TCG Crossover Management, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), TCG Crossover Management, LLC reported 49 stock positions worth $3.5 billion. Its top holding was Abivax SA-ADR (ABVX) at 20.6% of the portfolio, followed by CG Oncology (CGON, 7.1%) and Tango Therapeutics (TNGX, 6.3%). Compared with Q4 2025, it opened 11 new positions, sold out of 5, added to 8 and reduced 10. The biggest buy was a new position in Biocryst Pharmaceuticals (BCRX) and the biggest sale Abivax SA-ADR (ABVX, shares −9%).

Most Recent 13F
Q2 2026
Location
PALO ALTO, CA
CIK
0001839948
Portfolio Value
$3.5B (Q1 2026)
SEC Filing
0001214659-26-006367 ↗ filed May 15, 2026

Holdings Value

0$1.0B$2.0B$3.0B$4.0B$5.0B Q1 2024: $1.3B Q1 2024 Q2 2024: $959.5M Q2 2024 Q3 2024: $1.2B Q3 2024 Q4 2024: $1.0B Q4 2024 Q1 2025: $733.1M Q1 2025 Q2 2025: $875.5M Q2 2025 Q3 2025: $2.0B Q3 2025 Q4 2025: $3.0B Q4 2025 Q1 2026: $3.5B $3.5B Q1 2026 Q2 2026: $4.2B Q2 2026

Holdings 49 stocks · $3.5B

ABVX Abivax SA-ADR 20.65% 6,481,085 $721.7M Reduce -8.9%
CGON CG Oncology Inc. 7.11% 3,670,206 $248.4M No change
TNGX Tango Therapeutics Inc. 6.30% 10,531,071 $220.3M Reduce -17.5%
COGT Cogent Biosciences Inc. 5.45% 4,946,894 $190.4M Reduce -15.7%
CNTA Centessa Pharmaceuticals Ltd. 4.87% 4,286,480 $170.3M No change
DNTH Dianthus Therapeutics Inc. 4.03% 1,676,624 $140.7M No change
TYRA Tyra Biosciences Inc. 3.56% 3,248,980 $124.4M Add +12.1%
IMVT Immunovant Inc. 3.17% 4,457,988 $110.7M Add +168.4%
BCRX Biocryst Pharmaceuticals Inc. 3.00% 11,020,968 $104.9M New
MIRM Mirum Pharmaceuticals Inc. 2.81% 1,062,049 $98.1M Add +1611.6%
VOR Vor Biopharma Inc. 2.76% 5,673,078 $96.5M New
SYRE Spyre Therapeutics Inc. 2.74% 1,900,582 $95.9M No change
AMLX Amylyx Pharmaceuticals Inc. 2.48% 6,243,812 $86.8M No change
IRON Disc Medicine Inc. 2.45% 1,341,862 $85.8M New
DYN Dyne Therapeutics Inc. 2.39% 4,615,144 $83.7M No change
GLUE Monte Rosa Therapeutics Inc. 2.18% 4,622,151 $76.0M No change
SVRA Savara Inc. 1.93% 12,362,205 $67.5M No change
RVMD Revolution Medicines Inc. 1.60% 576,473 $56.1M Add +32.1%
KOD Kodiak Sciences Inc. 1.58% 1,445,538 $55.1M No change
LBRX LB Pharmaceuticals Inc. 1.30% 1,839,489 $45.3M Add +5.4%
SRZN Surrozen Inc. 1.23% 1,473,101 $42.9M New
ADCT Adc Therapeutics SA 1.22% 11,390,175 $42.7M No change
RLAY Relay Therapeutics Inc. 1.22% 4,273,356 $42.5M Add +32.7%
FULC Fulcrum Therapeutics Inc. 1.15% 5,250,000 $40.3M No change
BHVN Biohaven Ltd. 1.12% 4,631,317 $39.2M No change
IPSC Century Therapeutics Inc. 1.12% 17,754,430 $39.0M New
TECX Tectonic Therapeutic Inc. 1.07% 1,204,891 $37.2M New
CATX Perspective Therapeutics Inc. 0.94% 7,915,567 $33.0M New
XNCR Xencor Inc. 0.85% 2,452,138 $29.6M No change
TRDA Entrada Therapeutics Inc. 0.83% 2,287,500 $28.9M Add +9.5%
ALXO Alx Oncology Holdings Inc. 0.75% 13,011,849 $26.1M New
ARVN Arvinas Inc. 0.72% 2,387,461 $25.3M Reduce -10.5%
JANX Janux Therapeutics Inc. 0.71% 1,789,617 $24.9M No change
AGMB Agomab Therapeutics NV 0.62% 2,053,233 $21.5M New
ALEC Alector Inc. 0.62% 10,000,000 $21.5M No change
MBX MBX Biosciences Inc. 0.56% 650,000 $19.4M No change
SLN Silence Therapeutics PLC-ADR 0.46% 3,033,560 $16.0M No change
LQDA Liquidia Corp. 0.44% 403,048 $15.2M Reduce -76.4%
OCUL Ocular Therapeutix Inc. 0.40% 1,647,752 $14.0M Reduce -71.3%
AVTX Avalo Therapeutics Inc. 0.32% 738,383 $11.0M Add +52.9%
URGN Urogen Pharma Ltd. 0.21% 405,365 $7.3M Reduce -43.5%
MNPR Monopar Therapeutics Inc. 0.21% 132,103 $7.2M Reduce -6.9%
CNTX Context Therapeutics Inc. 0.20% 2,682,696 $7.0M New
GPCR Structure Therapeutics Inc. 0.19% 140,411 $6.8M Reduce -84.8%
CGEM Cullinan Therapeutics Inc. 0.17% 406,786 $5.8M New
KRRO Korro Bio Inc. 0.13% 416,301 $4.7M No change
LONA Leonabio Inc. 0.13% 464,398 $4.7M No change
UPB Upstream Bio Inc. 0.05% 181,063 $1.6M Reduce -75.7%
VTGN Vistagen Therapeutics Inc. 0.04% 2,676,580 $1.5M No change

Portfolio Sells Q4 2025 → Q1 2026

ABVX Abivax SA-ADR Reduce -8.9% 20.65% −11.09
RAPT Rapt Therapeutics Inc. Sold out 0.00% −2.89
EYPT Eyepoint Inc. Sold out 0.00% −2.16
GPCR Structure Therapeutics Inc. Reduce -84.8% 0.19% −1.93
OCUL Ocular Therapeutix Inc. Reduce -71.3% 0.40% −1.91
LQDA Liquidia Corp. Reduce -76.4% 0.44% −1.52
COGT Cogent Biosciences Inc. Reduce -15.7% 5.45% −1.45
AGIO Agios Pharmaceuticals Inc. Sold out 0.00% −1.06
UPB Upstream Bio Inc. Reduce -75.7% 0.05% −0.62
URGN Urogen Pharma Ltd. Reduce -43.5% 0.21% −0.35
ARVN Arvinas Inc. Reduce -10.5% 0.72% −0.32
MAZE Maze Therapeutics Inc. Sold out 0.00% −0.24
MNPR Monopar Therapeutics Inc. Reduce -6.9% 0.21% −0.10
VTYX Ventyx Biosciences Inc. Sold out 0.00% −0.09
TNGX Tango Therapeutics Inc. Reduce -17.5% 6.30% +2.56

Portfolio Buys Q4 2025 → Q1 2026

BCRX Biocryst Pharmaceuticals Inc. New 3.00% +3.00
VOR Vor Biopharma Inc. New 2.76% +2.76
MIRM Mirum Pharmaceuticals Inc. Add +1611.6% 2.81% +2.64
IRON Disc Medicine Inc. New 2.45% +2.45
IMVT Immunovant Inc. Add +168.4% 3.17% +1.77
SRZN Surrozen Inc. New 1.23% +1.23
IPSC Century Therapeutics Inc. New 1.12% +1.12
TECX Tectonic Therapeutic Inc. New 1.07% +1.07
TYRA Tyra Biosciences Inc. Add +12.1% 3.56% +1.04
CATX Perspective Therapeutics Inc. New 0.94% +0.94
ALXO Alx Oncology Holdings Inc. New 0.75% +0.75
AGMB Agomab Therapeutics NV New 0.62% +0.62
RVMD Revolution Medicines Inc. Add +32.1% 1.60% +0.45
RLAY Relay Therapeutics Inc. Add +32.7% 1.22% +0.31
CNTX Context Therapeutics Inc. New 0.20% +0.20
CGEM Cullinan Therapeutics Inc. New 0.17% +0.17
TRDA Entrada Therapeutics Inc. Add +9.5% 0.83% +0.12
AVTX Avalo Therapeutics Inc. Add +52.9% 0.32% +0.03
LBRX LB Pharmaceuticals Inc. Add +5.4% 1.30% +0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 54$4.2BABVX, TNGX, CGON, COGT, IMVT
Q1 2026 49$3.5BABVX, CGON, TNGX, COGT, CNTA
Q4 2025 43$3.0BABVX, COGT, CGON, TNGX, CNTA
Q3 2025 40$2.0BABVX, CGON, COGT, AMLX, CNTA
Q2 2025 37$875.5MCGON, TNGX, COGT, OCUL, CDTX
Q1 2025 37$733.1MCGON, COGT, CNTA, MLYS, OCUL
Q4 2024 38$1.0BCGON, DYN, XNCR, COGT, CNTA
Q3 2024 36$1.2BCGON, DYN, COGT, ABVX, EWTX
Q2 2024 32$959.5MCGON, DYN, ABVX, SLN, COGT
Q1 2024 33$1.3BCGON, DYN, ATXS, SLN, GPCR