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Israel Englander’s Quanterix QTRX Stock Holding History

Israel Englander’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
2023
Q3 		– Sell
-189,800
Closed -$4.28M – 6477
2023
Q2 		$4.28M Buy
+189,800
New +$3.38M ﹤0.01% 2799

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

Israel Englander's QTRX Position: Q2 2026 in Review

Israel Englander reduced its Quanterix (QTRX) stake by 94% in Q2 2026, selling an estimated $2.1M and leaving 40,662 shares worth $176K. The position accounts for ﹤0.01% of the portfolio, ranked #5352.

Israel Englander first reported a position in QTRX in Q4 2017 and has held it in 34 quarters since. The position peaked at $60.4M in Q4 2023. 132 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Israel Englander held 40,662 shares of Quanterix worth $176K as of Q2 2026.
  • Israel Englander sold 648,505 Quanterix shares in Q2 2026, an estimated $2.1M.
  • Quanterix made up ﹤0.01% of Israel Englander's portfolio in Q2 2026, its #5352 holding.
  • Israel Englander first reported a position in Quanterix in Q4 2017 and has held it in 34 quarters since.
  • Israel Englander's Quanterix position peaked at $60.4M in Q4 2023.
  • 132 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.