PRICE T ROWE ASSOCIATES INC /MD/
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 80255
BALTIMORE, MD
Position in RYTM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$284,921,965
+$140,997,400 QoQ
Shares Held
2,566,171
+55.1% QoQ
Ownership
3.73%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#10
of 299 holders
Holding Since
Dec 2020
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $17,555,963,376 across 304 Biotechnology names. RYTM ranks #14 (1.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
2,678,047 | $2,484,611,664 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,529,709 | $953,834,749 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,728,421 | $858,558,562 | |
| 4 | KYMR |
Kymera Therapeutics, Inc.
|
7,112,980 | $815,645,416 | |
| 5 | RPRX |
Royalty Pharma plc
|
11,193,657 | $627,628,347 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
2,969,853 | $447,655,945 | |
| 7 | MRNA |
Moderna, Inc.
|
5,589,560 | $391,436,886 | |
| 8 | SRRK |
Scholar Rock Holding Corp
|
6,794,837 | $373,716,035 |
All Filings in RYTM
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $284,921,965 | 2,566,171 | Shares | Sole | 2026-08-14 | |
| 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. | ||||||