TUDOR INVESTMENT CORP ET AL

Position in QTRX — Quanterix Corp

CIK 923093 STAMFORD, CT

Position in QTRX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$1,112,323

+$33,063 QoQ

Shares Held

316,001

+86.2% QoQ

Ownership

0.671%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

10 quarters on record

Voting authority Sole 50% Shared 50% None 0%

Healthcare · as of Mar 31, 2026

TUDOR INVESTMENT CORP ET AL holds $327,149,749 across 40 Medical Devices names. QTRX ranks #30 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PEN	Penumbra Inc	411,118	$134,998,817
2	BSX	Boston Scientific Corp	632,552	$39,692,638
3	ABT	Abbott Laboratories	326,258	$33,496,908
4	MASI	Masimo Corp	143,884	$25,592,647
5	STE	STERIS plc	55,788	$12,336,400
6	ESTA	Establishment Labs Holdings Inc.	171,430	$9,733,795
7	INSP	Inspire Medical Systems, Inc.	167,218	$8,625,104
8	IRMD	Iradimed Corp	71,836	$6,914,933

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,112,323	316,001	+86.2%	Shares	Defined	2026-05-15
2025-12-31	$1,079,260	169,695	+663.9%	Shares	Defined	2026-02-17
2023-09-30	$602,887	22,214	-44.7%	Shares	Defined	2023-11-15
2023-06-30	$906,577	40,203	-56.5%	Shares	Defined	2023-08-14
2023-03-31	$1,041,438	92,408	+16.1%	Shares	Defined	2023-05-15
2022-12-31	$1,102,640	79,613	-13.7%	Shares	Defined	2023-02-14
2022-09-30	$1,016,903	92,278	+145.5%	Shares	Defined	2022-11-14
2022-06-30	$608,598	37,591	+220.4%	Shares	Defined	2022-08-15
2022-03-31	$342,457	11,732	-59.8%	Shares	Defined	2022-05-16
2021-03-31	$1,705,102	29,162	—	Shares	Defined	2021-05-17
No filing history on record for this holder in this stock.