Arkolith/Funds/Octahedron Capital Management L.P.

Octahedron Capital Management L.P.

CIK 1891904
Holdings as of Mar 31, 2026·disclosed May 15, 2026·~45-day 13F lag·13F-HR
Active Filer

Octahedron Capital Management L.P. holds a focused book of 18 stocks worth $137.5M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Carvana Co and trimmed Nu Holdings Ltd/cayman Isl-A. Their largest long position is Nu Holdings Ltd/cayman Isl-A at 18% of the equity book.

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Use Arkolith to show Octahedron Capital Management L.P.'s latest
holdings, largest changes, and filing provenance.
Opened
8
new positions
Added to
4
existing
Trimmed
5
reduced
Sold out
6
exited

Concentration

Top-heavy: focused book

Top 5 holdings
54%
Top 10 holdings
77%
Top 20 holdings
100%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

100% mapped to company sectors

Information Technology
71%
Financials
18%
Consumer Discretionary
9%
Communication Services
3%
Industrials
0%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
Trimmed / exited

Funds with the most overlap

Other tracked managers holding the same core names as Octahedron Capital Management L.P.

Manager / fundShared namesTheir $ in those
VANGUARD GROUP INC24 / 18$1.0T
BlackRock, Inc.24 / 18$821.1B
FMR LLC24 / 18$443.1B
STATE STREET CORP24 / 18$416.4B
GEODE CAPITAL MANAGEMENT, LLC24 / 18$254.1B
JPMORGAN CHASE & CO24 / 18$183.9B
MORGAN STANLEY24 / 18$183.2B
PRICE T ROWE ASSOCIATES INC /MD/24 / 18$162.4B

Ranked by how many of Octahedron Capital Management L.P.'s top 18 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

18 positions
#SecurityValueShares% PortLast moveHistory
1Nu Hldgs Ltd
ORD SHS CL A
$24.2M1.68M
17.6%
−2.4%
Reduced · −42K sh
2Alphabet Inc
CAP STK CL A
$18.9M65.7K
13.7%
Held
3Carvana Co
CL A
$12.3M39.1K
8.9%
New
New position
4Meta Platforms Inc
CL A
$11.7M20.5K
8.5%
16×
Added · +19K sh
5Taiwan Semiconductor MFG Ltd
SPONSORED ADS
$7.8M23.0K
5.7%
−29%
Reduced · −10K sh
6Nvidia Corporation
COM
$7.5M43.0K
5.5%
−54%
Reduced · −50K sh
7Intel Corp
COM
$7.4M168.0K
5.4%
+91%
Added · +80K sh
8Rubrik Inc.
CL A
$5.4M111.0K
4.0%
+100%
Added · +55K sh
9Coherent Corp
COM
$5.4M22.7K
3.9%
New
New position
10Samsara Inc
COM CL A
$5.3M167.8K
3.9%
New
New position
11Micron Technology Inc
COM
$5.2M15.5K
3.8%
New
New position
12Snowflake Inc
COM SHS
$5.1M33.6K
3.7%
+784%
Added · +30K sh
13Shopify Inc
CL A SUB VTG SHS
$4.6M38.7K
3.3%
New
New position
14Servicenow Inc
COM
$4.5M43.5K
3.3%
−19%
Reduced · −10K sh
15Mongodb Inc
CL A
$4.5M18.3K
3.3%
New
New position
16Lumentum Hldgs Inc
COM
$3.8M5.4K
2.8%
−44%
Reduced · −4K sh
17Onto Innovation Inc
COM
$2.2M10.5K
1.6%
New
New position
18Axt Inc
COM
$1.7M29.0K
1.2%
New
New position
Showing all 18 positions

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q1 2026Mar 31, 2026May 15, 202618$137.5M13F-HR
Q4 2025Dec 31, 2025Feb 17, 202616$147.0M13F-HR
Q3 2025Sep 30, 2025Nov 12, 202523$175.9M13F-HR
Q2 2025Jun 30, 2025Aug 11, 202522$132.5M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.