TCG Crossover Management, LLC

CIK 1839948 · View on SEC EDGAR ↗

Portfolio value
$4.2B
#915 of 9,443 by 13F value · top 9.7%
Positions
54
As of
June 30, 2026

Portfolio value QoQ: +19.0% 13F does not disclose cash

Top 10 holdings weight
57.45%
Top 25 holdings weight
85.79%
Positions above 1%
26
Effective number of positions
16.2

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 12.41% Est. buys $475,122,092 · sells $492,418,484

Median holding: 3.0 quarters Tracked Q4 2024–Q2 2026 · 64.3% still held

New positions
12
Increased
2
Decreased
9
Closed
7
On this page

Performance vs S&P 500

Tracked Q4 2024–Q2 2026
+256.8%
S&P 500 total return (same window)
+28.1%
Excess return
+228.7%

Annualized: +134.0% · S&P 500: +18.0%

Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.

Priceable coverage: 97.8% · Options excluded: 0.0%

Sector breakdown

Healthcare
96.5%
Other/Unmapped
3.5%

Full portfolio 54 positions

Type Streak 8Q trend
ABVX Abivax SA - American Depositary Shares $800,603,959 19.24% 6,007,834 $78,935,144 Down ×2
TNGX Tango Therapeutics, Inc. - Common Stock $283,878,343 6.82% 9,081,201 $63,568,338 Down ×2
CGON CG Oncology, Inc. - Common stock $260,768,136 6.27% 3,670,206 $12,368,594
COGT Cogent Biosciences, Inc. - Common Stock $187,866,673 4.52% 4,854,436 $-2,539,277 Down ×4
IMVT Immunovant, Inc. - Common Stock $171,766,278 4.13% 4,457,988 $61,029,856
SYRE Spyre Therapeutics, Inc. - Common Stock $168,733,670 4.06% 1,900,582 $72,868,314
DNTH Dianthus Therapeutics, Inc. - Common Stock $163,437,308 3.93% 1,676,624 $22,735,022
MIRM Mirum Pharmaceuticals, Inc. - common stock $124,334,076 2.99% 1,062,049 $26,221,989
ZLAB Zai Lab Limited - American Depositary Shares $116,614,913 2.80% 6,137,627 Up ×1
AMLX Amylyx Pharmaceuticals, Inc. - Common Stock $112,138,864 2.70% 6,243,812 $25,349,877
GLUE Monte Rosa Therapeutics, Inc. - Common Stock $111,856,054 2.69% 4,622,151 $35,821,670
BCRX BioCryst Pharmaceuticals, Inc. - Common Stock $110,209,680 2.65% 11,020,968 $5,290,065
VOR Vor Biopharma Inc. - Common Stock $104,441,366 2.51% 5,673,078 $7,942,314
TYRA Tyra Biosciences, Inc. - Common Stock $103,772,421 2.49% 3,248,980 $-20,663,513
DYN Dyne Therapeutics, Inc. - Common Stock $102,502,348 2.46% 4,615,144 $18,829,787
IRON Disc Medicine, Inc. - Common Stock $98,143,787 2.36% 1,341,862 $12,345,131
RLAY Relay Therapeutics, Inc. - Common Stock $79,954,491 1.92% 4,273,356 $37,434,599
SVRA Savara, Inc. - Common Stock $76,151,183 1.83% 12,362,205 $8,653,544
AURA Aura Biosciences, Inc. - Common Stock $67,686,664 1.63% 9,533,333 Up ×1
RVMD Revolution Medicines, Inc. - Common Stock $63,843,565 1.53% 340,899 $7,781,566 Down ×1
Unknown issuer (CUSIP: 337185102) $58,253,516 1.40% 2,895,304 Up ×1
KOD Kodiak Sciences Inc - Common Stock $56,318,161 1.35% 1,445,538 $1,214,253
AVTX Avalo Therapeutics, Inc. - Common Stock $55,756,378 1.34% 3,017,120 $44,732,320 Up ×2
LBRX LB Pharmaceuticals Inc - Common Stock $46,972,446 1.13% 1,447,310 $1,692,835 Down ×1
IPSC Century Therapeutics, Inc. - Common Stock $43,401,690 1.04% 17,754,430 $4,380,116
TECX Tectonic Therapeutic, Inc. - Common Stock $41,418,128 1.00% 1,204,891 $4,174,947
XNCR Xencor, Inc. - Common Stock $39,479,422 0.95% 2,452,138 $9,906,638
SRZN Surrozen, Inc. - Common Stock $38,226,971 0.92% 1,473,101 $-4,684,461
EDIT Editas Medicine, Inc. - Common Stock $36,000,000 0.87% 11,111,111 Up ×1
MBX MBX Biosciences, Inc. - Common Stock $35,880,000 0.86% 650,000 $16,477,500
PHVS Pharvaris N.V. - Ordinary Shares $34,864,559 0.84% 1,008,229 Up ×1
SLN Silence Therapeutics Plc - American Depository Share $33,308,489 0.80% 3,033,560 $17,321,628
IFRX InflaRx N.V. - Common Stock $32,480,000 0.78% 14,500,000 Up ×1
ALT Altimmune, Inc. - Common Stock $30,400,000 0.73% 10,000,000 Up ×1
JANX Janux Therapeutics, Inc. - Common Stock $27,488,517 0.66% 1,789,617 $2,612,841
CATX $26,992,083 0.65% 7,915,567 $-6,015,831
AGMB AgomAb Therapeutics NV - ADRs representing one common share. $26,650,964 0.64% 2,053,233 $5,112,550
BHVN Biohaven Ltd. Common Shares $26,485,686 0.64% 1,779,952 $-12,695,256 Down ×1
AKTS Aktis Oncology, Inc. - Common stock $22,450,129 0.54% 696,560 Up ×1
ALEC Alector, Inc. - Common Stock $20,100,000 0.48% 10,000,000 $-1,400,000
FBRX Forte Biosciences, Inc. - Common Stock $19,550,000 0.47% 920,000 Up ×1
MNPR Monopar Therapeutics Inc. - Common Stock $18,826,047 0.45% 203,327 $11,588,124 Up ×1
OCUL Ocular Therapeutix, Inc. - Common Stock $16,180,925 0.39% 1,647,752 $2,224,466
ADCT ADC Therapeutics SA Common Shares $12,187,487 0.29% 11,390,175 $-30,525,669
ALXO ALX Oncology Holdings Inc. - Common Stock $11,706,858 0.28% 5,655,487 $-14,381,899 Down ×1
TRDA Entrada Therapeutics, Inc. - Common Stock $7,803,293 0.19% 1,060,230 $-21,064,957 Down ×1
CGEM Cullinan Therapeutics, Inc. - Common Stock $7,407,573 0.18% 406,786 $1,627,144
ARVN Arvinas, Inc. - Common Stock $5,875,984 0.14% 707,098 $-19,431,103 Down ×2
KRRO Korro Bio, Inc. - Common Stock $5,486,847 0.13% 416,301 $774,320
Unknown issuer (CUSIP: G75226103) $5,350,000 0.13% 500,000 Up ×1
LONA LeonaBio, Inc. - Common Stock $4,267,818 0.10% 464,398 $-398,778
Unknown issuer (CUSIP: G50765109) $2,272,000 0.05% 200,000 Up ×1
CNTX Context Therapeutics Inc. - Common Stock $1,485,945 0.04% 2,682,696 $-5,542,719
EIKN Eikon Therapeutics, Inc. - Common Stock $494,621 0.01% 37,902 Up ×1

Biggest new bets

New positions opened this quarter, largest first.

Security Value Shares % of portfolio
ZLAB $116,614,913 6,137,627 2.80%
AURA $67,686,664 9,533,333 1.63%
Unknown issuer (CUSIP: 337185102) $58,253,516 2,895,304 1.40%
EDIT $36,000,000 11,111,111 0.87%
PHVS $34,864,559 1,008,229 0.84%
IFRX $32,480,000 14,500,000 0.78%
ALT $30,400,000 10,000,000 0.73%
AKTS $22,450,129 696,560 0.54%
FBRX $19,550,000 920,000 0.47%
Unknown issuer (CUSIP: G75226103) $5,350,000 500,000 0.13%
Unknown issuer (CUSIP: G50765109) $2,272,000 200,000 0.05%
EIKN $494,621 37,902 0.01%

Top movers (QoQ)

Security Action Shares Δ Value Δ
ABVX Trimmed -473K +$78.9M
SYRE Price move only +0 +$72.9M
TNGX Trimmed -1.4M +$63.6M
IMVT Price move only +0 +$61.0M
RLAY Price move only +0 +$37.4M
GLUE Price move only +0 +$35.8M
ADCT Price move only +0 -$30.5M
MIRM Price move only +0 +$26.2M
AMLX Price move only +0 +$25.3M
DNTH Price move only +0 +$22.7M

1 position hidden (data completeness check)

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
CNTA June 30, 2026 4,286,480 $170,258,986 No longer tracked
RAPT March 31, 2026 2,582,408 $87,466,159 No longer tracked
EYPT March 31, 2026 3,572,335 $65,266,560 -53.8%
TRML Dec. 31, 2025 1,311,783 $62,742,581 No longer tracked
CDTX Sept. 30, 2025 1,005,901 $48,997,438 No longer tracked
FULC June 30, 2026 5,250,000 $40,267,500 7.2%
MLYS June 30, 2025 2,470,265 $39,227,808 102.0%
AGIO March 31, 2026 1,181,841 $32,169,712 4.7%
IRON Dec. 31, 2025 465,257 $30,744,183 1.8%
ATXS Dec. 31, 2025 2,761,861 $20,106,348 No longer tracked
SLNO Sept. 30, 2025 186,250 $15,604,025 No longer tracked
LQDA June 30, 2026 403,048 $15,211,032 -7.4%
CMPS June 30, 2025 3,858,000 $11,033,880 397.9%
THRD Sept. 30, 2025 1,915,424 $10,400,752 No longer tracked
ELVN Sept. 30, 2025 498,000 $9,989,880 188.1%
KROS March 31, 2025 550,000 $8,706,500 6.6%
ADVM Dec. 31, 2025 1,668,174 $7,556,828 No longer tracked
URGN June 30, 2026 405,365 $7,288,463 34.6%
MAZE March 31, 2026 173,816 $7,201,197 -0.3%
NKTR Sept. 30, 2025 266,666 $6,890,649 33.4%
GPCR June 30, 2026 140,411 $6,767,810 0.0%
AVTE June 30, 2025 2,240,809 $5,624,431 No longer tracked
PEPG Dec. 31, 2025 1,200,000 $5,544,000 -55.5%
KURA Sept. 30, 2025 735,184 $4,242,012 43.8%
VTYX March 31, 2026 316,195 $2,855,241 No longer tracked
UPB June 30, 2026 181,063 $1,629,567 1.6%
VTGN June 30, 2026 2,676,580 $1,529,665 5.2%
JBIO Sept. 30, 2025 64,023 $639,590 168.8%
CABA Sept. 30, 2025 86,795 $131,928 37.0%