Filer Snapshot

Quanterix Corp

CIK 0001503274. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

1,035

Latest filing

24 Apr 2026

Industry

n/a

Filing-backed research brief

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Latest signal: SEC filing timeline only. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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No recent parsed 13D/G stake row for this CIK.

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Source: SEC filing ARS

ARS filed on 24 Apr 2026 for CIK 0001503274.

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Listed symbols
QTRX on Nasdaq
At a glance Names, identifiers, and filing context for this profile. 1 identity field
Business address
900 Middlesex Turnpike, Billerica, MA, 01821
EDGAR profile Static EDGAR fields kept behind disclosure so the main profile stays readable. 2 profile fields available
Incorporated in
DE
Fiscal year end
31 December

Filer intelligence

What SEC filings say about Quanterix Corp

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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SEC source mix

Counts show available parsed rows, not one combined ownership total.

No XML rows yet
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

No parsed ownership summary yet

We still show the SEC filing timeline below. The intelligence summary will populate when parsed 13F, 13D/G, or Forms 3/4/5 data exists for this CIK.

SEC filing record

CIK 0001503274 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
1,035
First seen
12 Oct 2010
Latest filing
24 Apr 2026
Entity
Company

Observed form types

ARS DEF 14A 4 SCHEDULE 13G/A 3 S-8 10-K 8-K SCHEDULE 13G 10-Q +37 more

CIK-linked evidence first

Quanterix Corp SEC filings 74766Q101 holder history Open SEC filing index

Latest Filings

Showing the latest 12 of 1,000 SEC filings for Quanterix Corp.

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ARS File 001-38319

ARS

Filing date
24 Apr 2026
Reporting date
31 Dec 2025
SEC evidence
Open document Open filing
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DEF 14A File 001-38319

DEF 14A

Filing date
24 Apr 2026
Reporting date
09 Jun 2026
Next action
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4

PRIMARY DOCUMENT

Filing date
17 Apr 2026
Reporting date
15 Apr 2026
SEC evidence
Open document Open filing
Next action
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4

PRIMARY DOCUMENT

Filing date
17 Apr 2026
Reporting date
15 Apr 2026
SEC evidence
Open document Open filing
Next action
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4

PRIMARY DOCUMENT

Filing date
07 Apr 2026
Reporting date
01 Apr 2026
SEC evidence
Open document Open filing
Next action
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4

PRIMARY DOCUMENT

Filing date
07 Apr 2026
Reporting date
01 Apr 2026
SEC evidence
Open document Open filing
Next action
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4

PRIMARY DOCUMENT

Filing date
02 Apr 2026
Reporting date
31 Mar 2026
SEC evidence
Open document Open filing
Next action
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SCHEDULE 13G/A File 005-90285

SCHEDULE 13G/A filing

Filing date
27 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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3

PRIMARY DOCUMENT

Filing date
24 Mar 2026
Reporting date
23 Feb 2026
SEC evidence
Open document Open filing
Next action
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4

PRIMARY DOCUMENT

Filing date
17 Mar 2026
Reporting date
15 Mar 2026
SEC evidence
Open document Open filing
Next action
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3

PRIMARY DOCUMENT

Filing date
17 Mar 2026
Reporting date
23 Feb 2026
SEC evidence
Open document Open filing
Next action
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4

PRIMARY DOCUMENT

Filing date
16 Mar 2026
Reporting date
15 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
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