Octahedron Capital Management L.P.

CIK 1891904 · View on SEC EDGAR ↗

Portfolio value QoQ: +42.0% 13F does not disclose cash

Top 10 holdings weight82.91%

Top 25 holdings weight100.00%

Positions above 1%15

Effective number of positions12.1

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 23.5% Est. buys $63,116,700 · sells $39,116,563

Median holding: 3.0 quarters Tracked Q1 2025–Q2 2026 · 38.5% still held

New positions4

Increased7

Decreased2

Closed7

Portfolio value $195.3M #6,667 of 9,339 by 13F value · top 71.4%

Positions 15

As of June 30, 2026 Data as of Q2 2026

Performance vs S&P 500

Tracked Q1 2025–Q2 2026 +79.9%

S&P 500 total return (same window) +37.0%

Excess return +42.9%

Annualized: +60.0% · S&P 500: +28.7%

Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.

Priceable coverage: 100.0% · Options excluded: 0.4%

Sector breakdown

Technology 50.3%

Communication Services 16.7%

Retail 15.5%

Financials 12.3%

Industrials 2.9%

Consumer Discretionary 2.4%

Full portfolio 15 positions

					Streak
NU Nu Holdings Ltd. Class A Ordinary Shares	$24,088,080	12.33%	1,803,000	$-111,000	Up ×1
GOOGL Alphabet Inc. - Class A Common Stock	$23,479,209	12.02%	65,700	$4,586,517
CVNA Carvana Co. Class A Common Stock	$20,535,840	10.51%	312,000	$8,243,582	Up ×1
INTC Intel Corporation - Common Stock	$18,710,420	9.58%	134,000	$11,296,580	Down ×1
MU Micron Technology, Inc. - Common Stock	$18,122,353	9.28%	15,700	$12,875,698	Up ×1
RBRK Rubrik, Inc. Class A Common Stock	$16,296,840	8.34%	203,000	$10,861,170	Up ×2
TSM Taiwan Semiconductor Manufacturing Company Ltd.	$10,984,110	5.62%	23,000	$3,211,260
SNOW Snowflake Inc. Common Stock	$10,765,350	5.51%	42,300	$5,697,798	Up ×4
W Wayfair Inc. Class A Common Stock	$9,657,890	4.94%	104,500		Up ×1
MSFT Microsoft Corporation - Common Stock	$9,325,500	4.77%	25,000		Up ×1
META Meta Platforms, Inc. - Class A Common Stock	$9,181,627	4.70%	16,300	$-2,547,038	Down ×1
IOT Samsara Inc. Class A Common Stock	$8,924,736	4.57%	275,200	$3,607,819	Up ×1
UBER Uber Technologies, Inc. Common Stock	$5,628,480	2.88%	78,000
ONTO Onto Innovation Inc. Common Stock	$5,033,385	2.58%	13,300	$2,880,150	Up ×1
DASH DoorDash, Inc. - Common Stock	$4,613,250	2.36%	25,000
No matches

Conviction holdings

Positions increased for 3+ consecutive quarters.

Share counts are as reported in 13F filings (not split-adjusted)

Security	Value	% of portfolio	Streak
SNOW	$10,765,350	5.51%	up ×4

Biggest new bets

New positions opened this quarter, largest first.

Security	Value	Shares	% of portfolio
W	$9,657,890	104,500	4.94%
MSFT	$9,325,500	25,000	4.77%
UBER	$5,628,480	78,000	2.88%
DASH	$4,613,250	25,000	2.36%

Top movers (QoQ)

Security	Action	Shares Δ	Value Δ
MU	Bought more	+170	+$12.9M
INTC	Trimmed	-34K	+$11.3M
RBRK	Bought more	+92K	+$10.9M
CVNA	Bought more	+273K	+$8.2M
SNOW	Bought more	+9K	+$5.7M
GOOGL	Price move only	+0	+$4.6M
IOT	Bought more	+107K	+$3.6M
TSM	Price move only	+0	+$3.2M
ONTO	Bought more	+3K	+$2.9M
META	Trimmed	-4K	-$2.5M

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

Security	Quarter	Shares before	Value before	Price since exit
UBER	Dec. 31, 2025	171,000	$16,752,870	-18.4%
AMZN	March 31, 2026	72,400	$16,711,368	19.1%
HOOD	Dec. 31, 2025	111,400	$15,950,252	-15.9%
ASML	Dec. 31, 2025	10,400	$10,068,136	46.9%
CPNG	March 31, 2026	360,000	$8,492,400	-26.4%
MELI	March 31, 2026	4,200	$8,459,892	4.7%
CVNA	Dec. 31, 2025	21,600	$8,148,384
DASH	March 31, 2026	34,500	$7,813,560	19.5%
NVDA	June 30, 2026	43,000	$7,499,200	5.4%
YMM	Dec. 31, 2025	452,000	$5,862,440	-22.7%
COHR	June 30, 2026	22,700	$5,407,367	-46.9%
SE	March 31, 2026	41,000	$5,230,370	-9.9%
MDB	Dec. 31, 2025	15,850	$4,919,523	-11.6%
SHOP	June 30, 2026	38,700	$4,590,594	47.7%
NOW	June 30, 2026	43,500	$4,547,925	60.1%
MDB	June 30, 2026	18,300	$4,479,291	10.5%
V	Dec. 31, 2025	12,550	$4,284,319	16.3%
CHYM	Dec. 31, 2025	200,000	$4,034,000	17.5%
LITE	June 30, 2026	5,445	$3,826,528	-11.9%
GTLB	Sept. 30, 2025	81,900	$3,694,509	24.8%
MNDY	March 31, 2026	17,800	$2,626,568	54.1%
DDOG	June 30, 2025	26,000	$2,579,460	100.7%
ONTO	Dec. 31, 2025	15,000	$1,938,300	25.9%
COHR	Dec. 31, 2025	17,000	$1,831,240	13.4%
AXTI	June 30, 2026	29,000	$1,652,420	-27.7%
CFLT	Dec. 31, 2025	81,700	$1,617,660	No longer tracked
META	June 30, 2025	1,750	$1,008,630	-12.9%
AVGO	Dec. 31, 2025	2,550	$841,271	-7.1%
LRCX	Sept. 30, 2025	8,000	$778,720	71.8%
COIN	Dec. 31, 2025	2,250	$759,353	-27.3%
SHOP	Sept. 30, 2025	6,300	$726,705	13.5%
IOT	Sept. 30, 2025	17,000	$676,260	20.6%