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Massar Capital Management’s Quanterix QTRX Stock Holding History

Massar Capital 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
Q2 		– Sell
-46,000
Closed -$299K – 162
2025
Q1 		$299K Buy
+46,000
New +$384K 0.33% 68

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PCM
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BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
KLP
Kent Lake PR Anasco, Puerto Rico $198M AUM 5.21% 1-Year Est. Return
ICM
Invenomic Capital Management Boston, Massachusetts $2.18B AUM 0.03% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
EIP
Easterly Investment Partners Beverly, Massachusetts $1.97B AUM 25.87% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $125M AUM 91.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Massar Capital Management's QTRX Position: Q2 2025 in Review

Massar Capital Management sold out of Quanterix (QTRX) in Q2 2025, closing a stake of 46,000 shares — an estimated $299K sold.

Massar Capital Management first reported a position in QTRX in Q1 2025 and held it in 1 quarter. The position peaked at $299K in Q1 2025. 137 funds tracked by Wall St. Rank hold QTRX as of Q2 2025.

  • Massar Capital Management reported no remaining Quanterix position as of Q2 2025 after selling out during the quarter.
  • Massar Capital Management sold 46,000 Quanterix shares in Q2 2025, an estimated $299K.
  • Massar Capital Management first reported a position in Quanterix in Q1 2025 and held it in 1 quarter.
  • Massar Capital Management's Quanterix position peaked at $299K in Q1 2025.
  • 137 funds tracked by Wall St. Rank held Quanterix as of Q2 2025.

Based on Massar Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.