Pura Vida Investments’s Quanterix QTRX Stock Holding History

Pura Vida Investments’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	-75,000	Closed	-$797K	–	20
2024 Q4	$797K	Buy	+75,000	New	+$912K	2.52%	16
2024 Q1	–	Sell	-80,000	Closed	-$2.19M	–	67
2023 Q4	$2.19M	Sell	80,000 -20,000	-20%	-$471K	0.33%	35
2023 Q3	$2.71M	Buy	100,000 +7,100	+8%	+$176K	0.51%	50
2023 Q2	$2.09M	Buy	+92,900	New	+$1.66M	0.28%	64
2023 Q1	–	Sell	-1,105,800	Closed	-$15.3M	–	149
2022 Q4	$15.3M	Buy	1,105,800 +605,800	+121%	+$6.97M	0.79%	33
2022 Q3	$5.51M	Buy	+500,000	New	+$6.36M	0.32%	79
2022 Q2	–	Sell	-344,600	Closed	-$10.1M	–	263
2022 Q1	$10.1M	Buy	+344,600	New	+$10.5M	0.33%	79
2021 Q4	–	Sell	-120,000	Closed	-$5.97M	–	295
2021 Q3	$5.97M	Buy	120,000 +20,000	+20%	+$1.03M	0.18%	136
2021 Q2	$5.87M	Buy	+100,000	New	+$5.8M	0.18%	104

Other funds holding QTRX

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 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 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 Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Pura Vida Investments's QTRX Position: Q1 2025 in Review

Pura Vida Investments sold out of Quanterix (QTRX) in Q1 2025, closing a stake of 234,755 shares — an estimated $2.5M sold.

Pura Vida Investments first reported a position in QTRX in Q4 2017 and held it in 18 quarters. The position peaked at $26.6M in Q1 2023. 149 funds tracked by Wall St. Rank hold QTRX as of Q1 2025.

Pura Vida Investments reported no remaining Quanterix position as of Q1 2025 after selling out during the quarter.
Pura Vida Investments sold 234,755 Quanterix shares in Q1 2025, an estimated $2.5M.
Pura Vida Investments first reported a position in Quanterix in Q4 2017 and held it in 18 quarters.
Pura Vida Investments's Quanterix position peaked at $26.6M in Q1 2023.
149 funds tracked by Wall St. Rank held Quanterix as of Q1 2025.

Based on Pura Vida Investments's 13F filing for Q1 2025, filed 12 May 2025.