13F

Stock

Precision Optics Corp Inc Ma

Ticker not mapped · held by 26 managers

Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025

Reported value

$17M

Holders

26

+9 new · −4 exited

Holders’ est. mark

$302.2K

Price effect on 15 books still in the name

Largest holder

$7.33M

NEEDHAM INVESTMENT MANAGEMENT LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Q3 2025Q4 2025Q1 2026

Who holds it

Notable only
InvestorSharesValueEst. markChange
NEEDHAM INVESTMENT MANAGEMENT LLC1.67M$7.33M$147.6KAdded$4.32M
MYDA Advisors LLC400K$1.76M—New
Nantahala Capital Management, LLC280K$1.23M—New
Bleichroeder LP270.9K$1.19M$45.1KAdded$267.7K
WealthTrust Axiom LLC254.1K$1.12M$47.5KAdded$145.4K
VANGUARD CAPITAL MANAGEMENT LLC194.1K$852.2K—Held
Archon Capital Management LLC156.8K$688.4K—New
MORGAN STANLEY143.8K$631.3K$18.9KAdded$246.3K
Stonepine Capital Management, LLC100K$439K—New
HighTower Advisors, LLC96.6K$423.9K$19.8KAdded$19.8K
GEODE CAPITAL MANAGEMENT, LLC66K$289.7K$12KAdded$45.1K
BOOTHBAY FUND MANAGEMENT, LLC50K$219.5K—New
Mesirow Financial Investment Management, Inc.46.7K$205.1K—New
Manatuck Hill Partners, LLC37.5K$164.6K—New
VANGUARD FIDUCIARY TRUST CO29.3K$128.8K—Held
NORTHERN TRUST CORP23.4K$102.8K$3.4KAdded$33.3K
Citadel23.2K$102K$4.52KAdded$9.67K
BlackRock, Inc.16.1K$70.7K$3.03KAdded$8.74K
XTX Topco Ltd10.1K$44.2K—New
UBS Group AG715$3.14K$147Added$143
Tower Research Capital LLC (TRC)657$2.88K$134Cut−$619
Front Row Advisors LLC26$114$5Added$5
Banque Transatlantique SA10$44$2Added$2
Federation des caisses Desjardins du Quebec5$22$1Added$1
Financial Perspectives, Inc2$9$1Added$1
Caitong International Asset Management Co., Ltd1$4—New

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.