CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in QTRX — Quanterix Corp
CIK 884546
SAN FRANCISCO, CA
Position in QTRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,217,613
-$1,089,413 QoQ
Shares Held
345,913
-4.6% QoQ
Ownership
0.734%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in QTRX Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $8,744,665,777 across 86 Medical Devices names. QTRX ranks #58 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
45,500,055 | $4,671,490,646 | |
| 2 | MDT |
Medtronic plc
|
8,607,355 | $745,827,310 | |
| 3 | SYK |
Stryker Corp
|
2,120,239 | $696,689,333 | |
| 4 | BSX |
Boston Scientific Corp
|
9,170,180 | $575,428,795 | |
| 5 | EW |
Edwards Lifesciences Corp
|
3,557,088 | $284,851,607 | |
| 6 | GEHC |
GE HealthCare Technologies Inc.
|
3,157,026 | $224,717,110 | |
| 7 | DXCM |
Dexcom Inc
|
3,175,299 | $199,408,777 | |
| 8 | STE |
STERIS plc
|
656,428 | $145,155,923 |
All Filings in QTRX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,217,613 | 345,913 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,307,026 | 362,740 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $1,798,665 | 331,246 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $1,988,276 | 298,989 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,906,160 | 292,805 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $2,834,117 | 266,615 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $4,219,827 | 325,604 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $4,339,735 | 328,519 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $7,430,423 | 315,383 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $8,087,472 | 295,811 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $7,247,112 | 267,027 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $5,886,587 | 261,046 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $2,861,295 | 253,886 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $3,501,072 | 252,785 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $2,747,286 | 249,300 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,895,152 | 240,590 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $7,522,788 | 257,718 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $10,562,009 | 249,104 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $12,432,164 | 249,692 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $12,731,566 | 217,040 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $11,663,537 | 199,479 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $6,827,827 | 146,835 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $4,842,061 | 143,511 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $2,837,960 | 103,613 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $1,596,132 | 86,888 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||