13F

Stock

Bluejay Diagnostics, Inc.

BJDX · held by 6 managers

Reported value

$108.2K

Holders

6

+6 new · −1 exited

Holders’ est. mark

$14.2K

Price effect on 3 books still in the name

Largest holder

$52.9K

SABBY MANAGEMENT, LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
SABBY MANAGEMENT, LLC28.7K$52.9KNew
GEODE CAPITAL MANAGEMENT, LLC28.1K$51.8K$12KAdded$44.9K
Tower Research Capital LLC (TRC)1.73K$3.18K$2.03KAdded$223
UBS Group AG124$228New
L1 Global Manager Pty Ltd120$220$164Cut−$6
Caitong International Asset Management Co., Ltd3$6New

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.