Citadel Advisors
QTRX icon

Citadel Advisors’s Quanterix QTRX Stock Holding History

Citadel Advisors’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
-17,600
Closed -$115K – 14617
2025
Q1 		$115K Sell
17,600
-1,100
-6% -$9.18K ﹤0.01% 11271
2024
Q4 		$199K Buy
18,700
+12,300
+192% +$150K ﹤0.01% 10474
2024
Q3 		$82.9K Buy
6,400
+900
+16% +$12K ﹤0.01% 11369
2024
Q2 		$72.7K Buy
5,500
+900
+20% +$15K ﹤0.01% 11335
2024
Q1 		$108K Sell
4,600
-6,000
-57% -$149K ﹤0.01% 11244
2023
Q4 		$290K Sell
10,600
-1,500
-12% -$35.3K ﹤0.01% 9232
2023
Q3 		$328K Buy
12,100
+3,500
+41% +$86.6K ﹤0.01% 8992
2023
Q2 		$194K Buy
8,600
+6,200
+258% +$111K ﹤0.01% 9943
2023
Q1 		$27K Sell
2,400
-2,800
-54% -$35.8K ﹤0.01% 12826
2022
Q4 		$72K Buy
+5,200
New +$59.8K ﹤0.01% 11669
2022
Q2 		– Sell
-13,100
Closed -$382K – 13878
2022
Q1 		$382K Sell
13,100
-1,200
-8% -$36.7K ﹤0.01% 10029
2021
Q4 		$606K Buy
14,300
+3,700
+35% +$173K ﹤0.01% 9205
2021
Q3 		$528K Sell
10,600
-4,000
-27% -$206K ﹤0.01% 9726
2021
Q2 		$856K Buy
14,600
+100
+0.7% +$5.8K ﹤0.01% 8757
2021
Q1 		$848K Buy
14,500
+8,500
+142% +$575K ﹤0.01% 8510
2020
Q4 		$279K Buy
+6,000
New +$262K ﹤0.01% 9193

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

Citadel Advisors's QTRX Position: Q2 2026 in Review

Citadel Advisors increased its Quanterix (QTRX) stake by 277% in Q2 2026, buying an estimated $547K and bringing the position to 229,736 shares worth $992K. The position accounts for ﹤0.01% of the portfolio, ranked #8209.

Citadel Advisors first reported a position in QTRX in Q1 2018 and has held it in 28 quarters since. The position peaked at $7.1M in Q2 2021. 132 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Citadel Advisors held 229,736 shares of Quanterix worth $992K as of Q2 2026.
  • Citadel Advisors bought 168,735 Quanterix shares in Q2 2026, an estimated $547K.
  • Quanterix made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #8209 holding.
  • Citadel Advisors first reported a position in Quanterix in Q1 2018 and has held it in 28 quarters since.
  • Citadel Advisors's Quanterix position peaked at $7.1M in Q2 2021.
  • 132 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.