JY
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Jeff Yass’s Quanterix QTRX Stock Holding History

Jeff Yass’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 		$94.2K Buy
21,800
+6,500
+42% +$21.1K ﹤0.01% 12535
2026
Q1 		$53.9K Buy
+15,300
New +$89.3K ﹤0.01% 12620
2025
Q2 		– Sell
-10,800
Closed -$70.3K – 13537
2025
Q1 		$70.3K Sell
10,800
-22,000
-67% -$184K ﹤0.01% 11738
2024
Q4 		$349K Buy
32,800
+12,300
+60% +$150K ﹤0.01% 9503
2024
Q3 		$266K Buy
20,500
+8,500
+71% +$114K ﹤0.01% 9855
2024
Q2 		$159K Sell
12,000
-25,300
-68% -$423K ﹤0.01% 10639
2024
Q1 		$879K Buy
37,300
+14,500
+64% +$359K ﹤0.01% 7210
2023
Q4 		$623K Sell
22,800
-51,600
-69% -$1.21M ﹤0.01% 8129
2023
Q3 		$2.02M Sell
74,400
-34,000
-31% -$842K ﹤0.01% 5115
2023
Q2 		$2.44M Buy
108,400
+97,000
+851% +$1.73M ﹤0.01% 4739
2023
Q1 		$128K Sell
11,400
-12,400
-52% -$158K ﹤0.01% 11065
2022
Q4 		$330K Sell
23,800
-24,500
-51% -$282K ﹤0.01% 8866
2022
Q3 		$532K Buy
48,300
+38,200
+378% +$486K ﹤0.01% 8322
2022
Q2 		$164K Buy
+10,100
New +$208K ﹤0.01% 10915
2022
Q1 		– Sell
-19,700
Closed -$835K – 13803
2021
Q4 		$835K Buy
19,700
+11,800
+149% +$551K ﹤0.01% 7775
2021
Q3 		$393K Sell
7,900
-23,600
-75% -$1.22M ﹤0.01% 9978
2021
Q2 		$1.85M Buy
31,500
+24,700
+363% +$1.43M ﹤0.01% 6095
2021
Q1 		$398K Buy
+6,800
New +$460K ﹤0.01% 9997

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 $59.9B AUM 27.01% 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

Jeff Yass's QTRX Position: Q2 2026 in Review

Jeff Yass increased its Quanterix (QTRX) stake by 232% in Q2 2026, buying an estimated $382K and bringing the position to 168,620 shares worth $728K. The position accounts for ﹤0.01% of the portfolio, ranked #9001.

Jeff Yass first reported a position in QTRX in Q4 2020 and has held it in 21 quarters since. The position peaked at $5.29M in Q1 2022. 132 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Jeff Yass held 168,620 shares of Quanterix worth $728K as of Q2 2026.
  • Jeff Yass bought 117,901 Quanterix shares in Q2 2026, an estimated $382K.
  • Quanterix made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #9001 holding.
  • Jeff Yass first reported a position in Quanterix in Q4 2020 and has held it in 21 quarters since.
  • Jeff Yass's Quanterix position peaked at $5.29M in Q1 2022.
  • 132 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.