RA Capital Nexus Fund II, L.P.
- SEC CIK
- 0001825376
In the past year, 3 open-market purchase filings worth $53.0M and no sales.
Current role at each company
- CLYM Climb Bio, Inc.Directoras of Sep 30, 2026
- FRNM Freenome, Inc.Directoras of Jul 22, 2026
- SPRY ARS Pharmaceuticals, Inc.Directoras of Jun 26, 2026
- ACRV Acrivon Therapeutics, Inc.Directoras of Jun 22, 2026
- PEPG PepGen Inc.Directoras of Jun 22, 2026
Show 10 more companies
- LENZ LENZ Therapeutics, Inc.Directoras of Jun 15, 2026
- JANX Janux Therapeutics, Inc.Directoras of Jun 12, 2026
- ABOS Acumen Pharmaceuticals, Inc.Directoras of Jun 5, 2026
- COAG Hemab Therapeutics Holdings, Inc.Directoras of May 6, 2026
- HOWL Werewolf Therapeutics, Inc.Director, 10% Owneras of May 14, 2025
- ANTX AN2 Therapeutics, Inc.10% Owneras of Aug 13, 2024
- BOLD Boundless Bio, Inc.10% Owneras of Apr 4, 2024
- ICVX Icosavax, Inc.Director, 10% Owneras of Feb 20, 2024
- DICE DICE Therapeutics, Inc.Other: Former 10% owners and Directoras of Aug 9, 2023
- CTKB Cytek Biosciences, Inc.Directoras of Mar 16, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $53.0M
- 3 filings
- Sold
- –
- 0 filings
- Net
- +$53.0M
- Bought minus sold
- Companies
- 2
- With open-market trades
Trades
Every Form 4 that lists RA Capital Nexus Fund II, L.P. as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
COAG Hemab Therapeutics Holdings, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 6, 2026 (view filing)7:16 PM ET | May 4-6 | 2 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +2.84M | $18.39 | +$52.2M | +81.8%6.31M after | 6 lots |
CLYM Climb Bio, Inc.
Director4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 7, 2026 (view filing)4:55 PM ET | Jan 5 | 2 days | RA Capital Healthcare Fund LP and 6 othersDirector, 10% Owner | PPurchase | +7.11K | $3.50 | +$24.9K | +0.2%3.40M after | |
| Dec 15, 2025 (view filing)7:55 PM ET | Dec 11-12 | 4 days | RA Capital Healthcare Fund LP and 6 othersDirector, 10% Owner | PPurchase | +314.6K | $2.40 | +$754.7K | +10.2%3.40M after | 2 lots |
| Jul 1, 2024 (view filing)9:29 PM ET | Jun 27 | 4 days | RA Capital Healthcare Fund LP and 6 othersDirector, 10% Owner | PPurchase | +13.0M | $3.84 | +$50.0M | New position2.87M after | 2 lots |
| Aug 16, 2021 (view filing)4:47 PM ET | Aug 12 | 4 days | RA Capital Healthcare Fund LP and 5 othersDirector, 10% Owner | PPurchase | +3.20M | $12.50 | +$40.0M | New position483.7K after | 2 lots |
PEPG PepGen Inc.
Director3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 (view filing)4:35 PM ET | Sep 26 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +9.38M | $3.20 | +$30.0M | +102.1%18.6M after | |
| Feb 13, 2024 (view filing)4:33 PM ET | Feb 9 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +2.56M | $10.64 | +$27.2M | +38.6%9.18M after | |
| May 12, 2022 (view filing)7:06 PM ET | May 10 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +3.23M | $12.00 | +$38.8M | New position1.30M after | 2 lots |
HOWL Werewolf Therapeutics, Inc.
Director, 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 14, 2025 (view filing)6:08 PM ET | May 12-14 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +536.4K | $0.9082 | +$487.2K | +9.4%6.24M after | 3 lots |
JANX Janux Therapeutics, Inc.
Director5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 7, 2025 (view filing)6:05 PM ET | Mar 5-7 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +824.0K | $30.75 | +$25.3M | +8.8%10.1M after | 4 lots |
| Oct 22, 2024 (view filing)4:20 PM ET | Oct 18 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.20M | $44.75 | +$53.7M | +14.8%9.32M after | |
| Mar 6, 2024 (view filing)4:15 PM ET | Mar 4 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.40M | $46.50 | +$65.0M | –1.40M after | Derivative |
| Jul 21, 2023 (view filing)4:31 PM ET | Jul 19 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +495.0K | $12.46 | +$6.17M | +6.5%8.12M after | |
| Jul 21, 2023 (view filing)4:31 PM ET | Jul 19 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +503.2K | $12.46 | +$6.27M | –503.2K after | Derivative |
ANTX AN2 Therapeutics, Inc.
10% Owner7 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 13, 2024 (view filing)5:03 PM ET | Aug 9 | 4 days | RA Capital Healthcare Fund LP and 4 others10% Owner | SSale | −3.53M | $1.08 | −$3.81M | −92.1%300.9K after | 2 lots |
| Aug 22, 2023 (view filing)5:01 PM ET | Aug 18 | 4 days | RA Capital Healthcare Fund LP and 4 others10% Owner | PPurchase | +1.78M | $9.00 | +$16.0M | +52.9%5.14M after | |
| Aug 5, 2022 (view filing)4:06 PM ET | Aug 3-4 | 2 days | RA Capital Healthcare Fund LP and 4 others10% Owner | PPurchase | +1.91K | $7.51 | +$14.3K | +0.1%3.77M after | 2 lots |
| Jul 28, 2022 (view filing)5:16 PM ET | Jul 26-27 | 2 days | RA Capital Healthcare Fund LP and 4 others10% Owner | PPurchase | +23.2K | $7.78 | +$180.7K | +0.6%3.77M after | 2 lots |
| Jun 23, 2022 (view filing)4:31 PM ET | Jun 21 | 2 days | RA Capital Healthcare Fund LP and 4 others10% Owner | PPurchase | +302 | $7.99 | +$2.41K | 0.0%3.75M after | |
| Jun 15, 2022 (view filing)4:25 PM ET | Jun 13-14 | 2 days | RA Capital Healthcare Fund LP and 4 others10% Owner | PPurchase | +81.4K | $7.95 | +$647.4K | +2.2%3.75M after | 2 lots |
| Mar 31, 2022 (view filing)4:31 PM ET | Mar 29 | 2 days | RA Capital Healthcare Fund LP and 4 others10% Owner | PPurchase | +1.67M | $15.00 | +$25.0M | New position415.6K after | 2 lots |
BOLD Boundless Bio, Inc.
10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 4, 2024 (view filing)4:15 PM ET | Apr 2 | 2 days | RA Capital Healthcare Fund LP and 4 others10% Owner | PPurchase | +312.5K | $16.00 | +$5.00M | New position295.8K after | 2 lots |
SPRY ARS Pharmaceuticals, Inc.
Director3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 27, 2024 (view filing)7:37 PM ET | Mar 25-27 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +1.40M | $9.48 | +$13.3M | +16.4%9.96M after | 3 lots |
| Sep 25, 2023 (view filing)4:30 PM ET | Sep 21 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +2.70M | $3.03 | +$8.18M | +46.1%8.56M after | 2 lots |
| Aug 31, 2023 (view filing)5:26 PM ET | Aug 29 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +3.75M | $6.20 | +$23.3M | +178.0%5.86M after |
LENZ LENZ Therapeutics, Inc.
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 25, 2024 (view filing)8:48 PM ET | Mar 21 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +933.0K | $15.03 | +$14.0M | +39.1%3.32M after | |
| Mar 25, 2024 (view filing)8:48 PM ET | Mar 21 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchaseCommon Stockj | +65.0K | $15.03 | +$976.5K | +10.3%694.8K after |
ABOS Acumen Pharmaceuticals, Inc.
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 25, 2023 (view filing)4:30 PM ET | Jul 21 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +5.16M | $7.75 | +$40.0M | +65.5%13.0M after | |
| Jul 8, 2021 (view filing)4:32 PM ET | Jul 6 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.88M | $16.00 | +$30.0M | New position1.30M after | 2 lots |
DICE DICE Therapeutics, Inc.
Other: Former 10% owners and Director4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 30, 2023 (view filing)5:03 PM ET | Mar 28-30 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +509.1K | $29.07 | +$14.8M | +7.8%7.07M after | 3 lots |
| Mar 27, 2023 (view filing)5:01 PM ET | Mar 23-27 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +498.6K | $26.99 | +$13.5M | +8.2%6.56M after | 3 lots |
| Oct 19, 2022 (view filing)4:32 PM ET | Oct 17 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.64M | $36.50 | +$59.9M | +31.5%6.85M after | |
| Sep 20, 2021 (view filing)4:30 PM ET | Sep 17 | 3 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +1.40M | $17.00 | +$23.8M | New position786.4K after | 2 lots |
ACRV Acrivon Therapeutics, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 21, 2022 (view filing)4:31 PM ET | Nov 17 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +3.39M | $12.50 | +$42.4M | +340.8%4.38M after |
ICVX Icosavax, Inc.
Director, 10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 30, 2022 (view filing)4:31 PM ET | Mar 28-29 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +184.2K | $4.54 | +$836.9K | +3.2%5.96M after | 2 lots |
| Aug 4, 2021 (view filing)4:31 PM ET | Aug 2 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +2.67M | $15.00 | +$40.0M | New position638.7K after | 2 lots |
CTKB Cytek Biosciences, Inc.
Director8 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 16, 2022 (view filing)5:10 PM ET | Mar 14-15 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +583.9K | $12.31 | +$7.19M | +4.6%13.4M after | 2 lots |
| Mar 11, 2022 (view filing)5:27 PM ET | Mar 9-11 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +634.6K | $12.86 | +$8.16M | +5.2%12.8M after | 3 lots |
| Mar 8, 2022 (view filing)4:59 PM ET | Mar 4-8 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +647.3K | $12.74 | +$8.25M | +5.6%12.2M after | 3 lots |
| Mar 2, 2022 (view filing)5:29 PM ET | Feb 28-Mar 2 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +441.9K | $12.95 | +$5.72M | +4.0%11.5M after | 3 lots |
| Feb 25, 2022 (view filing)5:43 PM ET | Feb 23-25 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +420.4K | $13.23 | +$5.56M | +3.9%11.1M after | 3 lots |
| Feb 22, 2022 (view filing)5:22 PM ET | Feb 17-22 | 5 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +547.4K | $14.06 | +$7.70M | +5.4%10.7M after | 3 lots |
| Feb 16, 2022 (view filing)7:39 PM ET | Feb 14-16 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +498.6K | $14.89 | +$7.43M | +5.2%10.1M after | 3 lots |
| Jul 29, 2021 (view filing)4:30 PM ET | Jul 27 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector | PPurchase | +2.95M | $17.00 | +$50.1M | New position1.19M after | 2 lots |