RA CAPITAL MANAGEMENT, L.P.
Total Volume
$724.0M
50 filings
Purchases
$578.8M
44 buy txns
Sales
$86.3M
25 sell txns
Net Activity
$492.6M
net bought
Profile
- Filings
- 50
- Buy transactions
- 44
- Sell transactions
- 25
- Companies
- 20
- Active
- 2026
Across 50 filings between 2026, RA CAPITAL MANAGEMENT, L.P. has disclosed $724.0M in transactions — spread across 20 companies. Their disclosed trades are heavily weighted toward buying — $578.8M in buys and $86.3M in sells. The largest single open-market purchase on record is $423.8M in Parabilis Medicines, Inc.. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Parabilis Medicines, Inc. (PBLS)
4 filings
$431.1M
$430.7M bought
Artiva Biotherapeutics, Inc. (ARTV)
12 filings
$93.0M
$92.7M bought
Septerna, Inc. (SEPN)
2 filings
$64.0M
Hemab Therapeutics Holdings, Inc. (COAG)
5 filings
$55.5M
$55.5M bought
Freenome, Inc. (FRNM)
2 filings
$52.6M
Sionna Therapeutics, Inc. (SION)
2 filings
$22.5M
Climb Bio, Inc. (CLYM)
3 filings
$1.8M
Werewolf Therapeutics, Inc. (HOWL)
4 filings
$963.9K
Vor Biopharma Inc. (VOR)
3 filings
$823.6K
Tyra Biosciences, Inc. (TYRA)
2 filings
$439.1K
Bicara Therapeutics Inc. (BCAX)
1 filing
$400.4K
ARS Pharmaceuticals, Inc. (SPRY)
1 filing
$316.2K
Janux Therapeutics, Inc. (JANX)
1 filing
$211.7K
LENZ Therapeutics, Inc. (LENZ)
1 filing
$146.5K
Acumen Pharmaceuticals, Inc. (ABOS)
1 filing
$121.9K
Nkarta, Inc. (NKTX)
1 filing
$91.0K
PepGen Inc. (PEPG)
1 filing
$60.9K
Acrivon Therapeutics, Inc. (ACRV)
1 filing
$30.8K
Inhibikase Therapeutics, Inc. (IKT)
2 filings
$18.0K
Solid Biosciences Inc. (SLDB)
1 filing
$0
Trading History
| Sep 30 | CLYM Climb Bio, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Exercise | $390.2K |
| Sep 21 | SION Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $21.8M |
| Sep 17 | TYRA Tyra Biosciences, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Other | $9.1K |
| Sep 14 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $169.3K |
| Sep 8 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $149.6K |
| Aug 26 | VOR Vor Biopharma Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Exercise | $5.6K |
| Aug 14 | SEPN Septerna, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $63.5M |
| Jul 31 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $455.7K |
| Jul 31 | IKT Inhibikase Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Other | $18.0K |
| Jul 28 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $412.8K |
| Jul 23 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $2.6M |
| Jul 23 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $58.3K |
| Jul 22 | FRNM Freenome, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Grant | $52.6M |
| Jul 22 | FRNM Freenome, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Other | $0 |
| Jul 22 | PBLS Parabilis Medicines, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $6.9M |
| Jul 21 | VOR Vor Biopharma Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $4.2K |
| Jul 20 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $1.4M |
| Jul 17 | IKT Inhibikase Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Other | $0 |
| Jul 14 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $194.0K |
| Jul 1 | CLYM Climb Bio, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $939.0K |
| Jun 30 | SEPN Septerna, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $560.1K |
| Jun 29 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $292.1K |
| Jun 26 | SPRY ARS Pharmaceuticals, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $316.2K |
| Jun 24 | SLDB Solid Biosciences Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Other | $0 |
| Jun 22 | HOWL Werewolf Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $145.9K |
| Jun 22 | PEPG PepGen Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $60.9K |
| Jun 22 | ACRV Acrivon Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $30.8K |
| Jun 18 | SION Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $636.9K |
| Jun 17 | COAG Hemab Therapeutics Holdings, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $1.7M |
| Jun 16 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $4.6M |
| Jun 16 | HOWL Werewolf Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $173.8K |
| Jun 15 | LENZ LENZ Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $146.5K |
| Jun 15 | PBLS Parabilis Medicines, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $423.8M |
| Jun 12 | JANX Janux Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Grant | $211.7K |
| Jun 12 | VOR Vor Biopharma Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $805.4K |
| Jun 11 | HOWL Werewolf Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $253.6K |
| Jun 11 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $7.7M |
| Jun 11 | PBLS Parabilis Medicines, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $404.3K |
| Jun 11 | NKTX Nkarta, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $91.0K |
| Jun 10 | BCAX Bicara Therapeutics Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $400.4K |
| Jun 9 | PBLS Parabilis Medicines, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Other | $0 |
| Jun 8 | CLYM Climb Bio, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $422.0K |
| Jun 5 | ABOS Acumen Pharmaceuticals, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Grant | $121.9K |
| Jun 1 | TYRA Tyra Biosciences, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $430.1K |
| May 21 | COAG Hemab Therapeutics Holdings, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $119.8K |
| May 14 | COAG Hemab Therapeutics Holdings, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $159.0K |
| May 13 | ARTV Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $75.0M |
| May 12 | HOWL Werewolf Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $390.7K |
| May 11 | COAG Hemab Therapeutics Holdings, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $1.3M |
| May 6 | COAG Hemab Therapeutics Holdings, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Buy | $52.2M |
50 filings+