AllianceBernstein
QTRX icon

AllianceBernstein’s Quanterix QTRX Stock Holding History

AllianceBernstein’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 		$200K Buy
56,780
+12,300
+28% +$39.9K ﹤0.01% 3146
2026
Q1 		$283K Hold
44,480
– – ﹤0.01% 2912
2025
Q4 		$283K Hold
44,480
– – ﹤0.01% 2940
2025
Q3 		$242K Hold
44,480
– – ﹤0.01% 3018
2025
Q2 		$296K Buy
44,480
+7,500
+20% +$41.8K ﹤0.01% 2918
2025
Q1 		$241K Sell
36,980
-2,402,825
-98% -$20.1M ﹤0.01% 2862
2024
Q4 		$25.9M Sell
2,439,805
-825,798
-25% -$10M 0.01% 828
2024
Q3 		$42.3M Sell
3,265,603
-149,191
-4% -$1.99M 0.01% 659
2024
Q2 		$45.1M Buy
3,414,794
+883,266
+35% +$14.8M 0.02% 624
2024
Q1 		$59.6M Buy
2,531,528
+1,971,203
+352% +$48.8M 0.02% 553
2023
Q4 		$15.3M Buy
560,325
+520,125
+1,294% +$12.2M 0.01% 968
2023
Q3 		$1.09M Hold
40,200
– – ﹤0.01% 2192
2023
Q2 		$907K Hold
40,200
– – ﹤0.01% 2332
2023
Q1 		$453K Hold
40,200
– – ﹤0.01% 2612
2022
Q4 		$557K Buy
40,200
+11,000
+38% +$127K ﹤0.01% 2575
2022
Q3 		$322K Sell
29,200
-4,400
-13% -$55.9K ﹤0.01% 2834
2022
Q2 		$544K Hold
33,600
– – ﹤0.01% 2646
2022
Q1 		$981K Hold
33,600
– – ﹤0.01% 2439
2021
Q4 		$1.43M Hold
33,600
– – ﹤0.01% 2330
2021
Q3 		$1.67M Hold
33,600
– – ﹤0.01% 2262
2021
Q2 		$1.97M Buy
33,600
+9,500
+39% +$551K ﹤0.01% 2200
2021
Q1 		$1.41M Buy
24,100
+5,200
+28% +$352K ﹤0.01% 2266
2020
Q4 		$879K Hold
18,900
– – ﹤0.01% 2349
2020
Q3 		$638K Sell
18,900
-1,500
-7% -$48.3K ﹤0.01% 2404
2020
Q2 		$559K Hold
20,400
– – ﹤0.01% 2535
2020
Q1 		$375K Buy
20,400
+3,400
+20% +$77.6K ﹤0.01% 2498
2019
Q4 		$402K Hold
17,000
– – ﹤0.01% 2642
2019
Q3 		$373K Hold
17,000
– – ﹤0.01% 2698
2019
Q2 		$574K Buy
17,000
+5,200
+44% +$135K ﹤0.01% 2542
2019
Q1 		$305K Buy
+11,800
New +$263K ﹤0.01% 2750

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

AllianceBernstein's QTRX Position: Q2 2026 in Review

AllianceBernstein increased its Quanterix (QTRX) stake by 28% in Q2 2026, buying an estimated $39.9K and bringing the position to 56,780 shares worth $200K. The position accounts for ﹤0.01% of the portfolio, ranked #3146.

AllianceBernstein first reported a position in QTRX in Q1 2019 and has held it in 30 quarters since. The position peaked at $59.6M in Q1 2024. 133 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • AllianceBernstein held 56,780 shares of Quanterix worth $200K as of Q2 2026.
  • AllianceBernstein bought 12,300 Quanterix shares in Q2 2026, an estimated $39.9K.
  • Quanterix made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #3146 holding.
  • AllianceBernstein first reported a position in Quanterix in Q1 2019 and has held it in 30 quarters since.
  • AllianceBernstein's Quanterix position peaked at $59.6M in Q1 2024.
  • 133 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

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