13F

Stock

Bridgeline Digital, Inc.

BLIN · held by 17 managers

Reported value

$1.37M

Holders

17

+2 new · −3 exited

Holders’ est. mark

−$51.6K

Price effect on 13 books still in the name

Largest holder

$859K

BARD ASSOCIATES INC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BARD ASSOCIATES INC1.08M$859K−$35.8KCut−$103.5K
Renaissance Technologies158.7K$126.5K−$4.85KAdded$5.19K
GEODE CAPITAL MANAGEMENT, LLC126.6K$100.9K−$4.18KCut−$3.75K
Lido Advisors, LLC79K$62.9K−$1.91KAdded$15.1K
VANGUARD CAPITAL MANAGEMENT LLC76.1K$60.7KHeld
Citadel56.1K$44.7K−$1.86KCut−$53.1K
VANGUARD FIDUCIARY TRUST CO34.7K$27.6KHeld
XTX Topco Ltd23.8K$19K−$790Cut−$2.91K
SUSQUEHANNA INTERNATIONAL GROUP, LLP23K$18.4K−$766Cut−$7.46K
LPL Financial LLC19K$15.2KNew
State Street16.2K$12.9K−$538Cut−$538
NORTHERN TRUST CORP11.6K$9.21K−$384Cut−$384
Schonfeld Strategic Advisors LLC10.2K$8.15K−$340Cut−$430
Tower Research Capital LLC (TRC)4.52K$3.6K−$150Cut−$312
CITIGROUP INC646$515−$21Cut−$2.5K
TD Waterhouse Canada Inc.200$179New
UBS Group AG2$2$1Cut−$1

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.