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Granahan Investment Management’s Quanterix QTRX Stock Holding History

Granahan Investment 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
Q1 		– Sell
-536,417
Closed -$5.7M – 185
2024
Q4 		$5.7M Sell
536,417
-566,214
-51% -$6.89M 0.24% 100
2024
Q3 		$14.3M Sell
1,102,631
-26,860
-2% -$359K 0.56% 50
2024
Q2 		$14.9M Buy
1,129,491
+457,712
+68% +$7.65M 0.6% 52
2024
Q1 		$15.8M Buy
671,779
+4,920
+0.7% +$122K 0.56% 58
2023
Q4 		$18.2M Sell
666,859
-92,506
-12% -$2.18M 0.6% 51
2023
Q3 		$20.6M Sell
759,365
-419,147
-36% -$10.4M 0.73% 40
2023
Q2 		$26.6M Sell
1,178,512
-119,514
-9% -$2.13M 0.82% 34
2023
Q1 		$14.6M Buy
1,298,026
+36,474
+3% +$466K 0.45% 68
2022
Q4 		$17.5M Sell
1,261,552
-11,387
-0.9% -$131K 0.53% 56
2022
Q3 		$14M Buy
1,272,939
+199,084
+19% +$2.53M 0.46% 60
2022
Q2 		$17.4M Sell
1,073,855
-79,127
-7% -$1.63M 0.59% 43
2022
Q1 		$33.7M Buy
1,152,982
+414,442
+56% +$12.7M 0.84% 36
2021
Q4 		$31.3M Buy
738,540
+139,481
+23% +$6.51M 0.64% 41
2021
Q3 		$29.8M Sell
599,059
-10,121
-2% -$522K 0.57% 41
2021
Q2 		$35.7M Buy
609,180
+126,325
+26% +$7.33M 0.67% 37
2021
Q1 		$28.2M Buy
482,855
+100,479
+26% +$6.79M 0.6% 42
2020
Q4 		$17.8M Buy
382,376
+3,842
+1% +$168K 0.4% 62
2020
Q3 		$12.8M Buy
378,534
+27,516
+8% +$886K 0.43% 71
2020
Q2 		$9.61M Buy
351,018
+167,046
+91% +$4.22M 0.35% 82
2020
Q1 		$3.38M Buy
183,972
+85,290
+86% +$1.95M 0.18% 106
2019
Q4 		$2.33M Buy
98,682
+3,770
+4% +$86K 0.11% 135
2019
Q3 		$2.08M Buy
+94,912
New +$2.65M 0.11% 138

Other funds holding QTRX

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
PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
KLP
Kent Lake PR Anasco, Puerto Rico $198M AUM 5.21% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
EIP
Easterly Investment Partners Beverly, Massachusetts $1.97B AUM 25.87% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
ICM
Invenomic Capital Management Boston, Massachusetts $1.67B AUM 1.43% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Granahan Investment Management's QTRX Position: Q1 2025 in Review

Granahan Investment Management sold out of Quanterix (QTRX) in Q1 2025, closing a stake of 536,417 shares — an estimated $5.7M sold.

Granahan Investment Management first reported a position in QTRX in Q3 2019 and held it in 22 quarters. The position peaked at $35.7M in Q2 2021. 149 funds tracked by Wall St. Rank hold QTRX as of Q1 2025.

  • Granahan Investment Management reported no remaining Quanterix position as of Q1 2025 after selling out during the quarter.
  • Granahan Investment Management sold 536,417 Quanterix shares in Q1 2025, an estimated $5.7M.
  • Granahan Investment Management first reported a position in Quanterix in Q3 2019 and held it in 22 quarters.
  • Granahan Investment Management's Quanterix position peaked at $35.7M in Q2 2021.
  • 149 funds tracked by Wall St. Rank held Quanterix as of Q1 2025.

Based on Granahan Investment Management's 13F filing for Q1 2025, filed 15 May 2025.