13F

Stock

Q/C Technologies, Inc.

QCLS · held by 18 managers

Reported value

$2.08M

Holders

18

+5 new · −7 exited

Holders’ est. mark

−$171.8K

Price effect on 11 books still in the name

Largest holder

$729.3K

Quinn Opportunity Partners LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Quinn Opportunity Partners LLC211.4K$729.3K−$114.1KCut−$114.2K
JANE STREET GROUP, LLC126.2K$435.3K−$21.9KAdded$273.8K
UBS Group AG78K$269.1K−$9.41KAdded$199.5K
ADAR1 Capital Management, LLC50K$172.5KNew
GEODE CAPITAL MANAGEMENT, LLC47.4K$163.5K−$15.8KAdded$46.8K
VANGUARD CAPITAL MANAGEMENT LLC37.5K$129.4KHeld
DIMENSIONAL FUND ADVISORS LP19.1K$65.8K−$10.3KCut−$10.3K
VANGUARD FIDUCIARY TRUST CO15.6K$53.7KHeld
State Street12.9K$44.5KNew
Sunbelt Securities, Inc.1.75K$6.04KNew
Tower Research Capital LLC (TRC)1.59K$5.5K−$127Added$4.56K
BNP PARIBAS FINANCIAL MARKETS300$1.03K−$162Cut−$3.75K
HRT FINANCIAL LP22.4K$77New
BlackRock, Inc.19$66−$10Cut−$10
PIN OAK INVESTMENT ADVISORS INC3.5K$12New
JONES FINANCIAL COMPANIES LLLP2$7−$1Cut−$1
Wilmington Savings Fund Society, FSB1$3−$1Cut−$1
ROYAL BANK OF CANADA6$0$0Held

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.