RENAISSANCE TECHNOLOGIES LLC
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1037389
NEW YORK, NY
Position in RYTM
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$22,439,216
-$14,082,082 QoQ
Shares Held
258,011
-24.4% QoQ
Ownership
0.376%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
12 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026RENAISSANCE TECHNOLOGIES LLC holds $3,447,997,584 across 326 Biotechnology names. RYTM ranks #33 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EXEL |
Exelixis, Inc.
|
13,726,993 | $588,750,729 | |
| 2 | INCY |
Incyte Corp
|
3,651,532 | $343,682,191 | |
| 3 | CORT |
Corcept Therapeutics Inc
|
5,682,783 | $229,072,982 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
421,688 | $188,300,559 | |
| 5 | JAZZ |
Jazz Pharmaceuticals plc
|
819,374 | $154,902,654 | |
| 6 | GMAB |
Genmab A/S
|
4,414,550 | $118,442,376 | |
| 7 | INVA |
Innoviva, Inc.
|
4,055,632 | $94,496,225 | |
| 8 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
1,036,495 | $64,988,236 |
All Filings in RYTM
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $22,439,216 | 258,011 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $36,521,298 | 341,193 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $55,200,427 | 546,593 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $19,898,088 | 314,893 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $747,512 | 14,112 | Shares | Sole | 2025-05-14 | |
| 2022-03-31 | $266,112 | 23,100 | Shares | Sole | 2022-05-13 | |
| 2021-06-30 | $1,022,076 | 52,200 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $1,042,230 | 49,000 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $297,300 | 10,000 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $4,268,990 | 197,000 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $5,260,570 | 235,900 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $1,441,334 | 94,700 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||