Casdin Capital, LLC
CIK: 0001534261Latest portfolio: $1.6B · Q4 2025
Holdings
38
Total Value
$1.6B
New Positions
7
Closed Positions
1
Top Holdings
View All 38 Holdings →| # | Stock | Shares | Value | % Portfolio | Change | Type |
|---|---|---|---|---|---|---|
| 1 | WGSGENEDX HOLDINGS CORP | 3,007,164 | $391.1M | 24.29% | — | |
| 2 | RVMDREVOLUTION MEDICINES INC | 2,577,333 | $205.3M | 12.75% | -70,000 | |
| 3 | BLFSBIOLIFE SOLUTIONS INC | 5,957,165 | $144.0M | 8.95% | -750,000 | |
| 4 | FLBSTANDARD BIOTOOLS INC | 88,783,856 | $113.6M | 7.06% | +11.2M | |
| 5 | RLAYRELAY THERAPEUTICS INC | 13,003,574 | $110.0M | 6.83% | +1.7M | |
| 6 | GPCRSTRUCTURE THERAPEUTICS INC | 1,175,000 | $81.7M | 5.08% | -380,000 | |
| 7 | ILMNILLUMINA INC | 600,000 | $78.7M | 4.89% | +75K | |
| 8 | RNAAVIDITY BIOSCIENCES INC | 1,000,000 | $72.1M | 4.48% | -780,000 | |
| 9 | BEAMBEAM THERAPEUTICS INC | 1,600,000 | $44.4M | 2.75% | — | |
| 10 | GHGUARDANT HEALTH INC | 380,000 | $38.8M | 2.41% | +280K | |
| 11 | MAZEMAZE THERAPEUTICS INC | 758,857 | $31.4M | 1.95% | — | |
| 12 | DNLIDENALI THERAPEUTICS INC | 1,840,000 | $30.4M | 1.89% | +950K | |
| 13 | ALNYALNYLAM PHARMACEUTICALS INC | 75,000 | $29.8M | 1.85% | +20K | |
| 14 | NGNENEUROGENE INC | 1,295,361 | $26.7M | 1.66% | — | |
| 15 | TXG10X GENOMICS INC | 1,400,000 | $22.8M | 1.42% | NEW | |
| 16 | SPRYARS PHARMACEUTICALS INC | 1,600,000 | $18.6M | 1.16% | — | |
| 17 | TEMTEMPUS AI INC | 294,127 | $17.4M | 1.08% | — | |
| 18 | UNHUNITEDHEALTH GROUP INC | 50,000 | $16.5M | 1.03% | +25K | |
| 19 | SEPNSEPTERNA INC | 553,268 | $15.4M | 0.96% | — | |
| 20 | HIMSHIMS & HERS HEALTH INC | 385,000 | $12.5M | 0.78% | +155K | |
| 21 | VCYTVERACYTE INC | 276,308 | $11.6M | 0.72% | — | |
| 22 | DC4DEXCOM INC | 175,000 | $11.6M | 0.72% | NEW | |
| 23 | SRRKSCHOLAR ROCK HLDG CORP | 260,000 | $11.5M | 0.71% | NEW | |
| 24 | CITHE CIGNA GROUP | 40,000 | $11.0M | 0.68% | NEW | |
| 25 | PRMEPRIME MEDICINE INC | 3,167,175 | $11.0M | 0.68% | — |
Quarterly Changes
Closed Positions
- EXASCLOSED$4.9B
Sector Breakdown
Healthcare0.0% ($3.911112052841441e+158T)
Unknown0.0% ($11.4T)
Filing History
| Quarter | Filing Date | Portfolio Value | Holdings |
|---|---|---|---|
| Q4 2025 | Feb 17, 2026 | $1.6B | 38 |
| Q3 2025 | Nov 14, 2025 | $1.2T | 32 |
| Q2 2025 | Aug 14, 2025 | $1.1T | 33 |
| Q1 2025 | May 15, 2025 | $1.2T | 44 |
| Q4 2024 | Feb 14, 2025 | $1.5T | 39 |
| Q3 2024 | Nov 14, 2024 | $1500.0T | 35 |
| Q2 2024 | Aug 14, 2024 | $1304.6T | 38 |
| Q1 2024 | May 15, 2024 | $1345.2T | 37 |
| Q4 2023 | Feb 14, 2024 | $1018.7T | 38 |
| Q3 2023 | Nov 14, 2023 | $903.5T | 40 |
| Q2 2023 | Aug 14, 2023 | $1144.3T | 41 |
| Q1 2023 | May 15, 2023 | $1214.0T | 41 |
| Q4 2022 | Feb 14, 2023 | $1290.7T | 46 |
| Q3 2022 | Nov 14, 2022 | $1.5T | 37 |
| Q2 2022 | Aug 15, 2022 | $1.2T | 40 |
| Q1 2022 | May 16, 2022 | $2.2T | 47 |
| Q4 2021 | Feb 14, 2022 | $3.5T | 53 |
| Q3 2021 | Nov 15, 2021 | $4.0T | 54 |
| Q2 2021 | Aug 16, 2021 | $3.9T | 54 |
| Q1 2021 | May 17, 2021 | $3.4T | 48 |
| Q4 2020 | Feb 16, 2021 | $3.4T | 52 |
| Q3 2020 | Nov 16, 2020 | $2.2T | 45 |
| Q2 2020 | Aug 14, 2020 | $1.7T | 42 |
| Q1 2020 | May 15, 2020 | $942.0B | 38 |
| Q4 2019 | Feb 14, 2020 | $1.1T | 32 |
| Q3 2019 | Nov 12, 2019 | $745.1T | 26 |
| Q2 2019 | Aug 13, 2019 | $1068.4T | 31 |
| Q1 2019 | May 15, 2019 | $910.4B | 29 |
| Q4 2018 | Feb 13, 2019 | $584.5B | 31 |
| Q3 2018 | Nov 14, 2018 | $822.8B | 36 |
| Q2 2018 | Aug 14, 2018 | $686.5B | 35 |
| Q1 2018 | May 15, 2018 | $568.6B | 31 |
| Q4 2017 | Feb 14, 2018 | $410.6B | 27 |
| Q3 2017 | Nov 14, 2017 | $354.2B | 26 |
| Q2 2017 | Aug 14, 2017 | $270.4B | 35 |
| Q1 2017 | May 15, 2017 | $169.5B | 29 |
| Q4 2016 | Feb 14, 2017 | $121.1B | 25 |
| Q3 2016 | Nov 14, 2016 | $123.5B | 26 |
| Q2 2016 | Aug 15, 2016 | $100.5B | 27 |
| Q1 2016 | May 9, 2016 | $87.1B | 26 |
Fund Information
Casdin Capital, LLC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $1.6B across 38 holdings. The largest position is GENEDX HOLDINGS CORP (WGS), representing 24.3% of the portfolio. Compared to the previous quarter, the fund opened 7 new positions and closed 1 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.