How many institutions held QTRX - Quanterix Corp - Common Stock, $0.001 par value per share in Q4 2024?

149 institutional investors reported QTRX - Quanterix Corp - Common Stock, $0.001 par value per share for Q4 2024. 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

Q4 2024 13F Holders as of 31 Dec 2024

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 34,986,611
Total 13F value: $371,914,799
Share change: +1,649,200
Put/Call ratio: 34%
SEC-reported price per share: $10.63
Number of holders: 149
Value change: +$16,121,868
Number of buys: 75
Number of sells: 66
Shares outstanding: 47,246,468

Security key

74766Q101

Report period

Q4 2024

Institutions

149

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

ALLIANCEBERNSTEIN L.P.

Disclosed value leader

ALLIANCEBERNSTEIN L.P.

Comparable rows

0/15

Latest evidence

30 Sep 2024

13F 3/4/5 Highest disclosed value: $42,322,215 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

ALLIANCEBERNSTEIN L.P. has the largest disclosed position value at $42.32M.

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 ALLIANCEBERNSTEIN L.P.'s linked filing trail.

Disclosed position value Top 5

ALLIANCEBERNSTEIN L.P. $42.32M

BlackRock, Inc. $41.61M

Portolan Capital Management, LLC $32.67M

VANGUARD GROUP INC $28.48M

MILLENNIUM MANAGEMENT LLC $26.73M

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
ALLIANCEBERNSTEIN L.P.	13F Company 13F	— denominator unverified	$42,322,215 3,265,603 shares	—	30 Sep 2024
BlackRock, Inc.	13F Company 13F	— denominator unverified	$41,613,471 3,210,916 shares	—	30 Sep 2024
Portolan Capital Management, LLC	13F Company 13F	— denominator unverified	$32,668,091 2,520,686 shares	—	30 Sep 2024
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$28,483,994 2,197,839 shares	—	30 Sep 2024
MILLENNIUM MANAGEMENT LLC	13F Company 13F	— denominator unverified	$26,725,231 2,062,132 shares	—	30 Sep 2024
E. Kevin Hrusovsky	3/4/5 Executive Chairman, Director 3/4/5	— denominator unverified	$24,494,801 910,249 shares	—	05 Jul 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 Q4 2024

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

Institutions

149

34,986,611

Rows available

149

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 Q4 2024 vs Q3 2024 Across Filers

Q3 2024 holders

148

Q4 2024 holders

149

Holder diff

Investor	Q3 2024 Shares	Q4 2024 Shares	Share Diff	Share Chg %	Q3 2024 value	Q4 2024 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend