FFO
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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
Q3 		$686 Sell
185
-16
-8% -$53 ﹤0.01% 2334
2026
Q2 		$868 Buy
201
+95
+90% +$308 ﹤0.01% 1792
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

AP
Anchyra Partners Atlanta, Georgia $477M AUM 34.33% 1-Year Est. Return
PRTG
Post Resch Tallon Group Pittsford, New York $146M AUM 18.19% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return
TWD
True Wealth Design Akron, Ohio $426M AUM 16.34% 1-Year Est. Return
GAMMA Investing
GAMMA Investing Foster City, California $2.96B AUM 34.38% 1-Year Est. Return
EP
Essential Partners Rancho Santa Fe, California $219M AUM 37.92% 1-Year Est. Return
Farther Finance Advisors
Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return

Fortitude Family Office's QTRX Position: Q3 2026 in Review

Fortitude Family Office reduced its Quanterix (QTRX) stake by 8% in Q3 2026, selling an estimated $53 and leaving 185 shares worth $686. The position accounts for ﹤0.01% of the portfolio, ranked #2334.

Fortitude Family Office first reported a position in QTRX in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.8K in Q2 2025. 8 funds tracked by Wall St. Rank hold QTRX as of Q3 2026.

  • Fortitude Family Office held 185 shares of Quanterix worth $686 as of Q3 2026.
  • Fortitude Family Office sold 16 Quanterix shares in Q3 2026, an estimated $53.
  • Quanterix made up ﹤0.01% of Fortitude Family Office's portfolio in Q3 2026, its #2334 holding.
  • Fortitude Family Office first reported a position in Quanterix in Q2 2025 and has held it in 5 quarters since.
  • Fortitude Family Office's Quanterix position peaked at $1.8K in Q2 2025.
  • 8 funds tracked by Wall St. Rank held Quanterix as of Q3 2026.

Based on Fortitude Family Office's 13F filing for Q3 2026, filed 14 Oct 2026.