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Steve Schonfeld’s Quanterix QTRX Stock Holding History

Steve Schonfeld’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 		$54.7K Sell
12,663
-30,123
-70% -$97.7K ﹤0.01% 2371
2026
Q1 		$151K Sell
42,786
-18,936
-31% -$111K ﹤0.01% 1817
2025
Q4 		$393K Sell
61,722
-74,853
-55% -$465K ﹤0.01% 1484
2025
Q3 		$742K Sell
136,575
-189,102
-58% -$1.01M ﹤0.01% 1520
2025
Q2 		$2.17M Buy
+325,677
New +$1.81M 0.01% 937
2024
Q3 		– Sell
-37,400
Closed -$494K – 2350
2024
Q2 		$494K Sell
37,400
-40,800
-52% -$682K ﹤0.01% 1498
2024
Q1 		$1.84M Buy
78,200
+28,500
+57% +$706K 0.01% 1022
2023
Q4 		$1.36M Buy
49,700
+6,038
+14% +$142K 0.01% 937
2023
Q3 		$1.18M Buy
43,662
+4,762
+12% +$118K 0.01% 970
2023
Q2 		$877K Buy
+38,900
New +$693K 0.01% 1021
2023
Q1 		– Sell
-11,100
Closed -$154K – 2537
2022
Q4 		$154K Sell
11,100
-37,600
-77% -$433K ﹤0.01% 2072
2022
Q3 		$537K Buy
+48,700
New +$619K ﹤0.01% 1700
2021
Q1 		– Sell
-38,900
Closed -$1.81M – 2068
2020
Q4 		$1.81M Buy
+38,900
New +$1.7M 0.02% 622

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 $59.9B AUM 27.01% 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

Steve Schonfeld's QTRX Position: Q2 2026 in Review

Steve Schonfeld reduced its Quanterix (QTRX) stake by 70% in Q2 2026, selling an estimated $97.7K and leaving 12,663 shares worth $54.7K. The position accounts for ﹤0.01% of the portfolio, ranked #2371.

Steve Schonfeld first reported a position in QTRX in Q4 2020 and has held it in 13 quarters since. The position peaked at $2.17M in Q2 2025. 132 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Steve Schonfeld held 12,663 shares of Quanterix worth $54.7K as of Q2 2026.
  • Steve Schonfeld sold 30,123 Quanterix shares in Q2 2026, an estimated $97.7K.
  • Quanterix made up ﹤0.01% of Steve Schonfeld's portfolio in Q2 2026, its #2371 holding.
  • Steve Schonfeld first reported a position in Quanterix in Q4 2020 and has held it in 13 quarters since.
  • Steve Schonfeld's Quanterix position peaked at $2.17M in Q2 2025.
  • 132 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.