Sofinnova Investments, Inc.
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1631134
Menlo Park, CA
Position in RYTM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$45,303,237
+$6,158,388 QoQ
Shares Held
408,027
-9.3% QoQ
Ownership
0.593%
of shares outstanding
% of Portfolio
2.42%
of 13F equity value
Holder Rank
#41
of 302 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Derivatives in RYTM
reported options exposure · as of Jun 30, 2025CallValue
$0
CallShares
0
PutValue
$14,217,750
PutShares
225,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Jun 30, 2026Sofinnova Investments, Inc. holds $1,182,454,857 across 43 Biotechnology names. RYTM ranks #8 (3.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VERA |
Vera Therapeutics, Inc.
|
2,793,987 | $119,889,982 | |
| 2 | GMAB |
Genmab A/S
|
4,045,215 | $111,122,056 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
365,341 | $88,036,220 | |
| 4 | RAPP |
Rapport Therapeutics, Inc.
|
1,904,408 | $79,356,681 | |
| 5 | SPTX |
Seaport Therapeutics, Inc.
|
3,564,871 | $77,428,998 | |
| 6 | AVBP |
ArriVent BioPharma, Inc.
|
1,696,752 | $58,945,164 | |
| 7 | RARE |
Ultragenyx Pharmaceutical Inc.
|
1,717,505 | $57,347,491 | |
| 8 | RYTM |
Rhythm Pharmaceuticals, Inc.
This page
|
408,027 | $45,303,237 |
All Filings in RYTM
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $45,303,237 | 408,027 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $39,144,849 | 450,096 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $29,050,013 | 271,394 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $24,941,096 | 246,966 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $14,217,750 | 225,000 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $37,029,971 | 586,010 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $23,669,061 | 446,839 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $22,248,019 | 397,428 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $14,495,160 | 276,678 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||