IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Quanterix Corp (QTRX)

CUSIP: 74766Q101 | NYSE | Healthcare · Medical Devices | Micro Cap | 521 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/APortolan Capital Management, LLC1,899,3084.0%Newly reportedJun 30, 2026No 13F filer matched
13G/APortolan Capital Management, LLC1,899,308
4.0% of class · Jun 30, 2026Newly reported
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP304,720
0.0% of portfolio›$1.1M
Peddock Capital Advisors, LLC52,105
0.0% of portfolio›$193.3K
HUB Investment Partners, LLC16,326
0.0% of portfolio›$60.6K
Anchyra Partners LLC15,408
0.0% of portfolio›$57.2K
Wealth Enhancement Advisory Services, LLC13,745
0.0% of portfolio›$44.1K
Post Resch Tallon Group Inc.12,500
0.0% of portfolio›$46.4K
Pinnacle Wealth Planning Services, Inc.10,099
0.0% of portfolio›$37.5K
Citigroup Inc4,729
0.0% of portfolio›$17.5K
EverSource Wealth Advisors, LLC901
0.0% of portfolio›$3.3K
Sterling Capital Management LLC842
0.0% of portfolio›$3.1K
Wilmington Savings Fund Society, FSB800
0.0% of portfolio›$3.0K
True Wealth Design, LLC593
0.0% of portfolio›$2.2K
Gamma Investing LLC382
0.0% of portfolio›$1.4K
Nisa Investment Advisors, LLC311
0.0% of portfolio›$1.2K
Essential Partners LLC277
0.0% of portfolio›$1.0K
Physician Wealth Advisors, Inc.198
0.0% of portfolio›$735
Fortitude Family Office, LLC185
0.0% of portfolio›$686
Farther Finance Advisors, LLC116
0.0% of portfolio›$430
Caitong International Asset Management Co., Ltd115
0.0% of portfolio›$427
North Star Investment Management Corp.100
0.0% of portfolio›$371
SBI Securities Co., Ltd.67
0.0% of portfolio›$249
SJS Investment Consulting Inc.49
0.0% of portfolio›$182
Strs Ohio29
0.0% of portfolio›$108
Silver Grove Financial Group, Inc.23
0.0% of portfolio›$85
Root Financial Partners, LLC19
0.0% of portfolio›$70
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
304,720$1.1M0.0%IndexLowAustin, TX2026-11-04
Peddock Capital Advisors, LLC
52,105$193.3K0.0%GrowthLowBraintree, MA2026-10-16
HUB Investment Partners, LLC
16,326$60.6K0.0%GrowthLowAustin, TX2026-11-03
Anchyra Partners LLC
15,408$57.2K0.0%CoreLowAtlanta, GA2026-10-13
Wealth Enhancement Advisory Services, LLC
13,745$44.1K0.0%CoreLowPlymouth, MN2026-10-13
Post Resch Tallon Group Inc.
12,500$46.4K0.0%ETFLowPittsford, NY2026-10-09
Pinnacle Wealth Planning Services, Inc.
10,099$37.5K0.0%GARPLowMansfield, OH2026-10-27
Citigroup Inc
4,729$17.5K0.0%CoreMediumNew York, NY2026-11-04
EverSource Wealth Advisors, LLC
901$3.3K0.0%CoreMediumBirmingham, AL2026-11-04
Sterling Capital Management LLC
842$3.1K0.0%GARPMediumCharlotte, NC2026-10-22
Wilmington Savings Fund Society, FSB
800$3.0K0.0%CoreLowWilmington, DE2026-10-23
True Wealth Design, LLC
593$2.2K0.0%ETFMediumAkron, OH2026-10-13
Gamma Investing LLC
382$1.4K0.0%IndexVery LowFoster City, CA2026-10-08
Nisa Investment Advisors, LLC
311$1.2K0.0%IndexVery LowSt. Louis, MO2026-10-20
Essential Partners LLC
277$1.0K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
Physician Wealth Advisors, Inc.
198$7350.0%ETFMediumMidvale, UT2026-10-20
Fortitude Family Office, LLC
185$6860.0%ETFMediumScottsdale, AZ2026-10-14
Farther Finance Advisors, LLC
116$4300.0%IndexLowSan Francisco, CA2026-10-08
Caitong International Asset Management Co., Ltd
115$4270.0%GrowthVery HighHong Kong, South Korea2026-10-29
North Star Investment Management Corp.
100$3710.0%CoreLowChicago, IL2026-10-27
SBI Securities Co., Ltd.
67$2490.0%Agg GrowthLowTokyo, Mexico2026-10-22
SJS Investment Consulting Inc.
49$1820.0%ETFVery LowSylvania, OH2026-10-26
Strs Ohio
29$1080.0%CoreMediumColumbus, OH2026-10-30
Silver Grove Financial Group, Inc.
23$850.0%CoreMediumOrchard Park, NY2026-11-05
Root Financial Partners, LLC
19$700.0%ETFMediumEncinitas, CA2026-10-21