KLP
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Kent Lake PR’s Quanterix QTRX Stock Holding History

Kent Lake PR’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
2025
Q3 		$5.44M Sell
1,001,000
-1,300,000
-56% -$6.91M 2.75% 15
2025
Q2 		$15.3M Sell
2,301,000
-623,903
-21% -$3.48M 6.75% 2
2025
Q1 		$19M Buy
2,924,903
+2,024,903
+225% +$16.9M 8.79% 2
2024
Q4 		$9.57M Buy
900,000
+228,500
+34% +$2.78M 4.05% 9
2024
Q3 		$8.7M Buy
+671,500
New +$8.97M 3.46% 10

Other funds holding QTRX

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
ICM
Invenomic Capital Management Boston, Massachusetts $1.67B AUM 1.43% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
EIP
Easterly Investment Partners Beverly, Massachusetts $1.97B AUM 25.87% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $159M AUM 139.66% 1-Year Est. Return

Kent Lake PR's QTRX Position: Q3 2025 in Review

Kent Lake PR reduced its Quanterix (QTRX) stake by 56% in Q3 2025, selling an estimated $6.91M and leaving 1,001,000 shares worth $5.44M. The position accounts for 2.75% of the portfolio, ranked #15.

Kent Lake PR first reported a position in QTRX in Q3 2024 and has held it in 5 quarters since. The position peaked at $19M in Q1 2025. 129 funds tracked by Wall St. Rank hold QTRX as of Q3 2025.

  • Kent Lake PR held 1,001,000 shares of Quanterix worth $5.44M as of Q3 2025.
  • Kent Lake PR sold 1,300,000 Quanterix shares in Q3 2025, an estimated $6.91M.
  • Quanterix made up 2.75% of Kent Lake PR's portfolio in Q3 2025, its #15 holding.
  • Kent Lake PR first reported a position in Quanterix in Q3 2024 and has held it in 5 quarters since.
  • Kent Lake PR's Quanterix position peaked at $19M in Q1 2025.
  • 129 funds tracked by Wall St. Rank held Quanterix as of Q3 2025.

Based on Kent Lake PR's 13F filing for Q3 2025, filed 14 Nov 2025.