Bridgeline Digital, Inc.
BLIN- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001378590
No open-market purchases or sales by Bridgeline Digital, Inc. insiders were filed in the last 90 days; 15 institutions reported holding it in 13F filings for Q2 2026, worth $1.87M in total; no superinvestor holds it.
Holders of 5% or more of BLIN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Bridgeline Digital, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Kahn Roger E. | 13D/A | 19.60%2.65M shares | +2.90 ppfrom 16.70% | Aug 28, 20252 filings | Feb 3, 2026 | SEC |
| Bard Associates Inc | 13G/A | 9.70%1.09M shares | −1.50 ppfrom 11.20% | Apr 4, 20253 filings | Feb 13, 2026 | SEC |
| Jacobsen Per A. | 13G/A | 9.60%1.00M shares | – | Dec 23, 20241 filing | Dec 23, 2024 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on Bridgeline Digital, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 13, 20266:26 PM ET | Bard Associates Inc | 13G/A | 9.70%1.09M shares | −1.50 ppfrom 11.20% | Dec 26, 2025 | SEC |
| Feb 3, 20264:01 PM ET | Kahn Roger E. | 13D/A | 19.60%2.65M shares | +2.90 ppfrom 16.70% | Jan 30, 2026 | SEC |
| Aug 28, 20256:30 PM ET | Kahn Roger E. | 13D/A | 16.70%2.17M shares | – | Aug 26, 2025 | SEC |
| May 12, 20258:17 PM ET | Bard Associates Inc | 13G/A | 11.20%1.33M shares | +0.10 ppfrom 11.10% | Apr 7, 2025 | SEC |
| Apr 4, 202510:59 AM ET | Bard Associates Inc | 13G | 11.10%1.32M shares | New | Mar 25, 2025 | SEC |
| Dec 23, 20243:16 PM ET | Jacobsen Per A. | 13G/A | 9.60%1.00M shares | – | Dec 23, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Bridgeline Digital, Inc. shares.
No Form 144 notices for Bridgeline Digital, Inc. are on file.