PRICE T ROWE ASSOCIATES INC /MD/
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 80255
BALTIMORE, MD
Position in RYTM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$143,924,565
-$23,148,497 QoQ
Shares Held
1,654,876
+6.0% QoQ
Ownership
2.41%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
20 quarters on record
Voting authority
Sole 99.9323212131906.ToString("F0")%
Shared 0.ToString("F0")%
None 0.06767878680940445.ToString("F0")%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $13,950,986,356 across 255 Biotechnology names. RYTM ranks #24 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
3,374,955 | $2,464,560,888 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
2,177,527 | $1,682,444,460 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,760,122 | $785,964,877 | |
| 4 | INSM |
INSMED Inc
|
3,092,807 | $505,735,799 | |
| 5 | KYMR |
Kymera Therapeutics, Inc.
|
6,060,847 | $504,807,946 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,432,748 | $474,053,330 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
3,232,213 | $314,332,713 | |
| 8 | SRRK |
Scholar Rock Holding Corp
|
6,206,618 | $305,117,340 |
All Filings in RYTM
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $143,924,565 | 1,654,876 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $167,073,062 | 1,560,847 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $141,375,597 | 1,399,897 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $84,762,560 | 1,341,392 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $63,513,837 | 1,199,053 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $38,354,808 | 685,152 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $28,842,266 | 550,530 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $21,595,177 | 525,942 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $20,864,824 | 481,533 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $26,308,492 | 572,297 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $4,822,319 | 210,352 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,681,177 | 223,237 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $3,060,987 | 171,580 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $413,504 | 14,200 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $399,350 | 16,300 | Shares | Defined | 2022-11-14 | |
| 2022-03-31 | $148,608 | 12,900 | Shares | Sole | 2022-05-16 | |
| 2021-09-30 | $218,258 | 16,712 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $327,220 | 16,712 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $328,940 | 15,465 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $453,977 | 15,270 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||