TCG Crossover GP I, LLC

13D and 13G Filings

13D/G filings: 13G on 11 securities
CIK: 0001839947
All SEC filings: View on sec.gov

Issuer	Symbol	CUSIP	% of Class	Shares	Form	Filed
Vistagen Therapeutics, Inc. 13G/A Amendment 2 VTGN · 92840H400	VTGN	92840H400	6.7%	2,960,404	13G/A Amendment 2	8/14/2026 Event 6/30/2026
TCG Crossover GP I, LLC			1.8%	740,101
TCG Crossover Fund I, L.P.			1.8%	740,101
TCG Crossover GP II, LLC			5.1%	2,220,303
TCG Crossover Fund II, L.P.			5.1%	2,220,303
Chen Yu			6.7%	2,960,404
Abivax SA 13G/A Amendment 2 ABVX · 00370M103	ABVX	00370M103	7.0%	6,007,834	13G/A Amendment 2	8/14/2026 Event 6/30/2026
TCG Crossover GP I, LLC			5.7%	4,924,377
TCG Crossover Fund I, L.P.			5.7%	4,924,377
TCG Crossover GP II, LLC			1.3%	1,083,457
TCG Crossover Fund II, L.P.			1.3%	1,083,457
Chen Yu			7.0%	6,007,834
Entrada Therapeutics, Inc. 13G/A Amendment 1 TRDA · 29384C108	TRDA	29384C108	2.7%	1,060,230	13G/A Amendment 1	8/14/2026 Event 6/30/2026
TCG Crossover GP I, LLC			2.7%	1,060,230
TCG Crossover Fund I, L.P.			2.7%	1,060,230
Chen Yu			2.7%	1,060,230
Savara Inc. 13G/A Amendment 1 SVRA · 805111101	SVRA	805111101	6.1%	12,362,205	13G/A Amendment 1	2/17/2026 Event 12/31/2025
TCG Crossover GP I, LLC			6.1%	12,362,205
TCG Crossover Fund I, L.P.			6.1%	12,362,205
Chen Yu			6.1%	12,362,205
Entrada Therapeutics, Inc. 13G TRDA · 29384C108	TRDA	29384C108	5.0%	1,917,344	13G	11/25/2025 Event 11/19/2025
TCG Crossover GP I, LLC			5.0%	1,917,344
TCG Crossover Fund I, L.P.			5.0%	1,917,344
Chen Yu			5.0%	1,917,344
Upstream Bio, Inc. 13G/A Amendment 1 UPB · 91678A107	UPB	91678A107	3.9%	2,117,103	13G/A Amendment 1	11/14/2025 Event 9/30/2025
TCG Crossover GP I, LLC			3.9%	2,117,103
TCG Crossover Fund I, L.P.			3.9%	2,117,103
Chen Yu			3.9%	2,117,103
Cogent Biosciences, Inc. 13G/A Amendment 4 COGT · 19240Q201	COGT	19240Q201	4.8%	6,798,162	13G/A Amendment 4	11/14/2025 Event 9/30/2025
TCG Crossover GP I, LLC			4.8%	6,798,162
TCG Crossover Fund I, L.P.			4.8%	6,798,162
Chen Yu			4.8%	6,798,162
Abivax SA 13G/A Amendment 1 ABVX · 00370M103	ABVX	00370M103	9.1%	7,111,596	13G/A Amendment 1	11/14/2025 Event 9/30/2025
TCG Crossover GP I, LLC			8.3%	6,456,596
TCG Crossover Fund I, L.P.			8.3%	6,456,596
TCG Crossover GP II, LLC			0.8%	655,000
TCG Crossover Fund II, L.P.			0.8%	655,000
Chen Yu			9.1%	7,111,596
COMPASS Pathways plc 13G/A Amendment 1 CMPS · 20451W101	CMPS	20451W101	3.9%	3,858,000	13G/A Amendment 1	8/14/2025 Event 6/30/2025
TCG Crossover GP I, LLC			1.0%	964,500
TCG Crossover Fund I, L.P.			1.0%	964,500
TCG Crossover GP II, LLC			2.9%	2,893,500
TCG Crossover Fund II, L.P.			2.9%	2,893,500
Chen Yu			3.9%	3,858,000
Jade Biosciences, Inc. 13G/A Amendment 1 JBIO · 008064206	JBIO	008064206	0.2%	64,023	13G/A Amendment 1	5/15/2025 Event 4/28/2025
TCG Crossover GP I, LLC			0.2%	64,023
TCG Crossover Fund I, L.P.			0.2%	64,023
Chen Yu			0.2%	64,023
CG Oncology, Inc. 13G/A Amendment 1 CGON · 156944100	CGON	156944100	4.8%	3,670,206	13G/A Amendment 1	5/15/2025 Event 3/31/2025
TCG Crossover GP I, LLC			4.8%	3,670,206
TCG Crossover Fund I, L.P.			4.8%	3,670,206
Chen Yu			4.8%	3,670,206
Tyra Biosciences, Inc. 13G TYRA · 90240B106	TYRA	90240B106	5.7%	2,898,103	13G	3/6/2025 Event 2/27/2025
TCG Crossover GP I, LLC			5.7%	2,898,103
TCG Crossover Fund I, L.P.			5.7%	2,898,103
Chen Yu			5.7%	2,898,103
AN2 Therapeutics, Inc. 13G/A Amendment 3 ANTX · 037326105	ANTX	037326105	0%	0	13G/A Amendment 3	2/14/2025 Event 12/31/2024
TCG Crossover GP I, LLC			0%	0
TCG Crossover Fund I, L.P.			0%	0
Chen Yu			0%	0
Upstream Bio, Inc. 13G UPB · 91678A107	UPB	91678A107	5.2%	2,801,763	13G	2/14/2025 Event 12/31/2024
TCG Crossover GP I, LLC			5.2%	2,801,763
TCG Crossover Fund I, L.P.			5.2%	2,801,763
Chen Yu			5.2%	2,801,763

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.