Octahedron Capital Management L.P. — 13F Holdings & Portfolio

CIK 1891904 · latest 13F-HR filed 2026-08-14

Octahedron Capital Management L.P. manages $195.3M in 13F-reported U.S. long-equity assets across 15 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NU (12.33%), GOOGL (12.02%), CVNA (10.51%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 4 new positions, exited 7, added to 9, and trimmed 1.

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.

Filer Information
Address
700 AIRPORT BOULEVARD
SUITE 450
BURLINGAME, CA 94010
Phone
(858) 243-2204
Filing Manager
Octahedron Capital Management L.P.
BURLINGAME, CA
Signatory
Hab Siam
CCO, COO, & GC
Loading holdings…
AUM

$195.3M

Long-equity book

Holdings

15

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+4 / −7 / ↑9 / ↓1

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • MICRON TECHNOLOGY INC$12.9M +245.4%
  • INTEL CORP$11.3M +152.4%
  • RUBRIK INC.$10.9M +199.8%
  • CARVANA CO$8.2M +67.1%
  • SNOWFLAKE INC$5.7M +112.4%
Show all 9 →

Top Trims

  • META PLATFORMS INC-$2.5M -21.7%
Show all 1 →

New Positions

  • WAYFAIR INC$9.7M
  • MICROSOFT CORP$9.3M
  • UBER TECHNOLOGIES INC$5.6M
  • DOORDASH INC$4.6M
Show all 4 →

Exited Positions

  • NVIDIA CORPORATION$7.5M
  • COHERENT CORP$5.4M
  • SHOPIFY INC$4.6M
  • SERVICENOW INC$4.5M
  • MONGODB INC$4.5M
Show all 7 →
All Holdings

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 $24.1M 12.33% 1,803,000 SH
2 ALPHABET INC GOOGL 02079K305 $23.5M 12.02% 65,700 SH
3 CARVANA CO CVNA 146869102 $20.5M 10.51% 312,000 SH
4 INTEL CORP INTC 458140100 $18.7M 9.58% 134,000 SH
5 MICRON TECHNOLOGY INC MU 595112103 $18.1M 9.28% 15,700 SH
6 RUBRIK INC. RBRK 781154109 $16.3M 8.34% 203,000 SH
7 TAIWAN SEMICONDUCTOR MFG LTD TSM 874039100 $11.0M 5.62% 23,000 SH
8 SNOWFLAKE INC SNOW 833445109 $10.8M 5.51% 42,300 SH
9 WAYFAIR INC W 94419L101 $9.7M 4.94% 104,500 SH
10 MICROSOFT CORP MSFT 594918104 $9.3M 4.77% 25,000 SH
11 META PLATFORMS INC META 30303M102 $9.2M 4.70% 16,300 SH
12 SAMSARA INC IOT 79589L106 $8.9M 4.57% 275,200 SH
13 UBER TECHNOLOGIES INC UBER 90353T100 $5.6M 2.88% 78,000 SH
14 ONTO INNOVATION INC ONTO 683344105 $5.0M 2.58% 13,300 SH
15 DOORDASH INC DASH 25809K105 $4.6M 2.36% 25,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $195.3M 15 0001891904-26-000004
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