CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1081019
WEST SACRAMENTO, CA
Position in RYTM
as of Jun 30, 2026
· filed Aug 24, 2026
Position Value
$7,109,361
+$1,386,214 QoQ
Shares Held
64,031
-2.7% QoQ
Ownership
0.093%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
26 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, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,007,510,813 across 262 Biotechnology names. RYTM ranks #28 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
383,491 | $190,491,484 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
156,724 | $97,723,682 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
199,861 | $60,164,156 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
238,463 | $44,659,350 | |
| 5 | RPRX |
Royalty Pharma plc
|
699,205 | $39,204,424 | |
| 6 | INSM |
INSMED Inc
|
304,798 | $32,497,562 | |
| 7 | INCY |
Incyte Corp
|
249,988 | $28,338,639 | |
| 8 | MRNA |
Moderna, Inc.
|
395,278 | $27,681,318 |
All Filings in RYTM
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,109,361 | 64,031 | Shares | Sole | 2026-08-24 | |
| 2026-03-31 | $5,723,147 | 65,806 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $5,730,600 | 53,537 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $4,941,844 | 48,934 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $2,711,925 | 42,917 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,262,931 | 42,721 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,436,977 | 43,533 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $2,300,759 | 43,916 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $1,837,722 | 44,757 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $2,075,247 | 47,894 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $2,252,392 | 48,997 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $1,181,416 | 51,534 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $940,408 | 57,029 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $935,208 | 52,422 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $1,028,110 | 35,306 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $796,740 | 32,520 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $132,575 | 31,946 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $560,459 | 48,651 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $533,820 | 53,489 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $685,545 | 52,492 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $1,189,269 | 60,739 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,222,705 | 57,485 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $1,506,865 | 50,685 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $1,098,343 | 50,685 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $1,130,275 | 50,685 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $689,283 | 45,288 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||