Octahedron Capital Management L.P.
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 12, 2025), Octahedron Capital Management L.P. reported 23 stock positions worth $175.9 million. Its top holding was Nu Holdings Ltd./Cayman Isl-A (NU) at 15.7% of the portfolio, followed by Uber Technologies (UBER, 9.5%) and Alphabet Class A (GOOGL, 9.1%). Compared with Q2 2025, it opened 5 new positions, sold out of 4, added to 10 and reduced 6. The biggest buy was Monday.com (MNDY, shares +416%) and the biggest sale Mongodb (MDB, shares −68%).
- Most Recent 13F
- Q2 2026
- Location
- BURLINGAME, CA
- CIK
- 0001891904
- Portfolio Value
- $175.9M (Q3 2025)
- SEC Filing
- 0001891904-25-000011 ↗ filed Nov 12, 2025
Holdings Value
Holdings 23 stocks · $175.9M
| NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD | 15.71% | 1,726,000 | $27.6M | Add +7.3% |
| UBER Uber Technologies Inc. | 9.52% | 171,000 | $16.8M | Add +55.5% |
| GOOGL Alphabet Inc. Class A | 9.08% | 65,700 | $16.0M | Reduce -35.4% |
| HOOD Robinhood Markets Inc. Class A | 9.07% | 111,400 | $16.0M | Reduce -0.1% |
| NVDA Nvidia Corp. | 7.00% | 66,000 | $12.3M | Add +37.5% |
| MNDY Monday.com Ltd. | 6.81% | 61,900 | $12.0M | Add +415.8% |
| ASML ASML Holding NV-NY Reg SHS | 5.72% | 10,400 | $10.1M | Add +30.0% |
| TSM Taiwan Semiconductor-SP ADR | 5.16% | 32,500 | $9.1M | No change |
| CVNA Carvana Co. | 4.63% | 21,600 | $8.1M | Add +89.5% |
| AMZN Amazon.com Inc. | 4.14% | 33,200 | $7.3M | Reduce -33.2% |
| YMM Full Truck Alliance -SPN ADR | 3.33% | 452,000 | $5.9M | Reduce -6.2% |
| RBRK Rubrik Inc. Class A | 3.03% | 64,800 | $5.3M | Add +764.0% |
| MDB Mongodb Inc. | 2.80% | 15,850 | $4.9M | Reduce -68.4% |
| INTC Intel Corp. | 2.64% | 138,500 | $4.6M | Add +326.1% |
| V Visa Inc. Class A | 2.44% | 12,550 | $4.3M | New |
| CHYM Chime Financial Inc. Class A | 2.29% | 200,000 | $4.0M | Add +100.0% |
| NOW ServiceNow Inc. | 2.22% | 4,250 | $3.9M | New |
| ONTO Onto Innovation Inc. | 1.10% | 15,000 | $1.9M | New |
| COHR Coherent Corp. | 1.04% | 17,000 | $1.8M | New |
| CFLT Confluent Inc. Class A | 0.92% | 81,700 | $1.6M | Reduce -41.9% |
| AVGO Broadcom Inc. | 0.48% | 2,550 | $841K | No change |
| SNOW Snowflake Inc. | 0.44% | 3,410 | $769K | Add +3.0% |
| COIN Coinbase Global Inc. Class A | 0.43% | 2,250 | $759K | New |
Portfolio Sells Q2 2025 → Q3 2025
| MDB Mongodb Inc. | Reduce -68.4% | 2.80% | −5.15 |
| GOOGL Alphabet Inc. Class A | Reduce -35.4% | 9.08% | −4.45 |
| AMZN Amazon.com Inc. | Reduce -33.2% | 4.14% | −4.09 |
| GTLB Gitlab Inc. Class A | Sold out | 0.00% | −2.79 |
| CFLT Confluent Inc. Class A | Reduce -41.9% | 0.92% | −1.72 |
| YMM Full Truck Alliance -SPN ADR | Reduce -6.2% | 3.33% | −0.97 |
| LRCX Lam Research Corp. | Sold out | 0.00% | −0.59 |
| SHOP Shopify Inc. Class A | Sold out | 0.00% | −0.55 |
| IOT Samsara Inc. Class A | Sold out | 0.00% | −0.51 |
| HOOD Robinhood Markets Inc. Class A | Reduce -0.1% | 9.07% | +1.18 |
Portfolio Buys Q2 2025 → Q3 2025
| MNDY Monday.com Ltd. | Add +415.8% | 6.81% | +3.97 |
| RBRK Rubrik Inc. Class A | Add +764.0% | 3.03% | +2.52 |
| V Visa Inc. Class A | New | 2.44% | +2.44 |
| NOW ServiceNow Inc. | New | 2.22% | +2.22 |
| INTC Intel Corp. | Add +326.1% | 2.64% | +2.09 |
| UBER Uber Technologies Inc. | Add +55.5% | 9.52% | +1.77 |
| CVNA Carvana Co. | Add +89.5% | 4.63% | +1.73 |
| NVDA Nvidia Corp. | Add +37.5% | 7.00% | +1.27 |
| ONTO Onto Innovation Inc. | New | 1.10% | +1.10 |
| COHR Coherent Corp. | New | 1.04% | +1.04 |
| ASML ASML Holding NV-NY Reg SHS | Add +30.0% | 5.72% | +0.88 |
| COIN Coinbase Global Inc. Class A | New | 0.43% | +0.43 |
| SNOW Snowflake Inc. | Add +3.0% | 0.44% | −0.12 |
| CHYM Chime Financial Inc. Class A | Add +100.0% | 2.29% | −0.31 |
| NU Nu Holdings Ltd./Cayman Isl-A | Add +7.3% | 15.71% | −0.95 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 15 | $195.3M | NU, GOOGL, CVNA, INTC, MU |
| Q1 2026 | 18 | $137.5M | NU, GOOGL, CVNA, META, TSM |
| Q4 2025 | 16 | $147.0M | NU, GOOGL, NVDA, AMZN, TSM |
| Q3 2025 | 23 | $175.9M | NU, UBER, GOOGL, HOOD, NVDA |
| Q2 2025 | 22 | $132.5M | NU, GOOGL, AMZN, MDB, HOOD |
| Q1 2025 | 18 | $112.4M | UBER, GOOGL, MDB, NU, CVNA |
| Q4 2024 | 20 | $105.3M | UBER, NU, GOOGL, CPNG, MDB |
| Q3 2024 | 17 | $89.9M | NU, UBER, SNOW, AMZN, RBRK |
| Q2 2024 | 19 | $99.7M | GOOGL, NU, SNOW, AMZN, CPNG |
| Q1 2024Amended | 20 | $68.2M | GOOGL, NU, AMZN, XYZ, CPNG |