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
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

Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $125M AUM 91.82% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
ICM
Invenomic Capital Management Boston, Massachusetts $2.18B AUM 0.03% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LCS
Levin Capital Strategies New York $1.32B AUM 28.11% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Russell Investments Group's QTRX Position: Q1 2026 in Review

Russell Investments Group increased its Quanterix (QTRX) stake by 151% in Q1 2026, buying an estimated $2.25M and bringing the position to 641,981 shares worth $2.26M. The position accounts for ﹤0.01% of the portfolio, ranked #1813.

Russell Investments Group first reported a position in QTRX in Q1 2023 and has held it in 13 quarters since. The position peaked at $4.34M in Q3 2024. 128 funds tracked by Wall St. Rank hold QTRX as of Q1 2026.

  • Russell Investments Group held 641,981 shares of Quanterix worth $2.26M as of Q1 2026.
  • Russell Investments Group bought 385,841 Quanterix shares in Q1 2026, an estimated $2.25M.
  • Quanterix made up ﹤0.01% of Russell Investments Group's portfolio in Q1 2026, its #1813 holding.
  • Russell Investments Group first reported a position in Quanterix in Q1 2023 and has held it in 13 quarters since.
  • Russell Investments Group's Quanterix position peaked at $4.34M in Q3 2024.
  • 128 funds tracked by Wall St. Rank held Quanterix as of Q1 2026.

Based on Russell Investments Group's 13F filing for Q1 2026, filed 8 May 2026.