Simplex Trading
QTRX icon

Simplex Trading’s Quanterix QTRX Stock Holding History

Simplex Trading’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 		$17.7K Sell
4,100
-1,800
-31% -$5.84K ﹤0.01% 7216
2026
Q1 		$20.8K Sell
5,900
-2,200
-27% -$12.8K ﹤0.01% 6743
2025
Q4 		$51.5K Buy
8,100
+7,800
+2,600% +$48.5K ﹤0.01% 5628
2025
Q3 		$1K Buy
+300
New +$1.6K ﹤0.01% 8861
2025
Q2 		– Sell
-900
Closed -$5K – 9543
2025
Q1 		$5K Sell
900
-2,700
-75% -$22.5K ﹤0.01% 7587
2024
Q4 		$38K Sell
3,600
-2,500
-41% -$30.4K ﹤0.01% 6158
2024
Q3 		$79K Buy
6,100
+3,700
+154% +$49.4K ﹤0.01% 5457
2024
Q2 		$31K Sell
2,400
-4,900
-67% -$81.9K ﹤0.01% 6542
2024
Q1 		$171K Buy
7,300
+6,900
+1,725% +$171K ﹤0.01% 5028
2023
Q4 		$10K Sell
400
-1,000
-71% -$23.5K ﹤0.01% 7449
2023
Q3 		$37K Sell
1,400
-2,500
-64% -$61.9K ﹤0.01% 6077
2023
Q2 		$87K Buy
+3,900
New +$69.5K ﹤0.01% 5255
2023
Q1 		– Sell
-1,900
Closed -$26K – 9924
2022
Q4 		$26K Sell
1,900
-3,700
-66% -$42.6K ﹤0.01% 6617
2022
Q3 		$61K Buy
5,600
+5,500
+5,500% +$69.9K ﹤0.01% 6165
2022
Q2 		$1K Sell
100
-300
-75% -$6.17K ﹤0.01% 9648
2022
Q1 		$11K Sell
400
-7,900
-95% -$241K ﹤0.01% 8806
2021
Q4 		$351K Buy
8,300
+8,200
+8,200% +$383K ﹤0.01% 4330
2021
Q3 		$5K Hold
100
– – ﹤0.01% 9285
2021
Q2 		$5K Buy
100
+98
+4,900% +$5.69K ﹤0.01% 9471
2021
Q1 		$11K Sell
2
-8
-80% -$541 ﹤0.01% 7846
2020
Q4 		$46K Buy
+10
New +$436 ﹤0.01% 6282

Other funds holding QTRX

BlackRock
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
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LCM
Lionhunter Capital Management New York $222M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Simplex Trading's QTRX Position: Q2 2026 in Review

Simplex Trading opened a new position in Quanterix (QTRX) in Q2 2026: 7,127 shares worth $30.8K. The stake represents ﹤0.01% of the portfolio and ranks #6736 among its holdings. This is a return to the name: Simplex Trading previously reported a position in QTRX as recently as Q3 2025.

Simplex Trading first reported a position in QTRX in Q4 2020 and has held it in 12 quarters since. The position peaked at $1.91M in Q4 2022. 133 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Simplex Trading held 7,127 shares of Quanterix worth $30.8K as of Q2 2026.
  • Quanterix was a new Simplex Trading position in Q2 2026.
  • Quanterix made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #6736 holding.
  • Simplex Trading first reported a position in Quanterix in Q4 2020 and has held it in 12 quarters since.
  • Simplex Trading's Quanterix position peaked at $1.91M in Q4 2022.
  • 133 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.