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Marathon Capital Management’s Quanterix QTRX Stock Holding History

Marathon Capital Management’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
Q2 		– Sell
-74,300
Closed -$484K – 174
2025
Q1 		$484K Sell
74,300
-450
-0.6% -$3.75K 0.13% 94
2024
Q4 		$795K Sell
74,750
-60,260
-45% -$733K 0.2% 73
2024
Q3 		$1.75M Sell
135,010
-2,550
-2% -$34.1K 0.42% 52
2024
Q2 		$1.82M Buy
137,560
+18,425
+15% +$308K 0.46% 48
2024
Q1 		$2.81M Buy
119,135
+13,390
+13% +$332K 0.67% 38
2023
Q4 		$2.89M Sell
105,745
-675
-0.6% -$15.9K 0.73% 40
2023
Q3 		$2.89M Buy
106,420
+4,500
+4% +$111K 0.73% 37
2023
Q2 		$2.3M Sell
101,920
-18,195
-15% -$324K 0.57% 48
2023
Q1 		$1.35M Buy
120,115
+18,150
+18% +$232K 0.33% 61
2022
Q4 		$1.41M Sell
101,965
-5,000
-5% -$57.5K 0.39% 52
2022
Q3 		$1.18M Buy
106,965
+3,280
+3% +$41.7K 0.34% 56
2022
Q2 		$1.68M Buy
103,685
+5,045
+5% +$104K 0.54% 42
2022
Q1 		$2.88M Buy
98,640
+6,315
+7% +$193K 0.83% 29
2021
Q4 		$3.92M Buy
92,325
+180
+0.2% +$8.41K 0.92% 23
2021
Q3 		$4.59M Buy
92,145
+1,530
+2% +$78.9K 1.04% 15
2021
Q2 		$5.32M Sell
90,615
-470
-0.5% -$27.3K 1.23% 10
2021
Q1 		$5.33M Sell
91,085
-1,560
-2% -$105K 1.4% 8
2020
Q4 		$4.31M Buy
92,645
+14,695
+19% +$641K 1.27% 12
2020
Q3 		$2.63M Buy
77,950
+39,800
+104% +$1.28M 0.96% 18
2020
Q2 		$1.04M Buy
+38,150
New +$964K 0.4% 43

Other funds holding QTRX

Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
KLP
Kent Lake PR Anasco, Puerto Rico $198M AUM 5.21% 1-Year Est. Return
ICM
Invenomic Capital Management Boston, Massachusetts $2.18B AUM 0.03% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
EIP
Easterly Investment Partners Beverly, Massachusetts $1.31B AUM 18.17% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $125M AUM 91.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Marathon Capital Management's QTRX Position: Q2 2025 in Review

Marathon Capital Management sold out of Quanterix (QTRX) in Q2 2025, closing a stake of 74,300 shares — an estimated $484K sold.

Marathon Capital Management first reported a position in QTRX in Q2 2020 and held it in 20 quarters. The position peaked at $5.33M in Q1 2021. 137 funds tracked by Wall St. Rank hold QTRX as of Q2 2025.

  • Marathon Capital Management reported no remaining Quanterix position as of Q2 2025 after selling out during the quarter.
  • Marathon Capital Management sold 74,300 Quanterix shares in Q2 2025, an estimated $484K.
  • Marathon Capital Management first reported a position in Quanterix in Q2 2020 and held it in 20 quarters.
  • Marathon Capital Management's Quanterix position peaked at $5.33M in Q1 2021.
  • 137 funds tracked by Wall St. Rank held Quanterix as of Q2 2025.

Based on Marathon Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.