RA Capital Nexus Fund II, L.P. (CIK 0001825376)

Latest company ownership

Shares held
13,381,054
Last filed at
Mar 16, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
CLYM - Climb Bio, Inc.
Role: Director
Shares held
2,551,263
Last filed at
Jul 1, 2024
Confidence Score
27.5
2025Q4
Confidence Score History
2021Q3 2025Q4
PEPG - PepGen Inc.
Role: Director
Shares held
1,510,272
Last filed at
Sep 30, 2025
Confidence Score
59.4
2025Q4
Confidence Score History
2022Q2 2025Q4
Shares held
902,904
Last filed at
Nov 10, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4
Shares held
300,853
Last filed at
Aug 13, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q1 2025Q4
BOLD - Boundless Bio, Inc.
Role: 10% Owner
Shares held
126,373
Last filed at
Apr 4, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q2 2025Q4
Shares held
27,000
Last filed at
Mar 25, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q1 2025Q4
Shares held
25,000
Last filed at
Jun 10, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
20,275
Last filed at
Jun 24, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q4 2025Q4
Shares held
17,500
Last filed at
May 24, 2024
Confidence Score
52.0
2025Q4
Confidence Score History
2025Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 11, 2025 Dec 15, 2025 Climb Bio, Inc. Director Buy 20.0 -20,125,439 -85.56% ✗ $754.7K
Sep 26, 2025 Sep 30, 2025 PepGen Inc. Director Buy 100.0 +9,375,000 102.13% ✗ $30M
May 12, 2025 May 14, 2025 Werewolf Therapeutics, Inc. Director Buy 92.5 +536,426 9.41% ✗ $487.2K
Mar 5, 2025 Mar 7, 2025 Janux Therapeutics, Inc. Director Buy 97.5 +824,041 8.84% ✗ $25.3M
Oct 18, 2024 Oct 22, 2024 Janux Therapeutics, Inc. Director Buy 100.0 +1,200,000 14.78% ✗ $53.7M
Aug 9, 2024 Aug 13, 2024 AN2 Therapeutics, Inc. 10% Owner Sell 17.5 -3,525,094 -63.50% ✗ $3.8M
Jun 27, 2024 Jul 1, 2024 Climb Bio, Inc. Director Buy 100.0 +18,268,418 76.18% ✗ $50M
Apr 2, 2024 Apr 4, 2024 Boundless Bio, Inc. 10% Owner Buy 100.0 +312,500 16.73% ✗ $5M
Mar 25, 2024 Mar 27, 2024 ARS Pharmaceuticals, Inc. Director Buy 100.0 +1,401,299 16.38% ✗ $13.3M
Mar 21, 2024 Mar 25, 2024 LENZ Therapeutics, Inc. Director Buy 100.0 +4,243,794 140.71% ✗ $15M
Feb 9, 2024 Feb 13, 2024 PepGen Inc. Director Buy 100.0 +2,557,593 38.62% ✗ $27.2M
Sep 21, 2023 Sep 25, 2023 ARS Pharmaceuticals, Inc. Director Buy 100.0 +2,700,000 46.10% ✗ $8.2M
Aug 29, 2023 Aug 31, 2023 ARS Pharmaceuticals, Inc. Director Buy 100.0 +3,750,000 178.00% ✗ $23.3M
Aug 18, 2023 Aug 22, 2023 AN2 Therapeutics, Inc. 10% Owner Buy 100.0 +1,777,778 52.94% ✗ $16M
Jul 21, 2023 Jul 25, 2023 Acumen Pharmaceuticals, Inc. Director Buy 100.0 +5,161,290 65.48% ✗ $40M
Jul 19, 2023 Jul 21, 2023 Janux Therapeutics, Inc. Director Buy 96.3 +495,008 6.49% ✗ $6.2M
Nov 17, 2022 Nov 21, 2022 Acrivon Therapeutics, Inc. Director Buy 100.0 +3,389,500 340.75% ✗ $42.4M
Aug 3, 2022 Aug 5, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 48.8 +1,909 0.03% ✗ $14.3K
Jul 26, 2022 Jul 28, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 72.5 +23,219 0.62% ✗ $180.7K
Jun 21, 2022 Jun 23, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 47.5 +302 0.01% ✗ $2.4K
Jun 13, 2022 Jun 15, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 85.0 +81,424 2.22% ✗ $647.4K
May 10, 2022 May 12, 2022 PepGen Inc. Director Buy 100.0 +3,229,200 68.78% ✗ $38.8M
Mar 29, 2022 Mar 31, 2022 AN2 Therapeutics, Inc. 10% Owner Buy 100.0 +1,666,666 83.33% ✗ $25M
Mar 14, 2022 Mar 16, 2022 Cytek Biosciences, Inc. Director Buy 93.8 +583,870 4.56% ✓ $7.2M
Mar 9, 2022 Mar 11, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +634,638 5.22% ✓ $8.2M
Mar 4, 2022 Mar 8, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +647,264 5.62% ✓ $8.2M
Feb 28, 2022 Mar 2, 2022 Cytek Biosciences, Inc. Director Buy 93.8 +441,865 3.99% ✓ $5.7M
Feb 23, 2022 Feb 25, 2022 Cytek Biosciences, Inc. Director Buy 93.8 +420,380 3.95% ✓ $5.6M
Feb 17, 2022 Feb 22, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +547,380 5.42% ✓ $7.7M
Feb 14, 2022 Feb 16, 2022 Cytek Biosciences, Inc. Director Buy 96.3 +498,629 5.19% ✓ $7.4M
Aug 12, 2021 Aug 16, 2021 Climb Bio, Inc. Director Buy 100.0 +3,200,000 40.59% ✗ $40M
Jul 27, 2021 Jul 29, 2021 Cytek Biosciences, Inc. Director Buy 100.0 +2,950,000 47.97% ✗ $50.2M
Jul 6, 2021 Jul 8, 2021 Acumen Pharmaceuticals, Inc. Director Buy 100.0 +1,875,000 25.66% ✗ $30M