Tower Research Capital LLC (TRC)
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1533421
NEW YORK, NY
Position in RYTM
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$229,499
-$441,474 QoQ
Shares Held
2,067
-73.2% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#220
of 299 holders
Holding Since
Jun 2020
25 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, 2026Tower Research Capital LLC (TRC) holds $49,473,308 across 466 Biotechnology names. RYTM ranks #43 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
4,547 | $4,218,570 | |
| 2 | BBIO |
BridgeBio Pharma, Inc.
|
38,206 | $2,845,582 | |
| 3 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
34,537 | $2,815,110 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
4,292 | $2,131,964 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
3,927 | $2,108,602 | |
| 6 | AXSM |
Axsome Therapeutics, Inc.
|
6,437 | $1,575,584 | |
| 7 | INSM |
INSMED Inc
|
10,927 | $1,165,036 | |
| 8 | ROIV |
Roivant Sciences Ltd.
|
32,746 | $1,158,880 |
All Filings in RYTM
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $229,499 | 2,067 | Shares | Defined | 2026-08-11 | |
| 2026-03-31 | $670,973 | 7,715 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $317,052 | 2,962 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $177,035 | 1,753 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $386,153 | 6,111 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $56,042 | 1,058 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $254,092 | 4,539 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $19,803 | 378 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $407,520 | 9,925 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $23,354 | 539 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $446,275 | 9,708 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $21,640 | 944 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $61,836 | 3,750 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $307,079 | 17,213 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $400,399 | 13,750 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $207,612 | 8,474 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $24,086 | 5,804 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $397,531 | 34,508 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $25,129 | 2,518 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $41,751 | 3,197 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $73,131 | 3,735 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $48,367 | 2,274 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $23,308 | 784 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $43,708 | 2,017 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $62,083 | 2,784 | Shares | Defined | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||