FFO
QTRX icon

Fortitude Family Office’s Quanterix QTRX Stock Holding History

Fortitude Family Office’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 		$373 Buy
+106
New +$619 ﹤0.01% 1806
2025
Q4 		– Sell
-270
Closed -$1.47K – 2087
2025
Q3 		$1.47K Hold
270
– – ﹤0.01% 1383
2025
Q2 		$1.8K Buy
+270
New +$1.5K ﹤0.01% 1249

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
BWLSA
Blue Water Life Science Advisors Larkspur, California $125M AUM 91.82% 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
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
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fortitude Family Office's QTRX Position: Q1 2026 in Review

Fortitude Family Office opened a new position in Quanterix (QTRX) in Q1 2026: 106 shares worth $373. The stake represents ﹤0.01% of the portfolio and ranks #1806 among its holdings. This is a return to the name: Fortitude Family Office previously reported a position in QTRX as recently as Q3 2025.

Fortitude Family Office first reported a position in QTRX in Q2 2025 and has held it in 3 quarters since. The position peaked at $1.8K in Q2 2025. 128 funds tracked by Wall St. Rank hold QTRX as of Q1 2026.

  • Fortitude Family Office held 106 shares of Quanterix worth $373 as of Q1 2026.
  • Quanterix was a new Fortitude Family Office position in Q1 2026.
  • Quanterix made up ﹤0.01% of Fortitude Family Office's portfolio in Q1 2026, its #1806 holding.
  • Fortitude Family Office first reported a position in Quanterix in Q2 2025 and has held it in 3 quarters since.
  • Fortitude Family Office's Quanterix position peaked at $1.8K in Q2 2025.
  • 128 funds tracked by Wall St. Rank held Quanterix as of Q1 2026.

Based on Fortitude Family Office's 13F filing for Q1 2026, filed 16 Apr 2026.