Ken Griffin
QTRX icon

Ken Griffin’s Quanterix QTRX Stock Holding History

Ken Griffin’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
Q1 		$93.6K Buy
+26,600
New +$155K ﹤0.01% 12068
2025
Q4 		– Sell
-10,600
Closed -$57.6K – 13814
2025
Q3 		$57.6K Buy
+10,600
New +$56.4K ﹤0.01% 12126
2025
Q2 		– Sell
-13,600
Closed -$88.5K – 14615
2025
Q1 		$88.5K Buy
13,600
+900
+7% +$7.51K ﹤0.01% 11639
2024
Q4 		$135K Buy
12,700
+2,600
+26% +$31.6K ﹤0.01% 11041
2024
Q3 		$131K Sell
10,100
-16,900
-63% -$226K ﹤0.01% 10744
2024
Q2 		$357K Buy
27,000
+15,900
+143% +$266K ﹤0.01% 8782
2024
Q1 		$262K Buy
11,100
+7,000
+171% +$173K ﹤0.01% 9766
2023
Q4 		$112K Sell
4,100
-7,800
-66% -$184K ﹤0.01% 10785
2023
Q3 		$323K Sell
11,900
-5,000
-30% -$124K ﹤0.01% 9026
2023
Q2 		$381K Buy
16,900
+7,600
+82% +$135K ﹤0.01% 8514
2023
Q1 		$105K Sell
9,300
-4,900
-35% -$62.6K ﹤0.01% 11190
2022
Q4 		$197K Sell
14,200
-10,600
-43% -$122K ﹤0.01% 10163
2022
Q3 		$273K Buy
+24,800
New +$315K ﹤0.01% 9773
2022
Q2 		– Sell
-6,900
Closed -$201K – 13877
2022
Q1 		$201K Sell
6,900
-800
-10% -$24.4K ﹤0.01% 11532
2021
Q4 		$326K Sell
7,700
-3,900
-34% -$182K ﹤0.01% 10741
2021
Q3 		$578K Buy
11,600
+3,500
+43% +$180K ﹤0.01% 9522
2021
Q2 		$475K Sell
8,100
-2,000
-20% -$116K ﹤0.01% 10170
2021
Q1 		$591K Buy
+10,100
New +$683K ﹤0.01% 9318

Other funds holding QTRX

Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $125M AUM 91.82% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
ICM
Invenomic Capital Management Boston, Massachusetts $2.18B AUM 0.03% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LCS
Levin Capital Strategies New York $1.49B AUM 30.44% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59.9B AUM 27.01% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Ken Griffin's QTRX Position: Q1 2026 in Review

Ken Griffin reduced its Quanterix (QTRX) stake by 38% in Q1 2026, selling an estimated $219K and leaving 61,001 shares worth $215K. The position accounts for ﹤0.01% of the portfolio, ranked #11277.

Ken Griffin first reported a position in QTRX in Q1 2018 and has held it in 27 quarters since. The position peaked at $7.1M in Q2 2021. 128 funds tracked by Wall St. Rank hold QTRX as of Q1 2026.

  • Ken Griffin held 61,001 shares of Quanterix worth $215K as of Q1 2026.
  • Ken Griffin sold 37,571 Quanterix shares in Q1 2026, an estimated $219K.
  • Quanterix made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #11277 holding.
  • Ken Griffin first reported a position in Quanterix in Q1 2018 and has held it in 27 quarters since.
  • Ken Griffin's Quanterix position peaked at $7.1M in Q2 2021.
  • 128 funds tracked by Wall St. Rank held Quanterix as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.