Russell Investments Group
QTRX icon

Russell Investments Group’s Quanterix QTRX Stock Holding History

Russell Investments Group’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 		$163K Sell
37,722
-604,259
-94% -$1.96M ﹤0.01% 3255
2026
Q1 		$2.26M Buy
641,981
+385,841
+151% +$2.25M ﹤0.01% 1813
2025
Q4 		$1.63M Sell
256,140
-177,920
-41% -$1.11M ﹤0.01% 1984
2025
Q3 		$2.36M Buy
434,060
+9,401
+2% +$50K ﹤0.01% 1772
2025
Q2 		$2.82M Sell
424,659
-182,128
-30% -$1.01M ﹤0.01% 1545
2025
Q1 		$3.95M Buy
606,787
+205,311
+51% +$1.71M 0.01% 1294
2024
Q4 		$4.27M Buy
401,476
+66,315
+20% +$807K 0.01% 1253
2024
Q3 		$4.34M Buy
335,161
+58,271
+21% +$778K 0.01% 1267
2024
Q2 		$3.66M Buy
276,890
+258,321
+1,391% +$4.32M 0.01% 1303
2024
Q1 		$437K Sell
18,569
-1,477
-7% -$36.6K ﹤0.01% 2244
2023
Q4 		$548K Buy
20,046
+2,973
+17% +$70K ﹤0.01% 2182
2023
Q3 		$463K Sell
17,073
-5,182
-23% -$128K ﹤0.01% 2255
2023
Q2 		$502K Buy
22,255
+387
+2% +$6.9K ﹤0.01% 2219
2023
Q1 		$246K Buy
+21,868
New +$279K ﹤0.01% 2437

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

Russell Investments Group's QTRX Position: Q2 2026 in Review

Russell Investments Group reduced its Quanterix (QTRX) stake by 94% in Q2 2026, selling an estimated $1.96M and leaving 37,722 shares worth $163K. The position accounts for ﹤0.01% of the portfolio, ranked #3255.

Russell Investments Group first reported a position in QTRX in Q1 2023 and has held it in 14 quarters since. The position peaked at $4.34M in Q3 2024. 132 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Russell Investments Group held 37,722 shares of Quanterix worth $163K as of Q2 2026.
  • Russell Investments Group sold 604,259 Quanterix shares in Q2 2026, an estimated $1.96M.
  • Quanterix made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #3255 holding.
  • Russell Investments Group first reported a position in Quanterix in Q1 2023 and has held it in 14 quarters since.
  • Russell Investments Group's Quanterix position peaked at $4.34M in Q3 2024.
  • 132 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.