Parkman Healthcare Partners’s Quanterix QTRX Stock Holding History

Parkman Healthcare Partners’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
2026 Q1	$1.2M	Buy	341,453 +12,497	+4%	+$72.9K	0.12%	82
2025 Q4	$2.09M	Buy	328,956 +76,745	+30%	+$477K	0.2%	85
2025 Q3	$1.37M	Sell	252,211 -263,781	-51%	-$1.4M	0.14%	83
2025 Q2	$3.43M	Buy	+515,992	New	+$2.88M	0.39%	68
2024 Q3	–	Sell	-176,377	Closed	-$2.33M	–	102
2024 Q2	$2.33M	Buy	176,377 +265	+0.2%	+$4.43K	0.31%	73
2024 Q1	$4.15M	Buy	176,112 +29,746	+20%	+$737K	0.51%	64
2023 Q4	$4M	Buy	146,366 +69,279	+90%	+$1.63M	0.56%	57
2023 Q3	$2.09M	Buy	77,087 +26,943	+54%	+$667K	0.38%	69
2023 Q2	$1.13M	Buy	+50,144	New	+$894K	0.2%	85
2022 Q1	–	Sell	-20,000	Closed	-$848K	–	89
2021 Q4	$848K	Buy	+20,000	New	+$934K	0.19%	78

Other funds holding QTRX

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

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

BWLSA

Blue Water Life Science Advisors Larkspur, California $125M AUM 91.82% 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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

LCS

Levin Capital Strategies New York $1.49B AUM 30.44% 1-Year Est. Return

First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return

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

Parkman Healthcare Partners's QTRX Position: Q1 2026 in Review

Parkman Healthcare Partners increased its Quanterix (QTRX) stake by 3.8% in Q1 2026, buying an estimated $72.9K and bringing the position to 341,453 shares worth $1.2M. The position accounts for 0.12% of the portfolio, ranked #82.

Parkman Healthcare Partners first reported a position in QTRX in Q4 2021 and has held it in 10 quarters since. The position peaked at $4.15M in Q1 2024. 128 funds tracked by Wall St. Rank hold QTRX as of Q1 2026.

Parkman Healthcare Partners held 341,453 shares of Quanterix worth $1.2M as of Q1 2026.
Parkman Healthcare Partners bought 12,497 Quanterix shares in Q1 2026, an estimated $72.9K.
Quanterix made up 0.12% of Parkman Healthcare Partners's portfolio in Q1 2026, its #82 holding.
Parkman Healthcare Partners first reported a position in Quanterix in Q4 2021 and has held it in 10 quarters since.
Parkman Healthcare Partners's Quanterix position peaked at $4.15M in Q1 2024.
128 funds tracked by Wall St. Rank held Quanterix as of Q1 2026.

Based on Parkman Healthcare Partners's 13F filing for Q1 2026, filed 15 May 2026.