Charles Schwab’s Quanterix QTRX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $1.34M | Sell |
310,701
-35,212
| -10% | -$114K | ﹤0.01% | 2914 |
|
|
2026
Q1 | $1.22M | Sell |
345,913
-16,827
| -5% | -$98.2K | ﹤0.01% | 2848 |
|
|
2025
Q4 | $2.31M | Buy |
362,740
+31,494
| +10% | +$196K | ﹤0.01% | 2719 |
|
|
2025
Q3 | $1.8M | Buy |
331,246
+32,257
| +11% | +$172K | ﹤0.01% | 2778 |
|
|
2025
Q2 | $1.99M | Buy |
298,989
+6,184
| +2% | +$34.5K | ﹤0.01% | 2673 |
|
|
2025
Q1 | $1.91M | Buy |
292,805
+26,190
| +10% | +$219K | ﹤0.01% | 2634 |
|
|
2024
Q4 | $2.83M | Sell |
266,615
-58,989
| -18% | -$717K | ﹤0.01% | 2567 |
|
|
2024
Q3 | $4.22M | Sell |
325,604
-2,915
| -0.9% | -$38.9K | ﹤0.01% | 2456 |
|
|
2024
Q2 | $4.34M | Buy |
328,519
+13,136
| +4% | +$220K | ﹤0.01% | 2413 |
|
|
2024
Q1 | $7.43M | Buy |
315,383
+19,572
| +7% | +$485K | ﹤0.01% | 2135 |
|
|
2023
Q4 | $8.09M | Buy |
295,811
+28,784
| +11% | +$678K | ﹤0.01% | 2099 |
|
|
2023
Q3 | $7.25M | Buy |
267,027
+5,981
| +2% | +$148K | ﹤0.01% | 2085 |
|
|
2023
Q2 | $5.89M | Buy |
261,046
+7,160
| +3% | +$128K | ﹤0.01% | 2171 |
|
|
2023
Q1 | $2.86M | Buy |
253,886
+1,101
| +0.4% | +$14.1K | ﹤0.01% | 2424 |
|
|
2022
Q4 | $3.5M | Buy |
252,785
+3,485
| +1% | +$40.1K | ﹤0.01% | 2384 |
|
|
2022
Q3 | $2.75M | Buy |
249,300
+8,710
| +4% | +$111K | ﹤0.01% | 2486 |
|
|
2022
Q2 | $3.9M | Sell |
240,590
-17,128
| -7% | -$352K | ﹤0.01% | 2298 |
|
|
2022
Q1 | $7.52M | Buy |
257,718
+8,614
| +3% | +$263K | ﹤0.01% | 2087 |
|
|
2021
Q4 | $10.6M | Sell |
249,104
-588
| -0.2% | -$27.5K | ﹤0.01% | 1972 |
|
|
2021
Q3 | $12.4M | Buy |
249,692
+32,652
| +15% | +$1.68M | ﹤0.01% | 1879 |
|
|
2021
Q2 | $12.7M | Buy |
217,040
+17,561
| +9% | +$1.02M | ﹤0.01% | 1876 |
|
|
2021
Q1 | $11.7M | Buy |
199,479
+52,644
| +36% | +$3.56M | ﹤0.01% | 1861 |
|
|
2020
Q4 | $6.83M | Buy |
146,835
+3,324
| +2% | +$145K | ﹤0.01% | 2067 |
|
|
2020
Q3 | $4.84M | Buy |
143,511
+39,898
| +39% | +$1.28M | ﹤0.01% | 2077 |
|
|
2020
Q2 | $2.84M | Buy |
103,613
+16,725
| +19% | +$423K | ﹤0.01% | 2294 |
|
|
2020
Q1 | $1.6M | Buy |
86,888
+1,092
| +1% | +$24.9K | ﹤0.01% | 2354 |
|
|
2019
Q4 | $2.03M | Buy |
85,796
+3,964
| +5% | +$90.5K | ﹤0.01% | 2409 |
|
|
2019
Q3 | $1.8M | Buy |
81,832
+18,561
| +29% | +$518K | ﹤0.01% | 2417 |
|
|
2019
Q2 | $2.14M | Buy |
63,271
+11,682
| +23% | +$302K | ﹤0.01% | 2350 |
|
|
2019
Q1 | $1.33M | Buy |
51,589
+2,923
| +6% | +$65.3K | ﹤0.01% | 2470 |
|
|
2018
Q4 | $892K | Sell |
48,666
-3,749
| -7% | -$67.3K | ﹤0.01% | 2574 |
|
|
2018
Q3 | $1.12M | Buy |
52,415
+29,739
| +131% | +$470K | ﹤0.01% | 2587 |
|
|
2018
Q2 | $326K | Buy |
22,676
+774
| +4% | +$13.4K | ﹤0.01% | 2931 |
|
|
2018
Q1 | $374K | Buy |
+21,902
| New | +$439K | ﹤0.01% | 2809 |
|
Other funds holding QTRX
BWLSA
PCM
LCM
Charles Schwab's QTRX Position: Q2 2026 in Review
Charles Schwab reduced its Quanterix (QTRX) stake by 10% in Q2 2026, selling an estimated $114K and leaving 310,701 shares worth $1.34M. The position accounts for ﹤0.01% of the portfolio, ranked #2914.
Charles Schwab first reported a position in QTRX in Q1 2018 and has held it in 34 quarters since. The position peaked at $12.7M in Q2 2021. 133 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.
- Charles Schwab held 310,701 shares of Quanterix worth $1.34M as of Q2 2026.
- Charles Schwab sold 35,212 Quanterix shares in Q2 2026, an estimated $114K.
- Quanterix made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #2914 holding.
- Charles Schwab first reported a position in Quanterix in Q1 2018 and has held it in 34 quarters since.
- Charles Schwab's Quanterix position peaked at $12.7M in Q2 2021.
- 133 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.
Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.