Quadrature Capital’s Quanterix QTRX Stock Holding History

Quadrature Capital’s Portfolio QTRX Stock Details QTRX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$346K	Buy	+80,200	New	+$260K	﹤0.01%	1146
2026 Q1	–	Sell	-21,707	Closed	-$138K	–	1763
2025 Q4	$138K	Buy	+21,707	New	+$135K	﹤0.01%	1042
2024 Q3	–	Sell	-14,012	Closed	-$185K	–	1302
2024 Q2	$185K	Buy	+14,012	New	+$234K	﹤0.01%	968
2023 Q2	–	Sell	-12,335	Closed	-$139K	–	1185
2023 Q1	$139K	Buy	+12,335	New	+$158K	﹤0.01%	811
2022 Q3	–	Sell	-11,471	Closed	-$186K	–	1044
2022 Q2	$186K	Buy	+11,471	New	+$236K	0.01%	633
2021 Q1	–	Sell	-10,644	Closed	-$496K	–	1105
2020 Q4	$496K	Buy	+10,644	New	+$465K	0.02%	488

Other funds holding QTRX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

BWLSA

Blue Water Life Science Advisors Larkspur, California $159M AUM 139.66% 1-Year Est. Return

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

PCM

Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

LCM

Lionhunter Capital Management New York $222M AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Quadrature Capital's QTRX Position: Q2 2026 in Review

Quadrature Capital opened a new position in Quanterix (QTRX) in Q2 2026: 80,200 shares worth $346K. The stake represents ﹤0.01% of the portfolio and ranks #1146 among its holdings. This is a return to the name: Quadrature Capital previously reported a position in QTRX as recently as Q4 2025.

Quadrature Capital first reported a position in QTRX in Q4 2020 and has held it in 6 quarters since. The position peaked at $496K in Q4 2020. 133 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

Quadrature Capital held 80,200 shares of Quanterix worth $346K as of Q2 2026.
Quanterix was a new Quadrature Capital position in Q2 2026.
Quanterix made up ﹤0.01% of Quadrature Capital's portfolio in Q2 2026, its #1146 holding.
Quadrature Capital first reported a position in Quanterix in Q4 2020 and has held it in 6 quarters since.
Quadrature Capital's Quanterix position peaked at $496K in Q4 2020.
133 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Quadrature Capital's 13F filing for Q2 2026, filed 7 Aug 2026.