Octahedron Capital Management L.P. — 13F Holdings & Portfolio
CIK 1891904 · latest 13F-HR filed 2026-05-15
Octahedron Capital Management L.P. manages $137.5M in 13F-reported U.S. long-equity assets across 18 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NU (17.60%), GOOGL (13.74%), CVNA (8.94%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 8 new positions, exited 6, added to 5, and trimmed 5.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$137.5M
Long-equity book
18
Distinct positions
2026-03-31
Filed 2026-05-15
+8 / −6 / ↑5 / ↓5
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- META PLATFORMS INC$10.9M +1321.5%
- SNOWFLAKE INC$4.2M +507.9%
- INTEL CORP$4.2M +128.3%
- RUBRIK INC.$1.2M +27.8%
- LUMENTUM HLDGS INC$251.2K +7.0%
Top Trims
- NVIDIA CORPORATION-$9.9M -56.9%
- NU HLDGS LTD-$4.7M -16.2%
- SERVICENOW INC-$3.6M -44.4%
- TAIWAN SEMICONDUCTOR MFG LTD-$2.1M -21.3%
- ALPHABET INC-$1.7M -8.1%
New Positions
- CARVANA CO$12.3M
- COHERENT CORP$5.4M
- SAMSARA INC$5.3M
- MICRON TECHNOLOGY INC$5.2M
- SHOPIFY INC$4.6M
Exited Positions
- AMAZON COM INC$16.7M
- COUPANG INC$8.5M
- MERCADOLIBRE INC$8.5M
- DOORDASH INC$7.8M
- SEA LTD$5.2M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | NU HLDGS LTD | NU | G6683N103 | $24.2M | 17.60% | 1,684,000 | SH |
| 2 | ALPHABET INC | GOOGL | 02079K305 | $18.9M | 13.74% | 65,700 | SH |
| 3 | CARVANA CO | CVNA | 146869102 | $12.3M | 8.94% | 39,100 | SH |
| 4 | META PLATFORMS INC | META | 30303M102 | $11.7M | 8.53% | 20,500 | SH |
| 5 | TAIWAN SEMICONDUCTOR MFG LTD | TSM | 874039100 | $7.8M | 5.65% | 23,000 | SH |
| 6 | NVIDIA CORPORATION | NVDA | 67066G104 | $7.5M | 5.45% | 43,000 | SH |
| 7 | INTEL CORP | INTC | 458140100 | $7.4M | 5.39% | 168,000 | SH |
| 8 | RUBRIK INC. | RBRK | 781154109 | $5.4M | 3.95% | 111,000 | SH |
| 9 | COHERENT CORP | COHR | 19247G107 | $5.4M | 3.93% | 22,700 | SH |
| 10 | SAMSARA INC | IOT | 79589L106 | $5.3M | 3.87% | 167,779 | SH |
| 11 | MICRON TECHNOLOGY INC | MU | 595112103 | $5.2M | 3.82% | 15,530 | SH |
| 12 | SNOWFLAKE INC | SNOW | 833445109 | $5.1M | 3.68% | 33,600 | SH |
| 13 | SHOPIFY INC | SHOP | 82509L107 | $4.6M | 3.34% | 38,700 | SH |
| 14 | SERVICENOW INC | NOW | 81762P102 | $4.5M | 3.31% | 43,500 | SH |
| 15 | MONGODB INC | MDB | 60937P106 | $4.5M | 3.26% | 18,300 | SH |
| 16 | LUMENTUM HLDGS INC | LITE | 55024U109 | $3.8M | 2.78% | 5,445 | SH |
| 17 | ONTO INNOVATION INC | ONTO | 683344105 | $2.2M | 1.57% | 10,500 | SH |
| 18 | AXT INC | AXTI | 00246W103 | $1.7M | 1.20% | 29,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $137.5M | 18 | 0001891904-26-000003 |
| 2025-12-31 | 2026-02-17 | $147.0M | 16 | 0001891904-26-000002 |
| 2025-09-30 | 2025-11-12 | $175.9M | 23 | 0001891904-25-000011 |