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Octahedron Capital Management L.P.

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13F filer, CIK 1891904, BURLINGAME, CA

Octahedron Capital Management L.P. reported $195,347,070 across 15 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14. Its ten largest share positions make up 82.91% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001891904-26-000004

Period
2026-06-30
Reported value
$195M
Holdings
15
Top 10 weight
82.91%
New
4
Sold out
7

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CVNAadded+272,900$18M
Wnew+104,500$9.66M
MSFTnew+25,000$9.33M
RBRKadded+92,000$7.39M
UBERnew+78,000$5.63M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
NVDAexited-43,000-$7.5M
COHRexited-22,700-$5.41M
INTCreduced-34,000-$4.75M
SHOPexited-38,700-$4.59M
NOWexited-43,500-$4.55M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001891904-26-000004, largest first. % of portfolio is the value over $195,347,070, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
NUNU HLDGS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 890,000 shares; 2024Q4: 1,175,000 shares; 2025Q1: 1,024,750 shares; 2025Q2: 1,608,000 shares; 2025Q3: 1,726,000 shares; 2025Q4: 1,726,000 shares; 2026Q1: 1,684,000 shares; 2026Q2: 1,803,000 shares 1,803,000$24.1M12.33%+119,000Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 14,600 shares; 2024Q4: 54,850 shares; 2025Q1: 75,000 shares; 2025Q2: 101,700 shares; 2025Q3: 65,700 shares; 2025Q4: 65,700 shares; 2026Q1: 65,700 shares; 2026Q2: 65,700 shares 65,700$23.5M12.02%0Timeline
CVNACARVANA COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 18,300 shares; 2025Q1: 39,200 shares; 2025Q2: 11,400 shares; 2025Q3: 21,600 shares; 2025Q4: not reported; 2026Q1: 39,100 shares; 2026Q2: 312,000 shares 312,000$20.5M10.51%+272,900Timeline
INTCINTEL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 80,000 shares; 2025Q1: 115,000 shares; 2025Q2: 32,500 shares; 2025Q3: 138,500 shares; 2025Q4: 88,000 shares; 2026Q1: 168,000 shares; 2026Q2: 134,000 shares 134,000$18.7M9.58%-34,000Timeline
MUMICRON TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 15,530 shares; 2026Q2: 15,700 shares 15,700$18.1M9.28%+170Timeline
RBRKRUBRIK INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 236,910 shares; 2024Q4: 35,460 shares; 2025Q1: 21,309 shares; 2025Q2: 7,500 shares; 2025Q3: 64,800 shares; 2025Q4: 55,600 shares; 2026Q1: 111,000 shares; 2026Q2: 203,000 shares 203,000$16.3M8.34%+92,000Timeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 45,400 shares; 2025Q2: 32,500 shares; 2025Q3: 32,500 shares; 2025Q4: 32,500 shares; 2026Q1: 23,000 shares; 2026Q2: 23,000 shares 23,000$11M5.62%0Timeline
SNOWSNOWFLAKE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 87,500 shares; 2024Q4: 33,200 shares; 2025Q1: 18,000 shares; 2025Q2: 3,310 shares; 2025Q3: 3,410 shares; 2025Q4: 3,800 shares; 2026Q1: 33,600 shares; 2026Q2: 42,300 shares 42,300$10.8M5.51%+8,700Timeline
WWAYFAIR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 99,500 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 104,500 shares 104,500$9.66M4.94%newTimeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 7,600 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 25,000 shares 25,000$9.33M4.77%newTimeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 10,550 shares; 2024Q4: 850 shares; 2025Q1: 1,750 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,250 shares; 2026Q1: 20,500 shares; 2026Q2: 16,300 shares 16,300$9.18M4.7%-4,200Timeline
IOTSAMSARA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 17,000 shares; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 167,779 shares; 2026Q2: 275,200 shares 275,200$8.92M4.57%+107,421Timeline
UBERUBER TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 138,000 shares; 2024Q4: 226,500 shares; 2025Q1: 185,000 shares; 2025Q2: 110,000 shares; 2025Q3: 171,000 shares; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 78,000 shares 78,000$5.63M2.88%newTimeline
ONTOONTO INNOVATION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 15,000 shares; 2025Q4: not reported; 2026Q1: 10,500 shares; 2026Q2: 13,300 shares 13,300$5.03M2.58%+2,800Timeline
DASHDOORDASH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 30,320 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 34,500 shares; 2026Q1: not reported; 2026Q2: 25,000 shares 25,000$4.61M2.36%newTimeline

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
NVDANVIDIA CORPORATION43,000$7.5Mshares
COHRCOHERENT CORP22,700$5.41Mshares
SHOPSHOPIFY INC38,700$4.59Mshares
NOWSERVICENOW INC43,500$4.55Mshares
MDBMONGODB INC18,300$4.48Mshares
LITELUMENTUM HLDGS INC5,445$3.83Mshares
AXTIAXT INC29,000$1.65Mshares

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001891904-26-000004 base2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001891904-26-000004 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001891904-26-000003 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0001891904-26-000002 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-HR 0001891904-25-000011 Quarter ended 2025-09-302025-11-12acceptance time not in the bulk data set
13F-HR 0001891904-25-000007 Quarter ended 2025-06-302025-08-11acceptance time not in the bulk data set
13F-HR 0001891904-25-000004 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-HR 0001891904-25-000003 Quarter ended 2024-12-312025-02-11acceptance time not in the bulk data set
13F-HR 0001891904-24-000007 Quarter ended 2024-09-302024-11-13acceptance time not in the bulk data set
13F-HR 0001891904-24-000004 Quarter ended 2024-06-302024-08-13acceptance time not in the bulk data set
13F-HR/A 0001891904-24-000003 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-HR 0001891904-24-000002 Quarter ended 2024-03-312024-05-10acceptance time not in the bulk data set
13F-HR 0001891904-24-000001 Quarter ended 2023-12-312024-02-13acceptance time not in the bulk data set
13F-HR/A 0001846677-23-000010 Quarter ended 2023-09-302023-11-13acceptance time not in the bulk data set
13F-HR 0001891904-23-000006 Quarter ended 2023-09-302023-11-09acceptance time not in the bulk data set
13F-HR 0001891904-23-000005 Quarter ended 2023-06-302023-08-09acceptance time not in the bulk data set
13F-HR 0001891904-23-000002 Quarter ended 2023-03-312023-05-11acceptance time not in the bulk data set
13F-HR/A 0001891904-23-000004 Quarter ended 2023-03-312023-05-11acceptance time not in the bulk data set
13F-HR 0001891904-23-000001 Quarter ended 2022-12-312023-02-13acceptance time not in the bulk data set
13F-HR 0001891904-22-000003 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0001846677-22-000007 Quarter ended 2022-06-302022-08-12acceptance time not in the bulk data set
13F-HR 0001891904-22-000002 Quarter ended 2022-03-312022-05-13acceptance time not in the bulk data set
13F-HR 0001891904-22-000001 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set