13F

Stock

Precision Optics Corp Inc Ma

Ticker not mapped · held by 20 managers

Reported value

$7.25M

Holders

20

+0 new · −0 exited

Holders’ est. mark

−$12.9K

Price effect on 2 books still in the name

Largest holder

$3.01M

NEEDHAM INVESTMENT MANAGEMENT LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
NEEDHAM INVESTMENT MANAGEMENT LLC720K$3.01MHeld
WealthTrust Axiom LLC231.8K$970.1KHeld
Vanguard223.5K$935.2KHeld
Bleichroeder LP220.2K$921.7KHeld
HighTower Advisors, LLC96.6K$404.1KHeld
MORGAN STANLEY92K$385K−$12.9KAdded$45.7K
GEODE CAPITAL MANAGEMENT, LLC58.4K$244.6KHeld
DRW Securities, LLC22.5K$94.3KHeld
Citadel22.1K$92.3KHeld
NORTHERN TRUST CORP16.6K$69.5KHeld
BlackRock, Inc.14.8K$62KHeld
JANE STREET GROUP, LLC11.6K$48.5KHeld
Tower Research Capital LLC (TRC)837$3.5KHeld
UBS Group AG716$3KHeld
Front Row Advisors LLC26$109Held
Banque Transatlantique SA10$42Held
Federation des caisses Desjardins du Quebec5$21Held
BANK OF AMERICA CORP /DE/5$21−$1Cut−$1
Financial Perspectives, Inc2$8Held
ROYAL BANK OF CANADA11$0Held

Positions as of Q4 2025. 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.