Stock Ownership/QTRX

QUANTERIX CORP (QTRX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in QTRX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
11
13F filers
Aggregate Value
$26.0M
Across holders
Last Price
$2.80
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity8 increased3 reduced3 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP, Brevan Howard Capital Management LP
Institutional Holders of QTRX
↗
11 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager2.75M$11.9M45.8%0.0%Added+$6.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.34M$5.8M22.3%0.0%Added+$4.1MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund974K$4.2M16.2%0.0%Added$-1.2MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund400K$1.7M6.7%0.0%Added+$365KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund230K$992K3.8%0.0%Added+$776KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund226K$975K3.8%0.0%Added+$572KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund41K$176K0.7%0.0%Reduced$-2.8MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund18K$76K0.3%0.0%Added—Q2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund13K$55K0.2%0.0%Reduced$-130KQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund12K$52K0.2%0.0%Added—Q2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$11.9M· 45.8% of total· 0.0% port· 2.75M sh· +$6.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$5.8M· 22.3% of total· 0.0% port· 1.34M sh· +$4.1M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$4.2M· 16.2% of total· 0.0% port· 974K sh· $-1.2M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$1.7M· 6.7% of total· 0.0% port· 400K sh· +$365K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$992K· 3.8% of total· 0.0% port· 230K sh· +$776K QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$975K· 3.8% of total· 0.0% port· 226K sh· +$572K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$176K· 0.7% of total· 0.0% port· 41K sh· $-2.8M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$76K· 0.3% of total· 0.0% port· 18K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$55K· 0.2% of total· 0.0% port· 13K sh· $-130K QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$52K· 0.2% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$756· 0.0% of total· 0.0% port· 175 sh· $-315 QoQ· Q2 2026
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