Position in LBRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$54,464,174
+$5,300,649 QoQ
Shares Held
2,208,604
0.0% QoQ
Ownership
7.70%
of shares outstanding
% of Portfolio
0.58%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in LBRX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026RA CAPITAL MANAGEMENT, L.P. holds $9,134,713,488 across 74 Biotechnology names. LBRX ranks #32 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ASND |
Ascendis Pharma A/S
|
10,281,496 | $2,351,686,580 | |
| 2 | PCVX |
Vaxcyte, Inc.
|
11,474,599 | $666,788,947 | |
| 3 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
6,666,837 | $579,814,813 | |
| 4 | TYRA |
Tyra Biosciences, Inc.
|
12,198,625 | $467,207,337 | |
| 5 | SION |
Sionna Therapeutics, Inc.
|
9,905,045 | $397,093,254 | |
| 6 | EWTX |
Edgewise Therapeutics, Inc.
|
10,428,437 | $328,495,765 | |
| 7 | NAMS |
NewAmsterdam Pharma Co N.V.
|
9,550,191 | $305,701,613 | |
| 8 | NUVL |
Nuvalent, Inc.
|
2,534,145 | $259,623,155 |
All Filings in LBRX
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $54,464,174 | 2,208,604 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $49,163,525 | 2,208,604 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $28,058,166 | 1,776,958 | Shares | Sole | 2025-11-14 | |
| 2025-09-12 | $28,140,000 | 1,675,000 | Shares | Sole | 2025-09-19 | |
| No filing history on record for this holder in this stock. | ||||||