Mariner
QTRX icon

Mariner’s Quanterix QTRX Stock Holding History

Mariner’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
Q2 		$66.8K Buy
+15,471
New +$50.2K ﹤0.01% 3384
2022
Q4 		– Sell
-10,519
Closed -$116K – 2822
2022
Q3 		$116K Buy
+10,519
New +$134K ﹤0.01% 2168

Other funds holding QTRX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $159M AUM 139.66% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LCM
Lionhunter Capital Management New York $222M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Mariner's QTRX Position: Q2 2026 in Review

Mariner opened a new position in Quanterix (QTRX) in Q2 2026: 15,471 shares worth $66.8K. The stake represents ﹤0.01% of the portfolio and ranks #3384 among its holdings. This is a return to the name: Mariner previously reported a position in QTRX as recently as Q3 2022.

Mariner first reported a position in QTRX in Q3 2022 and has held it in 2 quarters since. The position peaked at $116K in Q3 2022. 133 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Mariner held 15,471 shares of Quanterix worth $66.8K as of Q2 2026.
  • Quanterix was a new Mariner position in Q2 2026.
  • Quanterix made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3384 holding.
  • Mariner first reported a position in Quanterix in Q3 2022 and has held it in 2 quarters since.
  • Mariner's Quanterix position peaked at $116K in Q3 2022.
  • 133 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.