CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in DYN — Dyne Therapeutics, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in DYN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$21,001,610
-$1,518,307 QoQ
Shares Held
1,158,390
+0.6% QoQ
Ownership
0.811%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in DYN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $6,184,692,793 across 287 Biotechnology names. DYN ranks #58 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,920,871 | $857,745,736 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
804,508 | $621,595,061 | |
| 3 | MRNA |
Moderna, Inc.
|
4,734,356 | $240,505,284 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
673,356 | $222,793,299 | |
| 5 | INSM |
INSMED Inc
|
1,069,390 | $174,866,652 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
1,735,476 | $168,775,041 | |
| 7 | INCY |
Incyte Corp
|
1,729,102 | $162,743,080 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
1,976,094 | $146,744,740 |
All Filings in DYN
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $21,001,610 | 1,158,390 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $22,519,917 | 1,151,325 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $12,741,004 | 1,007,194 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $7,093,075 | 745,071 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $6,842,210 | 654,131 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $15,725,169 | 667,452 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $23,299,579 | 648,652 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $21,211,477 | 601,062 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $13,102,609 | 461,522 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $4,409,854 | 331,568 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $2,915,324 | 325,371 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $3,207,611 | 285,121 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $2,621,767 | 227,584 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $2,644,165 | 228,142 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $2,824,911 | 222,434 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,230,781 | 179,153 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,855,478 | 192,477 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $2,241,966 | 188,559 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $2,991,131 | 184,183 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $3,190,211 | 151,626 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,902,300 | 122,492 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,727,796 | 82,276 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||