How many institutions held QTRX - Quanterix Corp - Common Stock, $0.001 par value per share in Q3 2022?

137 institutional investors reported QTRX - Quanterix Corp - Common Stock, $0.001 par value per share for Q3 2022. Use the holders table for investor-level position and value details.

Quanterix Corp - Common Stock, $0.001 par value per share (QTRX)

Q: What does CUSIP 74766Q101 represent in this 13F holders report?

CUSIP 74766Q101 is the security identifier for QTRX - Quanterix Corp - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

CUSIP: 74766Q101

Q3 2022 13F Holders as of 30 Sep 2022

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 29,860,035
Total 13F value: $329,002,411
Share change: -2,353,273
Put/Call ratio: 30%
SEC-reported price per share: $11.02
Number of holders: 137
Value change: -$53,914,115
Number of buys: 81
Number of sells: 57
Shares outstanding: 47,246,468

Security key

74766Q101

Report period

Q3 2022

Institutions

137

Top holders

QTRX full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Quanterix Corp SEC filings Quanterix Corp company facts Quanterix Corp 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 74766Q101

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of QTRX - Quanterix Corp - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock Finance, Inc.

Disclosed value leader

BlackRock Finance, Inc.

Comparable rows

0/15

Latest evidence

05 Jul 2022

13F 3/4/5 Highest disclosed value: $42,816,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. has the largest disclosed position value at $42.82M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.

Disclosed position value Top 5

BlackRock Finance, Inc. $42.82M

FMR LLC $42.19M

MACQUARIE GROUP LTD $36.68M

RTW INVESTMENTS, LP $29.45M

VANGUARD GROUP INC $28.6M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$42,816,000 2,644,575 shares	—	30 Jun 2022
FMR LLC	13F Company 13F	— denominator unverified	$42,190,000 2,605,947 shares	—	30 Jun 2022
MACQUARIE GROUP LTD	13F Company 13F	— denominator unverified	$36,682,000 2,265,701 shares	—	30 Jun 2022
RTW INVESTMENTS, LP	13F Company 13F	— denominator unverified	$29,452,000 1,819,120 shares	—	30 Jun 2022
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$28,595,000 1,766,186 shares	—	30 Jun 2022
GILDER GAGNON HOWE & CO LLC	13F Company 13F	— denominator unverified	$26,000,000 1,605,927 shares	—	30 Jun 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2022

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

137

29,860,035

Rows available

137

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2022 vs Q2 2022 Across Filers

Q2 2022 holders

126

Q3 2022 holders

137

Holder diff

Investor	Q2 2022 Shares	Q3 2022 Shares	Share Diff	Share Chg %	Q2 2022 value	Q3 2022 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend