RA Capital Nexus Fund, L.P.

Director at Icosavax, Inc. · on record since Jun 8, 2023
10% owner at Icosavax, Inc. · on record since Jun 8, 2023
Director at Black Diamond Therapeutics, Inc. · on record since Jul 7, 2023
Director at Vor Biopharma Inc. · on record since May 28, 2024
10% owner at Vor Biopharma Inc. · on record since May 28, 2024
Director at Sionna Therapeutics, Inc. · on record since Feb 10, 2025
Director at Freenome, Inc. · on record since Jul 22, 2026
Director at Climb Bio, Inc. · on record since Apr 29, 2026
Director at Artiva Biotherapeutics, Inc. · on record since May 13, 2026
Director at Tyra Biosciences, Inc. · on record since Jun 1, 2026
Director at Nkarta, Inc. · on record since Jun 11, 2026
10% owner at Akouos, Inc. · on record since Jun 25, 2020
Director at Jade Biosciences, Inc. · on record since Jun 29, 2021
10% owner at Tyra Biosciences, Inc. · on record since Sep 17, 2021
10% owner at Climb Bio, Inc. · on record since Aug 16, 2021
10% owner at Nkarta, Inc. · on record since Apr 28, 2022
10% owner at Jade Biosciences, Inc. · on record since Jun 22, 2022
Director at 89bio, Inc. · on record since Jun 2, 2022
10% owner at · on record since Jun 2, 2022
Director at · on record since Dec 15, 2022
10% owner at · on record since Dec 15, 2022

Insider trading activity of RA Capital Nexus Fund, L.P.

Transactions on record: 21; since Sep 17, 2021

Open-market buys: 4; $44M

Open-market sells: 5; $3.4M

Companies traded: 5; last filing Oct 22, 2025

Figures computed from official regulatory filings — .

Companies where RA Capital Nexus Fund, L.P. has traded

5 tx · $3.4M · Oct 22, 2025
1 tx · Jun 7, 2024
2 tx · $5M · Jan 12, 2024
10 tx · $20M · Jun 2, 2023
3 tx · $19M · Oct 20, 2022

Track record of RA Capital Nexus Fund, L.P.

Statistical track record

Free account

Open-market buys: 5

Last buy: Jan 11, 2024

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of RA Capital Nexus Fund, L.P.

Co-insiders of RA Capital Nexus Fund, L.P.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-6,553	30.12 USD	$197.4K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-1,287	30.12 USD	$38.8K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-25,027	28.11 USD	$703.5K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-13,817	29.63 USD	$409.4K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-70,366	29.63 USD	$2.1M		SEC
Jade Biosciences, Inc.Listing unverified	Jun 7, 2024	AwardD (derivative)	12,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Solid Biosciences Inc.Listing on record	Jan 12, 2024	Buy	904,160	5.53 USD	$5M	conv 37First in 12mo	SEC
Tyra Biosciences, Inc.Listing on record	Jun 2, 2023	AwardD (derivative)	14,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Solid Biosciences Inc.Listing on record	Dec 15, 2022	AwardD (derivative)	9,650	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
89bio, Inc.Listing unverified	Oct 20, 2022	Buy	1,172,741	7.65 USD	$9M	conv 18	SEC
89bio, Inc.Listing unverified	Jul 6, 2022	BuyD (derivative)	2,816,900	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
89bio, Inc.Listing unverified	Jul 6, 2022	Buy	2,816,900	3.55 USD	$10M	conv 50	SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Other	1,496,613	—	n/a (No price was disclosed in the filing)		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-182,257	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-170,448	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-393,940	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-1,011,370	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Other	4,047,120	—	n/a (No price was disclosed in the filing)		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Other	442,721	—	n/a (No price was disclosed in the filing)		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-546,773	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Buy	1,250,000	16.00 USD	$20M	conv 54ClusterFirst in 12mo	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-6,553	30.12 USD	$197.4K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-1,287	30.12 USD	$38.8K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-25,027	28.11 USD	$703.5K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-13,817	29.63 USD	$409.4K		SEC
Vor Biopharma Inc.Listing on record	Oct 22, 2025	Sell	-70,366	29.63 USD	$2.1M		SEC
Jade Biosciences, Inc.Listing unverified	Jun 7, 2024	AwardD (derivative)	12,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Solid Biosciences Inc.Listing on record	Jan 12, 2024	Buy	904,160	5.53 USD	$5M	conv 37First in 12mo	SEC
Tyra Biosciences, Inc.Listing on record	Jun 2, 2023	AwardD (derivative)	14,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Solid Biosciences Inc.Listing on record	Dec 15, 2022	AwardD (derivative)	9,650	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
89bio, Inc.Listing unverified	Oct 20, 2022	Buy	1,172,741	7.65 USD	$9M	conv 18	SEC
89bio, Inc.Listing unverified	Jul 6, 2022	BuyD (derivative)	2,816,900	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
89bio, Inc.Listing unverified	Jul 6, 2022	Buy	2,816,900	3.55 USD	$10M	conv 50	SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Other	1,496,613	—	n/a (No price was disclosed in the filing)		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-182,257	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-170,448	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-393,940	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-1,011,370	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Other	4,047,120	—	n/a (No price was disclosed in the filing)		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Other	442,721	—	n/a (No price was disclosed in the filing)		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	OtherD (derivative)	-546,773	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Tyra Biosciences, Inc.Listing on record	Sep 17, 2021	Buy	1,250,000	16.00 USD	$20M	conv 54ClusterFirst in 12mo	SEC