Index0.41%51K$36,869−277 (−0.5%)August 31, 2026
2Fidelity Total Market Index0.17%21K$15,229—August 31, 2026
3Fidelity Nasdaq Composite Index0.13%16K$11,530—August 31, 2026
4Fidelity Series Total Market Index0.11%14K$10,015—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

BLIN insider transactions

latest 3
Bridgeline Digital, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-03Michael KetslakhBuy$0.854,472$3,801
2026-03-02Michael KetslakhBuy$0.852,487$2,114
2026-02-19Michael KetslakhBuy$0.851,353$1,150

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

BLIN shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns BLIN

Institutional investors own 12.9% of Bridgeline Digital's shares and insiders 27.37%. The largest holder is Bard Associates Inc with 8.18% of the shares (1.0M), as of June 30, 2026. Among the top 20 institutions, 3 added shares and 12 reduced their stake in the latest filings. Short interest is 0.22% of the float, or 0.94 days of average trading volume. The share count rose 69,151.1% since 2014.

Related: BLIN analyst forecast, BLIN key metrics. See the BLIN stock overview for the latest quote and news.

BLIN ownership FAQ

Who owns the most Bridgeline Digital stock?

The largest shareholders of Bridgeline Digital are Bard Associates Inc (8.18%), Renaissance Technologies Corp (1.24%), Geode Capital Management, LLC (0.98%), Lido Advisors, LLC (0.63%), Vanguard Capital Management, LLC (0.60%).

What percentage of Bridgeline Digital is owned by institutions?

Institutions hold 12.9% of Bridgeline Digital's shares outstanding; insiders hold 27.37%.

Which funds own Bridgeline Digital?

The largest fund holders of Bridgeline Digital are Fidelity Extended Market Index (0.41%), Fidelity Total Market Index (0.17%), Fidelity Nasdaq Composite Index (0.13%), Fidelity Series Total Market Index (0.11%).

What is Bridgeline Digital's short interest?

24K shares of Bridgeline Digital were sold short, 0.22% of the float; at the average daily volume it would take 0.94 days to cover.

Are insiders buying or selling Bridgeline Digital?

Of the latest 3 reported insider transactions in Bridgeline Digital (since February 19, 2026), 3 were purchases and 0 were sales.

How many shares of Bridgeline Digital are outstanding?

Bridgeline Digital has 12.6M shares outstanding, of which 10.2M are in the public float.

Software - Infrastructure: ownership