CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in QTRX — Quanterix Corp
CIK 884546
SAN FRANCISCO, CA
Position in QTRX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,342,228
+$124,615 QoQ
Shares Held
310,701
-10.2% QoQ
Ownership
0.657%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#21
of 132 holders
Holding Since
Mar 2020
26 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 Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $9,357,274,568 across 81 Medical Devices names. QTRX ranks #64 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
59,674,507 | $5,414,864,764 | |
| 2 | MDT |
Medtronic plc
|
8,905,319 | $696,663,105 | |
| 3 | SYK |
Stryker Corp
|
2,148,933 | $676,570,065 | |
| 4 | BSX |
Boston Scientific Corp
|
9,223,151 | $393,644,084 | |
| 5 | EW |
Edwards Lifesciences Corp
|
3,693,034 | $334,071,855 | |
| 6 | DXCM |
Dexcom Inc
|
3,439,164 | $231,627,694 | |
| 7 | GEHC |
GE HealthCare Technologies Inc.
|
3,129,530 | $200,321,215 | |
| 8 | STE |
STERIS plc
|
666,633 | $140,372,910 |
All Filings in QTRX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,342,228 | 310,701 | Shares | Sole | 2026-08-14 | |
| 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. | ||||||