Position in ABOS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$56,050,426
+$6,507,728 QoQ
Shares Held
20,992,669
0.0% QoQ
Ownership
29.0%
of shares outstanding
% of Portfolio
0.49%
of 13F equity value
Holder Rank
#1
of 96 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ABOS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026RA CAPITAL MANAGEMENT, L.P. holds $11,082,969,028 across 75 Biotechnology names. ABOS ranks #36 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ASND |
Ascendis Pharma A/S
|
10,281,496 | $2,742,280,613 | |
| 2 | PBLS |
Parabilis Medicines, Inc.
|
28,933,371 | $791,906,364 | |
| 3 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
6,666,837 | $740,218,912 | |
| 4 | PCVX |
Vaxcyte, Inc.
|
11,474,599 | $667,018,439 | |
| 5 | SION |
Sionna Therapeutics, Inc.
|
9,905,045 | $435,722,929 | |
| 6 | TYRA |
Tyra Biosciences, Inc.
|
12,198,625 | $389,624,082 | |
| 7 | EWTX |
Edgewise Therapeutics, Inc.
|
8,392,730 | $340,996,619 | |
| 8 | NAMS |
NewAmsterdam Pharma Co N.V.
|
9,883,524 | $330,779,298 |
All Filings in ABOS
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $56,050,426 | 20,992,669 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $49,542,698 | 20,992,669 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $31,506,652 | 14,932,063 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $25,533,827 | 14,932,063 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $17,321,193 | 14,932,063 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $16,425,269 | 14,932,063 | Shares | Sole | 2025-05-15 | |
| 2025-03-27 | $18,469,757 | 15,016,063 | Shares | Sole | 2025-03-31 | |
| 2024-12-31 | $25,683,148 | 14,932,063 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $37,031,516 | 14,932,063 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $36,135,592 | 14,932,063 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $60,474,855 | 14,932,063 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $57,339,121 | 14,932,063 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $61,968,061 | 14,932,063 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $46,997,418 | 9,770,773 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $39,669,338 | 9,770,773 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $52,762,174 | 9,770,773 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $98,000,853 | 9,770,773 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $45,922,633 | 9,770,773 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $38,203,722 | 9,770,773 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $66,050,425 | 9,770,773 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $145,193,686 | 9,770,773 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||