Delisting risk
QCLS · NASDAQ · Computer Hardware

Q/C Technologies (QCLS)

Developing silicon-photonic processors for AI inference alongside legacy drug candidates.

$1.95
Pre-market+0.04 (+2.09%)
At close$1.91(−8.61%)

Breakdown13F · 13D/G · Form 4

Institutions17 holders · as of Mar 31, 202635.53%627.6K shares
Insiders7 holders · as of May 14, 202637.58%663.7K shares
Otherremainder26.89%474.9K shares

1.77M company shares as of Aug 22, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

The share count has not been confirmed by a second filing; stakes use it as it stands.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Chelsea Sierra VossInsiderdirector
17.07%301,455Form 4filed May 14, 2026
Joshua SilvermanInsiderdirector, officer: Executive Chairman
14.85%262,191Form 4filed Apr 15, 2026
Quinn Opportunity Partners LLCInstitution
11.97%211,39013Fas of Mar 31, 2026
Jane Street Group, LLCInstitution
7.14%126,18813Fas of Mar 31, 2026
UBS Group AGInstitution
4.42%77,98913Fas of Mar 31, 2026
Adar1 Capital Management, LLCInstitution
2.83%50,00013Fas of Mar 31, 2026
Geode Capital Management, LLCInstitution
2.68%47,39013Fas of Mar 31, 2026
Vanguard Capital Management LLCInstitution
2.12%37,51113Fas of Mar 31, 2026
Billy Joe WhiteInsiderdirector
1.42%25,024Form 4filed Nov 17, 2025
Bruce BernsteinInsiderdirector
1.42%25,023Form 4filed Nov 14, 2025
Stephen FrisciaInsiderdirector
1.42%25,000Form 4filed Nov 14, 2025
HRT Financial LPInstitution
1.27%22,40413Fas of Mar 31, 2026
Dimensional Fund Advisors LPInstitution
1.08%19,05813Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution
0.88%15,55513Fas of Mar 31, 2026
State Street CorpInstitution
0.73%12,90513Fas of Mar 31, 2026
Mitchell GlassInsiderdirector, officer: Director, Chief Medical Off.
0.71%12,500Form 4filed Nov 17, 2025
Gary M. RauchInsiderother: Vice President of Finance
0.71%12,500Form 4filed Nov 14, 2025
Pin Oak Investment Advisors IncInstitution
0.20%3,50013Fas of Mar 31, 2026
Sunbelt Securities, Inc.Institution
0.10%1,75013Fas of Mar 31, 2026
Tower Research Capital LLC (TRC)Institution
0.09%1,59313Fas of Mar 31, 2026
BNP Paribas Arbitrage, SNCInstitution
0.02%30013Fas of Mar 31, 2026
BlackRock, Inc.Institution
0.00%1913Fas of Mar 31, 2026
Jones Financial Companies LLLPInstitution
0.00%213Fas of Mar 31, 2026
BRYN Mawr Trust CoInstitution
0.00%113Fas of Mar 31, 2026

13F — a manager's quarterly holdings · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

17 holders · 627.6K shares · 7 new positions · 11 increased · 1 reduced · 8 closed

HolderShares% outstandingChg q/qFiled
Quinn Opportunity Partners LLC211.4K11.97%0May 15, 2026
Jane Street Group, LLC126.2K7.14%+85.7KMay 12, 2026
UBS Group AG78.0K4.42%+60.6KMay 5, 2026
Adar1 Capital Management, LLC50.0K2.83%+50.0KnewMay 18, 2026
Geode Capital Management, LLC47.4K2.68%+18.1KMay 15, 2026
Vanguard Capital Management LLC37.5K2.12%+37.5KnewMay 15, 2026
HRT Financial LP22.4K1.27%+22.4KnewMay 14, 2026
Dimensional Fund Advisors LP19.1K1.08%0May 7, 2026

Ownership statements13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Mar 30, 2026
Chelsea Sierra Vossdirector
Purchase1,753$3.1561,555
Sep 4, 2025
PharmaCyte Biotech, Inc.10 percent owner
Purchase889,865889,865
Nov 14, 2025
PharmaCyte Biotech, Inc.10 percent owner
Purchase889,865889,865

CongressHouse and Senate disclosures

Not reported.