YC
Yiheng Capital Management, L.P.
13F filer · CIK 0001447228Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$291MU.S. long equity reported on 13F
Positions252 new · 1 closed
Net flow last quarter-$6.27MBuys minus sells
Top 10 positions weight62.4%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 14, 202625 positions | |||||
| $67.1M | 23.04% | 2.00% | Not reported | Q4 2015 | |
| $25.4M | 8.71% | Not reported | +101.4% | Q3 2018 | |
| $15M | 5.17% | 0.04% | +0.5% | Q4 2015 | |
| $13.5M | 4.63% | 0.01% | Not reported | Q2 2018 | |
| $13M | 4.45% | 0.95% | -47.4% | Q1 2026 | |
| $12.5M | 4.29% | 2.69% | -17.3% | Q1 2025 | |
| $12.2M | 4.20% | 16.84% | Not reported | Q2 2021 | |
| $8.06M | 2.77% | 0.24% | Not reported | Q1 2021 | |
| $7.51M | 2.58% | 0.00% | -99.6% | Q3 2021 | |
| $7.36M | 2.53% | 0.35% | +91.9% | Q3 2022 | |
| $7.27M | 2.50% | 0.08% | -13.6% | Q1 2025 | |
| $7.27M | 2.49% | Not reported | Not reported | Q4 2015 | |
| $5.65M | 1.94% | Not reported | Not reported | Q2 2021 | |
| $5.19M | 1.78% | 0.58% | New | Q2 2026 | |
| $4.54M | 1.56% | 0.15% | Not reported | Q3 2025 | |
| $4.18M | 1.43% | 0.37% | New | Q2 2026 | |
| $4.17M | 1.43% | Not reported | Not reported | Q4 2025 | |
| $3.51M | 1.21% | 0.01% | Not reported | Q1 2026 | |
| $3M | 1.03% | Not reported | +18.6% | Q4 2020 | |
| $2.9M | 0.99% | 0.21% | Not reported | Q1 2025 | |
| $2.79M | 0.96% | 0.06% | Not reported | Q3 2023 | |
| $1.15M | 0.39% | 0.97% | +282.0% | Q1 2026 | |
| $725K | 0.25% | 0.02% | Not reported | Q1 2022 | |
| $420K | 0.14% | 2.68% | Not reported | Q4 2025 | |
| $152K | 0.05% | 0.10% | 0.0% | Q1 2016 | |
| Q1 2026Reported May 15, 202624 positions | |||||
| $66.5M | 28.83% | 2.00% | Not reported | Q4 2015 | |
| $21.3M | 9.24% | 0.02% | +10.6% | Q3 2021 | |
| $17.4M | 7.53% | 0.04% | -14.5% | Q4 2015 | |
| $16.7M | 7.24% | Not reported | -35.6% | Q3 2018 | |
| $16.3M | 7.05% | 0.01% | -18.8% | Q2 2018 | |
| $14.8M | 6.43% | 16.84% | Not reported | Q2 2021 | |
| $11.4M | 4.96% | 1.81% | New | Q1 2026 | |
| $8.63M | 3.74% | Not reported | +145.5% | Q4 2015 | |
| $8.53M | 3.70% | 0.23% | Not reported | Q1 2021 | |
| $7.76M | 3.36% | 3.40% | Not reported | Q1 2025 | |
| $6.17M | 2.67% | 0.15% | Not reported | Q3 2025 | |
| $6.12M | 2.65% | 0.09% | Not reported | Q1 2025 | |
| $5M | 2.17% | Not reported | Not reported | Q2 2021 | |
| $4.39M | 1.90% | 0.01% | New | Q1 2026 | |
| $4.26M | 1.85% | Not reported | +24.8% | Q4 2025 | |
| $4.08M | 1.77% | 0.20% | Not reported | Q3 2022 | |
| $3.55M | 1.54% | 0.06% | -73.4% | Q3 2023 | |
| $2.57M | 1.11% | 0.21% | +36.0% | Q1 2025 | |
| $2.46M | 1.07% | Not reported | +116.6% | Q4 2020 | |
| $690K | 0.30% | 0.25% | New | Q1 2026 | |
| $676K | 0.29% | 2.68% | +151.0% | Q4 2025 | |
| $634K | 0.27% | 0.02% | Not reported | Q3 2025 | |
| $503K | 0.22% | 0.02% | Not reported | Q1 2022 | |
| $242K | 0.10% | 0.10% | Not reported | Q1 2016 | |
| Q4 2025Reported Feb 17, 202621 positions | |||||
| $67.4M | 13.64% | 2.00% | Not reported | Q4 2015 | |
| $28.3M | 5.72% | Not reported | -19.0% | Q3 2018 | |
| $19.7M | 3.99% | 0.05% | -12.7% | Q4 2015 | |
| $18.7M | 3.79% | 0.02% | -34.7% | Q3 2021 | |
| $18.7M | 3.79% | 0.01% | -12.8% | Q2 2018 | |
| $16.8M | 3.39% | 16.84% | Not reported | Q2 2021 | |
| $12.3M | 2.48% | 0.38% | -2.5% | Q3 2023 | |
| $9.47M | 1.92% | 0.15% | +226.1% | Q3 2025 | |
| $6.88M | 1.39% | 0.41% | -37.7% | Q1 2020 | |
| $6.5M | 1.31% | 0.21% | -58.3% | Q3 2022 | |
| $5.71M | 1.16% | 0.09% | -40.1% | Q1 2025 | |
| $4.44M | 0.90% | 3.54% | Not reported | Q1 2025 | |
| $4.41M | 0.89% | Not reported | New | Q4 2025 | |
| $3.37M | 0.68% | Not reported | Not reported | Q4 2015 | |
| $2.17M | 0.44% | 0.15% | Not reported | Q1 2025 | |
| $1.43M | 0.29% | Not reported | +282.4% | Q4 2020 | |
| $1.19M | 0.24% | 0.13% | -90.3% | Q2 2021 | |
| GBGBIOGeneration Bio Co. | $599K | 0.12% | 1.57% | Not reported | Q2 2021 |
| $586K | 0.12% | 0.02% | -69.4% | Q1 2022 | |
| $405K | 0.08% | 1.08% | New | Q4 2025 | |
| $195K | 0.04% | 0.10% | Not reported | Q1 2016 | |
| Q3 2025Reported Nov 14, 202523 positions | |||||
| $77.9M | 11.48% | 2.03% | 0.0% | Q4 2015 | |
| $39.8M | 5.88% | Not reported | -26.1% | Q3 2018 | |
| $27.7M | 4.08% | 0.03% | -12.7% | Q3 2021 | |
| $27.5M | 4.06% | 0.05% | Not reported | Q4 2015 | |
| $17.9M | 2.64% | 0.01% | -6.5% | Q2 2018 | |
| $15.3M | 2.26% | 2.76% | Not reported | Q2 2021 | |
| $14.6M | 2.15% | 16.84% | Not reported | Q2 2021 | |
| $11M | 1.62% | 0.66% | Not reported | Q1 2020 | |
| $10.8M | 1.59% | 0.61% | Not reported | Q3 2022 | |
| ATAKROAkero Therapeutics, Inc. | $9.07M | 1.34% | 0.24% | -36.3% | Q1 2021 |
| $6.94M | 1.02% | 0.17% | Not reported | Q1 2025 | |
| $6.82M | 1.01% | 0.32% | Not reported | Q4 2021 | |
| $6.79M | 1.00% | 0.23% | New | Q3 2025 | |
| $6.56M | 0.97% | 0.48% | Not reported | Q3 2023 | |
| $5.93M | 0.87% | 3.59% | Not reported | Q1 2025 | |
| $4.5M | 0.66% | 0.06% | New | Q3 2025 | |
| $4.28M | 0.63% | 0.09% | New | Q3 2025 | |
| $3.46M | 0.51% | Not reported | Not reported | Q4 2015 | |
| $2.04M | 0.30% | 0.14% | Not reported | Q1 2025 | |
| $1.68M | 0.25% | 0.07% | Not reported | Q1 2022 | |
| $873K | 0.13% | Not reported | Not reported | Q4 2020 | |
| GBGBIOGeneration Bio Co. | $646K | 0.10% | 1.57% | -90.0% | Q2 2021 |
| $299K | 0.04% | 0.09% | Not reported | Q1 2016 | |
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