Yorktown Management & Research Co Inc
Position in RYTM — Rhythm Pharmaceuticals, Inc.
CIK 1313559
Forest, VA
Position in RYTM
as of Jun 30, 2026
· filed Jul 23, 2026
Position Value
$366,399
+$39,927 QoQ
Shares Held
3,300
+8.2% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
#206
of 299 holders
Holding Since
Dec 2025
2 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, 2026Yorktown Management & Research Co Inc holds $14,366,429 across 28 Biotechnology names. RYTM ranks #18 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AXSM |
Axsome Therapeutics, Inc.
|
4,850 | $1,187,134 | |
| 2 | INSM |
INSMED Inc
|
7,925 | $844,963 | |
| 3 | DNLI |
Denali Therapeutics Inc.
|
32,100 | $825,612 | |
| 4 | BEAM |
Beam Therapeutics Inc.
|
22,550 | $773,916 | |
| 5 | TGTX |
Tg Therapeutics, Inc.
|
13,700 | $752,678 | |
| 6 | KRYS |
Krystal Biotech, Inc.
|
2,000 | $743,340 | |
| 7 | CYTK |
Cytokinetics Inc
|
7,750 | $660,222 | |
| 8 | MIRM |
Mirum Pharmaceuticals, Inc.
|
5,600 | $655,592 |
All Filings in RYTM
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $366,399 | 3,300 | Shares | Sole | 2026-07-23 | |
| 2025-12-31 | $326,472 | 3,050 | Shares | Sole | 2026-01-23 | |
| No filing history on record for this holder in this stock. | ||||||