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Gilder Gagnon Howe & Co’s Quanterix QTRX Stock Holding History

Gilder Gagnon Howe & Co’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
-68,663
Closed -$730K – 261
2024
Q4 		$730K Sell
68,663
-403,617
-85% -$4.91M 0.01% 223
2024
Q3 		$6.12M Sell
472,280
-460,519
-49% -$6.15M 0.07% 137
2024
Q2 		$12.3M Sell
932,799
-241,119
-21% -$4.03M 0.15% 107
2024
Q1 		$27.7M Sell
1,173,918
-28,490
-2% -$706K 0.35% 71
2023
Q4 		$32.9M Sell
1,202,408
-23,797
-2% -$560K 0.45% 58
2023
Q3 		$33.3M Sell
1,226,205
-41,997
-3% -$1.04M 0.51% 53
2023
Q2 		$28.6M Buy
1,268,202
+377,538
+42% +$6.73M 0.39% 68
2023
Q1 		$10M Sell
890,664
-52,757
-6% -$674K 0.17% 108
2022
Q4 		$13.1M Sell
943,421
-508,171
-35% -$5.85M 0.24% 96
2022
Q3 		$16M Sell
1,451,592
-154,335
-10% -$1.96M 0.28% 85
2022
Q2 		$26M Sell
1,605,927
-645,545
-29% -$13.3M 0.46% 59
2022
Q1 		$65.7M Sell
2,251,472
-584,527
-21% -$17.9M 0.61% 48
2021
Q4 		$120M Sell
2,835,999
-29,016
-1% -$1.36M 0.68% 45
2021
Q3 		$143M Sell
2,865,015
-26,524
-0.9% -$1.37M 0.74% 39
2021
Q2 		$170M Sell
2,891,539
-36,681
-1% -$2.13M 0.83% 36
2021
Q1 		$171M Sell
2,928,220
-147,031
-5% -$9.94M 0.92% 31
2020
Q4 		$143M Buy
3,075,251
+125,652
+4% +$5.48M 0.71% 38
2020
Q3 		$99.5M Buy
2,949,599
+216,966
+8% +$6.99M 0.61% 52
2020
Q2 		$74.8M Sell
2,732,633
-398,742
-13% -$10.1M 0.59% 57
2020
Q1 		$57.5M Sell
3,131,375
-211,580
-6% -$4.83M 0.69% 53
2019
Q4 		$79M Sell
3,342,955
-79,650
-2% -$1.82M 0.82% 43
2019
Q3 		$75.2M Buy
3,422,605
+354,437
+12% +$9.89M 0.86% 43
2019
Q2 		$104M Buy
3,068,168
+2,081,581
+211% +$53.8M 1.05% 30
2019
Q1 		$25.5M Buy
986,587
+4,430
+0.5% +$98.9K 0.27% 85
2018
Q4 		$18M Buy
982,157
+15,954
+2% +$286K 0.25% 83
2018
Q3 		$20.7M Sell
966,203
-124,690
-11% -$1.97M 0.21% 99
2018
Q2 		$15.7M Buy
1,090,893
+383,602
+54% +$6.64M 0.17% 112
2018
Q1 		$12.1M Buy
+707,291
New +$14.2M 0.15% 117

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
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 $1.31B AUM 18.17% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Gilder Gagnon Howe & Co's QTRX Position: Q1 2025 in Review

Gilder Gagnon Howe & Co sold out of Quanterix (QTRX) in Q1 2025, closing a stake of 68,663 shares — an estimated $730K sold.

Gilder Gagnon Howe & Co first reported a position in QTRX in Q1 2018 and held it in 28 quarters. The position peaked at $171M in Q1 2021. 149 funds tracked by Wall St. Rank hold QTRX as of Q1 2025.

  • Gilder Gagnon Howe & Co reported no remaining Quanterix position as of Q1 2025 after selling out during the quarter.
  • Gilder Gagnon Howe & Co sold 68,663 Quanterix shares in Q1 2025, an estimated $730K.
  • Gilder Gagnon Howe & Co first reported a position in Quanterix in Q1 2018 and held it in 28 quarters.
  • Gilder Gagnon Howe & Co's Quanterix position peaked at $171M in Q1 2021.
  • 149 funds tracked by Wall St. Rank held Quanterix as of Q1 2025.

Based on Gilder Gagnon Howe & Co's 13F filing for Q1 2025, filed 15 May 2025.