Blue Water Life Science Advisors’s Quanterix QTRX Stock Holding History

Blue Water Life Science Advisors’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	$7.54M	Buy	2,142,147 +50,000	+2%	+$292K	6.05%	8
2025 Q4	$13.3M	Buy	2,092,147 +1,134,400	+118%	+$7.05M	8.35%	5
2025 Q3	$5.2M	Hold	957,747	–	–	4.74%	7
2025 Q2	$6.37M	Buy	957,747 +585,572	+157%	+$3.26M	5.04%	7
2025 Q1	$2.42M	Buy	372,175 +293,782	+375%	+$2.45M	2.4%	7
2024 Q4	$833K	Hold	78,393	–	–	0.74%	9
2024 Q3	$1.02M	Sell	78,393 -200,000	-72%	-$2.67M	0.89%	8
2024 Q2	$3.68M	Sell	278,393 -30,700	-10%	-$513K	3.58%	6
2024 Q1	$7.28M	Buy	309,093 +20,897	+7%	+$518K	6.85%	5
2023 Q4	$7.88M	Buy	+288,196	New	+$6.78M	6.9%	8

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

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 $1.32B AUM 28.11% 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

Trium Capital London, United Kingdom $163M AUM 45.8% 1-Year Est. Return

Blue Water Life Science Advisors's QTRX Position: Q1 2026 in Review

Blue Water Life Science Advisors increased its Quanterix (QTRX) stake by 2.4% in Q1 2026, buying an estimated $292K and bringing the position to 2,142,147 shares worth $7.54M. The position accounts for 6.05% of the portfolio, ranked #8.

Blue Water Life Science Advisors first reported a position in QTRX in Q4 2023 and has held it in 10 quarters since. The position peaked at $13.3M in Q4 2025. 128 funds tracked by Wall St. Rank hold QTRX as of Q1 2026.

Blue Water Life Science Advisors held 2,142,147 shares of Quanterix worth $7.54M as of Q1 2026.
Blue Water Life Science Advisors bought 50,000 Quanterix shares in Q1 2026, an estimated $292K.
Quanterix made up 6.05% of Blue Water Life Science Advisors's portfolio in Q1 2026, its #8 holding.
Blue Water Life Science Advisors first reported a position in Quanterix in Q4 2023 and has held it in 10 quarters since.
Blue Water Life Science Advisors's Quanterix position peaked at $13.3M in Q4 2025.
128 funds tracked by Wall St. Rank held Quanterix as of Q1 2026.

Based on Blue Water Life Science Advisors's 13F filing for Q1 2026, filed 14 May 2026.